首页> 外文会议>European Conference on Speech Communication and Technology v.3; 20010903-20010907; Aalborg; DK >Support Vector Machine with Dynamic Time-Alignment Kernel for Speech Recognition
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Support Vector Machine with Dynamic Time-Alignment Kernel for Speech Recognition

机译:支持向量机与动态时间对齐内核的语音识别

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摘要

A new class of Support Vector Machine (SVM) which is applicable to sequential-pattern recognition is developed by incorporating an idea of non-linear time alignment into the kernel. Since time-alignment operation of sequential pattern is embedded in the kernel evaluation, same algorithms with the original SVM for training and classification can be employed without modifications. Furthermore, frame-wise evaluation of kernel in the proposed SVM (DTAK-SVM) enables frame-synchronous recognition of sequential pattern, which is suitable for continuous speech recognition. Preliminary experiments of speaker-dependent 6 voiced-consonants recognition demonstrated excellent recognition performance of more than 98% in correct classification rate, whereas 93% by hidden Markov models (HMMs).
机译:通过将非线性时间对齐的思想纳入内核,开发了一种适用于顺序模式识别的新型支持向量机(SVM)。由于顺序模式的时间对齐操作已嵌入内核评估中,因此可以采用与原始SVM相同的算法进行训练和分类,而无需进行修改。此外,在所提出的SVM(DTAK-SVM)中对内核进行逐帧评估可以实现顺序模式的帧同步识别,这适用于连续语音识别。语音相关的6个辅音识别的初步实验表明,正确分类率的识别性能高达98%以上,而隐马尔可夫模型(HMM)的识别性能高达93%。

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