子带图像编码的广义不等长重叠正交变换

2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100) Pub Date : 2000-06-05 DOI:10.1109/ICASSP.2000.862032

T. Nagai, M. Ikehara, M. Kaneko, A. Kurematsu

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引用次数: 12

摘要

研究了不等长基函数广义线性相位重叠正交变换(GULLOT)。所提出的GULLOT的每个基的长度可以不同，而传统GenLOT的所有基的长度都是相等的。为了将GULLOT应用于子带图像编码，我们还研究了限制尺寸的结构来处理有限长度的信号，这在实际应用中是很重要的。

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Generalized unequal length lapped orthogonal transform for subband image coding

In this paper, generalized linear phase lapped orthogonal transforms with unequal length basis functions (GULLOT) are considered. The length of each basis of the proposed GULLOT can be different from each other, while all the bases of the conventional GenLOT are of equal length. In order to apply the GULLOT to subband image coding, we also investigate the size-limited structure to process the finite length signal which is important in practice.

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2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100)

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