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    python中如何删除相似的图片?

     Ly Ly2020-05-23 11:23:25原创2505

    方法一:相邻两个文件比较相似度,相似就把第二个加到新列表里,然后进行新列表去重,统一删除。

    例如:有文件1-10,首先1和2相比较,若相似,则把2加入到新列表里,再接着2和3相比较,若不相似,则继续进行3和4比较...一直比到最后,然后删除新列表里的图片

    代码如下:

    #!/usr/bin/env python
    # -*- coding: utf-8 -*-
    # @Time    : 2019/1/15 9:19
    # @Author  : xiaodai
    import os
    import cv2
    from skimage.measure import compare_ssim
    # import shutil
    # def yidong(filename1,filename2):
    #     shutil.move(filename1,filename2)
    def delete(filename1):
        os.remove(filename1)
    if __name__ == '__main__':
        path = r'D:\camera_pic\test\rec_pic'
        # save_path_img = r'E:\0115_test\rec_pic'
        # os.makedirs(save_path_img, exist_ok=True)
        img_path = path
        imgs_n = []
        num = []
        img_files = [os.path.join(rootdir, file) for rootdir, _, files in os.walk(path) for file in files if
                     (file.endswith('.jpg'))]
        for currIndex, filename in enumerate(img_files):
            if not os.path.exists(img_files[currIndex]):
                print('not exist', img_files[currIndex])
                break
            img = cv2.imread(img_files[currIndex])
            img1 = cv2.imread(img_files[currIndex + 1])
            ssim = compare_ssim(img, img1, multichannel=True)
            if ssim > 0.9:
                imgs_n.append(img_files[currIndex + 1])
                print(img_files[currIndex], img_files[currIndex + 1], ssim)
            else:
                print('small_ssim',img_files[currIndex], img_files[currIndex + 1], ssim)
            currIndex += 1
            if currIndex >= len(img_files)-1:
                break
        for image in imgs_n:
            # yidong(image, save_path_img)
            delete(image)

    方法二:逐个去比较,若相似,则从原来列表删除,添加到新列表里,若不相似,则继续

    例如:有文件1-10,首先1和2相比较,若相似,则把2在原列表删除同时加入到新列表里,再接着1和3相比较,若不相似,则继续进行1和4比较...一直比,到最后一个,再继续,正常应该再从2开始比较,但2被删除了,所以从3开始,继续之前的操作,最后把新列表里的删除。

    代码如下:

    #!/usr/bin/env python
    # -*- coding: utf-8 -*-
    # @Time    : 2019/1/16 12:03
    # @Author  : xiaodai
    import os
    import cv2
    from skimage.measure import compare_ssim
    import shutil
    import datetime
    def yidong(filename1,filename2):
        shutil.move(filename1,filename2)
    def delete(filename1):
        os.remove(filename1)
        print('real_time:',now_now-now)
    if __name__ == '__main__':
        path = r'F:\temp\demo'
        # save_path_img = r'F:\temp\demo_save'
        # os.makedirs(save_path_img, exist_ok=True)
        for (root, dirs, files) in os.walk(path):
            for dirc in dirs:
                if dirc == 'rec_pic':
                    pic_path = os.path.join(root, dirc)
                    img_path = pic_path
                    imgs_n = []
                    num = []
                    del_list = []
                    img_files = [os.path.join(rootdir, file) for rootdir, _, files in os.walk(img_path) for file in files if
                                 (file.endswith('.jpg'))]
                    for currIndex, filename in enumerate(img_files):
                        if not os.path.exists(img_files[currIndex]):
                            print('not exist', img_files[currIndex])
                            break
                        new_cur = 0
                        for i in range(10000000):
                            currIndex1 =new_cur
                            if currIndex1 >= len(img_files) - currIndex - 1:
                                break
                            else:
                                size = os.path.getsize(img_files[currIndex1 + currIndex + 1])
                                if size < 512:
                                    # delete(img_files[currIndex + 1])
                                    del_list.append(img_files.pop(currIndex1 + currIndex + 1))
                                else:
                                    img = cv2.imread(img_files[currIndex])
                                    img = cv2.resize(img, (46, 46), interpolation=cv2.INTER_CUBIC)
                                    img1 = cv2.imread(img_files[currIndex1 + currIndex + 1])
                                    img1 = cv2.resize(img1, (46, 46), interpolation=cv2.INTER_CUBIC)
                                    ssim = compare_ssim(img, img1, multichannel=True)
                                    if ssim > 0.9:
                                        # imgs_n.append(img_files[currIndex + 1])
                                        print(img_files[currIndex], img_files[currIndex1 + currIndex + 1], ssim)
                                        del_list.append(img_files.pop(currIndex1 + currIndex + 1))
                                        new_cur = currIndex1
                                    else:
                                        new_cur = currIndex1 + 1
                                        print('small_ssim',img_files[currIndex], img_files[currIndex1 + currIndex + 1], ssim)
                    for image in del_list:
                        # yidong(image, save_path_img)
                        delete(image)
                        print('delete',image)
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