图像处理算法

预处理

在获取到上传的血常规化验单图片后，项目中对其进行了预处理，作用主要是为了减小噪声，为后边的识别算法服务，在这里主要用到了以下两个方法：

• 高斯平滑

  1	img_gb = cv2.GaussianBlur(img_gray, (gb_param, gb_param), 0)

• 腐蚀、膨胀

  1 2	closed = cv2.morphologyEx(img_gb, cv2.MORPH_CLOSE, kernel) opened = cv2.morphologyEx(closed, cv2.MORPH_OPEN, kernel)

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