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read_ocr_trainf_selectReadOcrTrainfSelectReadOcrTrainfSelectread_ocr_trainf_selectread_ocr_trainf_select🔗

Short description🔗

read_ocr_trainf_selectReadOcrTrainfSelectReadOcrTrainfSelectread_ocr_trainf_selectread_ocr_trainf_select — Read training specific characters from files and convert to images.

Signature🔗

read_ocr_trainf_select( out image Characters, filename.read TrainingFile, string SearchNames, out string FoundNames )void ReadOcrTrainfSelect( HObject* Characters, const HTuple& TrainingFile, const HTuple& SearchNames, HTuple* FoundNames )static void HOperatorSet.ReadOcrTrainfSelect( out HObject characters, HTuple trainingFile, HTuple searchNames, out HTuple foundNames )def read_ocr_trainf_select( training_file: MaybeSequence[str], search_names: MaybeSequence[str] ) -> Tuple[HObject, Sequence[str]]

def read_ocr_trainf_select_s( training_file: MaybeSequence[str], search_names: MaybeSequence[str] ) -> Tuple[HObject, str]Herror read_ocr_trainf_select( Hobject* Characters, const char* TrainingFile, const char* SearchNames, char* FoundNames )

Herror T_read_ocr_trainf_select( Hobject* Characters, const Htuple TrainingFile, const Htuple SearchNames, Htuple* FoundNames )

HTuple HImage::ReadOcrTrainfSelect( const HTuple& TrainingFile, const HTuple& SearchNames )

HString HImage::ReadOcrTrainfSelect( const HString& TrainingFile, const HString& SearchNames )

HString HImage::ReadOcrTrainfSelect( const char* TrainingFile, const char* SearchNames )

HString HImage::ReadOcrTrainfSelect( const wchar_t* TrainingFile, const wchar_t* SearchNames ) (Windows only)

HTuple HImage.ReadOcrTrainfSelect( HTuple trainingFile, HTuple searchNames )

string HImage.ReadOcrTrainfSelect( string trainingFile, string searchNames )

Description🔗

read_ocr_trainf_selectReadOcrTrainfSelect reads the characters given in SearchNamessearchNamessearch_names from the specified files and converts them into images. It works similar to read_ocr_trainfReadOcrTrainf but here the characters which are extracted can be specified.

Execution information🔗

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🔗

Characterscharacterscharacters (output_object) image-array → object (byte / uint2)HObject (byte / uint2)HImage (byte / uint2)HObject (byte / uint2)Hobject * (byte / uint2)

Images read from file.

TrainingFiletrainingFiletraining_file (input_control) filename.read(-array) → (string)HTuple (HString)HTuple (string)MaybeSequence[str]Htuple (char*)

Names of the training files.

Default: ''""
File extension: .trf, .otr

SearchNamessearchNamessearch_names (input_control) string(-array) → (string)HTuple (HString)HTuple (string)MaybeSequence[str]Htuple (char*)

Names of the characters to be extracted.

Default: '0'"0"

FoundNamesfoundNamesfound_names (output_control) string(-array) → (string)HTuple (HString)HTuple (string)Sequence[str]Htuple (char*)

Names of the read characters.

Result🔗

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

Combinations with other operators🔗

Combinations

Possible predecessors

write_ocr_trainfWriteOcrTrainf

Possible successors

disp_imageDispImage, select_objSelectObj, zoom_image_sizeZoomImageSize

Alternatives

read_ocr_trainfReadOcrTrainf

Module🔗

OCR/OCV