ddup 0.0.7

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ddup

Compare images in two image lists and find dulplicate ones.

Install

pip install ddup

Usage

• Use it in command line

ddup {--list1 img1 img2 img3| --path1 imglist_path} \
     [{--list2 img1 img2 img3| --path2 imglist_path}] \
     [--out output_dir] [--log]

Compare result will be sved in ddup_output.json

Example 1

Compare images in list file1 to those in list file2 and save results in the specified fodler.

ddup --path1 imglist1.txt --path2 imglist2.txt --out /mnt/Storage

Input for Ex1

• path1

  imglist1.txt

/mnt/Storage/test1/000001.jpg
/mnt/Storage/test1/000002.jpg

• path2

  imglist2.txt

/mnt/Storage/test2/000001.jpg
/mnt/Storage/test2/000002.jpg
/mnt/Storage/test2/000003.jpg

• out

/mnt/Storage

Output for Ex1

• hash1.hdf5

  Store the hashes of images in list1 in .hdf5 format.

• hash2.hdf5

  Store the hashes of images in list2 in .hdf5 format.

• ddup_output.json

  Store the comparision results in json format. Each image in list1 will correspond to one or more images in list2 if they are similar.

{
  "/mnt/Storage/test1/000001.jpg": ["/mnt/Storage/test2/000001.jpg"],
  "/mnt/Storage/test1/000002.jpg": ["/mnt/Storage/test2/000002.jpg", "/mnt/Storage/test2/000003.jpg"]
}

Example 2

Compare a list of images to themselves.

You can give a single list, or give two same lists.

ddup --list1 1.jpg 2.jpg 3.jpg 4.jpg
ddup --list1 1.jpg 2.jpg 3.jpg 4.jpg --list2 1.jpg 2.jpg 3.jpg 4.jpg

Input for Ex2

["1.jpg", "2.jpg", "3.jpg", "4.jpg"]

Output for Ex2

• hash1.hdf5

  Store thephashes of images in list1 in .hdf5 format.

• ddup_output.json

  Store the comparision results in json format.

  For self comparison, similar images will be orginized into groups with the first image in the group be the key and the whole group be the value.

{
  "1.jpg": ["1.jpg", "2.jpg", "3.jpg"]
}

Parameters

list1 and path1 are considered as input1.

One and only one of them must be provided.

list2 and path2 are considered as input2.

None or one of them can be provided.

If none of them are provided, input1 will be compared with itself.

If one of them is provided, input1 will be compared with input2.

• list1

  Directly give paths of several images.

--list1 1.jpg img/2.jpg img2/3.jpg

• path1

  Path of the first image list file.

  If there are many images to be compared with, an image list file can be provided instead.

  Image paths in the list should be Absolute path.

--path1 imglist1.txt

• list2

  Same as list1

• path2

  Same as path1

• out[optional]

  To specify a folder to save the results files.

  The folder will be created if it does not exist.

  Default is folder ddup_output in current path.

• --log[optional]

  With this option added, the program will print detail log for each thread and each dulplicate image pair. This may cause message flush on screen so it is recommended to pipe it in to a log file.