项目初始化

utils/opencv_util.py

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+# 增强对比度 + 灰度转换 + 自适应阈值
+import cv2
+
+img = cv2.imread("fb1df265-5085-4bc2-881b-7674b620c4ac.jpg")
+
+# 转灰度图
+gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+
+# 提升对比度
+clahe = cv2.createCLAHE(clipLimit=3.0, tileGridSize=(8, 8))
+enhanced = clahe.apply(gray)
+
+# 二值化处理
+binary = cv2.adaptiveThreshold(enhanced, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C,
+                               cv2.THRESH_BINARY_INV, 11, 2)
+
+cv2.imwrite("processed.png", binary)

utils/os_utils.py

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+import os
+from fastapi import UploadFile
+
+
+def file_path(*path):
+    """
+    拼接返回文件路径
+    :param path:
+    :return:
+    """
+    return_path = os.path.join(*path)
+    return return_path
+
+
+def create_folder(*path):
+    """根据路径创建文件夹"""
+    folder_path = os.path.join(*path)
+    try:
+        os.makedirs(folder_path, exist_ok=True)
+    except Exception as e:
+        print(f"创建文件夹时错误： {e}")
+    return folder_path
+
+
+def save_images(*path, file: UploadFile):
+    """
+    保存上传的图片
+    :param path: 路径
+    :param file: 文件
+    :return:
+    """
+    save_path = os.path.join(*path, file.filename)
+
+    os.makedirs(os.path.dirname(save_path), exist_ok=True)
+    with open(save_path, "wb") as f:
+        for line in file.file:
+            f.write(line)
+    return save_path
+

utils/pillow_util.py

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+from PIL import Image, ImageEnhance
+
+# 加载图片
+img = Image.open("fb1df265-5085-4bc2-881b-7674b620c4ac.jpg")
+
+# 增强对比度（1.5 倍为示例，你可以调节参数）
+enhancer = ImageEnhance.Contrast(img)
+img_enhanced = enhancer.enhance(4.0)
+
+# 保存增强后的图像
+img_enhanced.save("enhanced_image_pillow.png")