do_ocr_multiT_do_ocr_multiDoOcrMultiDoOcrMultido_ocr_multi (算子名称)

名称

do_ocr_multiT_do_ocr_multiDoOcrMultiDoOcrMultido_ocr_multi — Classify characters.

警告

do_ocr_multido_ocr_multiDoOcrMultiDoOcrMultiDoOcrMultido_ocr_multi is obsolete and is only provided for reasons of backward compatibility. New applications should use the MLP, SVM or CNN based operators instead.

参数签名

do_ocr_multi(Character, Image : : OcrHandle : Class, Confidence)

描述

该算子 do_ocr_multido_ocr_multiDoOcrMultiDoOcrMultiDoOcrMultido_ocr_multi assigns a class to every CharacterCharacterCharacterCharactercharactercharacter (character). For gray value features the gray values from the surrounding rectangles of the regions are used. The gray values will be taken from the parameter ImageImageImageImageimageimage. For each character the corresponding class will be returned in ClassClassClassClassclassValclass and a confidence value will be returned in ConfidenceConfidenceConfidenceConfidenceconfidenceconfidence. The confidence value indicates the similarity between the input pattern and the assigned character.

运行信息

多线程类型:可重入(与非独占操作符并行运行)。
多线程作用域:全局(可以从任何线程调用)。
在元组级别自动并行化。

参数表

CharacterCharacterCharacterCharactercharactercharacter (input_object) region(-array) → object

Characters to be recognized.

ImageImageImageImageimageimage (input_object) singlechannelimage → object (byte / uint2)

Gray values for the characters.

OcrHandleOcrHandleOcrHandleOcrHandleocrHandleocr_handle (input_control) ocr_box → (handle)

ID of the OCR classifier.

ClassClassClassClassclassValclass (output_control) string(-array) → (string)

Class (name) of the characters.

Number of elements: Class == Character

ConfidenceConfidenceConfidenceConfidenceconfidenceconfidence (output_control) real(-array) → (real)

Confidence values of the characters.

Number of elements: Confidence == Character

例程 (C)

char Class[128];
Hlong orc_handle;
read_ocr("testnet",&orc_handle);
read_image(&Image,"character.tiff");
binary_threshold(Image,&Dark, 'otsu', 'dark', &UsedThreshold);
connection(Dark,&Character);
count_obj(Character,&num);
open_window(0,0,-1,-1,0,"","",&WindowHandle);
for (i=0; i<num; i++) {
  select_obj(Character,&SingleCharacter,i);
    do_ocr_multi(SingleCharacter,Image,orc_handle,&Class,NULL);
  smallest_rectangle1(SingleCharacter,NULL,&col,&row,);
  set_tposition(row,col);
  write_string(WindowHandle,Class);
}

结果

If the input parameters are correct, 该算子 do_ocr_singledo_ocr_singleDoOcrSingleDoOcrSingleDoOcrSingledo_ocr_single 返回值 2 ( H_MSG_TRUE) . Otherwise an exception will be raised.

可能的前置算子

traind_ocr_class_boxtraind_ocr_class_boxTraindOcrClassBoxTraindOcrClassBoxTraindOcrClassBoxtraind_ocr_class_box, trainf_ocr_class_boxtrainf_ocr_class_boxTrainfOcrClassBoxTrainfOcrClassBoxTrainfOcrClassBoxtrainf_ocr_class_box, read_ocrread_ocrReadOcrReadOcrReadOcrread_ocr, connectionconnectionConnectionConnectionConnectionconnection, sort_regionsort_regionSortRegionSortRegionSortRegionsort_region

可替代算子

do_ocr_singledo_ocr_singleDoOcrSingleDoOcrSingleDoOcrSingledo_ocr_single

参考其它

write_ocrwrite_ocrWriteOcrWriteOcrWriteOcrwrite_ocr

模块

OCR/OCV

算子列表