When comparing Copyfish vs GOCR, the Slant community recommends GOCR for most people. In the question“What are the best OCR libraries?” GOCR is ranked 2nd while Copyfish is ranked 3rd. The most important reason people chose GOCR is:
GOCR is very easy to use and it's callable from the command line. Just type `gocr -h` and you will have all the available commands with the needed information on how to use them.
Specs
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Pros
Pro Scripting API
With the SeeShell scripting API you can access SeeShell’s web automation functionality from any programming language that supports COM. Whether using VBS, PowerShell, C#, Visual Basic, Python, Java or any other programming or scripting language that runs on Windows.
Pro Easy, straightforward use
GOCR is very easy to use and it's callable from the command line. Just type gocr -h
and you will have all the available commands with the needed information on how to use them.
Pro Can be used with different frontends
Since GOCR is compatible with multiple different frontends, it can be very easy to port it to different operating systems.
Cons
Con Couldn't OCR a clean pdf saved to file (containing images only), converted to pnm (GOCR native format)
Con Fails with multiline layouts
GOCR does not work very well with multiline layouts.