tesseract  4.0.0-1-g2a2b
lstmeval.cpp File Reference
#include "commontraining.h"
#include "genericvector.h"
#include "lstmtester.h"
#include "strngs.h"
#include "tprintf.h"

Go to the source code of this file.

Functions

 STRING_PARAM_FLAG (model, "", "Name of model file (training or recognition)")
 
 STRING_PARAM_FLAG (traineddata, "", "If model is a training checkpoint, then traineddata must " "be the traineddata file that was given to the trainer")
 
 STRING_PARAM_FLAG (eval_listfile, "", "File listing sample files in lstmf training format.")
 
 INT_PARAM_FLAG (max_image_MB, 2000, "Max memory to use for images.")
 
 INT_PARAM_FLAG (verbosity, 1, "Amount of diagnosting information to output (0-2).")
 
int main (int argc, char **argv)
 

Function Documentation

◆ INT_PARAM_FLAG() [1/2]

INT_PARAM_FLAG ( max_image_MB  ,
2000  ,
"Max memory to use for images."   
)

◆ INT_PARAM_FLAG() [2/2]

INT_PARAM_FLAG ( verbosity  ,
,
"Amount of diagnosting information to output (0-2)."   
)

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 38 of file lstmeval.cpp.

38  {
39  tesseract::CheckSharedLibraryVersion();
40  ParseArguments(&argc, &argv);
41  if (FLAGS_model.empty()) {
42  tprintf("Must provide a --model!\n");
43  return 1;
44  }
45  if (FLAGS_eval_listfile.empty()) {
46  tprintf("Must provide a --eval_listfile!\n");
47  return 1;
48  }
50  if (!mgr.Init(FLAGS_model.c_str())) {
51  if (FLAGS_traineddata.empty()) {
52  tprintf("Must supply --traineddata to eval a training checkpoint!\n");
53  return 1;
54  }
55  tprintf("%s is not a recognition model, trying training checkpoint...\n",
56  FLAGS_model.c_str());
57  if (!mgr.Init(FLAGS_traineddata.c_str())) {
58  tprintf("Failed to load language model from %s!\n",
59  FLAGS_traineddata.c_str());
60  return 1;
61  }
62  GenericVector<char> model_data;
63  if (!tesseract::LoadDataFromFile(FLAGS_model.c_str(), &model_data)) {
64  tprintf("Failed to load model from: %s\n", FLAGS_model.c_str());
65  return 1;
66  }
67  mgr.OverwriteEntry(tesseract::TESSDATA_LSTM, &model_data[0],
68  model_data.size());
69  }
70  tesseract::LSTMTester tester(static_cast<int64_t>(FLAGS_max_image_MB) *
71  1048576);
72  if (!tester.LoadAllEvalData(FLAGS_eval_listfile.c_str())) {
73  tprintf("Failed to load eval data from: %s\n", FLAGS_eval_listfile.c_str());
74  return 1;
75  }
76  double errs = 0.0;
77  STRING result =
78  tester.RunEvalSync(0, &errs, mgr,
79  /*training_stage (irrelevant)*/ 0, FLAGS_verbosity);
80  tprintf("%s\n", result.string());
81  return 0;
82 } /* main */
int size() const
Definition: genericvector.h:71
void OverwriteEntry(TessdataType type, const char *data, int size)
const char * string() const
Definition: strngs.cpp:196
void ParseArguments(int *argc, char ***argv)
bool Init(const char *data_file_name)
DLLSYM void tprintf(const char *format,...)
Definition: tprintf.cpp:37
Definition: strngs.h:45
bool LoadDataFromFile(const char *filename, GenericVector< char > *data)

◆ STRING_PARAM_FLAG() [1/3]

STRING_PARAM_FLAG ( model  ,
""  ,
"Name of model file (training or recognition)"   
)

◆ STRING_PARAM_FLAG() [2/3]

STRING_PARAM_FLAG ( traineddata  ,
""  ,
"If model is a training  checkpoint,
then traineddata must " "be the traineddata file that was given to the trainer"   
)

◆ STRING_PARAM_FLAG() [3/3]

STRING_PARAM_FLAG ( eval_listfile  ,
""  ,
"File listing sample files in lstmf training format."   
)