read_ocr_trainfT_read_ocr_trainfReadOcrTrainfReadOcrTrainf (Operator)

Name

read_ocr_trainfT_read_ocr_trainfReadOcrTrainfReadOcrTrainf — Read training characters from files and convert to images.

Signature

read_ocr_trainf( : Characters : TrainingFile : CharacterNames)

read_ocr_trainfread_ocr_trainfReadOcrTrainfReadOcrTrainfReadOcrTrainf reads all characters from the specified file names and converts them into images. The default HALCON file extension for the OCR training file is 'trf'. The domain is defined according to the foreground of the characters (as specified in write_ocr_trainfwrite_ocr_trainfWriteOcrTrainfWriteOcrTrainfWriteOcrTrainf). The names of the characters are returned in CharacterNamesCharacterNamesCharacterNamesCharacterNamescharacterNames. If more than one file name is given the files are processed in the order of the file names.

Execution Information

Multithreading type: reentrant (runs in parallel with non-exclusive operators).
Multithreading scope: global (may be called from any thread).
Processed without parallelization.

Parameters

CharactersCharactersCharactersCharacterscharacters (output_object) image-array → object (byte / uint2)

Images read from file.

TrainingFileTrainingFileTrainingFileTrainingFiletrainingFile (input_control) filename.read(-array) → (string)

Names of the training files.

Default value: '' "" "" "" ""

File extension: .trf, .otr

CharacterNamesCharacterNamesCharacterNamesCharacterNamescharacterNames (output_control) string-array → (string)

Names of the read characters.

Result

If the parameter values are correct the operator read_ocr_trainfread_ocr_trainfReadOcrTrainfReadOcrTrainfReadOcrTrainf returns the value 2 (H_MSG_TRUE). Otherwise an exception is raised.

Possible Predecessors

write_ocr_trainfwrite_ocr_trainfWriteOcrTrainfWriteOcrTrainfWriteOcrTrainf

Possible Successors

disp_imagedisp_imageDispImageDispImageDispImage, select_objselect_objSelectObjSelectObjSelectObj, zoom_image_sizezoom_image_sizeZoomImageSizeZoomImageSizeZoomImageSize

Alternatives

read_ocr_trainf_selectread_ocr_trainf_selectReadOcrTrainfSelectReadOcrTrainfSelectReadOcrTrainfSelect

Module

OCR/OCV

Operators