wavelet compression 中文意思是什麼

wavelet compression 解釋
小波壓縮
  • wavelet : 小浪；【物理學】子波，弱波，小波，基元波，成分波。
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  1. Firstly, chromatism analysis and wavelet transform are used for color image compression coding. in this method, one of the three color components of a color image ( for example the g component of a rgb color image ) is coded using wavelet transform, and the chromatism between g and other two color components rg = r - g, bg = b - g is coded respectively using chromatism analysis. during decoding, g ~ is first reconstructed using wavelet inverse transform and inverse quantisation, and rg, bg are reconstructed using chromatism analysis inverse transform ; then r, b are calculated by r = g + rg and b = g + bg respectively

    其一是應用色差分析和小波變換對彩色圖象進行壓縮編碼，該方法是對彩色圖象的三個色彩分量之一，如rgb圖象的g進行小波變換編碼，而對g與另兩個色彩分量的差值（即rg = r - g和bg = b - g ）進行色差分析編碼，解碼則是通過反量化和小波逆變換得到g ^ ，通過色差分析的逆變換得到兩個重構的色差rg ^和bg ^ ，再算出r ^ = g ^ + rg ^ 、 b ^ = g ^ + bg ^ ，最後由r ^ 、 g ^ 、 b ^重構圖象。
  2. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  3. The emphasis of this thesis is studying the methods of bit allocations of digital image compression based on wavelet transform and managing to minimizing the overall distortion. we know from the rate - distortion theory that the aim is gainable

    由率失真理論我們知道，對于給定的碼率，可以找到一種比特分配演算法對小波變換后的各個子帶進行比特分配，使重建圖像的失真達到最小。
  4. We use wavelet transform and spiht encoding method to compress the data that we got after speckle noise reduction. the results compare favorably with jphg compression methods

    對于基於邊緣信息的garrote去噪方法我們同傳統的軟去噪和硬去噪以及lee濾波方法進行了比較，得到了很好的實驗結果。
  5. Wavelet image compression method based on area - combined coding

    基於區域聯合編碼的小波圖像壓縮方法
  6. A compression method with wavelet transformation and biblock zero tree coding

    基於小波變換和對塊零樹編碼壓縮方法
  7. Analysis of image compression processing based on wavelet transform

    基於小波的圖像壓縮處理分析
  8. The fifth chapter use huffman coding method of the row difference data and lifting wavelet transform and spiht ( set partitioning in hierarchical tree ) coding method to realize the diagnostically compression of mfl data by judging the significance of data using changing threshold and dynamic area threshold of mfl data

    在第五章通過數據變化閾值和數據動態范圍閾值判斷數據重要性，分別採用行差分數據的霍夫曼編碼方法以及提升小波變換和層次樹集分割（ spiht ）編碼方法實現了數據的檢測無損壓縮。
  9. Basic principle of embedded zerotree wavelet compression algorithm

    嵌入式小波零樹壓縮演算法的基本原理
  10. Subsequently, the development of video capture, video compression, video transmission network, video storage and video processing technology are introduced in chapter two. video compression especially wavelet compression technology, the core technology in the later design is discussed in details

    第二章主要介紹了在視頻監控系統設計中涉及的視頻採集技術，視頻壓縮編碼技術，視頻傳輸網路技術，視頻存儲技術和視頻處理技術的現狀和發展方向。
  11. An image wavelet compression algorithm based on zerotree and bit plane

    基於彩色靜止數字圖像的信息隱藏技術研究
  12. The key issue of improving the wavelet compression performance is how to efficiently organize the wavelet coefficients and to describe the information of image

    如何有效地利用小波分解系數更好地表示圖像信息是提高圖像壓縮性能的關鍵。
  13. In the chapter two, we implemented the device with three independent subsystems : a dsp real time video and image processing subsystem, a real time video wavelet compression subsystem and a network subsystem

    第二章則介紹了我們所設計的交通採集設備的整體框架，分別簡要的敘述了三個功能獨立的子系統的實現方案。
  14. Spiht algorithm, evolving from ezw, is so far one of the most influential wavelet compression algorithms, which encodes wavelet coefficients according to their energy or significance through a unique pass

    由ezw演算法演變而來的spiht演算法是目前為止影響最大的小波壓縮演算法之一，它通過獨特的掃描方式，將小波系數按照能量大小或者重要性程度編碼輸出。
  15. This paper according to application ' s characteristic of the wavelet utility national and international, synthesis the advantage of the wavelet utility reasonable, and improve algorithm partly, present a new wavelet compression algorithm

    本文根據國?外小波函數應用的特點，合理的綜合各個小波應用的長處，並改進部分演算法，提出了一個新的小波函數圖像壓縮方法。
  16. This article has discussed the theory of wavelet compression and mallat fast arithmetic. the bi - orthogonal wavelet ( 7, 9 ) has been used to compress image, the compressing processing has been simulated, and as a result, the conclusion has been given

    本文詳細地論述了利用小波進行圖象壓縮的原理，以及hallat快速演算法。利用雙正交小波（ 7 ， 9 ）對圖像進行壓縮模擬，並得出結論。
  17. With the rapid evolution of image compression, network transmission and electron technique, embedded image surveillant system has became a new developing hotspot. in the dissertation, the principle and implementation of embedded networking image surveillant system based on wavelet compression are discussed.

    隨著圖像壓縮技術、網路傳輸技術和電子技術的飛速發展，嵌入式數字網路圖像監控系統已成為當今監控領域的一個新的開發熱點。
  18. People often think about the filter ' s characters of orthogonal, symmetry, regularity, but seldom synthetically think about some factors such as image texture or compression rate. in this paper used the same adaptive arithmetic coder for many filters, analyzed the effect factors synthetically for the best wavelet compression, and give some methods for selecting filter

    本文對多種常見濾波器，採用相同的自適應量化編碼方法進行實驗，研究並分析了選擇濾波器時應該考慮的圖像紋理、濾波器長度、壓縮比等一些綜合因素，有效解決了在小波圖像壓縮過程中，如何更好的選擇濾波器的問題。
  19. Subsequently, the various video compression protocols in the module of data compression, especially the fundamentals of wavelet compression technology are introduced in chapter two. the comparison between wavelet transform and dct transform is given. the schemes of intra - frame coding and sequence frame coding based on wavelet compression are used as a standard in current system

    第二章介紹了該壓縮模塊中所採用的各種視頻壓縮協議，對小波壓縮技術的一些重要概念作了簡要的介紹，詳細比較了小波變換和dct變換的優缺點，給出了基於小波壓縮的單幀及序列幀編碼方案，並將其作為本壓縮模塊的壓縮標準。
  20. Subsequently, the various audio and video compression protocols in surveillant system, especially the fundamentals of wavelet compression technology are introduced in chapter two. the comparison between wavelet transform and dct transform is given. the schemes of intra - frame coding and sequence frame coding based on wavelet compression are used as a standard in current system

    第二章介紹了監控系統中所採用的各種音視頻壓縮協議，對小波壓縮技術的一些重要概念作了簡要的介紹，詳細比較了小波變換和dct變換的優缺點，給出了基於小波壓縮的單幀及序列幀編碼方案，並將其作為本系統的視頻壓縮標準。
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