“Evaluating Bag-of-visual-words Representations in Scene Classification.” In Proceedings of the International Workshop on Workshop on Multimedia Information Retrieval, 197–206, 2007. The following three are the probably the most quoted papers in this field, all by different research groups: This can be conveniently done with a couple of lines of code in python/numpy/scipy/pyopencv. ) for simple feature extraction (on all frames or on selected frames only). I recommend (a) try a number of simple algorithms on the data that interests you, and (b) use some type of voting/polling process to combine their outputs, based on the observation that a simple combination of simple algorithms often radically outperforms a single sophisticated algorithm in these kinds of problems.Īlso, look into Earth Movers Distance (on color histogram, gradients. If you would like to pursue this yourself, implementing a prototype of any of the published algorithms should be fairly easy. You might also try to get in touch with the authors of UQLIPS (Shen et al, cited below).Īlso, look into the list of entries into TRECVID, some years had near-duplicate detection as one of the tasks, and you might be able to get in touch with some of these groups and get the software. There is also IMMI, an open-source image mining plugin for RapidMiner.Īny of these can be applied to video as well as images by treating either all frames or selected frames (for example keyframes) as inputs to the algorithm, and then aggregating the results for similarity of pairs of frames from two different clips. There is also pHash, an open-source "perceptual hash" library for images. There's also some info on applying that to video (mainly on keyframes). Video Comparer has unique duplicate detection features that you won't find in any other product.Here is one project on near-duplicates: INDetector by DVMM Lab, U Columbia (source-available, not exactly open source I think). Awesome Duplicate Photo Finder is a free powerful tool, that helps you to find and remove duplicate. Multi functional app to find duplicates, empty folders, similar images etc. Over 1 million downloads: Get your copy now! Free and Pro versions available. Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Duplicate Media Finder locates and deletes identical files and similar media dupeGuru is a tool for finding duplicate files on your computer. View more What are some alternatives? When comparing VisiPics and Video Duplicate Finder, you can also consider the following products It shows you at a glance which version of a file has the longest duration, highest frame rate, bitrate, resolution, file size, etc. I use Video Duplicate Finder in a docker container on my media server.
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