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