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Have you tried showing a set or a large collection of digital snapshots to a friend or relative? Weren't they underwhelmed and a little bored by the number of all too similar shots of the same subject? Get rid of the duplicates automatically! Image Comparer scans your entire collection of images, analyzes their contents and locates files that look alike.
Manually locating similar images may be fine if you have a just dozen images. But what if you have a hundred? If you do it by hand, it'll take you quite a while. If you are like most digital shooters, you probably have several hundred or even a few thousand digital pictures stored in various folders. Locating and removing duplicates can easily become a time-consuming nightmare, and may eventually even take away the fun of taking pictures.
Difficult lighting and exposure problems, camera shake and digital noise can pollute your images. If you encounter difficult shooting conditions, you are probably taking a few duplicates with somewhat different settings. Selecting the best shot out of a few duplicates is relatively easy, but what if you have hundreds of duplicate shots? Your viewers won't be overly impressed to see a dark shot, a blurry shot, and then just the perfect one followed by an overexposed view.
Image Comparer analyzes your digital images and automatically selects the best shot out of the many duplicates, allowing you to move or delete duplicate images in a couple of mouse clicks.
Unlike similar products, Image Comparer does not just look for exact duplicates. Instead, it analyzes and recognizes an image's content, and groups pictures that look alike. You can specify the level of similarity that is sufficient to consider pictures to be duplicates. View them in pairs or see the top ten similar images and keep the best one!
Image Comparer is extremely useful to professional photographers, designers, and webmasters, who have "image-heavy" sites to maintain. The program is incredibly fast; after a minute or two one can see how many duplicate images are stored and how much disk space will be saved by removing the duplicates. The "dupes" can then be removed all at once with one click. Alternatively, a user can specify which images need to be deleted, moved or copied.
The list of supported image file formats includes RAW, JPEG, J2K, BMP, GIF, PNG, TIFF, TGA and other.
Image Comparer is ready for immediate download; a free 30-days evaluation version is available. This trial version identifies duplicates, but does not allow moving, deleting or copying them.
Image Comparer command line version
Image Comparer is a smart utility for image similarity estimation.
Furthermore, Image Comparer can identify duplicate images, even if they are of different size and resolution setting. The program's unique algorithm can also identify similar images, specifying their degree of similarity; 100% means the two images are identical, 95% means that one of the images was probably altered and so on.
You can evaluate the quality of our unique comparison algorithm and the processing speed with our trial version of Image Comparer�, available for download here.
A command-line version of Image Comparer is also available as a console application, and can be used in batch image processing, on web sites, or in any other way you wish.
Image Comparer command-line version is commercial software, and for legal reasons has to be registered to get actual similarity percentage values. Unregistered versions will return a "-1" value as a similarity percentage. You can download unregistered version here.
version 3.8
- added: favorite folders for automarking feature when results are in tree view mode
- added: Swedish and Romanian translations
- added: ability to rename selected image in the gallery or in the "Top 10 similar" list
- added: automarking wizard for the "Results as a tree" mode
- fixed: wrong time estimation while compare within a gallery
- fixed a bug that brings an error on some multicore CPUs
A command-line version of Image Comparer is also available as a console application, and can be used in batch image processing, on web sites, or in any other way you wish.
Image Comparer command-line version is commercial software, and for legal reasons has to be registered to get actual similarity percentage values. Unregistered versions will return a "-1" value as a similarity percentage. You can download unregistered version here.
You will be provided with the download link and registration key within 24 hours of the payment being processed. If you have any questions, we strongly recommend you to contact us before paying!
Usage:
- ic.exe [first object] [second object] [options]
- The comparison object can be a single image file, a text file with the image file names or folder containing images.
- Supported file extensions are: BMP, JPG, JPEG, GIF, PNG, TXT, and LST.
- If both comparison objects are specified, the comparison will be done between the two groups of images, and no comparison will be run inside each group.
- If only one object is specified, comparison will be done among these images, unless this object is a single image file.
Options list:
- -O:output file - specifies comparison results file. By default, standard output device is used.
- -E:error log - specifies error log file. By default, errors are not displayed.
- -V - verbose mode. Can be used for debugging purposes.
- -R - include subfolders. Valid when folder with images is specified.
- -F - use this option if the majority of your images are similar. This will turn off rough estimate for the unsimilar images rejecting.
As an output, you'll get a semicolon delimited list of image pairs and their similarity percentage. An example of such a list is shown below:
-=======- Cut -=======-
Ara0248_Dorman.jpg;0062_Dave_Dorman.jpg;44
Ara0248_Dorman.jpg;dave_dorman_the_cow_thief.jpg;18
Ara0248_Dorman.jpg;jp_dorman_always_jpg.jpg;32
0062_Dave_Dorman.jpg;dave_dorman_the_cow_thief.jpg;51
0062_Dave_Dorman.jpg;jp_dorman_always_jpg.jpg;63
dave_dorman_the_cow_thief.jpg;jp_dorman_always_jpg.jpg;40
-=======- Cut -=======-
USAGE EXAMPLES
ic.exe myphoto19.jpg 2005.txt -O:clog.txt
compares the image from the file "myphoto19.jpg" with the each image in the file names list "2005.txt", and saves the results to a file named "clog.txt".
ic.exe myphoto19.jpg D:\photo\2005 -R
compares the image from file "myphoto19.jpg" with each supported image in folder "D:\photo\2005", including all subfolders, and shows results in the command line output.
ic.exe D:\photo\2004 D:\photo\2005 -R
compares each supported image from the folder "D:\photo\2004" with each supported image in the folder "D:\photo\2005". All supported images, from all subfolders, are included too. The results are shown in standard output.
ic.exe mypic1.jpg mylogo.png -E:err.log
compares the image "mypic1.jpg" with the image "mylogo.png", and displays results in the command line output. All error messages are saved to a file named "err.log".
ic.exe D:\photo\2004\*.jpg -O:comparison.log
compares all JPEG images from the folder "D:\photo\2004" with each other, and saves the results to a file named "comparison.log".
ic.exe list.txt
compares images listed in the file "list.txt" with each other, and shows results in the command line output.
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