无

Contributed by GUN import os.path\nimport sqlite3\nimport tkinter as tk\nimport cv2\nimport numpy as np\n\nimport os\n\n# 颜色直方图特征提取函数\ndef color_histogram_features(image):\n # 将图像转换为 RGB 颜色空间\n hsv = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)\n # 获取 HSV 图像的第 0 个和第 1 个通道\n channels = [0, 1]\n # 建立在 HSV 颜色空间中 Hue 的取值范围为 0~180, Saturation 的取值范围为 0~256\n hist_size = [180, 256]\n # Hue 的取值范围为 0~180\n hue_range = [0, 180]\n # Saturation 的取值范围为 0~256\n saturation_range = [0, 256]\n # 按照前面定义的参数计算 HSV 图像的直方图\n hist = cv2.calcHist([hsv], channels, None, hist_size, [hue_range, saturation_range])\n # 对得到的直方图进行归一化处理\n cv2.normalize(hist, hist)\n # 返回直方图\n return hist.flatten()\n\nBASE_DIR = os.path.dirname(os.path.abspath(__file__))\ndb_path = os.path.join(BASE_DIR, \"database.db\")\nconnect = sqlite3.connect(db_path)\n\n# 创建数据库连接\ndef create_database_connection():\n conn = sqlite3.connect(\'database.db\')\n conn.execute(\"CREATE TABLE IF NOT EXIST