adaptive transform coding 中文意思是什麼

adaptive transform coding 解釋
自適應變換編碼
  • adaptive : adj. 適合的，適應的。
  • 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. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面，一是注重實用；二是注重對移動和ip網路的適應；三是在混合編碼器的基本框架下，對其主要關鍵部件都做了重大改進，如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。
  2. In the paper, chapter 1 gives a comprehensive introduction of digital image compressing including its recent status, technical standards, classification in the world. chapter 2 introduces briefly the thought and ii procedure of vector quantization, describes lgb algorithm and vector quantization based on sofm neural network. chapter 3 discusses predictable coding in lossy and lossless aspects, analyzes adaptive predictable coding based on bp neural network, introduces the evaluation of algorithm on neural network in image compression. chapter 4 discusses the applications of mathematical transformation in image compression and does experiments related, analyzes the strategies of image coding in transformed domain. in chapter 5 images are decomposed and represented by wavelet transform, then discusses the characteristics and effects of wavelet functions in image compression, analyzes the wavelet coefficients after images are decomposed ; based on the theories and analyses in the prior chapters, the paper presents an image compression scheme and gives results. the test results shows that the image compression scheme is practical and helpful to map into the local content of images to get rid off redundancy, so that, it can require satisfactory results of image compression

    方案首先利用小波多分辨分析性質，對圖像進行小波分解，對分解后各子圖的小波系數進行了統計分析，針對各子圖的小波系數特點，對不同的子圖分別採用不同的壓縮方法，低頻子圖採用基於神經網路的自適應預測編碼，高頻子圖採用基於神經網路的矢量量化編碼，從而實現對圖像數據的壓縮處理。本論文第一章介紹了數字圖像壓縮處理的國內外當前的概況以及其技術標準和分類。在第二章，介紹了數字圖像的矢量量化技術的數學思想和過程，對lbg演算法和基於sofm神經網路的矢量量化進行了闡述、分析。
  3. In this paper, a new image coding method based on wavelet transform - improved adaptive binary arithmetic coding, is proposed

    摘要基於零樹小波演算法提出了一種新的圖像編碼方法改進的自適應算術編碼。
  4. 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。
  5. Adaptive run length coding explores the residual redundancy of the high frequency coefficients in the transform domain. hereby, an embedded image coding algorithm based on binary description run length ( bdrl ) is brought forward

    對高頻子帶採用自適應的遊程編碼處理，提出一種二進制描述遊程的嵌入式圖像編碼演算法（ bdrl ） 。
  6. The standard is designed to give a new technical solution for a broad range of applications, such as very low bit rate conversational services and entertainment quality broadcast, interactive video - on - demand services etc. for the enhancement of the coding efficiencies, the new standard adopts new tools as following : multiple reference pictures, variable block - size with seven block sizes in motion prediction, quarter - pixel accuracy for motion vector, short word - length integer transform, context - adaptive entropy coding and loop filter deblocking

    H . 264 / avc標準支持從低帶寬、高誤碼率的無線移動視頻通信到高帶寬、低誤碼率的有線視頻廣播等多種應用，因此，日益受到業界的關注。為了實現更高的編碼效率， h . 264 / avc標準採用了很多新的編碼技術，如多參考幀預測、多尺寸編碼塊模式、 1 / 4像素精度運動矢量、整數變換量化、基於內容的熵編碼、新型幀內預測、去除方塊效應的濾波器等。
  7. The authors present an improved zero - tree coding method through researching on the image margin, which is an adaptive zero - tree coding method based on integral wavelet transform

    在研究了圖像的重要特徵圖像邊緣的基礎上，提出了一種改進的零樹編碼方法基於整數小波變換的分塊自適應零樹編碼方法。
  8. Considering the large numbers of the ecg data, the author analyzes the methods on compression of ecg singnal. in this paper, the method is based on wavelet transform and adaptive coding. it can obtain better compression ratio and reflect the accurate detail of original signal

    本文還針對心電數據量大的特點，對心電信號壓縮方法進行了探討，採用小波系數自適應壓縮方法對心電信號進行了壓縮，取得了較好的壓縮比，並具有重構信號失真小的特點。
  9. An algorithm of adaptive post - processing to reduce the block artifacts in the block - based transform image coding techniques

    一種減少塊效應的自適應后處理演算法
  10. Image coding and compression based on adaptive lifting scheme transform are researched in this thesis

    本文研究了基於自適應提升框架變換的圖像編碼壓縮，主要工作如下： 1
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