کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
527645 869342 2006 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Compression of pre-scan-converted echocardiographic video using wavelet packet and integer wavelet transforms
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر چشم انداز کامپیوتر و تشخیص الگو
پیش نمایش صفحه اول مقاله
Compression of pre-scan-converted echocardiographic video using wavelet packet and integer wavelet transforms
چکیده انگلیسی

An efficient compression strategy is indispensable for digital echocardiography, which is very important for clinical practice of cardiology. In this study, we investigated a new compression strategy applied to pre-scan-converted polar format echocardiographic video instead of scan-converted raster format video. A lossy compression strategy, using modified SPIHT based on wavelet packet transform, is used to compress tissue data; while a lossless compression strategy based on integer wavelet transform, is used to compress Doppler data. The proposed algorithm can achieve very high compression ratio while retaining excellent image quality. Furthermore, the modified SPIHT surpasses the original SPIHT for the compression of tissue data.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Image and Vision Computing - Volume 24, Issue 9, 1 September 2006, Pages 915–925
نویسندگان
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