A kind of system and method are disclosed for error correction existing electric document. Electronic document can be grating and turn to pixel expression electronic document (for example, raster image). The execution optical character identification (OCR) of one or more tasks can be in the electronic document of the raster image. It was found that the error mistake that can be corrected and be customized by OCR tasks corrected the electronic document of version and can be created and store. If the author of electronic document be it is known, raster image can dictionary the author associated with personalized tf*idf mistakes to determine known OCR mistakes specific to author. Raster image is also possible to dictionary the author associated with individual electronic mistake to determine known literal error specific to author.
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