String-kernel-based hand-drawn sketch recognition method
A sketch recognition and character string technology, applied in the field of hand-drawn sketch recognition, can solve the problems of information loss, graphic complexity, and low recognition accuracy, and achieve the effect of simple realization and high recognition accuracy.
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[0034] Firstly, based on the idea of area filling, the hand-drawn sketches are mapped to feature strings, and secondly, the training samples are trained by the Support Vector Machine (SVM) based on the String Kernelho to obtain a classifier, and then the obtained The classifier classifies and recognizes the sketches to be recognized, and maps fuzzy, irregular hand-drawn sketches to precise geometric shapes.
[0035] The system of the present invention operates under the visual C++6.0 environment, is based on the libsvm software package, and is developed using C++ language.
[0036] First, build a single-document view project in visual C++6.0; transplant the libsvm software package with String Kernel into the built project, and write the code of the characteristic string mapping module. Prepare training data: 1150 samples were collected, 1000 samples were used as training data and 150 samples were used as test data, and the sketches were mapped to feature strings, and the obt...
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