read_ocr_class_knn — Read an OCR classifier from a file.
read_ocr_class_knn reads an OCR classifier that has been stored with write_ocr_class_knn.
This operator returns a handle. Note that the state of an instance of this handle type may be changed by specific operators even though the handle is used as an input parameter by those operators.
File extension: .onc, .okc, .fnt
Handle of the OCR classifier.
If the parameters are valid, the operator read_ocr_class_knn returns the value 2 (H_MSG_TRUE). If necessary, an exception is raised.
Marius Muja, David G. Lowe: “Fast Approximate Nearest Neighbors with Automatic Algorithm Configuration”; International Conference on Computer Vision Theory and Applications (VISAPP 09); 2009.