transform coding 中文意思是什麼

transform coding 解釋
變換編碼
  • transform : vt (使)變形;(使)變化[轉化,轉變];變態,改變(性質、機能等),改造,改革;【數學】變換;【電...
  • coding : n. 編碼;譯成電碼。
  1. At the same time, we applied this method into reduction of block effects in transform coding successfully

    我們還介紹了這種技術在消除變換編碼方塊效應中的成功應用。
  2. 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。
  3. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處;第二章介紹圖像處理的基本技術以及本研究的硬體環境;第三章介紹圖像數據的變換方法,著重介紹了小波變換涉及到的知識;第四章介紹圖像編碼,重點介紹了零樹法編解碼;第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
  4. Secondly, the 3 - d video coding algorithm based wavelet transform using lifting scheme is proposed, which not only increases computer speed but also gives superb video playback quality without any boundary. finally, the wavelet transform using lifting scheme is used in the object - based video coding, which support scalability and user interactions

    三是在提升小波和任意形狀的圖像編碼的基礎上提出了任意形狀的三維視頻編碼方法,它不僅支持可伸縮性編碼方法,並且支持可交互性,更適于互動式視頻服務和遠程監控。
  5. 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。
  6. In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group

    第二章,對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹,包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。
  7. Study on algorithms of low bit rate hi - fi audio coding based on wavelet transform and psychoacoustic model

    基於小波變換和音質模型的音頻編碼演算法研究
  8. The fourth chapter discusses the huffman coding method, anticipating coding method and wavelet transform coding method used in this paper

    第四章討論了課題中採用的霍夫曼編碼、預測編碼和小波變換編碼的理論和方法。
  9. This paper, combined with the task and based on the thorough analyses of the theories and methods of data compression, realize the data compression of the mfl inspection data using huffman coding and wavelet transform coding

    本文結合課題,在對數據壓縮的原理和方法進行深入分析的基礎上,分別利用霍夫曼編碼和小波編碼等方法實現了管道漏磁檢測數據的壓縮。
  10. Secondly, we bring statistic coding, prediction coding, transform coding and analysis & synthesis coding into radar area. according to the properties of radar data, we take 4 methods, which are huffman coding ; prediction error model and lzw coding ; fft, uniform quantization in each frequency bank and huffman coding ; wavelet transform, uniform quantization in each frequency bank and lzw coding, to compress the genuine ground clutter radar data and give the corresponding results

    根據雷達回波的特性,分別採用了huffman編碼法,預測誤差模型和lzw編碼法, fft 、分頻帶均勻量化和huffman編碼的壓縮演算法,小波變換、子帶均勻量化和lzw編碼的壓縮演算法等四種演算法,並給出了用這些演算法對真實的地雜波雷達回波數據進行壓縮的實驗結果。
  11. By first reviewing the basic video coding theory and then analyzing kinds of sub - module in video coding system. adaptive overlapped block motion compensation ( aobmc ) is combined with pds technology for temporal prediction. the system composed of hybrid transform coding and motion compensation prediction coding is constructed

    第五章討論了本文運動估計和運動補償方法在視頻編碼中的應用,首先闡述了視頻編碼理論和編碼系統各個子模塊的基本原理,然後在預測性菱形搜索和自適應重疊塊運動補償基礎上運用變換編碼加運動補償的預測編碼方法實現一個混合視頻編碼的方案。
  12. Transform coding algorithm of ac - 3 digital audio compression

    3數字音頻壓縮中的變換編碼演算法
  13. The proposed md mesh - based motion coding methodis then combined with the pairwise correlating transform, and acomplete md video coding scheme is proposed. further measures are takento reduce the mismatch between the encoder and decoder that occurs whenonly one description is received and the decoder reconstruction isdifferent from the encoder. the performance of the proposed scheme isevaluated using computer simulations, and the results show, compared toreibman s md transform coding mdtc method, the proposed schemeachieves better redundancy rate distortion performance

    數據重傳必然會引起延遲,因而在需要很短延遲的應用中是行不通的,如雙向無線通信同時在以廣播方式進行數據傳輸時也是行不通的當有大量突發錯誤時,糾錯碼如分組糾錯碼block code及卷積碼convolutional code無法在不產生額外延遲及需要額外運算的前提下對數據提供足夠的保護而錯誤掩蔽的性能則受接收到數據與丟失數據之間的殘留相關性大小的影響。
  14. Vorbis coding algorithm can provide high quality audio compression with advanced perceptual coding and transform coding technologies ; and because of its completely open and non - patent, vobis has attracted more and more attentions by music industrial and audio users

    Vorbis編解碼演算法利用先進的感知編碼和變換編碼等技術提供高質量的音樂壓縮,同時因為其完全開源和無專利版權費用的特點而逐漸受到音樂工業和用戶的重視。
  15. A 3 - d wavelet transform coding scheme for video along the motion trajectory

    基於運動軌跡的視頻三維小波變換方法
  16. The dct was used as the main method of image transform coding for a long time

    圖像壓縮編碼長期以來利用離散餘弦變換( dct )作為變換編碼的主要技術。
  17. But there is obvious " block noise " in this transform coding method useing dct. and it is difficult to improve the compression performance

    然而利用dct作為主要技術的變換編碼方法存在著明顯的方塊效應,而且進一步提高壓縮性能很困難。
  18. In the second part : the emphasis of this part lies in discussing subband coding, wavelet transform coding and fractal coding, whose coding functions are better than the coding of having dct as the core

    因此本文第二部分重點討論了編碼性能要優于離散餘弦編碼的子帶編碼、小波變換編碼和分形編碼。
  19. The survey of vidio compressed coding is introduced in this paper at first. then the vidio compressed method based on transform coding and the content of mpeg - 2 standard are presented. the hardware realization method of mpeg - 2 vidio compressed decoder is given in detail

    本文首先介紹視頻壓縮編碼發展的概況;然後介紹基於變換編碼的視頻壓縮方法,並簡要闡述mpeg - 2標準的內容;隨后給出了一種基於專用晶元的mpeg - 2視頻壓縮編解碼器硬體實現方法。
  20. This paper introduces the process of transform coding and the principle of still picture & moving picture compression and the standards of jpeg / mpeg - 2 and practical skill of the standards from the angle of the application and network in the development of dvd in front

    本文前半部分主要從dvd的應用及未來網路化發展的角度,論述了變換編碼、靜止與活動圖像壓縮原理、 jpeg mpeg - 2標準和實用技術。
分享友人