More Changes to training for 3.00

git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@306 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2024-11-24 02:59:07 +08:00 · 2009-07-11 02:51:09 +00:00 · 2009-07-11 02:51:09 +00:00 · 16c84ed6ec
commit 16c84ed6ec
parent d8b1456dd5
1 changed files with 154 additions and 0 deletions
--- a/training/commontraining.h
+++ b/training/commontraining.h
@ -0,0 +1,154 @@
+// Copyright 2008 Google Inc. All Rights Reserved.
+// Author: scharron@google.com (Samuel Charron)
+//
+// 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.
+
+#ifndef TESSERACT_TRAINING_COMMONTRAINING_H__
+#define TESSERACT_TRAINING_COMMONTRAINING_H__
+
+#include "oldlist.h"
+#include "cluster.h"
+#include "intproto.h"
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Macros ////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+#define MAXNAMESIZE     80
+#define MINSD_ANGLE     (1.0f / 64.0f)
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Globals ///////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+extern BOOL8 ShowSignificantProtos;
+extern BOOL8 ShowInsignificantProtos;
+extern BOOL8 ShowAllSamples;
+
+// Must be defined in the file that "implements" commonTraining facilities.
+extern CLUSTERCONFIG Config;
+extern FLOAT32 RoundingAccuracy;
+
+extern char CTFontName[MAXNAMESIZE];
+// globals used for parsing command line arguments
+extern char *Directory;
+
+extern const char* test_ch;
+
+extern const char *InputUnicharsetFile;
+extern const char *OutputUnicharsetFile;
+
+extern const char *InputFontInfoFile;
+
+// The unicharset used during training
+extern UNICHARSET unicharset_training;
+
+//////////////////////////////////////////////////////////////////////////////
+// Structs ///////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+typedef struct
+{
+  char  *Label;
+  int   SampleCount;
+  LIST  List;
+}
+LABELEDLISTNODE, *LABELEDLIST;
+
+typedef struct
+{
+  char* Label;
+  int   NumMerged[MAX_NUM_PROTOS];
+  CLASS_TYPE Class;
+}MERGE_CLASS_NODE;
+typedef MERGE_CLASS_NODE* MERGE_CLASS;
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Functions /////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+void ParseArguments(
+    int         argc,
+    char        **argv);
+
+char *GetNextFilename(int Argc, char** argv);
+
+LABELEDLIST FindList(
+    LIST        List,
+    char        *Label);
+
+LABELEDLIST NewLabeledList(
+    const char  *Label);
+
+void WriteTrainingSamples(
+    char        *Directory,
+    LIST        CharList,
+    const char  *program_feature_type);
+
+void FreeTrainingSamples(
+    LIST        CharList);
+
+void FreeLabeledList(
+    LABELEDLIST LabeledList);
+
+void FreeLabeledClassList(
+    LIST        ClassListList);
+
+CLUSTERER *SetUpForClustering(
+    LABELEDLIST CharSample,
+    const char  *program_feature_type);
+
+LIST RemoveInsignificantProtos(
+    LIST        ProtoList,
+    BOOL8       KeepSigProtos,
+    BOOL8       KeepInsigProtos,
+    int         N);
+
+void CleanUpUnusedData(
+    LIST        ProtoList);
+
+void MergeInsignificantProtos(
+    LIST        ProtoList,
+    const char  *label,
+    CLUSTERER   *Clusterer,
+    CLUSTERCONFIG *Config);
+
+MERGE_CLASS FindClass(
+    LIST        List,
+    char        *Label);
+
+MERGE_CLASS NewLabeledClass(
+    char        *Label);
+
+void FreeTrainingSamples(
+    LIST        CharList);
+
+void SetUpForFloat2Int(
+    LIST        LabeledClassList);
+
+void Normalize(
+    float       *Values);
+
+void FreeNormProtoList(
+    LIST        CharList);
+
+void AddToNormProtosList(
+    LIST*       NormProtoList,
+    LIST        ProtoList,
+    char        *CharName);
+
+int NumberOfProtos(
+    LIST        ProtoList,
+    BOOL8       CountSigProtos,
+    BOOL8       CountInsigProtos);
+
+
+void allocNormProtos();
+#endif  // TESSERACT_TRAINING_COMMONTRAINING_H__