do_ocr_single_class_svmT_do_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm (算子名称)
名称
do_ocr_single_class_svmT_do_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm — Classify a single character with an SVM-based OCR classifier.
参数签名
描述
do_ocr_single_class_svmdo_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm computes the best NumNumNumNumnumnum
classes of the character given by the region CharacterCharacterCharacterCharactercharactercharacter and
the gray values ImageImageImageImageimageimage with the OCR classifier
OCRHandleOCRHandleOCRHandleOCRHandleOCRHandleocrhandle and returns the classes in ClassClassClassClassclassValclass.
Because multiple classes may be returned by
do_ocr_single_class_svmdo_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm, CharacterCharacterCharacterCharactercharactercharacter may only contain
a single region (a single character). If multiple characters should
be classified in a single call, do_ocr_multi_class_svmdo_ocr_multi_class_svmDoOcrMultiClassSvmDoOcrMultiClassSvmDoOcrMultiClassSvmdo_ocr_multi_class_svm must
be used. Before calling do_ocr_single_class_svmdo_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm, the
classifier must be trained with trainf_ocr_class_svmtrainf_ocr_class_svmTrainfOcrClassSvmTrainfOcrClassSvmTrainfOcrClassSvmtrainf_ocr_class_svm.
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)。
- 未经并行化处理。
参数表
CharacterCharacterCharacterCharactercharactercharacter (input_object) region → objectHRegionHObjectHRegionHobject
Character to be recognized.
ImageImageImageImageimageimage (input_object) singlechannelimage → objectHImageHObjectHImageHobject (byte / uint2)
Gray values of the character.
OCRHandleOCRHandleOCRHandleOCRHandleOCRHandleocrhandle (input_control) ocr_svm → HOCRSvm, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Handle of the OCR classifier.
NumNumNumNumnumnum (input_control) integer-array → HTupleSequence[int]HTupleHtuple (integer) (int / long) (Hlong) (Hlong)
Number of best classes to determine.
Default:
1
Suggested values:
1, 2, 3, 4, 5
ClassClassClassClassclassValclass (output_control) string(-array) → HTupleSequence[str]HTupleHtuple (string) (string) (HString) (char*)
Result of classifying the character with the
SVM.
结果
If the parameters are valid 该算子
do_ocr_single_class_svmdo_ocr_single_class_svmDoOcrSingleClassSvmDoOcrSingleClassSvmDoOcrSingleClassSvmdo_ocr_single_class_svm 返回值 2 (
H_MSG_TRUE)
. If
necessary, an exception is raised.
可能的前置算子
trainf_ocr_class_svmtrainf_ocr_class_svmTrainfOcrClassSvmTrainfOcrClassSvmTrainfOcrClassSvmtrainf_ocr_class_svm,
read_ocr_class_svmread_ocr_class_svmReadOcrClassSvmReadOcrClassSvmReadOcrClassSvmread_ocr_class_svm
可替代算子
do_ocr_multi_class_svmdo_ocr_multi_class_svmDoOcrMultiClassSvmDoOcrMultiClassSvmDoOcrMultiClassSvmdo_ocr_multi_class_svm
参考其它
create_ocr_class_svmcreate_ocr_class_svmCreateOcrClassSvmCreateOcrClassSvmCreateOcrClassSvmcreate_ocr_class_svm,
classify_class_svmclassify_class_svmClassifyClassSvmClassifyClassSvmClassifyClassSvmclassify_class_svm
模块
OCR/OCV