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This app can be invoked directly at which point the input picture must be selected. However, if you have an image in the gallery to process (or have a screen capture) then you can also open it and select ChessOcrPict to process this image using the share content icon. Once in ChessOcrPict simply touch the screen to start the recognition process. If recognition is successful it displays the result, and asks you to select which color is to move, which is always necessary. Then it saves each recognized figure in a pgn file, and also puts the most recent one in the clipboard as a FEN string.
Once the position is recognized you can do with ChessOcrPict exactly what you could do with ChessOcr. That is you can invoke an Android chess program like DroidFish, SCIDOnthego or Chess for Android to analyze the position or perform a data base search for games that contain this position (SCIDOnthego). There is a free SCID database that can be used with SCIDOnthego. Simply download the zip file http://www.kgrothapps.com/files/dbsmall-apr-6-13.zip then unzip and put these files in SCID directory.
For best results the chess figure should take up at least half of the input image. If recognition fails then the app simply returns directly without a result. So in summary, this app has the same functionality as ChessOcr, but the input is a static image obtained off-line, and not a live image obtained from a back facing camera.
Tags: ocr chess books.
Release 1.0 Should work on any image in the gallery, or on a screen capture. To test open a pdf file or web page with a chess figure, and then do a screen capture, and process that image using ChessOcrPict.
Release 1.1 Now allows an image to be specified when the app is started. So the app can be invoked directly, or can be used to process an image in the gallery by using the share content icon.