| textline_r2.cc (ocrad-0.24) | : | textline_r2.cc (ocrad-0.25) |
|---|
| /* GNU Ocrad - Optical Character Recognition program | | /* GNU Ocrad - Optical Character Recognition program |
|
| Copyright (C) 2003-2014 Antonio Diaz Diaz. | | Copyright (C) 2003-2015 Antonio Diaz Diaz. |
| | |
| This program is free software: you can redistribute it and/or modify | | This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by | | it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, either version 2 of the License, or | | the Free Software Foundation, either version 2 of the License, or |
| (at your option) any later version. | | (at your option) any later version. |
| | |
| This program is distributed in the hope that it will be useful, | | This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. | | GNU General Public License for more details. |
| | |
| skipping to change at line 239 | | skipping to change at line 239 |
|---|
| Character c1( new Blob( b1 ) ); | | Character c1( new Blob( b1 ) ); |
| Character c2( new Blob( b2 ) ); | | Character c2( new Blob( b2 ) ); |
| for( int j = 0; j < c.blobs(); ++j ) if( j != ib ) | | for( int j = 0; j < c.blobs(); ++j ) if( j != ib ) |
| { | | { |
| const Blob & bj = c.blob( j ); | | const Blob & bj = c.blob( j ); |
| if( c1.includes_hcenter( bj ) ) c1.shift_blobp( new Blob( bj ) ); | | if( c1.includes_hcenter( bj ) ) c1.shift_blobp( new Blob( bj ) ); |
| else if( c2.includes_hcenter( bj ) ) c2.shift_blobp( new Blob( bj ) ); | | else if( c2.includes_hcenter( bj ) ) c2.shift_blobp( new Blob( bj ) ); |
| } | | } |
| c1.recognize1( charset, charbox( c1 ) ); | | c1.recognize1( charset, charbox( c1 ) ); |
| c2.recognize1( charset, charbox( c2 ) ); | | c2.recognize1( charset, charbox( c2 ) ); |
|
| if( ( c1.guesses() && c2.guesses() ) || | | const bool good_c2 = ( c2.guesses() && c2.guess( 0 ).code != '\'' ); |
| ( ( c1.guesses() || c2.guesses() ) && c.width() > c.height() ) ) | | if( ( c1.guesses() && good_c2 ) || |
| | ( ( c1.guesses() || good_c2 ) && c.width() > c.height() ) ) |
| { | | { |
| c = c1; shift_characterp( new Character( c2 ) ); | | c = c1; shift_characterp( new Character( c2 ) ); |
| if( !c1.guesses() ) --i; else if( c2.guesses() ) ++i; | | if( !c1.guesses() ) --i; else if( c2.guesses() ) ++i; |
| } | | } |
| } | | } |
| } | | } |
| | |
| // try to recognize 1 blob unrecognized characters with holes by | | // try to recognize 1 blob unrecognized characters with holes by |
| // removing small holes (noise) | | // removing small holes (noise) |
| for( int i = big_initials(); i < characters(); ++i ) | | for( int i = big_initials(); i < characters(); ++i ) |
| | |
| skipping to change at line 380 | | skipping to change at line 381 |
|---|
| if( j >= characters() || !character( j ).guesses() ) | | if( j >= characters() || !character( j ).guesses() ) |
| { j = i - 1; if( j < big_initials() || !character( j ).guesses() ) conti
nue; } | | { j = i - 1; if( j < big_initials() || !character( j ).guesses() ) conti
nue; } |
| Character & c2 = character( j ); | | Character & c2 = character( j ); |
| if( UCS::isvowel( c2.guess( 0 ).code ) && | | if( UCS::isvowel( c2.guess( 0 ).code ) && |
| c1.bottom() >= c2.bottom() + ( c2.height() / 4 ) ) | | c1.bottom() >= c2.bottom() + ( c2.height() / 4 ) ) |
| c1.insert_guess( 0, 'j', 1 ); | | c1.insert_guess( 0, 'j', 1 ); |
| } | | } |
| } | | } |
| | |
| // transform small o or u with accent or diaeresis to capital | | // transform small o or u with accent or diaeresis to capital |
|
| | // transform small s or z with caron to capital |
| { | | { |
| int begin = big_initials(); | | int begin = big_initials(); |
| bool isolated = false; // isolated letters compare with all line | | bool isolated = false; // isolated letters compare with all line |
| for( int i = big_initials(); i < characters(); ++i ) | | for( int i = big_initials(); i < characters(); ++i ) |
| { | | { |
| Character & c1 = character( i ); | | Character & c1 = character( i ); |
| if( c1.guesses() >= 1 ) | | if( c1.guesses() >= 1 ) |
| { | | { |
| if( c1.maybe(' ') ) | | if( c1.maybe(' ') ) |
| { | | { |
| if( i + 2 < characters() && character( i + 2 ).maybe(' ') ) | | if( i + 2 < characters() && character( i + 2 ).maybe(' ') ) |
| { begin = big_initials(); isolated = true; } | | { begin = big_initials(); isolated = true; } |
| else { begin = i + 1; isolated = false; } | | else { begin = i + 1; isolated = false; } |
| continue; | | continue; |
| } | | } |
| int code = c1.guess( 0 ).code; | | int code = c1.guess( 0 ).code; |
| if( code < 128 || c1.blobs() < 2 ) continue; | | if( code < 128 || c1.blobs() < 2 ) continue; |
| int codeb = UCS::base_letter( code ); | | int codeb = UCS::base_letter( code ); |
|
| if( codeb != 'o' && codeb != 'u' ) continue; | | if( codeb != 'o' && codeb != 'u' && codeb != 's' && codeb != 'z' ) |
| | continue; |
| const Blob & b1 = c1.blob( c1.blobs() - 1 ); // lower blob | | const Blob & b1 = c1.blob( c1.blobs() - 1 ); // lower blob |
| for( int j = begin; j < characters(); ++j ) if( j != i ) | | for( int j = begin; j < characters(); ++j ) if( j != i ) |
| { | | { |
| Character & c2 = character( j ); | | Character & c2 = character( j ); |
| if( c2.guesses() >= 1 ) | | if( c2.guesses() >= 1 ) |
| { | | { |
| if( c2.maybe(' ') ) { if( isolated ) continue; else break; } | | if( c2.maybe(' ') ) { if( isolated ) continue; else break; } |
| int code2 = c2.guess( 0 ).code; | | int code2 = c2.guess( 0 ).code; |
| int code2b = UCS::base_letter( code2 ); | | int code2b = UCS::base_letter( code2 ); |
| if( !code2b && code2 >= 128 ) continue; | | if( !code2b && code2 >= 128 ) continue; |
| | |
| skipping to change at line 769 | | skipping to change at line 772 |
|---|
| { | | { |
| int code1 = c1.guess( 0 ).code; | | int code1 = c1.guess( 0 ).code; |
| int code2 = c2.guess( 0 ).code; | | int code2 = c2.guess( 0 ).code; |
| if( code1 == 'n' && ( code2 == 'I' || code2 == 'l' ) && | | if( code1 == 'n' && ( code2 == 'I' || code2 == 'l' ) && |
| Ocrad::similar( c1.height(), c2.height(), 10 ) && | | Ocrad::similar( c1.height(), c2.height(), 10 ) && |
| c2.left() - c1.right() < c2.width() ) | | c2.left() - c1.right() < c2.width() ) |
| { c1.join( c2 ); c1.only_guess( 'm', 0 ); delete_character( i + 1 ); } | | { c1.join( c2 ); c1.only_guess( 'm', 0 ); delete_character( i + 1 ); } |
| } | | } |
| } | | } |
| | |
|
| | // separate merged 'VV' |
| | { |
| | int mean_upper_width = 0; |
| | for( int i = big_initials(); i < characters(); ++i ) |
| | { |
| | Character & c = character( i ); |
| | if( !c.guesses() || c.guess( 0 ).code != 'W' || c.width() <= c.height() || |
| | c.blobs() != 1 || c.blob( 0 ).holes() ) continue; |
| | if( mean_upper_width == 0 ) |
| | { |
| | int count = 0; |
| | for( int j = big_initials(); j < characters(); ++j ) |
| | { |
| | const Character & cj = character( j ); |
| | if( cj.guesses() && UCS::isupper_normal_width( cj.guess( 0 ).code ) ) |
| | { mean_upper_width += cj.width(); ++count; } |
| | } |
| | if( count <= 0 ) break; // no characters to compare |
| | mean_upper_width /= count; |
| | } |
| | if( c.width() < 2 * mean_upper_width ) continue; |
| | const Blob & b = c.blob( 0 ); |
| | int row = b.bottom(); |
| | while( row >= b.top() && b.id( row, b.hcenter() ) == 0 ) --row; |
| | if( row >= b.vpos( 20 ) ) continue; |
| | Rectangle r1( b.left(), b.top(), b.hcenter() - 1, b.bottom() ); |
| | Rectangle r2( b.hcenter() + 1, b.top(), b.right(), b.bottom() ); |
| | Blob b1( b, r1 ); |
| | Blob b2( b, r2 ); |
| | b1.adjust_height(); |
| | b2.adjust_height(); |
| | if( 2 * b1.height() < b.height() || 2 * b2.height() < b.height() || |
| | !Ocrad::similar( b1.height(), b2.height(), 10, 2 ) ) continue; |
| | Character c1( new Blob( b1 ) ); |
| | Character c2( new Blob( b2 ) ); |
| | c1.only_guess( 'V', 0 ); |
| | c2.only_guess( 'V', 0 ); |
| | c = c1; |
| | ++i; cpv.insert( cpv.begin() + i, new Character( c2 ) ); |
| | } |
| | } |
| | |
| // join the secuence '', '/', 'o', ' ' into a '%' | | // join the secuence '', '/', 'o', ' ' into a '%' |
| for( int i = big_initials(); i + 2 < characters(); ++i ) | | for( int i = big_initials(); i + 2 < characters(); ++i ) |
| { | | { |
| Character & c1 = character( i ); | | Character & c1 = character( i ); |
| if( c1.guesses() == 1 && c1.guess( 0 ).code == UCS::DEG ) | | if( c1.guesses() == 1 && c1.guess( 0 ).code == UCS::DEG ) |
| { | | { |
| if( character( i + 1 ).maybe('/') && | | if( character( i + 1 ).maybe('/') && |
| character( i + 2 ).maybe('o') && | | character( i + 2 ).maybe('o') && |
| ( i + 3 >= characters() || character( i + 3 ).maybe(' ') ) ) | | ( i + 3 >= characters() || character( i + 3 ).maybe(' ') ) ) |
| { | | { |
| | | |
| End of changes. 5 change blocks. |
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| 4 lines changed or deleted | | 49 lines changed or added |
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