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https://github.com/tesseract-ocr/tesseract.git
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82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////
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// File: lm_state.cpp
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// Description: Structures and functionality for capturing the state of
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// segmentation search guided by the language model.
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// Author: Rika Antonova
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// Created: Mon Jun 20 11:26:43 PST 2012
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//
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// (C) Copyright 2012, Google Inc.
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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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//
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///////////////////////////////////////////////////////////////////////
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#include "lm_state.h"
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namespace tesseract {
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ELISTIZE(ViterbiStateEntry)
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void ViterbiStateEntry::Print(const char *msg) const {
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tprintf("%s ViterbiStateEntry", msg);
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if (updated) tprintf("(NEW)");
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if (this->debug_str != nullptr) {
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tprintf(" str=%s", this->debug_str->string());
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}
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tprintf(" with ratings_sum=%.4f length=%d cost=%.6f",
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this->ratings_sum, this->length, this->cost);
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if (this->top_choice_flags) {
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tprintf(" top_choice_flags=0x%x", this->top_choice_flags);
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}
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if (!this->Consistent()) {
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tprintf(" inconsistent=(punc %d case %d chartype %d script %d font %d)",
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this->consistency_info.NumInconsistentPunc(),
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this->consistency_info.NumInconsistentCase(),
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this->consistency_info.NumInconsistentChartype(),
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this->consistency_info.inconsistent_script,
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this->consistency_info.inconsistent_font);
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}
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if (this->dawg_info) tprintf(" permuter=%d", this->dawg_info->permuter);
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if (this->ngram_info) {
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tprintf(" ngram_cl_cost=%g context=%s ngram pruned=%d",
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this->ngram_info->ngram_and_classifier_cost,
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this->ngram_info->context.string(),
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this->ngram_info->pruned);
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}
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if (this->associate_stats.shape_cost > 0.0f) {
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tprintf(" shape_cost=%g", this->associate_stats.shape_cost);
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}
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tprintf(" %s",
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XHeightConsistencyEnumName[this->consistency_info.xht_decision]);
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tprintf("\n");
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}
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/// Clears the viterbi search state back to its initial conditions.
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void LanguageModelState::Clear() {
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viterbi_state_entries.clear();
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viterbi_state_entries_prunable_length = 0;
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viterbi_state_entries_prunable_max_cost = MAX_FLOAT32;
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viterbi_state_entries_length = 0;
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}
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void LanguageModelState::Print(const char *msg) {
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tprintf("%s VSEs (max_cost=%g prn_len=%d tot_len=%d):\n",
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msg, viterbi_state_entries_prunable_max_cost,
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viterbi_state_entries_prunable_length, viterbi_state_entries_length);
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ViterbiStateEntry_IT vit(&viterbi_state_entries);
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for (vit.mark_cycle_pt(); !vit.cycled_list(); vit.forward()) {
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vit.data()->Print("");
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}
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}
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} // namespace tesseract
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