Assertion failed: _queryDescriptors.type() == trainDescType in func knnMatcImpl

最新推荐文章于 2024-04-09 22:07:37 发布

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最新推荐文章于 2024-04-09 22:07:37 发布 · 2.5k 阅读

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#opencv匹配

问题错误：cv2.error：OpenCV（3.4.2） /io/opencv/modules/features2d/src/matchers.cpp:744：error：（-215：Assertion failed） _queryDescriptors.type() == trainDescType in function knnMatchImpl

class KeypointData(object):
    def __init__(self, keypoints, descriptors):
        self.keypoints = keypoints
        self.descriptors = descriptors
        
    def save(self, file_name):
        data = []
        for keypoint, descriptor in zip(self.keypoints, self.descriptors):
            data.append([keypoint.pt
                , keypoint.size
                , keypoint.angle
                , keypoint.response
                , keypoint.octave
                , keypoint.class_id
                , descriptor])
    
        pickle.dump(data, open(file_name, "wb" ))
        
    @staticmethod
    def load(file_name, flg):
        data = pickle.load(open(file_name, "rb" ),encoding='bytes')
        
        keypoints = []
        descriptors = []