def detect_crop_hints(self, aspect_ratios=None, limit=10):
"""Detect crop hints in image.
:type aspect_ratios: list
:param aspect_ratios: (Optional) List of floats i.e. 4/3 == 1.33333. A
maximum of 16 aspect ratios can be given.
:type limit: int
:param limit: (Optional) The number of crop hints to detect.
:rtype: list
:returns: List of :class:`~google.cloud.vision.crop_hint.CropHints`.
"""
feature_type = image_annotator_pb2.Feature.CROP_HINTS
feature = image_annotator_pb2.Feature(type=feature_type,
max_results=limit)
image = _to_gapic_image(self)
crop_hints_params = image_annotator_pb2.CropHintsParams(
aspect_ratios=aspect_ratios)
image_context = image_annotator_pb2.ImageContext(
crop_hints_params=crop_hints_params)
request = image_annotator_pb2.AnnotateImageRequest(
image=image, features=[feature], image_context=image_context)
annotations = self._detect_annotation_from_pb([request])
return annotations[0].crop_hints
def detect_full_text(self, language_hints=None, limit=10):
"""Detect a full document's text.
:type language_hints: list
:param language_hints: (Optional) A list of BCP-47 language codes. See
https://cloud.google.com/vision/docs/languages
:type limit: int
:param limit: (Optional) The number of documents to detect.
:rtype: list
:returns: List of :class:`~google.cloud.vision.text.TextAnnotation`.
"""
feature_type = image_annotator_pb2.Feature.DOCUMENT_TEXT_DETECTION
feature = image_annotator_pb2.Feature(type=feature_type,
max_results=limit)
image = _to_gapic_image(self)
image_context = image_annotator_pb2.ImageContext(
language_hints=language_hints)
request = image_annotator_pb2.AnnotateImageRequest(
image=image, features=[feature], image_context=image_context)
annotations = self._detect_annotation_from_pb([request])
return annotations[0].full_texts
def _call_fut(self, image):
from google.cloud.vision._gax import _to_gapic_image
return _to_gapic_image(image)
def _call_fut(self, image):
from google.cloud.vision._gax import _to_gapic_image
return _to_gapic_image(image)