tesseract  v4.0.0-17-g361f3264
Open Source OCR Engine
tovars.h
1 /**********************************************************************
2  * File: tovars.h (Formerly to_vars.h)
3  * Description: Variables used by textord.
4  * Author: Ray Smith
5  * Created: Tue Aug 24 16:55:02 BST 1993
6  *
7  * (C) Copyright 1993, Hewlett-Packard Ltd.
8  ** Licensed under the Apache License, Version 2.0 (the "License");
9  ** you may not use this file except in compliance with the License.
10  ** You may obtain a copy of the License at
11  ** http://www.apache.org/licenses/LICENSE-2.0
12  ** Unless required by applicable law or agreed to in writing, software
13  ** distributed under the License is distributed on an "AS IS" BASIS,
14  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  ** See the License for the specific language governing permissions and
16  ** limitations under the License.
17  *
18  **********************************************************************/
19 
20 #ifndef TOVARS_H
21 #define TOVARS_H
22 
23 #include "params.h"
24 
25 extern BOOL_VAR_H (textord_show_initial_words, FALSE,
26 "Display separate words");
27 extern BOOL_VAR_H (textord_show_new_words, FALSE, "Display separate words");
28 extern BOOL_VAR_H (textord_show_fixed_words, FALSE,
29 "Display forced fixed pitch words");
30 extern BOOL_VAR_H (textord_blocksall_fixed, FALSE, "Moan about prop blocks");
31 extern BOOL_VAR_H (textord_blocksall_prop, FALSE,
32 "Moan about fixed pitch blocks");
33 extern BOOL_VAR_H (textord_blocksall_testing, FALSE,
34 "Dump stats when moaning");
35 extern BOOL_VAR_H (textord_test_mode, FALSE, "Do current test");
36 extern INT_VAR_H (textord_dotmatrix_gap, 3,
37 "Max pixel gap for broken pixed pitch");
38 extern INT_VAR_H (textord_debug_block, 0, "Block to do debug on");
39 extern INT_VAR_H (textord_pitch_range, 2, "Max range test on pitch");
40 extern double_VAR_H (textord_wordstats_smooth_factor, 0.05,
41 "Smoothing gap stats");
42 extern double_VAR_H (textord_width_smooth_factor, 0.10,
43 "Smoothing width stats");
44 extern double_VAR_H (textord_words_width_ile, 0.4,
45 "Ile of blob widths for space est");
46 extern double_VAR_H (textord_words_maxspace, 4.0, "Multiple of xheight");
47 extern double_VAR_H (textord_words_default_maxspace, 3.5,
48 "Max believable third space");
49 extern double_VAR_H (textord_words_default_minspace, 0.6,
50 "Fraction of xheight");
51 extern double_VAR_H (textord_words_min_minspace, 0.3, "Fraction of xheight");
52 extern double_VAR_H (textord_words_default_nonspace, 0.2,
53 "Fraction of xheight");
54 extern double_VAR_H(textord_words_initial_lower, 0.25,
55  "Max initial cluster size");
56 extern double_VAR_H (textord_words_initial_upper, 0.15,
57 "Min initial cluster spacing");
58 extern double_VAR_H (textord_words_minlarge, 0.75,
59 "Fraction of valid gaps needed");
60 extern double_VAR_H (textord_words_pitchsd_threshold, 0.025,
61 "Pitch sync threshold");
62 extern double_VAR_H (textord_words_def_fixed, 0.01,
63 "Threshold for definite fixed");
64 extern double_VAR_H (textord_words_def_prop, 0.06,
65 "Threshold for definite prop");
66 extern INT_VAR_H (textord_words_veto_power, 5,
67 "Rows required to outvote a veto");
68 extern double_VAR_H (textord_pitch_rowsimilarity, 0.08,
69 "Fraction of xheight for sameness");
70 extern BOOL_VAR_H (textord_pitch_scalebigwords, FALSE,
71 "Scale scores on big words");
72 extern double_VAR_H(words_initial_lower, 0.5, "Max initial cluster size");
73 extern double_VAR_H (words_initial_upper, 0.15,
74 "Min initial cluster spacing");
75 extern double_VAR_H (words_default_prop_nonspace, 0.25,
76 "Fraction of xheight");
77 extern double_VAR_H (words_default_fixed_space, 0.75, "Fraction of xheight");
78 extern double_VAR_H (words_default_fixed_limit, 0.6, "Allowed size variance");
79 extern double_VAR_H (textord_words_definite_spread, 0.30,
80 "Non-fuzzy spacing region");
81 extern double_VAR_H (textord_spacesize_ratiofp, 2.8,
82 "Min ratio space/nonspace");
83 extern double_VAR_H (textord_spacesize_ratioprop, 2.0,
84 "Min ratio space/nonspace");
85 extern double_VAR_H (textord_fpiqr_ratio, 1.5, "Pitch IQR/Gap IQR threshold");
86 extern double_VAR_H (textord_max_pitch_iqr, 0.20,
87 "Xh fraction noise in pitch");
88 extern double_VAR_H (textord_fp_min_width, 0.5, "Min width of decent blobs");
89 #endif