dpcm 中文意思是什麼

dpcm 解釋
并行計算模型
  1. Dpcm differential pulse code modulation

    差值脈沖編碼調制
  2. The extensive use of prediction and variable - length coding in video coding renders compressed bitstreams especially vulnerable to transmission errors and data losses. based on detailed analyses of mc - dpcm / dct mechanism, several error detection, resilience, concealment methods are discussed in this paper

    本文在分析mc - dpcm dct壓縮視頻特點的基礎上研究了各種誤碼檢測方法，並詳細討論了編碼端的誤碼容錯、傳輸層差錯控制、解碼端的失真屏蔽以及編碼器和解碼器交互的差錯控制方法。
  3. The dissertation combine the theory, with using integers dct transform to realize grey image lossless compress with the method of reversible color space integers transform and reversible integers dpcm prediction to realize lossless compress from grey image to color image with huffman coding method via visual c + + program

    本文借鑒整數dct變換實現灰度圖像無損壓縮的理論研究成果，將其與可逆的顏色空間整數變換和可逆的整數dpcm預測相結合，採用哈夫曼編碼方法，用vc編程實現了從灰度圖像到彩色圖像的無損壓縮。
  4. A type of distortion that results when dpcm is applied to television. it manifests itself as a visually noticeable jitter in those parts of the image that have high - contrast edges

    當差分脈碼調制（ dpcm ）用於電視時所產生的一種失真。在具有高反差邊緣的圖象上，這種失真表現為一種明顯的視覺抖動。
  5. Lossless compression algorithm for medical image based on integer wavelet transform and dpcm

    與整數小波變換結合的醫學圖像無損壓縮演算法
  6. The data acquisition and data flow for various sensor carriers are analyzed systematically, and the calculation models are put forward. the model of quantification of wall - loss defects for in - line inspection with ultrasonic pigs has been established. and inspection data can be pretreated with this model, compressed with dpcm technique and treatd by dsp instruments

    建立了檢測頭數據採集量及數據處理速率模型，首次建立了管道壁缺陷液浸超聲檢測的量化分析模型；提出採用該模型進行數據預處理后，採用差分脈碼調制技術進行數據壓縮，採用dsp器件提高數據處理速率。
  7. For the background is unchangeable, this paper adopts dct commutation with dpcm, rlc coding, and huffman " s coding arithmetic of image compressing, and gets favorable effect

    由於背景不變，本文採用dpcm （差分脈沖編碼調制）結合dct變換、 rlc編碼和哈夫曼編碼圖像壓縮演算法，並取得良好的效果。
  8. My principal work is these : transforming image in wavelet at first, then encoding wavelet coefficients in sofm arithmetic methodology, lbg arithmetic methodology, dpcm encoding step by step, wavelet zero tree compression separately, reconstructing the image at last, so researching how to improve compression ratio, hi addition, the article puts forward a new arithmetic methodology, sl arithmetic methodology, on the base of comparing sofm arithmetic methodology with lbg arithmetic methodology what it needs emphasis is the variety of reconstructed image because of the diversity of mother wavelet

    本人所做的工作主要圍繞著這樣的步驟：將圖像數據先進行小波變換，然後分別應用sofm演算法、 lbg演算法、 dpcm分步編碼、小波零樹壓縮等對圖像小波系數進行編碼，最後重構圖像。 akqnk44 wa從而研究如何能夠提高圖像壓縮比，並比較了各演算法在圖像壓縮中的特點。另外，根據sofm演算法、 lbg演算法在圖像壓縮中的各自特點，提出了一種新的算祛一七l演算法。
  9. Sofm arithmetic methodology, lbg arithmetic methodology, dpcm encoding step by step, wavelet zero tree compression etc, are common methods applied in the encoding of image at present

    本文主要探討了sofm演算法、 lbg演算法、 dpcm分步編碼、小波零樹壓縮等較為多見的幾種圖像編碼方法。
  10. What the part of the principle of video reduced narrates mainly is that there is plentiful temporal redundancy between adjacent frames in a video sequence for their " similarity " and there is a lot of spatial redundancy in each pixel within a frame for their " similarity ", the video is compressed by reducing spatial and temporal and statistical redundancy with the technology of dpcm and dct and huffman encoding

    視頻壓縮原理部分介紹了視頻序列的相鄰幀之間的「相似」而存在大量的時間冗餘度，幀內各相鄰象素的「相似」而存在大量的空間冗餘度。通過使用dpcm 、 dct和huffman編碼去除了時間、空間及統計冗餘度，從而實現了視頻的壓縮。
  11. In this paper, because direct current coefficients of 8 8 block have been predicted with integer dpcm, each steps of transform in dct and dpcm were made up of the reversible integer transform

    由於本文對塊間直流系數進行了整數dpcm預測，因此dct 、 dpcm的每一步均由可逆的整數變換構成，保證了圖像的無損恢復。
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