• Guillaume Lazzara's avatar
    Add a new deskew algorithm. · 99e2b8fc
    Guillaume Lazzara authored
    	* preprocessing/deskew.hh,
    	* preprocessing/deskew_crop.hh: New.
    
    	* preprocessing/unskew.hh: Remove. Deprecated.
    
    	* tests/preprocessing/unskew.cc: Rename as...
    	* tests/preprocessing/deskew.cc: ... this.
    
    	* tests/preprocessing/Makefile.am: Update.
    
    	* tests/img/text_to_group.pgm: New test image.
    99e2b8fc