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Image compression using self-organization networks

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3 Author(s)
Chen, O.T.-C. ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Sheu, B.J. ; Wai-Chi Fang

A self-organization neural network architecture is used to implement vector quantization for image compression. A modified self-organization algorithm, which is based on the frequency-sensitive cost function and centroid learning rule, is utilized to construct the codebooks. Performances of this frequency-sensitive self-organization network and a conventional algorithm for vector quantization are compared. The proposed method is quite efficient and can achieve near-optimal results. Good adaptivity for different statistics of source data can also be achieved

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:4 ,  Issue: 5 )