Values:
TYPE_UNSPECIFIED (0):
Unspecified feature type.
FACE_DETECTION (1):
Run face detection.
LANDMARK_DETECTION (2):
Run landmark detection.
LOGO_DETECTION (3):
Run logo detection.
LABEL_DETECTION (4):
Run label detection.
TEXT_DETECTION (5):
Run OCR.
DOCUMENT_TEXT_DETECTION (11):
Run dense text document OCR. Takes precedence when both
DOCUMENT_TEXT_DETECTION and TEXT_DETECTION are present.
SAFE_SEARCH_DETECTION (6):
Run computer vision models to compute image
safe-search properties.
IMAGE_PROPERTIES (7):
Compute a set of image properties, such as
the image's dominant colors.
CROP_HINTS (9):
Run crop hints.
WEB_DETECTION (10):
Run web detection.
