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期刊论文

Speech Hashing Algorithm Based on Short-Time Stability

万旺根Ning Chen and Wang-Gen Wan

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摘要/描述

The performance of a perceptual hashing system, which is often measured by discrimination and robustness, is directly related to the features that the system extracts. In this letter, a new speech hashing scheme based on short-time stability is presented. The characteristic of natural speech that the principal components of linear prediction coefficients among neighboring frames tend to be very similar is utilized to generate the hash sequence. Experimental results demonstrate the effectiveness of the proposed scheme in terms of discrimination and robustness.

版权说明:以下全部内容由万旺根上传于   2011年05月18日 09时33分24秒,版权归本人所有。

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