Python cv2.COLOR_HSV2GRAY Examples

The following are 4 code examples of cv2.COLOR_HSV2GRAY(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module cv2 , or try the search function .
Example #1
Source File: object_detection_2d_photometric_ops.py    From data_generator_object_detection_2d with GNU General Public License v3.0 7 votes vote down vote up 
def __call__(self, image, labels=None):
        if self.current == 'RGB' and self.to == 'HSV':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2HSV)
        elif self.current == 'RGB' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        elif self.current == 'HSV' and self.to == 'RGB':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2RGB)
        elif self.current == 'HSV' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        if labels is None:
            return image
        else:
            return image, labels
Example #2
Source File: object_detection_2d_photometric_ops.py    From Tensorflow-quantization-test with Apache License 2.0 6 votes vote down vote up 
def __call__(self, image, labels=None):
        if self.current == 'RGB' and self.to == 'HSV':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2HSV)
        elif self.current == 'RGB' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        elif self.current == 'HSV' and self.to == 'RGB':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2RGB)
        elif self.current == 'HSV' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        if labels is None:
            return image
        else:
            return image, labels
Example #3
Source File: object_detection_2d_photometric_ops.py    From keras-FP16-test with Apache License 2.0 6 votes vote down vote up 
def __call__(self, image, labels=None):
        if self.current == 'RGB' and self.to == 'HSV':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2HSV)
        elif self.current == 'RGB' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        elif self.current == 'HSV' and self.to == 'RGB':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2RGB)
        elif self.current == 'HSV' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        if labels is None:
            return image
        else:
            return image, labels
Example #4
Source File: object_detection_2d_photometric_ops.py    From ssd_keras with Apache License 2.0 6 votes vote down vote up 
def __call__(self, image, labels=None):
        if self.current == 'RGB' and self.to == 'HSV':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2HSV)
        elif self.current == 'RGB' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        elif self.current == 'HSV' and self.to == 'RGB':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2RGB)
        elif self.current == 'HSV' and self.to == 'GRAY':
            image = cv2.cvtColor(image, cv2.COLOR_HSV2GRAY)
            if self.keep_3ch:
                image = np.stack([image] * 3, axis=-1)
        if labels is None:
            return image
        else:
            return image, labels