?各位大佬，我正在用Sobel、SIFT feature extraction、Color histogram去做圖像分類(lèi)檢索。想輸入一張圖片去檢索相類(lèi)似的圖像，出現(xiàn)了以下錯(cuò)誤，請(qǐng)問(wèn)該怎么解決呢？萬(wàn)分感謝
# Define a function to find similar images
def find_similar_images(image_path, k=5):
? ? # Load input image and compute descriptors
? ? img = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)
? ? img = cv2.resize(img, (img_size, img_size))
? ? keypoints, descriptors = sift.detectAndCompute(img, None)
? ? # If no keypoints are found, return an empty list
? ? if descriptors is None:
? ? ? ? return []文章來(lái)源：http://www.zghlxwxcb.cn/news/detail-419221.html
? ? # Convert descriptors to np.float32 data type
? ? descriptors = descriptors.astype(np.float32)
? ??
? ? # Compute distances between input image descriptors and dataset descriptors
? ? matcher = cv2.FlannBasedMatcher()
? ? matches = matcher.knnMatch(descriptors, data, k=2)
? ? distances = [m[0].distance for m in matches]
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