縮編譜 的英文怎麼說
中文拼音 [suōbiānpǔ]
縮編譜
英文
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Finally, the error images of mp are coded by spiht ( set partitioning in hierarchical trees ) to get the final codestream. in order to testify the effectiveness of the proposed algorithm, aviris images are used for computer simulation and the results indicate the proposed
最後，對經過mp演算法處理后的殘差圖像利用spiht （ setpartitioninginhierarchicaltrees ）演算法進行編碼，從而完成了對高光譜圖像的壓縮。This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。On the basis of the research in wavelet theory and wavelet - based image coding techniques, the author presents the technique of hyperspectral remote sensing image compression for satellites
本文結合課題，在對小波理論和圖像的小波編碼技術進行較為深入研究的基礎上，利用小波編碼技術實現了星載高光譜遙感圖像的壓縮。Prediction algorithm is a most simple one of all methods on images compression. and it explore directly the spectral correlations of hyperspectral images. its method is very simple and easy to be implemented. prediction takes full advantage of the spectral correlations to use transmitted spectral to predict current spectral, then predictive error that original spectral is substracted by predictive spectral is coded. the predictive error is wiped off the spectral correlations, so compression is easier than before
預測技術是最簡單的一種方法，它直接探索譜帶與譜帶之間的相關性，具有演算法簡單、易於實現的特點。預測技術充分利用圖像的相關性，用已傳輸的值對當前值進行預測，然後對預測值與真實值的差即預測誤差進行編碼處理。預測產生的殘余誤差已被去相關，因而比較容易壓縮。In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing. in succession, the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm. at the last part, aiming at the properties of hyperspectral images, three compression schemes are presented : dct + ebcot, differential method + ebcot and predictive method + ebcot
文中首先從信號分析和數字信號處理的角度對小波分析理論進行了系統的總結，在此基礎上介紹了基於小波的圖像編碼技術的優秀成果，重點介紹了基於小波的ebcot編碼演算法，接著，針對高光譜圖像的特徵，本文提出了以下三種壓縮方案： dct變換+ ebcot的壓縮方案、差值法+ ebcot的壓縮方案及預測法+ ebcot的壓縮方案，對三種壓縮方案進行了軟體模擬，並將模擬結果與其它壓縮方案進行了比較。Secondly klt and reversible integer - to - integer wavelet transform for image compression are discussed, and a method of nearlossless compression of multispectral images is given, which combines klt and integer wavelet transform together. the spatial redundancy in the images is removed by klt and the inter - band redundancy is removed by the integer - to - integer wavelet transform
接著詳細研究了k - l變換原理和整型小波的構造方法，編程實現了結合k - l變換和整數小波變換的多光譜圖像壓縮演算法，該演算法將k - l變換用於去除多光譜遙感圖像的譜間冗餘，在譜內則使用整型小波方法去除空間冗餘。分享友人