AnnotateImageResponse

Response to an image annotation request.

JSON representation
{
  "faceAnnotations": [
    {
      object (FaceAnnotation)
    }
  ],
  "landmarkAnnotations": [
    {
      object (EntityAnnotation)
    }
  ],
  "logoAnnotations": [
    {
      object (EntityAnnotation)
    }
  ],
  "labelAnnotations": [
    {
      object (EntityAnnotation)
    }
  ],
  "localizedObjectAnnotations": [
    {
      object (LocalizedObjectAnnotation)
    }
  ],
  "textAnnotations": [
    {
      object (EntityAnnotation)
    }
  ],
  "fullTextAnnotation": {
    object (TextAnnotation)
  },
  "safeSearchAnnotation": {
    object (SafeSearchAnnotation)
  },
  "imagePropertiesAnnotation": {
    object (ImageProperties)
  },
  "cropHintsAnnotation": {
    object (CropHintsAnnotation)
  },
  "webDetection": {
    object (WebDetection)
  },
  "productSearchResults": {
    object (ProductSearchResults)
  },
  "error": {
    object (Status)
  },
  "context": {
    object (ImageAnnotationContext)
  }
}
Fields
faceAnnotations[]

object (FaceAnnotation)

If present, face detection has completed successfully.

landmarkAnnotations[]

object (EntityAnnotation)

If present, landmark detection has completed successfully.

logoAnnotations[]

object (EntityAnnotation)

If present, logo detection has completed successfully.

labelAnnotations[]

object (EntityAnnotation)

If present, label detection has completed successfully.

localizedObjectAnnotations[]

object (LocalizedObjectAnnotation)

If present, localized object detection has completed successfully. This will be sorted descending by confidence score.

textAnnotations[]

object (EntityAnnotation)

If present, text (OCR) detection has completed successfully.

fullTextAnnotation

object (TextAnnotation)

If present, text (OCR) detection or document (OCR) text detection has completed successfully. This annotation provides the structural hierarchy for the OCR detected text.

safeSearchAnnotation

object (SafeSearchAnnotation)

If present, safe-search annotation has completed successfully.

imagePropertiesAnnotation

object (ImageProperties)

If present, image properties were extracted successfully.

cropHintsAnnotation

object (CropHintsAnnotation)

If present, crop hints have completed successfully.

webDetection

object (WebDetection)

If present, web detection has completed successfully.

productSearchResults

object (ProductSearchResults)

If present, product search has completed successfully.

error

object (Status)

If set, represents the error message for the operation. Note that filled-in image annotations are guaranteed to be correct, even when error is set.

context

object (ImageAnnotationContext)

If present, contextual information is needed to understand where this image comes from.

FaceAnnotation

A face annotation object contains the results of face detection.

JSON representation
{
  "boundingPoly": {
    object (BoundingPoly)
  },
  "fdBoundingPoly": {
    object (BoundingPoly)
  },
  "landmarks": [
    {
      object (Landmark)
    }
  ],
  "rollAngle": number,
  "panAngle": number,
  "tiltAngle": number,
  "detectionConfidence": number,
  "landmarkingConfidence": number,
  "joyLikelihood": enum (Likelihood),
  "sorrowLikelihood": enum (Likelihood),
  "angerLikelihood": enum (Likelihood),
  "surpriseLikelihood": enum (Likelihood),
  "underExposedLikelihood": enum (Likelihood),
  "blurredLikelihood": enum (Likelihood),
  "headwearLikelihood": enum (Likelihood)
}
Fields
boundingPoly

object (BoundingPoly)

The bounding polygon around the face. The coordinates of the bounding box are in the original image's scale. The bounding box is computed to "frame" the face in accordance with human expectations. It is based on the landmarker results. Note that one or more x and/or y coordinates may not be generated in the BoundingPoly (the polygon will be unbounded) if only a partial face appears in the image to be annotated.

fdBoundingPoly

object (BoundingPoly)

The fdBoundingPoly bounding polygon is tighter than the boundingPoly, and encloses only the skin part of the face. Typically, it is used to eliminate the face from any image analysis that detects the "amount of skin" visible in an image. It is not based on the landmarker results, only on the initial face detection, hence the

fd

(face detection) prefix.

landmarks[]

object (Landmark)

Detected face landmarks.

rollAngle

number

Roll angle, which indicates the amount of clockwise/anti-clockwise rotation of the face relative to the image vertical about the axis perpendicular to the face. Range [-180,180].

panAngle

number

Yaw angle, which indicates the leftward/rightward angle that the face is pointing relative to the vertical plane perpendicular to the image. Range [-180,180].

tiltAngle

number

Pitch angle, which indicates the upwards/downwards angle that the face is pointing relative to the image's horizontal plane. Range [-180,180].

detectionConfidence

number

Detection confidence. Range [0, 1].

landmarkingConfidence

number

Face landmarking confidence. Range [0, 1].

joyLikelihood

enum (Likelihood)

Joy likelihood.

sorrowLikelihood

enum (Likelihood)

Sorrow likelihood.

angerLikelihood

enum (Likelihood)

Anger likelihood.

surpriseLikelihood

enum (Likelihood)

Surprise likelihood.

underExposedLikelihood

enum (Likelihood)

Under-exposed likelihood.

blurredLikelihood

enum (Likelihood)

Blurred likelihood.

headwearLikelihood

enum (Likelihood)

Headwear likelihood.

Landmark

A face-specific landmark (for example, a face feature).

JSON representation
{
  "type": enum (Type),
  "position": {
    object (Position)
  }
}
Fields
type

enum (Type)

Face landmark type.

position

object (Position)

Face landmark position.

Type

Face landmark (feature) type. Left and right are defined from the vantage of the viewer of the image without considering mirror projections typical of photos. So, LEFT_EYE, typically, is the person's right eye.

Enums
UNKNOWN_LANDMARK Unknown face landmark detected. Should not be filled.
LEFT_EYE Left eye.
RIGHT_EYE Right eye.
LEFT_OF_LEFT_EYEBROW Left of left eyebrow.
RIGHT_OF_LEFT_EYEBROW Right of left eyebrow.
LEFT_OF_RIGHT_EYEBROW Left of right eyebrow.
RIGHT_OF_RIGHT_EYEBROW Right of right eyebrow.
MIDPOINT_BETWEEN_EYES Midpoint between eyes.
NOSE_TIP Nose tip.
UPPER_LIP Upper lip.
LOWER_LIP Lower lip.
MOUTH_LEFT Mouth left.
MOUTH_RIGHT Mouth right.
MOUTH_CENTER Mouth center.
NOSE_BOTTOM_RIGHT Nose, bottom right.
NOSE_BOTTOM_LEFT Nose, bottom left.
NOSE_BOTTOM_CENTER Nose, bottom center.
LEFT_EYE_TOP_BOUNDARY Left eye, top boundary.
LEFT_EYE_RIGHT_CORNER Left eye, right corner.
LEFT_EYE_BOTTOM_BOUNDARY Left eye, bottom boundary.
LEFT_EYE_LEFT_CORNER Left eye, left corner.
RIGHT_EYE_TOP_BOUNDARY Right eye, top boundary.
RIGHT_EYE_RIGHT_CORNER Right eye, right corner.
RIGHT_EYE_BOTTOM_BOUNDARY Right eye, bottom boundary.
RIGHT_EYE_LEFT_CORNER Right eye, left corner.
LEFT_EYEBROW_UPPER_MIDPOINT Left eyebrow, upper midpoint.
RIGHT_EYEBROW_UPPER_MIDPOINT Right eyebrow, upper midpoint.
LEFT_EAR_TRAGION Left ear tragion.
RIGHT_EAR_TRAGION Right ear tragion.
LEFT_EYE_PUPIL Left eye pupil.
RIGHT_EYE_PUPIL Right eye pupil.
FOREHEAD_GLABELLA Forehead glabella.
CHIN_GNATHION Chin gnathion.
CHIN_LEFT_GONION Chin left gonion.
CHIN_RIGHT_GONION Chin right gonion.

Position

A 3D position in the image, used primarily for Face detection landmarks. A valid Position must have both x and y coordinates. The position coordinates are in the same scale as the original image.

JSON representation
{
  "x": number,
  "y": number,
  "z": number
}
Fields
x

number

X coordinate.

y

number

Y coordinate.

z

number

Z coordinate (or depth).

Likelihood

A bucketized representation of likelihood, which is intended to give clients highly stable results across model upgrades.

Enums
UNKNOWN Unknown likelihood.
VERY_UNLIKELY It is very unlikely that the image belongs to the specified vertical.
UNLIKELY It is unlikely that the image belongs to the specified vertical.
POSSIBLE It is possible that the image belongs to the specified vertical.
LIKELY It is likely that the image belongs to the specified vertical.
VERY_LIKELY It is very likely that the image belongs to the specified vertical.

EntityAnnotation

Set of detected entity features.

JSON representation
{
  "mid": string,
  "locale": string,
  "description": string,
  "score": number,
  "confidence": number,
  "topicality": number,
  "boundingPoly": {
    object (BoundingPoly)
  },
  "locations": [
    {
      object (LocationInfo)
    }
  ],
  "properties": [
    {
      object (Property)
    }
  ]
}
Fields
mid

string

Opaque entity ID. Some IDs may be available in Google Knowledge Graph Search API.

locale

string

The language code for the locale in which the entity textual description is expressed.

description

string

Entity textual description, expressed in its locale language.

score

number

Overall score of the result. Range [0, 1].

confidence
(deprecated)

number

Deprecated. Use score instead. The accuracy of the entity detection in an image. For example, for an image in which the "Eiffel Tower" entity is detected, this field represents the confidence that there is a tower in the query image. Range [0, 1].

topicality

number

The relevancy of the ICA (Image Content Annotation) label to the image. For example, the relevancy of "tower" is likely higher to an image containing the detected "Eiffel Tower" than to an image containing a detected distant towering building, even though the confidence that there is a tower in each image may be the same. Range [0, 1].

boundingPoly

object (BoundingPoly)

Image region to which this entity belongs. Not produced for LABEL_DETECTION features.

locations[]

object (LocationInfo)

The location information for the detected entity. Multiple LocationInfo elements can be present because one location may indicate the location of the scene in the image, and another location may indicate the location of the place where the image was taken. Location information is usually present for landmarks.

properties[]

object (Property)

Some entities may have optional user-supplied Property (name/value) fields, such a score or string that qualifies the entity.

LocationInfo

Detected entity location information.

JSON representation
{
  "latLng": {
    object (LatLng)
  }
}
Fields
latLng

object (LatLng)

lat/long location coordinates.

Property

A Property consists of a user-supplied name/value pair.

JSON representation
{
  "name": string,
  "value": string,
  "uint64Value": string
}
Fields
name

string

Name of the property.

value

string

Value of the property.

uint64Value

string

Value of numeric properties.

LocalizedObjectAnnotation

Set of detected objects with bounding boxes.

JSON representation
{
  "mid": string,
  "languageCode": string,
  "name": string,
  "score": number,
  "boundingPoly": {
    object (BoundingPoly)
  }
}
Fields
mid

string

Object ID that should align with EntityAnnotation mid.

languageCode

string

The BCP-47 language code, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.

name

string

Object name, expressed in its languageCode language.

score

number

Score of the result. Range [0, 1].

boundingPoly

object (BoundingPoly)

Image region to which this object belongs. This must be populated.

TextAnnotation

TextAnnotation contains a structured representation of OCR extracted text. The hierarchy of an OCR extracted text structure is like this: TextAnnotation -> Page -> Block -> Paragraph -> Word -> Symbol Each structural component, starting from Page, may further have their own properties. Properties describe detected languages, breaks etc.. Please refer to the TextAnnotation.TextProperty message definition below for more detail.

JSON representation
{
  "pages": [
    {
      object (Page)
    }
  ],
  "text": string
}
Fields
pages[]

object (Page)

List of pages detected by OCR.

text

string

UTF-8 text detected on the pages.

Page

Detected page from OCR.

JSON representation
{
  "property": {
    object (TextProperty)
  },
  "width": number,
  "height": number,
  "blocks": [
    {
      object (Block)
    }
  ],
  "confidence": number
}
Fields
property

object (TextProperty)

Additional information detected on the page.

width

number

Page width. For PDFs the unit is points. For images (including TIFFs) the unit is pixels.

height

number

Page height. For PDFs the unit is points. For images (including TIFFs) the unit is pixels.

blocks[]

object (Block)

List of blocks of text, images etc on this page.

confidence

number

Confidence of the OCR results on the page. Range [0, 1].

TextProperty

Additional information detected on the structural component.

JSON representation
{
  "detectedLanguages": [
    {
      object (DetectedLanguage)
    }
  ],
  "detectedBreak": {
    object (DetectedBreak)
  }
}
Fields
detectedLanguages[]

object (DetectedLanguage)

A list of detected languages together with confidence.

detectedBreak

object (DetectedBreak)

Detected start or end of a text segment.

DetectedLanguage

Detected language for a structural component.

JSON representation
{
  "languageCode": string,
  "confidence": number
}
Fields
languageCode

string

The BCP-47 language code, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.

confidence

number

Confidence of detected language. Range [0, 1].

DetectedBreak

Detected start or end of a structural component.

JSON representation
{
  "type": enum (BreakType),
  "isPrefix": boolean
}
Fields
type

enum (BreakType)

Detected break type.

isPrefix

boolean

True if break prepends the element.

BreakType

Enum to denote the type of break found. New line, space etc.

Enums
UNKNOWN Unknown break label type.
SPACE Regular space.
SURE_SPACE Sure space (very wide).
EOL_SURE_SPACE Line-wrapping break.
HYPHEN End-line hyphen that is not present in text; does not co-occur with SPACE, LEADER_SPACE, or LINE_BREAK.
LINE_BREAK Line break that ends a paragraph.

Block

Logical element on the page.

JSON representation
{
  "property": {
    object (TextProperty)
  },
  "boundingBox": {
    object (BoundingPoly)
  },
  "paragraphs": [
    {
      object (Paragraph)
    }
  ],
  "blockType": enum (BlockType),
  "confidence": number
}
Fields
property

object (TextProperty)

Additional information detected for the block.

boundingBox

object (BoundingPoly)

The bounding box for the block. The vertices are in the order of top-left, top-right, bottom-right, bottom-left. When a rotation of the bounding box is detected the rotation is represented as around the top-left corner as defined when the text is read in the 'natural' orientation. For example:

  • when the text is horizontal it might look like:
    0----1
    |    |
    3----2
  • when it's rotated 180 degrees around the top-left corner it becomes:
    2----3
    |    |
    1----0

and the vertex order will still be (0, 1, 2, 3).

paragraphs[]

object (Paragraph)

List of paragraphs in this block (if this blocks is of type text).

blockType

enum (BlockType)

Detected block type (text, image etc) for this block.

confidence

number

Confidence of the OCR results on the block. Range [0, 1].

Paragraph

Structural unit of text representing a number of words in certain order.

JSON representation
{
  "property": {
    object (TextProperty)
  },
  "boundingBox": {
    object (BoundingPoly)
  },
  "words": [
    {
      object (Word)
    }
  ],
  "confidence": number
}
Fields
property

object (TextProperty)

Additional information detected for the paragraph.

boundingBox

object (BoundingPoly)

The bounding box for the paragraph. The vertices are in the order of top-left, top-right, bottom-right, bottom-left. When a rotation of the bounding box is detected the rotation is represented as around the top-left corner as defined when the text is read in the 'natural' orientation. For example: * when the text is horizontal it might look like: 0----1 | | 3----2 * when it's rotated 180 degrees around the top-left corner it becomes: 2----3 | | 1----0 and the vertex order will still be (0, 1, 2, 3).

words[]

object (Word)

List of words in this paragraph.

confidence

number

Confidence of the OCR results for the paragraph. Range [0, 1].

Word

A word representation.

JSON representation
{
  "property": {
    object (TextProperty)
  },
  "boundingBox": {
    object (BoundingPoly)
  },
  "symbols": [
    {
      object (Symbol)
    }
  ],
  "confidence": number
}
Fields
property

object (TextProperty)

Additional information detected for the word.

boundingBox

object (BoundingPoly)

The bounding box for the word. The vertices are in the order of top-left, top-right, bottom-right, bottom-left. When a rotation of the bounding box is detected the rotation is represented as around the top-left corner as defined when the text is read in the 'natural' orientation. For example: * when the text is horizontal it might look like: 0----1 | | 3----2 * when it's rotated 180 degrees around the top-left corner it becomes: 2----3 | | 1----0 and the vertex order will still be (0, 1, 2, 3).

symbols[]

object (Symbol)

List of symbols in the word. The order of the symbols follows the natural reading order.

confidence

number

Confidence of the OCR results for the word. Range [0, 1].

Symbol

A single symbol representation.

JSON representation
{
  "property": {
    object (TextProperty)
  },
  "boundingBox": {
    object (BoundingPoly)
  },
  "text": string,
  "confidence": number
}
Fields
property

object (TextProperty)

Additional information detected for the symbol.

boundingBox

object (BoundingPoly)

The bounding box for the symbol. The vertices are in the order of top-left, top-right, bottom-right, bottom-left. When a rotation of the bounding box is detected the rotation is represented as around the top-left corner as defined when the text is read in the 'natural' orientation. For example: * when the text is horizontal it might look like: 0----1 | | 3----2 * when it's rotated 180 degrees around the top-left corner it becomes: 2----3 | | 1----0 and the vertice order will still be (0, 1, 2, 3).

text

string

The actual UTF-8 representation of the symbol.

confidence

number

Confidence of the OCR results for the symbol. Range [0, 1].

BlockType

Type of a block (text, image etc) as identified by OCR.

Enums
UNKNOWN Unknown block type.
TEXT Regular text block.
TABLE Table block.
PICTURE Image block.
RULER Horizontal/vertical line box.
BARCODE Barcode block.

SafeSearchAnnotation

Set of features pertaining to the image, computed by computer vision methods over safe-search verticals (for example, adult, spoof, medical, violence).

JSON representation
{
  "adult": enum (Likelihood),
  "spoof": enum (Likelihood),
  "medical": enum (Likelihood),
  "violence": enum (Likelihood),
  "racy": enum (Likelihood)
}
Fields
adult

enum (Likelihood)

Represents the adult content likelihood for the image. Adult content may contain elements such as nudity, pornographic images or cartoons, or sexual activities.

spoof

enum (Likelihood)

Spoof likelihood. The likelihood that an modification was made to the image's canonical version to make it appear funny or offensive.

medical

enum (Likelihood)

Likelihood that this is a medical image.

violence

enum (Likelihood)

Likelihood that this image contains violent content.

racy

enum (Likelihood)

Likelihood that the request image contains racy content. Racy content may include (but is not limited to) skimpy or sheer clothing, strategically covered nudity, lewd or provocative poses, or close-ups of sensitive body areas.

ImageProperties

Stores image properties, such as dominant colors.

JSON representation
{
  "dominantColors": {
    object (DominantColorsAnnotation)
  }
}
Fields
dominantColors

object (DominantColorsAnnotation)

If present, dominant colors completed successfully.

DominantColorsAnnotation

Set of dominant colors and their corresponding scores.

JSON representation
{
  "colors": [
    {
      object (ColorInfo)
    }
  ]
}
Fields
colors[]

object (ColorInfo)

RGB color values with their score and pixel fraction.

ColorInfo

Color information consists of RGB channels, score, and the fraction of the image that the color occupies in the image.

JSON representation
{
  "color": {
    object (Color)
  },
  "score": number,
  "pixelFraction": number
}
Fields
color

object (Color)

RGB components of the color.

score

number

Image-specific score for this color. Value in range [0, 1].

pixelFraction

number

The fraction of pixels the color occupies in the image. Value in range [0, 1].

Color

Represents a color in the RGBA color space. This representation is designed for simplicity of conversion to/from color representations in various languages over compactness; for example, the fields of this representation can be trivially provided to the constructor of "java.awt.Color" in Java; it can also be trivially provided to UIColor's "+colorWithRed:green:blue:alpha" method in iOS; and, with just a little work, it can be easily formatted into a CSS "rgba()" string in JavaScript, as well.

Note: this proto does not carry information about the absolute color space that should be used to interpret the RGB value (e.g. sRGB, Adobe RGB, DCI-P3, BT.2020, etc.). By default, applications SHOULD assume the sRGB color space.

Example (Java):

 import com.google.type.Color;

 // ...
 public static java.awt.Color fromProto(Color protocolor) {
   float alpha = protocolor.hasAlpha()
       ? protocolor.getAlpha().getValue()
       : 1.0;

   return new java.awt.Color(
       protocolor.getRed(),
       protocolor.getGreen(),
       protocolor.getBlue(),
       alpha);
 }

 public static Color toProto(java.awt.Color color) {
   float red = (float) color.getRed();
   float green = (float) color.getGreen();
   float blue = (float) color.getBlue();
   float denominator = 255.0;
   Color.Builder resultBuilder =
       Color
           .newBuilder()
           .setRed(red / denominator)
           .setGreen(green / denominator)
           .setBlue(blue / denominator);
   int alpha = color.getAlpha();
   if (alpha != 255) {
     result.setAlpha(
         FloatValue
             .newBuilder()
             .setValue(((float) alpha) / denominator)
             .build());
   }
   return resultBuilder.build();
 }
 // ...

Example (iOS / Obj-C):

 // ...
 static UIColor* fromProto(Color* protocolor) {
    float red = [protocolor red];
    float green = [protocolor green];
    float blue = [protocolor blue];
    FloatValue* alpha_wrapper = [protocolor alpha];
    float alpha = 1.0;
    if (alpha_wrapper != nil) {
      alpha = [alpha_wrapper value];
    }
    return [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
 }

 static Color* toProto(UIColor* color) {
     CGFloat red, green, blue, alpha;
     if (![color getRed:&red green:&green blue:&blue alpha:&alpha]) {
       return nil;
     }
     Color* result = [[Color alloc] init];
     [result setRed:red];
     [result setGreen:green];
     [result setBlue:blue];
     if (alpha <= 0.9999) {
       [result setAlpha:floatWrapperWithValue(alpha)];
     }
     [result autorelease];
     return result;
}
// ...

Example (JavaScript):

// ...

var protoToCssColor = function(rgb_color) {
   var redFrac = rgb_color.red || 0.0;
   var greenFrac = rgb_color.green || 0.0;
   var blueFrac = rgb_color.blue || 0.0;
   var red = Math.floor(redFrac * 255);
   var green = Math.floor(greenFrac * 255);
   var blue = Math.floor(blueFrac * 255);

   if (!('alpha' in rgb_color)) {
      return rgbToCssColor_(red, green, blue);
   }

   var alphaFrac = rgb_color.alpha.value || 0.0;
   var rgbParams = [red, green, blue].join(',');
   return ['rgba(', rgbParams, ',', alphaFrac, ')'].join('');
};

var rgbToCssColor_ = function(red, green, blue) {
  var rgbNumber = new Number((red << 16) | (green << 8) | blue);
  var hexString = rgbNumber.toString(16);
  var missingZeros = 6 - hexString.length;
  var resultBuilder = ['#'];
  for (var i = 0; i < missingZeros; i++) {
     resultBuilder.push('0');
  }
  resultBuilder.push(hexString);
  return resultBuilder.join('');
};

// ...
JSON representation
{
  "red": number,
  "green": number,
  "blue": number,
  "alpha": number
}
Fields
red

number

The amount of red in the color as a value in the interval [0, 1].

green

number

The amount of green in the color as a value in the interval [0, 1].

blue

number

The amount of blue in the color as a value in the interval [0, 1].

alpha

number

The fraction of this color that should be applied to the pixel. That is, the final pixel color is defined by the equation:

pixel color = alpha * (this color) + (1.0 - alpha) * (background color)

This means that a value of 1.0 corresponds to a solid color, whereas a value of 0.0 corresponds to a completely transparent color. This uses a wrapper message rather than a simple float scalar so that it is possible to distinguish between a default value and the value being unset. If omitted, this color object is to be rendered as a solid color (as if the alpha value had been explicitly given with a value of 1.0).

CropHintsAnnotation

Set of crop hints that are used to generate new crops when serving images.

JSON representation
{
  "cropHints": [
    {
      object (CropHint)
    }
  ]
}
Fields
cropHints[]

object (CropHint)

Crop hint results.

CropHint

Single crop hint that is used to generate a new crop when serving an image.

JSON representation
{
  "boundingPoly": {
    object (BoundingPoly)
  },
  "confidence": number,
  "importanceFraction": number
}
Fields
boundingPoly

object (BoundingPoly)

The bounding polygon for the crop region. The coordinates of the bounding box are in the original image's scale.

confidence

number

Confidence of this being a salient region. Range [0, 1].

importanceFraction

number

Fraction of importance of this salient region with respect to the original image.

WebDetection

Relevant information for the image from the Internet.

JSON representation
{
  "webEntities": [
    {
      object (WebEntity)
    }
  ],
  "fullMatchingImages": [
    {
      object (WebImage)
    }
  ],
  "partialMatchingImages": [
    {
      object (WebImage)
    }
  ],
  "pagesWithMatchingImages": [
    {
      object (WebPage)
    }
  ],
  "visuallySimilarImages": [
    {
      object (WebImage)
    }
  ],
  "bestGuessLabels": [
    {
      object (WebLabel)
    }
  ]
}
Fields
webEntities[]

object (WebEntity)

Deduced entities from similar images on the Internet.

fullMatchingImages[]

object (WebImage)

Fully matching images from the Internet. Can include resized copies of the query image.

partialMatchingImages[]

object (WebImage)

Partial matching images from the Internet. Those images are similar enough to share some key-point features. For example an original image will likely have partial matching for its crops.

pagesWithMatchingImages[]

object (WebPage)

Web pages containing the matching images from the Internet.

visuallySimilarImages[]

object (WebImage)

The visually similar image results.

bestGuessLabels[]

object (WebLabel)

The service's best guess as to the topic of the request image. Inferred from similar images on the open web.

WebEntity

Entity deduced from similar images on the Internet.

JSON representation
{
  "entityId": string,
  "score": number,
  "description": string
}
Fields
entityId

string

Opaque entity ID.

score

number

Overall relevancy score for the entity. Not normalized and not comparable across different image queries.

description

string

Canonical description of the entity, in English.

WebImage

Metadata for online images.

JSON representation
{
  "url": string,
  "score": number
}
Fields
url

string

The result image URL.

score

number

(Deprecated) Overall relevancy score for the image.

WebPage

Metadata for web pages.

JSON representation
{
  "url": string,
  "score": number,
  "pageTitle": string,
  "fullMatchingImages": [
    {
      object (WebImage)
    }
  ],
  "partialMatchingImages": [
    {
      object (WebImage)
    }
  ]
}
Fields
url

string

The result web page URL.

score

number

(Deprecated) Overall relevancy score for the web page.

pageTitle

string

Title for the web page, may contain HTML markups.

fullMatchingImages[]

object (WebImage)

Fully matching images on the page. Can include resized copies of the query image.

partialMatchingImages[]

object (WebImage)

Partial matching images on the page. Those images are similar enough to share some key-point features. For example an original image will likely have partial matching for its crops.

WebLabel

Label to provide extra metadata for the web detection.

JSON representation
{
  "label": string,
  "languageCode": string
}
Fields
label

string

Label for extra metadata.

languageCode

string

The BCP-47 language code for label, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.

ProductSearchResults

Results for a product search request.

JSON representation
{
  "indexTime": string,
  "results": [
    {
      object (Result)
    }
  ],
  "productGroupedResults": [
    {
      object (GroupedResult)
    }
  ]
}
Fields
indexTime

string (Timestamp format)

Timestamp of the index which provided these results. Products added to the product set and products removed from the product set after this time are not reflected in the current results.

A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

results[]

object (Result)

List of results, one for each product match.

productGroupedResults[]

object (GroupedResult)

List of results grouped by products detected in the query image. Each entry corresponds to one bounding polygon in the query image, and contains the matching products specific to that region. There may be duplicate product matches in the union of all the per-product results.

Result

Information about a product.

JSON representation
{
  "product": {
    object (Product)
  },
  "score": number,
  "image": string
}
Fields
product

object (Product)

The Product.

score

number

A confidence level on the match, ranging from 0 (no confidence) to 1 (full confidence).

image

string

The resource name of the image from the product that is the closest match to the query.

GroupedResult

Information about the products similar to a single product in a query image.

JSON representation
{
  "boundingPoly": {
    object (BoundingPoly)
  },
  "results": [
    {
      object (Result)
    }
  ]
}
Fields
boundingPoly

object (BoundingPoly)

The bounding polygon around the product detected in the query image.

results[]

object (Result)

List of results, one for each product match.

ImageAnnotationContext

If an image was produced from a file (e.g. a PDF), this message gives information about the source of that image.

JSON representation
{
  "uri": string,
  "pageNumber": number
}
Fields
uri

string

The URI of the file used to produce the image.

pageNumber

number

If the file was a PDF or TIFF, this field gives the page number within the file used to produce the image.

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