In this paper, a fast codebook search algorithm that is equivalent to the full search algorithm for image vector quantization is proposed.
May 1, 2008 · In this paper, a fast codebook search algorithm that is equivalent to the full search algorithm for image vector quantization is proposed.
The encoding of a VQ-based image coding requires a full codebook search for each input vector to find out the best matched codeword. It is a time consuming ...
A new performance parameter named as Average fractional change in pixel value is introduced as it gives better understanding of the closeness of the image ...
In this paper, a fast codebook search algorithm that is equivalent to the full search algorithm for image vector quantization is proposed.
In this paper we propose partial yet efficient codebook search algorithm which uses sorting technique and uses only comparison. Our proposed algorithm does ...
In [1, 5] different color spaces and pixel window sizes are worked out for coloring grayscale images. All these techniques gives the results subjective to the ...
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This paper proposes an improved image coding scheme based on vector quantization. It is well known that the image quality of a VQ-compressed image is poor ...
May 20, 2024 · Linde–Buzo–Gray (LBG) is a renowned technique for VQ that uses a clustering-based approach for finding the optimum codebook.
In this paper, two algorithms are developed to reduce the computing time for codebook generation. It is noted that the algorithms developed here obtain the same ...