Currently, there are a large number of programs that help find and remove duplicate images, but not all of these useful tools can find not only the exact same image, but similar images. Duplicate Image Remover Free - one of these programs. It includes two options - find similar pictures and search for similar images. This helps to more fully fulfill delete duplicate images and essentially clean your hard drive of unnecessary files.
If you use a particular program to find duplicate images should be fully aware that, according to what criterion searches for duplicate images to produce the most efficient removal of duplicates and do not accidentally delete the files you want to be treated with this tool as duplicates.
For example, in Yandex are four kinds of duplicate images:
1. Exact duplicates. This is absolutely similar images that did not differ either in size or color, or some other criterion.
2. Thumbnail duplicates. This image, which differ only in size. For example, the original image and the thumbnail (thumbnail) will be considered tumbneylernymi duplicates.
3. Duplicates half. This image slightly differ from each other. The difference may lie in the presence of a watermark or a framework. These duplicates are also crop images and images with a slight color correction.
4. Semi-duplicates extended type. It duplicates with each other more significant differences than the previous group of duplicates. This may be fragments of the same image or images having large differences in color.
Using these features Yandex search engine allows the user to find the right version of the image. For example, if the user has only a fragment of a picture or the picture is very poor quality, the search engine allows you to find another image, better quality or relevant parameters.