Package google.cloud.documentai.v1

Index

• DocumentProcessorService (interface)
• Barcode (message)
• BatchDocumentsInputConfig (message)
• BatchProcessMetadata (message)
• BatchProcessMetadata.IndividualProcessStatus (message)
• BatchProcessMetadata.State (enum)
• BatchProcessRequest (message)
• BatchProcessResponse (message)
• BoundingPoly (message)
• CommonOperationMetadata (message)
• CommonOperationMetadata.State (enum)
• CreateProcessorRequest (message)
• DeleteProcessorMetadata (message)
• DeleteProcessorRequest (message)
• DeleteProcessorVersionMetadata (message)
• DeleteProcessorVersionRequest (message)
• DeployProcessorVersionMetadata (message)
• DeployProcessorVersionRequest (message)
• DeployProcessorVersionResponse (message)
• DisableProcessorMetadata (message)
• DisableProcessorRequest (message)
• DisableProcessorResponse (message)
• Document (message)
• Document.Entity (message)
• Document.Entity.NormalizedValue (message)
• Document.EntityRelation (message)
• Document.Page (message)
• Document.Page.Block (message)
• Document.Page.DetectedBarcode (message)
• Document.Page.DetectedLanguage (message)
• Document.Page.Dimension (message)
• Document.Page.FormField (message)
• Document.Page.Image (message)
• Document.Page.ImageQualityScores (message)
• Document.Page.ImageQualityScores.DetectedDefect (message)
• Document.Page.Layout (message)
• Document.Page.Layout.Orientation (enum)
• Document.Page.Line (message)
• Document.Page.Matrix (message)
• Document.Page.Paragraph (message)
• Document.Page.Symbol (message)
• Document.Page.Table (message)
• Document.Page.Table.TableCell (message)
• Document.Page.Table.TableRow (message)
• Document.Page.Token (message)
• Document.Page.Token.DetectedBreak (message)
• Document.Page.Token.DetectedBreak.Type (enum)
• Document.Page.Token.StyleInfo (message)
• Document.Page.VisualElement (message)
• Document.PageAnchor (message)
• Document.PageAnchor.PageRef (message)
• Document.PageAnchor.PageRef.LayoutType (enum)
• Document.Provenance (message)
• Document.Provenance.OperationType (enum)
• Document.Provenance.Parent (message)
• Document.Revision (message)
• Document.Revision.HumanReview (message)
• Document.ShardInfo (message)
• Document.Style (message)
• Document.Style.FontSize (message)
• Document.TextAnchor (message)
• Document.TextAnchor.TextSegment (message)
• Document.TextChange (message)
• DocumentOutputConfig (message)
• DocumentOutputConfig.GcsOutputConfig (message)
• DocumentOutputConfig.GcsOutputConfig.ShardingConfig (message)
• DocumentSchema (message)
• DocumentSchema.EntityType (message)
• DocumentSchema.EntityType.EnumValues (message)
• DocumentSchema.EntityType.Property (message)
• DocumentSchema.EntityType.Property.OccurrenceType (enum)
• DocumentSchema.Metadata (message)
• EnableProcessorMetadata (message)
• EnableProcessorRequest (message)
• EnableProcessorResponse (message)
• EvaluateProcessorVersionMetadata (message)
• EvaluateProcessorVersionRequest (message)
• EvaluateProcessorVersionResponse (message)
• Evaluation (message)
• Evaluation.ConfidenceLevelMetrics (message)
• Evaluation.Counters (message)
• Evaluation.Metrics (message)
• Evaluation.MultiConfidenceMetrics (message)
• Evaluation.MultiConfidenceMetrics.MetricsType (enum)
• EvaluationReference (message)
• FetchProcessorTypesRequest (message)
• FetchProcessorTypesResponse (message)
• GcsDocument (message)
• GcsDocuments (message)
• GcsPrefix (message)
• GetEvaluationRequest (message)
• GetProcessorRequest (message)
• GetProcessorTypeRequest (message)
• GetProcessorVersionRequest (message)
• HumanReviewStatus (message)
• HumanReviewStatus.State (enum)
• ListEvaluationsRequest (message)
• ListEvaluationsResponse (message)
• ListProcessorTypesRequest (message)
• ListProcessorTypesResponse (message)
• ListProcessorVersionsRequest (message)
• ListProcessorVersionsResponse (message)
• ListProcessorsRequest (message)
• ListProcessorsResponse (message)
• NormalizedVertex (message)
• ProcessRequest (message)
• ProcessResponse (message)
• Processor (message)
• Processor.State (enum)
• ProcessorType (message)
• ProcessorType.LocationInfo (message)
• ProcessorVersion (message)
• ProcessorVersion.DeprecationInfo (message)
• ProcessorVersion.State (enum)
• RawDocument (message)
• ReviewDocumentOperationMetadata (message)
• ReviewDocumentRequest (message)
• ReviewDocumentRequest.Priority (enum)
• ReviewDocumentResponse (message)
• ReviewDocumentResponse.State (enum)
• SetDefaultProcessorVersionMetadata (message)
• SetDefaultProcessorVersionRequest (message)
• SetDefaultProcessorVersionResponse (message)
• TrainProcessorVersionMetadata (message)
• TrainProcessorVersionMetadata.DatasetValidation (message)
• TrainProcessorVersionRequest (message)
• TrainProcessorVersionRequest.InputData (message)
• TrainProcessorVersionResponse (message)
• UndeployProcessorVersionMetadata (message)
• UndeployProcessorVersionRequest (message)
• UndeployProcessorVersionResponse (message)
• Vertex (message)

DocumentProcessorService

Service to call Cloud DocumentAI to process documents according to the processor's definition. Processors are built using state-of-the-art Google AI such as natural language, computer vision, and translation to extract structured information from unstructured or semi-structured documents.

BatchProcessDocuments

rpc BatchProcessDocuments(BatchProcessRequest) returns (Operation) LRO endpoint to batch process many documents. The output is written to Cloud Storage as JSON in the [Document] format. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires one of the following IAM permissions on the name resource, depending on the resource type: documentai.processors.processBatch documentai.processorVersions.processBatch For more information, see the IAM documentation.

CreateProcessor

rpc CreateProcessor(CreateProcessorRequest) returns (Processor) Creates a processor from the ProcessorType provided. The processor will be at ENABLED state by default after its creation. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processors.create For more information, see the IAM documentation.

DeleteProcessor

rpc DeleteProcessor(DeleteProcessorRequest) returns (Operation) Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes all artifacts associated with this processor. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processors.delete For more information, see the IAM documentation.

DeleteProcessorVersion

rpc DeleteProcessorVersion(DeleteProcessorVersionRequest) returns (Operation) Deletes the processor version, all artifacts under the processor version will be deleted. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processorVersions.delete For more information, see the IAM documentation.

DeployProcessorVersion

rpc DeployProcessorVersion(DeployProcessorVersionRequest) returns (Operation) Deploys the processor version. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processorVersions.update For more information, see the IAM documentation.

DisableProcessor
rpc DisableProcessor(DisableProcessorRequest) returns (Operation) Disables a processor Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processors.update For more information, see the IAM documentation.

EnableProcessor
rpc EnableProcessor(EnableProcessorRequest) returns (Operation) Enables a processor Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processors.update For more information, see the IAM documentation.

EvaluateProcessorVersion

rpc EvaluateProcessorVersion(EvaluateProcessorVersionRequest) returns (Operation) Evaluates a ProcessorVersion against annotated documents, producing an Evaluation. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the processorVersion resource: documentai.evaluations.create For more information, see the IAM documentation.

FetchProcessorTypes

rpc FetchProcessorTypes(FetchProcessorTypesRequest) returns (FetchProcessorTypesResponse) Fetches processor types. Note that we don't use ListProcessorTypes here, because it isn't paginated. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processorTypes.list For more information, see the IAM documentation.

GetEvaluation

rpc GetEvaluation(GetEvaluationRequest) returns (Evaluation) Retrieves a specific evaluation. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.evaluations.get For more information, see the IAM documentation.

GetProcessor
rpc GetProcessor(GetProcessorRequest) returns (Processor) Gets a processor detail. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processors.get For more information, see the IAM documentation.

GetProcessorType

rpc GetProcessorType(GetProcessorTypeRequest) returns (ProcessorType) Gets a processor type detail. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processorTypes.get For more information, see the IAM documentation.

GetProcessorVersion

rpc GetProcessorVersion(GetProcessorVersionRequest) returns (ProcessorVersion) Gets a processor version detail. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processorVersions.get For more information, see the IAM documentation.

ListEvaluations

rpc ListEvaluations(ListEvaluationsRequest) returns (ListEvaluationsResponse) Retrieves a set of evaluations for a given processor version. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.evaluations.list For more information, see the IAM documentation.

ListProcessorTypes

rpc ListProcessorTypes(ListProcessorTypesRequest) returns (ListProcessorTypesResponse) Lists the processor types that exist. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processorTypes.list For more information, see the IAM documentation.

ListProcessorVersions

rpc ListProcessorVersions(ListProcessorVersionsRequest) returns (ListProcessorVersionsResponse) Lists all versions of a processor. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processorVersions.list For more information, see the IAM documentation.

ListProcessors

rpc ListProcessors(ListProcessorsRequest) returns (ListProcessorsResponse) Lists all processors which belong to this project. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processors.list For more information, see the IAM documentation.

ProcessDocument

rpc ProcessDocument(ProcessRequest) returns (ProcessResponse) Processes a single document. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires one of the following IAM permissions on the name resource, depending on the resource type: documentai.processors.processOnline documentai.processorVersions.processOnline For more information, see the IAM documentation.

ReviewDocument

rpc ReviewDocument(ReviewDocumentRequest) returns (Operation) Send a document for Human Review. The input document should be processed by the specified processor. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the humanReviewConfig resource: documentai.humanReviewConfigs.review For more information, see the IAM documentation.

SetDefaultProcessorVersion

rpc SetDefaultProcessorVersion(SetDefaultProcessorVersionRequest) returns (Operation) Set the default (active) version of a Processor that will be used in ProcessDocument and BatchProcessDocuments. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the processor resource: documentai.processors.update For more information, see the IAM documentation.

TrainProcessorVersion

rpc TrainProcessorVersion(TrainProcessorVersionRequest) returns (Operation) Trains a new processor version. Operation metadata is returned as TrainProcessorVersionMetadata. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the parent resource: documentai.processorVersions.create For more information, see the IAM documentation.

UndeployProcessorVersion

rpc UndeployProcessorVersion(UndeployProcessorVersionRequest) returns (Operation) Undeploys the processor version. Authorization scopes Requires the following OAuth scope: https://www.googleapis.com/auth/cloud-platform For more information, see the Authentication Overview. IAM Permissions Requires the following IAM permission on the name resource: documentai.processorVersions.update For more information, see the IAM documentation.

Barcode

Encodes the detailed information of a barcode.

Fields
format	string Format of a barcode. The supported formats are: CODE_128: Code 128 type. CODE_39: Code 39 type. CODE_93: Code 93 type. CODABAR: Codabar type. DATA_MATRIX: 2D Data Matrix type. ITF: ITF type. EAN_13: EAN-13 type. EAN_8: EAN-8 type. QR_CODE: 2D QR code type. UPC_A: UPC-A type. UPC_E: UPC-E type. PDF417: PDF417 type. AZTEC: 2D Aztec code type. DATABAR: GS1 DataBar code type.
value_format	string Value format describes the format of the value that a barcode encodes. The supported formats are: CONTACT_INFO: Contact information. EMAIL: Email address. ISBN: ISBN identifier. PHONE: Phone number. PRODUCT: Product. SMS: SMS message. TEXT: Text string. URL: URL address. WIFI: Wifi information. GEO: Geo-localization. CALENDAR_EVENT: Calendar event. DRIVER_LICENSE: Driver's license.
raw_value	string Raw value encoded in the barcode. For example: 'MEBKM:TITLE:Google;URL:https://www.google.com;;'.

BatchDocumentsInputConfig

The common config to specify a set of documents used as input.

Fields
Union field source. The source. source can be only one of the following:
gcs_prefix	GcsPrefix The set of documents that match the specified Cloud Storage gcs_prefix.
gcs_documents	GcsDocuments The set of documents individually specified on Cloud Storage.

BatchProcessMetadata

The long-running operation metadata for BatchProcessDocuments.

Fields
state	State The state of the current batch processing.
state_message	string A message providing more details about the current state of processing. For example, the error message if the operation is failed.
create_time	Timestamp The creation time of the operation.
update_time	Timestamp The last update time of the operation.
individual_process_statuses[]	IndividualProcessStatus The list of response details of each document.

IndividualProcessStatus

The status of a each individual document in the batch process.

Fields
input_gcs_source	string The source of the document, same as the input_gcs_source field in the request when the batch process started.
status	Status The status processing the document.
output_gcs_destination	string The Cloud Storage output destination (in the request as DocumentOutputConfig.GcsOutputConfig.gcs_uri) of the processed document if it was successful, otherwise empty.
human_review_status	HumanReviewStatus The status of human review on the processed document.

State

Possible states of the batch processing operation.

Enums
STATE_UNSPECIFIED	The default value. This value is used if the state is omitted.
WAITING	Request operation is waiting for scheduling.
RUNNING	Request is being processed.
SUCCEEDED	The batch processing completed successfully.
CANCELLING	The batch processing was being cancelled.
CANCELLED	The batch processing was cancelled.
FAILED	The batch processing has failed.

BatchProcessRequest

Request message for BatchProcessDocuments.

Fields
name	string Required. The resource name of Processor or ProcessorVersion. Format: projects/{project}/locations/{location}/processors/{processor}, or projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion} Authorization requires one or more of the following IAM permissions on the specified resource name: documentai.processors.processBatch documentai.processorVersions.processBatch
input_documents	BatchDocumentsInputConfig The input documents for the BatchProcessDocuments method.
document_output_config	DocumentOutputConfig The output configuration for the BatchProcessDocuments method.
skip_human_review	bool Whether Human Review feature should be skipped for this request. Default to false.

BatchProcessResponse

Response message for BatchProcessDocuments.

BoundingPoly

A bounding polygon for the detected image annotation.

Fields
vertices[]	Vertex The bounding polygon vertices.
normalized_vertices[]	NormalizedVertex The bounding polygon normalized vertices.

CommonOperationMetadata

The common metadata for long running operations.

Fields
state	State The state of the operation.
state_message	string A message providing more details about the current state of processing.
resource	string A related resource to this operation.
create_time	Timestamp The creation time of the operation.
update_time	Timestamp The last update time of the operation.

State

State of the longrunning operation.

Enums
STATE_UNSPECIFIED	Unspecified state.
RUNNING	Operation is still running.
CANCELLING	Operation is being cancelled.
SUCCEEDED	Operation succeeded.
FAILED	Operation failed.
CANCELLED	Operation is cancelled.

CreateProcessorRequest

Request message for the CreateProcessor method. Notice this request is sent to a regionalized backend service. If the ProcessorType isn't available in that region, the creation fails.

Fields
parent	string Required. The parent (project and location) under which to create the processor. Format: projects/{project}/locations/{location}
processor	Processor Required. The processor to be created, requires Processor.type and [Processor.display_name]][] to be set. Also, the Processor.kms_key_name field must be set if the processor is under CMEK. Authorization requires the following IAM permission on the specified resource processor: documentai.processors.create

DeleteProcessorMetadata

The long-running operation metadata for the DeleteProcessor method.

Fields
common_metadata	CommonOperationMetadata The basic metadata of the long-running operation.

DeleteProcessorRequest

Request message for the DeleteProcessor method.

Fields
name	string Required. The processor resource name to be deleted. Authorization requires the following IAM permission on the specified resource name: documentai.processors.delete

DeleteProcessorVersionMetadata

The long-running operation metadata for the DeleteProcessorVersion method.

Fields
common_metadata	CommonOperationMetadata The basic metadata of the long-running operation.

DeleteProcessorVersionRequest

Request message for the DeleteProcessorVersion method.

Fields
name	string Required. The processor version resource name to be deleted. Authorization requires the following IAM permission on the specified resource name: documentai.processorVersions.delete

DeployProcessorVersionMetadata

The long-running operation metadata for the DeployProcessorVersion method.

Fields
common_metadata	CommonOperationMetadata The basic metadata of the long-running operation.

DeployProcessorVersionRequest

Request message for the DeployProcessorVersion method.

Fields
name	string Required. The processor version resource name to be deployed. Authorization requires the following IAM permission on the specified resource name: documentai.processorVersions.update

DeployProcessorVersionResponse

Response message for the DeployProcessorVersion method.

DisableProcessorMetadata

The long-running operation metadata for the DisableProcessor method.

Fields
common_metadata	CommonOperationMetadata The basic metadata of the long-running operation.

DisableProcessorRequest

Request message for the DisableProcessor method.

Fields
name	string Required. The processor resource name to be disabled. Authorization requires the following IAM permission on the specified resource name: documentai.processors.update

DisableProcessorResponse

Response message for the DisableProcessor method. Intentionally empty proto for adding fields in future.

Document

Document represents the canonical document resource in Document AI. It is an interchange format that provides insights into documents and allows for collaboration between users and Document AI to iterate and optimize for quality.

Fields
mime_type	string An IANA published MIME type (also referred to as media type). For more information, see https://www.iana.org/assignments/media-types/media-types.xhtml.
text	string Optional. UTF-8 encoded text in reading order from the document.
text_styles[] (deprecated)	Style This item is deprecated! Styles for the Document.text.
pages[]	Page Visual page layout for the Document.
entities[]	Entity A list of entities detected on Document.text. For document shards, entities in this list may cross shard boundaries.
entity_relations[]	EntityRelation Placeholder. Relationship among Document.entities.
text_changes[]	TextChange Placeholder. A list of text corrections made to Document.text. This is usually used for annotating corrections to OCR mistakes. Text changes for a given revision may not overlap with each other.
shard_info	ShardInfo Information about the sharding if this document is sharded part of a larger document. If the document is not sharded, this message is not specified.
error	Status Any error that occurred while processing this document.
revisions[]	Revision Placeholder. Revision history of this document.
Union field source. Original source document from the user. source can be only one of the following:
uri	string Optional. Currently supports Google Cloud Storage URI of the form gs://bucket_name/object_name. Object versioning is not supported. For more information, refer to Google Cloud Storage Request URIs.
content	bytes Optional. Inline document content, represented as a stream of bytes. Note: As with all bytes fields, protobuffers use a pure binary representation, whereas JSON representations use base64.

Entity

An entity that could be a phrase in the text or a property that belongs to the document. It is a known entity type, such as a person, an organization, or location.

Fields
text_anchor	TextAnchor Optional. Provenance of the entity. Text anchor indexing into the Document.text.
type	string Required. Entity type from a schema e.g. Address.
mention_text	string Optional. Text value of the entity e.g. 1600 Amphitheatre Pkwy.
mention_id	string Optional. Deprecated. Use id field instead.
confidence	float Optional. Confidence of detected Schema entity. Range [0, 1].
page_anchor	PageAnchor Optional. Represents the provenance of this entity wrt. the location on the page where it was found.
id	string Optional. Canonical id. This will be a unique value in the entity list for this document.
normalized_value	NormalizedValue Optional. Normalized entity value. Absent if the extracted value could not be converted or the type (e.g. address) is not supported for certain parsers. This field is also only populated for certain supported document types.
properties[]	Entity Optional. Entities can be nested to form a hierarchical data structure representing the content in the document.
provenance	Provenance Optional. The history of this annotation.
redacted	bool Optional. Whether the entity will be redacted for de-identification purposes.

NormalizedValue

Parsed and normalized entity value.

Fields
text	string Optional. An optional field to store a normalized string. For some entity types, one of respective structured_value fields may also be populated. Also not all the types of structured_value will be normalized. For example, some processors may not generate float or integer normalized text by default. Below are sample formats mapped to structured values. Money/Currency type (money_value) is in the ISO 4217 text format. Date type (date_value) is in the ISO 8601 text format. Datetime type (datetime_value) is in the ISO 8601 text format.
Union field structured_value. An optional structured entity value. Must match entity type defined in schema if known. If this field is present, the text field could also be populated. structured_value can be only one of the following:
money_value	Money Money value. See also: https://github.com/googleapis/googleapis/blob/master/google/type/money.proto
date_value	Date Date value. Includes year, month, day. See also: https://github.com/googleapis/googleapis/blob/master/google/type/date.proto
datetime_value	DateTime DateTime value. Includes date, time, and timezone. See also: https://github.com/googleapis/googleapis/blob/master/google/type/datetime.proto
address_value	PostalAddress Postal address. See also: https://github.com/googleapis/googleapis/blob/master/google/type/postal_address.proto
boolean_value	bool Boolean value. Can be used for entities with binary values, or for checkboxes.
integer_value	int32 Integer value.
float_value	float Float value.

EntityRelation

Relationship between Entities.

Fields
subject_id	string Subject entity id.
object_id	string Object entity id.
relation	string Relationship description.

Page

A page in a Document.

Fields
page_number	int32 1-based index for current Page in a parent Document. Useful when a page is taken out of a Document for individual processing.
image	Image Rendered image for this page. This image is preprocessed to remove any skew, rotation, and distortions such that the annotation bounding boxes can be upright and axis-aligned.
transforms[]	Matrix Transformation matrices that were applied to the original document image to produce Page.image.
dimension	Dimension Physical dimension of the page.
layout	Layout Layout for the page.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
blocks[]	Block A list of visually detected text blocks on the page. A block has a set of lines (collected into paragraphs) that have a common line-spacing and orientation.
paragraphs[]	Paragraph A list of visually detected text paragraphs on the page. A collection of lines that a human would perceive as a paragraph.
lines[]	Line A list of visually detected text lines on the page. A collection of tokens that a human would perceive as a line.
tokens[]	Token A list of visually detected tokens on the page.
visual_elements[]	VisualElement A list of detected non-text visual elements e.g. checkbox, signature etc. on the page.
tables[]	Table A list of visually detected tables on the page.
form_fields[]	FormField A list of visually detected form fields on the page.
symbols[]	Symbol A list of visually detected symbols on the page.
detected_barcodes[]	DetectedBarcode A list of detected barcodes.
image_quality_scores	ImageQualityScores Image Quality Scores.
provenance (deprecated)	Provenance This item is deprecated! The history of this page.

Block

A block has a set of lines (collected into paragraphs) that have a common line-spacing and orientation.

Fields
layout	Layout Layout for Block.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
provenance (deprecated)	Provenance This item is deprecated! The history of this annotation.

DetectedBarcode

A detected barcode.

Fields
layout	Layout Layout for DetectedBarcode.
barcode	Barcode Detailed barcode information of the DetectedBarcode.

DetectedLanguage

Detected language for a structural component.

Fields
language_code	string The BCP-47 language code, such as en-US or sr-Latn. For more information, see https://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
confidence	float Confidence of detected language. Range [0, 1].

Dimension

Dimension for the page.

Fields
width	float Page width.
height	float Page height.
unit	string Dimension unit.

FormField

A form field detected on the page.

Fields
field_name	Layout Layout for the FormField name. e.g. Address, Email, Grand total, Phone number, etc.
field_value	Layout Layout for the FormField value.
name_detected_languages[]	DetectedLanguage A list of detected languages for name together with confidence.
value_detected_languages[]	DetectedLanguage A list of detected languages for value together with confidence.
value_type	string If the value is non-textual, this field represents the type. Current valid values are: blank (this indicates the field_value is normal text) unfilled_checkbox filled_checkbox
corrected_key_text	string Created for Labeling UI to export key text. If corrections were made to the text identified by the field_name.text_anchor, this field will contain the correction.
corrected_value_text	string Created for Labeling UI to export value text. If corrections were made to the text identified by the field_value.text_anchor, this field will contain the correction.
provenance	Provenance The history of this annotation.

Image

Rendered image contents for this page.

Fields
content	bytes Raw byte content of the image.
mime_type	string Encoding mime type for the image.
width	int32 Width of the image in pixels.
height	int32 Height of the image in pixels.

ImageQualityScores

Image Quality Scores for the page image

Fields
quality_score	float The overall quality score. Range [0, 1] where 1 is perfect quality.
detected_defects[]	DetectedDefect A list of detected defects.

DetectedDefect

Image Quality Defects

Fields
type	string Name of the defect type. Supported values are: quality/defect_blurry quality/defect_noisy quality/defect_dark quality/defect_faint quality/defect_text_too_small quality/defect_document_cutoff quality/defect_text_cutoff quality/defect_glare
confidence	float Confidence of detected defect. Range [0, 1] where 1 indicates strong confidence of that the defect exists.

Layout

Visual element describing a layout unit on a page.

Fields
text_anchor	TextAnchor Text anchor indexing into the Document.text.
confidence	float Confidence of the current Layout within context of the object this layout is for. e.g. confidence can be for a single token, a table, a visual element, etc. depending on context. Range [0, 1].
bounding_poly	BoundingPoly The bounding polygon for the Layout.
orientation	Orientation Detected orientation for the Layout.

Orientation

Detected human reading orientation.

Enums
ORIENTATION_UNSPECIFIED	Unspecified orientation.
PAGE_UP	Orientation is aligned with page up.
PAGE_RIGHT	Orientation is aligned with page right. Turn the head 90 degrees clockwise from upright to read.
PAGE_DOWN	Orientation is aligned with page down. Turn the head 180 degrees from upright to read.
PAGE_LEFT	Orientation is aligned with page left. Turn the head 90 degrees counterclockwise from upright to read.

Line

A collection of tokens that a human would perceive as a line. Does not cross column boundaries, can be horizontal, vertical, etc.

Fields
layout	Layout Layout for Line.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
provenance (deprecated)	Provenance This item is deprecated! The history of this annotation.

Matrix

Representation for transformation matrix, intended to be compatible and used with OpenCV format for image manipulation.

Fields
rows	int32 Number of rows in the matrix.
cols	int32 Number of columns in the matrix.
type	int32 This encodes information about what data type the matrix uses. For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list of OpenCV primitive data types, please refer to https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
data	bytes The matrix data.

Paragraph

A collection of lines that a human would perceive as a paragraph.

Fields
layout	Layout Layout for Paragraph.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
provenance (deprecated)	Provenance This item is deprecated! The history of this annotation.

Symbol

A detected symbol.

Fields
layout	Layout Layout for Symbol.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.

Table

A table representation similar to HTML table structure.

Fields
layout	Layout Layout for Table.
header_rows[]	TableRow Header rows of the table.
body_rows[]	TableRow Body rows of the table.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
provenance (deprecated)	Provenance This item is deprecated! The history of this table.

TableCell

A cell representation inside the table.

Fields
layout	Layout Layout for TableCell.
row_span	int32 How many rows this cell spans.
col_span	int32 How many columns this cell spans.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.

TableRow

A row of table cells.

Fields
cells[]	TableCell Cells that make up this row.

Token

A detected token.

Fields
layout	Layout Layout for Token.
detected_break	DetectedBreak Detected break at the end of a Token.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.
provenance (deprecated)	Provenance This item is deprecated! The history of this annotation.
style_info	StyleInfo Text style attributes.

DetectedBreak

Detected break at the end of a Token.

Fields
type	Type Detected break type.

Type

Enum to denote the type of break found.

Enums
TYPE_UNSPECIFIED	Unspecified break type.
SPACE	A single whitespace.
WIDE_SPACE	A wider whitespace.
HYPHEN	A hyphen that indicates that a token has been split across lines.

StyleInfo

Font and other text style attributes.

Fields
font_size	int32 Font size in points (1 point is ¹⁄₇₂ inches).
pixel_font_size	double Font size in pixels, equal to unrounded font_size * resolution ÷ 72.0.
letter_spacing	double Letter spacing in points.
font_type	string Name or style of the font.
bold	bool Whether the text is bold (equivalent to font_weight is at least 700).
italic	bool Whether the text is italic.
underlined	bool Whether the text is underlined.
strikeout	bool Whether the text is strikethrough.
subscript	bool Whether the text is a subscript.
superscript	bool Whether the text is a superscript.
smallcaps	bool Whether the text is in small caps.
font_weight	int32 TrueType weight on a scale 100 (thin) to 1000 (ultra-heavy). Normal is 400, bold is 700.
handwritten	bool Whether the text is handwritten.
text_color	Color Color of the text.
background_color	Color Color of the background.

VisualElement

Detected non-text visual elements e.g. checkbox, signature etc. on the page.

Fields
layout	Layout Layout for VisualElement.
type	string Type of the VisualElement.
detected_languages[]	DetectedLanguage A list of detected languages together with confidence.

PageAnchor

Referencing the visual context of the entity in the Document.pages. Page anchors can be cross-page, consist of multiple bounding polygons and optionally reference specific layout element types.

Fields
page_refs[]	PageRef One or more references to visual page elements

PageRef

Represents a weak reference to a page element within a document.

Fields
page	int64 Required. Index into the Document.pages element, for example using [Document.pages][page_refs.page] to locate the related page element. This field is skipped when its value is the default 0. See https://developers.google.com/protocol-buffers/docs/proto3#json.
layout_type	LayoutType Optional. The type of the layout element that is being referenced if any.
layout_id (deprecated)	string This item is deprecated! Optional. Deprecated. Use PageRef.bounding_poly instead.
bounding_poly	BoundingPoly Optional. Identifies the bounding polygon of a layout element on the page.
confidence	float Optional. Confidence of detected page element, if applicable. Range [0, 1].

LayoutType

The type of layout that is being referenced.

Enums
LAYOUT_TYPE_UNSPECIFIED	Layout Unspecified.
BLOCK	References a Page.blocks element.
PARAGRAPH	References a Page.paragraphs element.
LINE	References a Page.lines element.
TOKEN	References a Page.tokens element.
VISUAL_ELEMENT	References a Page.visual_elements element.
TABLE	Refrrences a Page.tables element.
FORM_FIELD	References a Page.form_fields element.

Provenance

Structure to identify provenance relationships between annotations in different revisions.

Fields
revision (deprecated)	int32 This item is deprecated! The index of the revision that produced this element.
id (deprecated)	int32 This item is deprecated! The Id of this operation. Needs to be unique within the scope of the revision.
parents[]	Parent References to the original elements that are replaced.
type	OperationType The type of provenance operation.

OperationType

If a processor or agent does an explicit operation on existing elements.

Enums
OPERATION_TYPE_UNSPECIFIED	Operation type unspecified. If no operation is specified a provenance entry is simply used to match against a parent.
ADD	Add an element.
REMOVE	Remove an element identified by parent.
UPDATE	Updates any fields within the given provenance scope of the message. It overwrites the fields rather than replacing them. Use this when you want to update a field value of an entity without also updating all the child properties.
REPLACE	Currently unused. Replace an element identified by parent.
EVAL_REQUESTED	Deprecated. Request human review for the element identified by parent. This item is deprecated!
EVAL_APPROVED	Deprecated. Element is reviewed and approved at human review, confidence will be set to 1.0. This item is deprecated!
EVAL_SKIPPED	Deprecated. Element is skipped in the validation process. This item is deprecated!

Parent

The parent element the current element is based on. Used for referencing/aligning, removal and replacement operations.

Fields
revision	int32 The index of the index into current revision's parent_ids list.
index	int32 The index of the parent item in the corresponding item list (eg. list of entities, properties within entities, etc.) in the parent revision.
id (deprecated)	int32 This item is deprecated! The id of the parent provenance.

Revision

Contains past or forward revisions of this document.

Fields
id	string Id of the revision, internally generated by doc proto storage. Unique within the context of the document.
parent[] (deprecated)	int32 This item is deprecated! The revisions that this revision is based on. This can include one or more parent (when documents are merged.) This field represents the index into the revisions field.
parent_ids[]	string The revisions that this revision is based on. Must include all the ids that have anything to do with this revision - eg. there are provenance.parent.revision fields that index into this field.
create_time	Timestamp The time that the revision was created, internally generated by doc proto storage at the time of create.
human_review	HumanReview Human Review information of this revision.
Union field source. Who/what made the change source can be only one of the following:
agent	string If the change was made by a person specify the name or id of that person.
processor	string If the annotation was made by processor identify the processor by its resource name.

HumanReview

Human Review information of the document.

Fields
state	string Human review state. e.g. requested, succeeded, rejected.
state_message	string A message providing more details about the current state of processing. For example, the rejection reason when the state is rejected.

ShardInfo

For a large document, sharding may be performed to produce several document shards. Each document shard contains this field to detail which shard it is.

Fields
shard_index	int64 The 0-based index of this shard.
shard_count	int64 Total number of shards.
text_offset	int64 The index of the first character in Document.text in the overall document global text.

Style

Annotation for common text style attributes. This adheres to CSS conventions as much as possible.

Fields
text_anchor	TextAnchor Text anchor indexing into the Document.text.
color	Color Text color.
background_color	Color Text background color.
font_weight	string Font weight. Possible values are normal, bold, bolder, and lighter. https://www.w3schools.com/cssref/pr_font_weight.asp
text_style	string Text style. Possible values are normal, italic, and oblique. https://www.w3schools.com/cssref/pr_font_font-style.asp
text_decoration	string Text decoration. Follows CSS standard. https://www.w3schools.com/cssref/pr_text_text-decoration.asp
font_size	FontSize Font size.
font_family	string Font family such as Arial, Times New Roman. https://www.w3schools.com/cssref/pr_font_font-family.asp

FontSize

Font size with unit.

Fields
size	float Font size for the text.
unit	string Unit for the font size. Follows CSS naming (in, px, pt, etc.).

TextAnchor

Text reference indexing into the Document.text.

Fields