Complexity Reduction and Fast Algorithm for 2-D Integer Discrete Wavelet Transform Using Symmetric Mask-Based Scheme
學年 95
學期 1
發表日期 2007-12-10
作品名稱 Complexity Reduction and Fast Algorithm for 2-D Integer Discrete Wavelet Transform Using Symmetric Mask-Based Scheme
作品名稱（其他語言）
著者 Hsia, Chih-Hsien; Guo, Jing-Ming; Chiang, Jen-Shiun
作品所屬單位 淡江大學資訊工程學系
出版者
會議名稱 The Ninth IEEE International Symposium on Multimedia (ISM 2007)
會議地點
摘要 Wavelet coding has been shown to be better than discrete cosine transform (DCT) in image/video processing. Moreover, it has the feature of scalability, which is involved in modern video standards. This work presents novel algorithms, namely 2-D symmetric mask-based discrete wavelet transform (SMDWT), to improve the critical issue of the 2-D lifting-based discrete wavelet transform (LDWT), and then obtains the benefit of low latency, high-speed operation, and low temporal memory. The SMDWT also has the advantages of high-performance embedded periodic extension boundary treatment, reduced complexity, regular signal coding, short critical path, reduced latency time, and independent subband coding processing. Moreover, the 2-D lifting-based DWT performance can also be easily improved by exploiting appropriate parallel method inherently in SMDWT. Comparing with the normal 2-D 5/3 integer lifting-based DWT the proposed method significantly improves lifting-based latency and complexity in 2-D DWT without degradation in image quality. The algorithm can be applied to real-time image/video applications, such as JPEG2000, MPEG-4 still texture object decoding, and wavelet-based Scalable Video Coding (SVC).
關鍵字 Communication, Networking & Broadcasting;Computing & Processing (Hardware/Software)
語言 en
收錄於
會議性質 國際
校內研討會地點
研討會時間 20071210~20071212
通訊作者
國別
公開徵稿
出版型式
出處 Proceedings of the Ninth IEEE International Symposium on Multimedia (ISM 2007), pp.57-64
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