Direction-Adaptive Discrete Wavelet Transform for Image Compression
نویسندگان
چکیده
منابع مشابه
Scalable Direction Representation for Image Compression with Direction-Adaptive Discrete Wavelet Transform
The direction-adaptive discrete wavelet transform (DA-DWT) locally adapts the filtering direction to the geometric flow in the image. DA-DWT image coders have been shown to achieve a rate-distortion performance superior to non-adaptive wavelet coders. However, since the direction information must always be signalled regardless of total bit-rate, performance at very low bit-rates might be worse....
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ژورنال
عنوان ژورنال: IEEE Transactions on Image Processing
سال: 2007
ISSN: 1057-7149
DOI: 10.1109/tip.2007.894242