These programs would show those burst mode shots as being potential duplicates. They do this by creating very low res versions, many time in monochrome, and comaring those. The other flavor actually looks at the image content (pixels) to find images that 'look' the same. One of the most popular is Teekesselchen ( ). Some of these program can run as LrC plugins.
one flavor only looks at metadata to determine if two images are duplicates. If you go to the 3rd party market, there are two forms of these programs. For example a burst sequence where several images look identical but are actually individual captures from the camera - even though these may not be desired, they are not duplicates in terms of LrC's duplicate checking. capture date/time, pixel dimensions, and the like) it is rare that it will let duplicates in.Īnother factor is that many people mis use the word 'duplicate' to mean 'very similar'.
However, if you have not renamed the image files and have not mucked around with metadata (e.g.
However, even with it checked, depending on several factors, sometimes duplicates slip by. LrC usually prevents you from importing duplicate images assuming you have the 'do not import suspected duplicates' checked in the import dialog.
