Python cv2.CV_LOAD_IMAGE_UNCHANGED Examples

The following are 6 code examples of cv2.CV_LOAD_IMAGE_UNCHANGED(). 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: helper.py    From KittiSeg with MIT License 5 votes vote down vote up 
def getGroundTruth(fileNameGT):
    '''
    Returns the ground truth maps for roadArea and the validArea 
    :param fileNameGT:
    '''
    # Read GT
    assert os.path.isfile(fileNameGT), 'Cannot find: %s' % fileNameGT
    full_gt = cv2.imread(fileNameGT, cv2.CV_LOAD_IMAGE_UNCHANGED)
    #attention: OpenCV reads in as BGR, so first channel has Blue / road GT
    roadArea =  full_gt[:,:,0] > 0
    validArea = full_gt[:,:,2] > 0

    return roadArea, validArea
Example #2
Source File: helper.py    From KittiSeg with MIT License 5 votes vote down vote up 
def getGroundTruth(fileNameGT):
    '''
    Returns the ground truth maps for roadArea and the validArea 
    :param fileNameGT:
    '''
    # Read GT
    assert os.path.isfile(fileNameGT), 'Cannot find: %s' % fileNameGT
    full_gt = cv2.imread(fileNameGT, cv2.CV_LOAD_IMAGE_UNCHANGED)
    #attention: OpenCV reads in as BGR, so first channel has Blue / road GT
    roadArea =  full_gt[:,:,0] > 0
    validArea = full_gt[:,:,2] > 0

    return roadArea, validArea
Example #3
Source File: helper.py    From KittiSeg with MIT License 5 votes vote down vote up 
def getGroundTruth(fileNameGT):
    '''
    Returns the ground truth maps for roadArea and the validArea 
    :param fileNameGT:
    '''
    # Read GT
    assert os.path.isfile(fileNameGT), 'Cannot find: %s' % fileNameGT
    full_gt = cv2.imread(fileNameGT, cv2.CV_LOAD_IMAGE_UNCHANGED)
    #attention: OpenCV reads in as BGR, so first channel has Blue / road GT
    roadArea =  full_gt[:,:,0] > 0
    validArea = full_gt[:,:,2] > 0

    return roadArea, validArea
Example #4
Source File: imagefeatures_rest.py    From image_space with Apache License 2.0 5 votes vote down vote up 
def getImageFeatures(self, params):
        try:
            import cv2
            import numpy as np
            cv2_available = True
        except ImportError:
            cv2_available = False

        # Disabling opencv for now
        cv2_available = False

        if 'url' in params:
            data = requests.get(params['url'], verify=False).content
        else:
            data = str(cherrypy.request.body.read())

        # Run Tika once
        parsed = parser.from_buffer(data)
        tika = {}
        for (k, v) in parsed["metadata"].iteritems():
            k = k.lower().replace(':', '_').replace(' ', '_').replace('-', '_')
            tika[k] = v[0] if type(v) is list and len(v) else v
        tika['content'] = parsed["content"]

        if cv2_available:
            file_bytes = np.asarray(bytearray(data), dtype=np.uint8)
            image = cv2.imdecode(file_bytes, flags=cv2.CV_LOAD_IMAGE_UNCHANGED)

            if image is not None:
                if len(image.shape) < 3 or image.shape[2] == 1:
                    image = cv2.cvtColor(image, cv2.COLOR_GRAY2RGB)

                v = cv2.calcHist([image], [0, 1, 2], None, [8, 8, 8], [0, 256, 0, 256, 0, 256])
                v = v.flatten()
                hist = v / sum(v)
                tika['histogram'] = hist.tolist()

        tika['sha1sum_s_md'] = hashlib.sha1(bytearray(data)).hexdigest()

        return tika
Example #5
Source File: metric.py    From SceneChangeDet with MIT License 5 votes vote down vote up 
def getGroundTruth(fileNameGT):
    '''
    Returns the ground truth maps for roadArea and the validArea 
    :param fileNameGT:
    '''
    # Read GT
    assert os.path.isfile(fileNameGT), 'Cannot find: %s' % fileNameGT
    full_gt = cv2.imread(fileNameGT, cv2.CV_LOAD_IMAGE_UNCHANGED)
    #attention: OpenCV reads in as BGR, so first channel has Blue / road GT
    roadArea =  full_gt[:,:,0] > 0
    validArea = full_gt[:,:,2] > 0

    return roadArea, validArea
Example #6
Source File: flowlib.py    From GeoNet with MIT License 5 votes vote down vote up 
def read_kitti_png_file(flow_file):
    # print flow_file
    flow_img = cv2.imread(flow_file, cv2.CV_LOAD_IMAGE_UNCHANGED)
    flow_img = flow_img.astype(float)
    # print flow_img.shape
    flow_data = np.zeros(flow_img.shape, dtype = np.float)
    flow_data[:, :, 0] = (flow_img[:, :, 2] - 2 ** 15) / 64.0
    flow_data[:, :, 1] = (flow_img[:, :, 1] - 2 ** 15) / 64.0
    flow_data[:, :, 2] = flow_img[:, :, 0]
    return flow_data