Sunday, 15 February 2015

restoration - How do I repair "partially" corrupted raw (cr2) files?


I have a number of raw images which were restored after deletion, when I open them in image viewer they seem to be fine, but if I open them in Photoshop image seem to be corrupted. How is it possible and is there a way to extract this uncorrupted image?



Answer




If the data is corrupted, there isn't necessarily a whole lot that can be done to help you since part of the data is gone (unless it got distorted in some kind of a pattern that you can identify and reverse). CR2 stores a preview jpeg in addition to the RAW data, so your viewer is simply looking at the JPEG rather than the RAW data. The RAW data on the other hand is corrupt and likely unrecoverable.


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