image coding 中文意思是什麼

image coding 解釋
圖像編碼
  • image : n 1 像,肖像,畫像;偶像。2 影像,圖像。3 相像的人(或物);翻版。4 形像,典型。5 形像化的描繪。6...
  • coding : n. 編碼;譯成電碼。
  1. Three commixed still image coding algorithms are proposed based on them and such ideas as : zerotree coding, wmse ( which is based on mankind visual characteristics ), classified vector quantization with different vector structures and classification methods. the chapter gives the principium analysis, realization schemes and simulation results of the proposed algorithms

    在此基礎上,結合零樹編碼思想,以及基於人眼視覺特性和分類矢量量化的思想,根據不同的矢量構成和分類方法提出了三種混合型靜止圖像編碼方法,給出了演算法原理的分析、實現方案和模擬結果,最後對本章方法作出分析總結。
  2. Image coding based on wavelet and filter banks

    基於小波和濾波器組的圖像編碼方法
  3. In the third parts : based on davis ? self - quantization of subtrees, the fractal coding in the wavelet domain put forward orientaiton wavelet - subtree fractal coding, this coding encodes individually towards wavelet - subtree, at the same time, davis put forward the image coding concerning the disadvantage existing in rinaldo and calvagno ? fractal predictive case

    第三部分:以davis提出的小波樹的自量化( self - quantizationofsubtrees )編碼演算法研究現有小波域內的分形圖像編碼方法,在現有方法的基礎上,提出了方向性小波樹的分形編碼方法。
  4. Fast fractal image coding algorithm based on reducing codebook

    縮減碼書的快速分形圖像編碼演算法
  5. In the dissertation, the principle of image coding, the jpeg system and the real - time signal processing system based on dsp are introduced first. then the design of a jpeg real - time image decoder system based on motorola coldfire mcf5272 is discussed

    本文首先介紹了圖像壓縮技術的原理、 jpeg標準和基於dsp的實時信號處理系統,然後在motorolacoldfire32位微處理器mcf5272上設計實現了jpeg解碼演算法。
  6. Based on statistic property of all sub - bands coefficients, this paper gives a lossless image coding scheme including dpgm, huffman coding and run length coding. this scheme reduces the calculating complexity and works highly efficiently

    針對圖像整數小波分解后的各子帶系數的統計特性,提出結合dpcm , huffman及遊程編碼的無損圖像編碼方法,該方法運算簡潔,速度快,易於硬體實現。
  7. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數,然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制,解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法,即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮,編碼器復雜等不足,討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法,提出了3 - ddct系數的三維「 z 」形掃描方案,大大提高了編碼效率。
  8. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分,根據其分佈特性和人眼的視覺特性,採用視覺模型對零樹量化過程的閾值進行修正,有效地去除視覺冗餘;對各高頻子圖採用多級樹集合分割的零樹編碼方法,有效地利用系數編碼剩餘符號,進一步提高壓縮比。
  9. Taking the storage and transfer of mass image data into consideration, not only could favorable image compression techniques achieve high compression ratio and fidelity, they should also meet the demands of web applications, image compression need further detailed study, thus having developed into a specialized research field known as image coding

    出於圖像存儲技術和圖像通信的考慮,良好的圖像壓縮技術不僅能夠實現高壓縮率和高保真率,還能滿足諸如漸進傳輸、圖像漸現等網路應用的需要。因此,為了滿足實際應用的需要,有必要對圖像數據壓縮處理進行深入細致的研究,目前已發展成為專門的研究領域:圖像編碼。
  10. A new stereo image coding algorithm based upon self - organizeing neural network

    一種改進的立體圖像編碼演算法
  11. Improved wavelet zerotree still image coding

    改進的靜止圖像小波零樹編碼
  12. Hybrid image coding algorithm based on wavelet zerotrees and fractal coding

    基於小波變換的分形與零樹混合圖像壓縮演算法
  13. A prediction - based vector quantization method for image coding

    一種基於預測的矢量量化圖像編碼方法
  14. 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。
  15. Wavelet subband coding method has advanced considerably in 2d image compression. many effective embedded wavelet image coding methods have already emerged. we improve the spiht algorithm by expanding the coding method used for gray image to color image of the video

    本文對已有的spiht演算法進行改進,充分利用其空間方向樹能夠高效組織小波系數的優勢,將其由針對灰度圖像的編碼方法擴展為對視頻序列彩色圖像的壓縮。
  16. 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。
  17. An edge - extraction based fractal image coding approach

    基於邊緣提取的分形圖象編碼方法
  18. Image coding method based on genetic algorithms and ifs

    基於遺傳演算法和迭代函數系統的圖像壓縮方法
  19. In this thesis, we subsequently introduce the basic concepts of wavelet transform, especially the pyramidal algorithm and its fast realization - lifting scheme ; this scheme can decrease the time and space complexity of wavelet transform greatly. wavelet transform, the most perfect mathematical tool of signal processing theory, makes great success in the field of data compression. ezw and spiht are the milestones of wavelet image coding on the noiseless channels, and jpeg2000 adopts the ebcot algorithm

    嵌入式零樹小波編碼( embeddedzerotreewavelets )和多級樹集合分裂演算法( setpartitioninginhierarchicaltrees )都是迄今為止最為優秀的理想通道情形下的小波編碼方案:而jpeg2000靜態圖像壓縮國際標準採用的是嵌入式碼流優化截斷塊式編碼演算法( embeddedblockcodingwithoptimizedtruncationoftheembeddedbit - streams ) 。
  20. A stochastic competitive learning vector quantization algorithm for image coding

    一種隨機競爭學習矢量量化圖像編碼演算法
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