幀間壓縮 的英文怎麼說

中文拼音 [zhèngjiānyāsuō]
幀間壓縮 英文
interframe compression
  • 幀 : 量詞（幅, 用於字畫）
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 壓 : 壓構詞成分。
  • 縮 : 縮構詞成分。
  1. The motion - based layered compression scheme in this dissertation is different from the traditional full picture - process method, using different encoding strategy by classify marcoblock in temporal motion, a high encoding efficiency is achieved in experiment

    本文提出的基於運動的分級壓縮演算法，打破了以往時空伸縮全幀處理的概念，實驗中以塊為單位按時間頻率分等級，分別採用不同的編碼策略，達到較好的編碼效率。
  2. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究，對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗，發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像（傳輸距離從4 . 5米到100米之間） ，較原始模擬視頻圖像在幾何位置信息上沒有衰變，而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢；但是按dvcam壓縮格式（常見于sony公司的系列產品，是5 ： 1的dct幀內壓縮）壓縮的數字視頻圖像，較原始模擬參照圖像有明顯的幾何畸變。
  3. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先，在分析及研究最新的視頻編碼標準h . 264的基礎上，利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式，從而提前得到該宏塊的最佳編碼模式，新方法有效地克服了原標準演算法中窮舉式的復雜演算法，在壓縮碼流只有少許增加的情況下，大幅度地提高了幀內及幀間編碼的速度。
  4. 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。
  5. Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components

    當前國際上的壓縮標準普遍採用幀間運動補償加幀內二維離散餘弦變換的編碼方法，並且將彩色視頻序列表示為ycbcr格式，試圖利用人眼的視覺特性降低對色差信號的解析度來節省比特開銷。
  6. 2. 768 * 576 pixels and 24 bit real time dynamic and static pictures can be captured by a special medical video card. the number and quality of the pictures captured can be controlled by the frame frequency, size of the documents enacted. owing to the image real time compress technology, real time record can be long time, documents transcribed can be re - screened randomly, operation database can be created automatically, normative operation reports can be printed freely

    2 、通過一塊專有的圖像採集卡可以捕獲768 * 576象素解析度的真彩實時動態和靜態圖像;可通過設定捕捉頻率、幀數、文件大小來控制所捕獲圖像的數量和質量;由於採用運動圖像實時壓縮技術，可以長時間實時錄像，同時能任意回放錄制的文件;自動生成手術數據庫，能隨意列印規范的手術報告單。
  7. Finding out the most resembled part as the matching part in the neighbor by using the present part, pointing at it by motion vector, then finding out the different part between the matching part and the present part, at last rebuilding the compressed frame by the matching part and the different part, this process is called motion compensation

    用當前部分在相鄰幀中尋找最相似的部分作為匹配部分，用運動矢量指向匹配部分，再用匹配部分與當前部分之間的差形成誤差部分，以匹配部分和誤差部分來重建壓縮圖像的過程叫運動補償。
  8. G723 aerithemetic is a compressing arithemetic that proposed by itu - t and applied in speech and other audio frequency signals of low velocity multimedia services, such as : h. 323, h. 324 system. this arithemetic provides inspection to silence speech frames and fills in comfortable noise when it is silence. if optimize system and increase the complexity limitedly, we can get higher quality of speech. g723. 1 is also available in music or other voice signals, but the managing effect is not as good as speech ' s

    G . 723演算法是itu - t建議的應用於低速率多媒體服務中語音或其它音頻信號的壓縮演算法，例如： h . 323 ， h . 324系統。這種聲碼器具備兩種比特率： 5 . 3kbps ， 6 . 3kps 。在幀邊界處可以在兩種速率之間進行切換。
  9. The low frame rate of the monitoring video also makes it possible to use more complex arithmetic to gain greater compression ratio

    監控視頻的低幀率，也為視頻實時壓縮提供了更充裕的時間，有可能採用復雜的演算法，獲得更好的壓縮效果。
  10. After a careful study of the standards of itu - t h. 26x series, i developed some new algorithms for motion estimation and intra - frame / inter - frame model selection in h. 263 + image compression encoding, by combination of some up - to - date methods published. in motion estimation, i proposed an algorithm of adaptive selection of 3 - step and 4 - step search

    本論文在仔細研究了itu ? th . 26x系列標準的基礎上，綜合應用了新出現的一些演算法，對于h . 263 +圖象壓縮編碼演算法中運動估計和幀內、幀間模式選擇等關鍵部分作了研究。
  11. Firstly, it summarized the basic conceptions of image compress processing, parallel processing technique and parallel algorithm briefly. then it emphasized on the network parallel computing environment and logp model of parallel computation. at last, this paper described the methods of developing parallel algorithm and applications through the designing, analyzing, optimizing, and implementing of digital image coding parallel algorithm, include intra - frame coding, inter - frame coding, entropy coding, etc

    本文概述了并行處理技術和圖像壓縮技術；並詳述了并行演算法、圖像壓縮演算法的基本概念和模型；著重討論了網路并行logp模型及并行計算的開發環境；並通過fft并行編碼演算法、 dct并行編碼演算法、幀間運動估計和補償的并行演算法、遊程并行編碼演算法等圖像壓縮編碼處理的并行演算法的設計、分析、優化及模擬實現，較全面、形象地展示了并行演算法的開發方法及其應用。
  12. One of the common characters between traditional algorithms based on dct image coding is that regardless of the content of the image, they use a fixed size block to process, for example, jpeg, mpeg - 1 / 2, h. 263 use constant 8 * 8 block mode. the main work of this article is to propose a sequence images compression algorithm that is based on adaptive block dividing and object to the disadvantages of the one based on fixed - size block dividing. the proposed algorithm is an image compression method, which can auto - adjust dct block size ( 8 * 8 or 4 * 4 ) according to the difference of corresponding blocks between two frames of the sequential image and doesn ’ t process any unnecessary data blocks in order to enhance coding efficiency

    傳統的基於dct的圖像編碼演算法的一個共同特點就是:不管圖像的具體內容，採用固定的塊尺寸進行統一的處理，例如jpeg ， mpeg - 1 / 2 ， h . 263均採用固定的8 8分塊方式，本文的重點工作是針對這些採用固定的塊尺寸進行統一處理的演算法的一些缺點，提出了一種基於自適應分塊的序列圖像壓縮演算法，該演算法是一種根據序列圖像兩幀間對應塊的差別自動調整dct變換尺寸（ 8 8或4 4 ） ，對不必要的數據塊不進行處理，以提高編碼效率的序列圖像壓縮編碼方法，具有較高的編碼效率和較好的壓縮效果，與傳統的採用8 8固定分塊方式的壓縮編碼演算法相比，性能有較大幅度的提高，在文中，作者對兩者的壓縮編碼性能進行了分析比較。
  13. Following is specific work : a novel algorithm for fractal video sequence coding based on the extended quadtree video partition with the circular prediction mapping and the noncontractive mapping is proposed

    提出了在擴展的四叉樹視頻壓縮的基礎上，利用環形預測映射和幀間非壓縮映射相結合的視頻序列分形編碼方法。
  14. The analysis on the method shows that an advantage of wavelet - based video compression coding is that it offers more graceful image degradation at high compression ratios, and it also eliminates the block artifacts seen in dc compression. and it can solve the contradiction between limited bandwidth and infinitude requirements of increasing customers in present communication system

    該系統充分利用人眼的視覺特性來減少幀內和幀間的冗餘信息，能夠消除傳統圖像編碼的方塊效應、蚊子效應等現象實現高壓縮比，高質量的圖像編碼，可較好地解決現行通信系統中有限帶寬與日趨增加的無限用戶需求之間的矛盾。
  15. 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。
  16. This thesis is part of the project of national science foundation of china “ study on color video coding based on four - dimensional matrix ”. a multi - matrix theory model has been established in the project. and the color video is presented into a four dimensional matrix model and the four - dimensional discrete cosine transform ( 4d - mdct ) is applied to reduce the correlation between color components and adjacent pixels

    將多個彩色視頻幀構建在一個四維矩陣模型中進行運動補償預測、四維矩陣離散餘弦變換和矩陣量化，最後利用基於上下文的變長編碼方法進行壓縮，以全面去除彩色視頻各象素之間、各彩色分量之間以及連續幀之間的相關性，從而實現高信噪比條件下的高倍壓縮。
  17. The mpeg2 is divided into the portrait quantity for high code rate of a few and different compression method, i good, but the space and mjpeg is basic same alike ; ibp the code rate is small, and the space request small, but the portrait quantity is badly, and in all likelihood synthesize the empress portrait the painting to speak for itself. therefore the one mpeg2 can t satisfy to unify the request of the format. explain : ocean company will plait of many formats of new product support that release, can support the dv25, dv50, mpeg2 i, mpeg2 ibp. etc.

    8mpeg2分為幾種不同的壓縮方式， i幀高碼率的圖象質量好，但是存儲空間與mjpeg基本相同ibp幀碼率小，空間要求小，但是圖象質量很差，多半合成后圖象劣畫很明顯。所以單一mpeg2不能滿足統一格式的要求。解釋：大洋公司將推出的新產品支持多格式混編，可以支持dv25 dv50 mpeg2 i mpeg2 ibp等。
  18. Mpeg file integrates in - frame compression and between - frame compression. it has good graph quantity while the compression ratio is high. therefore, the storage space is saved

    Mpeg文件綜合了幀內壓縮和幀間壓縮方法，在壓縮比較高的同時保證了很好的圖像質量，這樣節省了存儲空間。
  19. The mpeg2 used to compress in the compressioned with the inside compress two kinds of methods. for realizes in the plait ing biggest compression ratio, mpeg usage three the diagram of category typeses resemble, namely the i, p grow the b

    Mpeg2在壓縮中使用了幀間壓縮和幀內壓縮兩種方式。為了在編瑪中實現最大的壓縮比， mpeg使用三種類型的圖像，即i幀， p幀種b幀。
  20. Motion - jpeg adopts intra - frame compress, the expense is quite low, but it lacks highly efficient compression possessed by inter - frame prediction and motion compensation. mpeg - 2 adopts inter - frame compression format, inter - frame prediction and motion compensation technology. in this way compression effeciency is highly improved

    Motion - jpeg採用幀內壓縮方式，處理費用很低，但缺少幀間預測和運動補償所具有的高效率編碼； mpeg - 2採用幀間壓縮、幀間預測和運動補償技術，壓縮效率大為提高。
分享友人
分享到 Line

分享到臉書