編碼圖象質量 的英文怎麼說

中文拼音 [biānmǎtúxiàngzhíliáng]
編碼圖象質量 英文
quality of coded picture
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. 2, under equally see the quantity, compress the calculate way s exportation code plain deal connect the good and bad that decide its function of the good and bad, or say, output the code the term of same alike rate the bottom, and the portrait quantity reflected the function of the compression calculate way. adopt with dv all because of the m - jpeg an inside compress the way, efficiency of their compression certainly want lower than mpeg2. certainly, this is an average circumstance, at the time that low code rate, the mpeg2 can compare the m - jpeg compression the ratio high and a lot of but keep the good diagram to resemble the quantity ; but at request the diagram to resemble the quantity the good time for example the sow the room program edit with empress period creation, their difference to is not very big. too is to say, just at the compression efficiency that not emphasize the portrait quantity that the circumstance, mpeg2 is high

    2在同樣的視頻質量下，壓縮演算法的輸出碼率直接決定其性能的優劣，或者說，輸出碼率相同的條件下，圖象質量的優劣反映了壓縮演算法的性能。由於m - jpeg和dv都是採用幀內壓縮方式，它們的壓縮效率當然要比mpeg2低。當然，這是一個平均情況，在低碼率的時候， mpeg2可以比m - jpeg的壓縮比高很多而保持較好的圖像質量而在要求圖像質量很好的時候比如演播室節目編輯和後期製作，它們的差別不是很大。
  2. The main work is as follows : 1. an error resilient algorithm to collaborate multiple description coding ( mdc ) and error concealment ( ecn ) is presented. the strategy of this method is to reconstruct the low quality image followed by recovering the lost wavelet tree with error concealment method when end - user receives few descriptions

    在誤碼環境下，要保證解碼端重構圖象的質量，就要綜合採用多種抗誤碼方法，本文對差錯復原技術的綜合應用進行了研究，具體內容如下: 1 、提出了圖象多描述編碼與差錯隱藏相結合的差錯復原演算法，在接收端接收到的描述較少時，首先根據接收到的若干描述重構低質量的圖象，然後採用差錯隱藏方法恢復丟失的子波樹。
  3. At fixed time intervals, the gts data are decoded by the hko main computer and quality control checks are applied. objective analyses are then carried out for data at various standard pressure levels to produce grid point values. charts showing flight level winds, temperatures and other information are made available at the airport meteorological office ( amo ) for the provision of flight documentation and airway winds

    天文臺的主電腦定時對接收到的資料進行譯碼及質量控制檢查，跟著對各個標準氣壓層面的資料進行客觀分析，計出各網格點的數值，從而製作各巡航高度的風、溫度及其他資料的天氣圖，讓機場氣象所用來編制飛行氣象文件和航道風。
  4. At fixed time intervals, the gts data are decoded by the hko main computer and quality control checks are applied. objective analyses are then carried out for data at various standard pressure levels to produce grid point values. charts showing flight level winds, temperatures and other information are made available at the airport meteorological office for the provision of flight documentation and airway winds

    天文臺的主電腦定時對接收到的資料進行譯碼及質量控制檢查，跟著對各個標準氣壓層面的資料進行客觀分析，計出各網格點的數值，從而製作各巡航高度的風溫度及其他資料的天氣圖，讓機場氣象所用來編制飛行氣象文件和航道風。
  5. Thus the coding of a color head image actually become the coding of a color component. the experimental results show this method not only improve the coding efficient and compression ratio but also obtain satisfactory effect of the reconstructed image. at the same time, this method also enables gray head images to be converted into color head images

    這樣對彩色人頭圖象的編碼實質上就變成了對其中的一個色彩分量的編碼，實驗結果表明該方法不僅提高了編碼效率和壓縮比，也能獲得較滿意的重構圖象效果，同時還使得將灰度人頭圖象轉換成彩色人頭圖象成為可能。
  6. At first synthesized professional branch and graphical symbols of coal mine geology and survey, mainly including point, line, region and so on, and then classified and coded the geology and survey information entity by different professional layers and formed a classification and code system based on gis

    摘要綜合煤礦地質測量信息的專業特性及信息表示的幾何特徵（主要包括點、線、面等） ，按專題圖層對煤礦地質測量的實體對象進行分類與編碼，形成了一套基於gis的煤礦地質測量信息分類編碼體系。
  7. However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding

    實驗結果表明，該方法與傳統的二維編碼方法相比，具有高壓縮比和高圖象質量的優點;與矢量量化編碼相比，具有碼表體積小，計算復雜度低的特點;與霍夫曼編碼方法相比，在相同信噪比的條件下，對運動相對劇烈的視頻序列壓縮效果要更好。
  8. In this paper, a gray video md - 3d - spiht algorithm is proposed, which extends the md - spiht algorithm into 3d - spiht. this method is to divide the 3 - d wavelet coefficients into some number p of different groups according to their spatial and temporal relationships, and then to encode each group independently using 3d - spiht algorithm, so that p independent embedded 3d - spiht substreams are created. multiple descriptions are created

    2 、將md - spiht方法推廣應用於視頻序列，提出了灰度視頻md - 3d - spiht演算法，該演算法先對一組視頻圖象進行多級離散三維小波變換，在小波域建立空間方向樹，及對空間方向樹分組，再分別對各組進行3d - spiht編碼，即產生多個描述，且每一描述的碼流是完全嵌入式的，易於實現質量可分級編碼。
  9. Based on spiht, no lists zerotree coding algorithm ( nls ) has been put forward to be applicable for hardware implementation. simple in structure, small in storage space, the nls algorithm is very close to spiht in the quality of reconstructing image

    本文在spiht的基礎上提出了一種適于硬體實現的無列表零樹編碼演算法，該演算法結構簡單，存儲空間開銷小，而且重建圖象質量僅略遜于spiht 。
  10. 2 ) the embedded zero - tree wavelet algorithm, which is proposed by shapiro, is analyzed. regarding to its shortcomings, a new quantization method based on zero - tree is presented. in addition, this method needs to match the hvs characteristics

    2 ）仔細分析了shapiro的嵌入式零樹編碼演算法，根據其在量化過程中存在的問題，提出了一種改進的零樹量化演算法，並在量化過程中充分考慮了人的視覺特性對于重構圖象質量的影響。
  11. Through anatomizing ezw coding algorithm and taking the effects of human being ’ s vision characteristics on quality of reconstituting image. a improved zeretrees algorithm are put forward. at last a new image compression encoding algorithm based on wavelet transform and vector quantization is put forward. the experiment show, in very low bit rate, using the proposed algorithm, the reconstructed image is superior to that of ezw in both of perception and psnr

    最後，在小波樹的基礎上，通過對矢量量化的研究，本文提出了一種基於四叉樹結構新的小波樹矢量量化壓縮編碼演算法，實驗證明，在較高壓縮比的情況下，使用此方法得到的重構圖象質量（視覺效果和峰值信噪比）比通常的小波壓縮演算法有了較大的提高。
  12. Self - adapted quadtree image compression method proposed by fisher [ 13 ] in - creases the speed of encoding procedure of the image, heightens the compression ratio, but the quality of the reconstructed image is not good

    Fisher提出的自適應四叉樹編碼方法加快了圖象編碼的速度，提高了圖象的壓縮比，但是在圖象的重建質量上還存在不足。
  13. As a result, the contractive mappings can be achieved in order to make the fractal image compression automatically realized. it is tested that the approach we proposed is simple but available all through the experiment

    與jacquin的方法相比，由於引入了區域形狀編碼，增加了編碼的復雜度，但在解碼圖象質量相近的情況下，提高了壓縮比。
  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. 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。
  16. At the same time, the main advantage of the encoding method, which can allow a target bit rate to be met exactly, is that the encoder can stop encoding at any point

    另外，本方案還有一個明顯的優點就是可以在任意一點結束編解碼，從而可以根據對重構圖象質量的要求動態調整壓縮比。
  17. Then this paper designs an integrated coding algorithm based on dt - mesh according to mandate of mpeg - 4 hi which a motion estimation algorithm based on dt - mesh is proposed and data structure is transformed in order to fulfill the coding order of mpeg - 4. finally, compared with the former algorithm of h. 263 standards, the advantages ? of the latter algorithm in mpeg - 4 are high compress ratio and multi - resolution with utilitarian value

    最後，本文把基於dt的mpeg - 4編碼性能同h . 263編碼性能進行了全面的比較，結果表明， dt作為mpeg - 4標準中的一種編碼方法，在圖象質量、壓縮比、多解析度、避免塊效應方面有很大的優越性，有一定的實用價值。
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