mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-05 10:49:01 +08:00
76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
// Copyright 2011 Google Inc. All Rights Reserved.
|
|
// Author: rays@google.com (Ray Smith)
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Filename: shapeclustering.cpp
|
|
// Purpose: Generates a master shape table to merge similarly-shaped
|
|
// training data of whole, partial or multiple characters.
|
|
// Author: Ray Smith
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config_auto.h"
|
|
#endif
|
|
|
|
#ifndef USE_STD_NAMESPACE
|
|
#include "base/commandlineflags.h"
|
|
#endif
|
|
#include "commontraining.h"
|
|
#include "mastertrainer.h"
|
|
#include "params.h"
|
|
#include "strngs.h"
|
|
|
|
INT_PARAM_FLAG(display_cloud_font, -1,
|
|
"Display cloud of this font, canonical_class1");
|
|
INT_PARAM_FLAG(display_canonical_font, -1,
|
|
"Display canonical sample of this font, canonical_class2");
|
|
STRING_PARAM_FLAG(canonical_class1, "", "Class to show ambigs for");
|
|
STRING_PARAM_FLAG(canonical_class2, "", "Class to show ambigs for");
|
|
|
|
// Loads training data, if requested displays debug information, otherwise
|
|
// creates the master shape table by shape clustering and writes it to a file.
|
|
// If FLAGS_display_cloud_font is set, then the cloud features of
|
|
// FLAGS_canonical_class1/FLAGS_display_cloud_font are shown in green ON TOP
|
|
// OF the red canonical features of FLAGS_canonical_class2/
|
|
// FLAGS_display_canonical_font, so as to show which canonical features are
|
|
// NOT in the cloud.
|
|
// Otherwise, if FLAGS_canonical_class1 is set, prints a table of font-wise
|
|
// cluster distances between FLAGS_canonical_class1 and FLAGS_canonical_class2.
|
|
int main(int argc, char **argv) {
|
|
ParseArguments(&argc, &argv);
|
|
|
|
STRING file_prefix;
|
|
tesseract::MasterTrainer* trainer =
|
|
tesseract::LoadTrainingData(argc, argv, false, nullptr, &file_prefix);
|
|
|
|
if (!trainer)
|
|
return 1;
|
|
|
|
if (FLAGS_display_cloud_font >= 0) {
|
|
#ifndef GRAPHICS_DISABLED
|
|
trainer->DisplaySamples(FLAGS_canonical_class1.c_str(),
|
|
FLAGS_display_cloud_font,
|
|
FLAGS_canonical_class2.c_str(),
|
|
FLAGS_display_canonical_font);
|
|
#endif // GRAPHICS_DISABLED
|
|
return 0;
|
|
} else if (!FLAGS_canonical_class1.empty()) {
|
|
trainer->DebugCanonical(FLAGS_canonical_class1.c_str(),
|
|
FLAGS_canonical_class2.c_str());
|
|
return 0;
|
|
}
|
|
trainer->SetupMasterShapes();
|
|
WriteShapeTable(file_prefix, trainer->master_shapes());
|
|
delete trainer;
|
|
|
|
return 0;
|
|
} /* main */
|