視覺編碼 的英文怎麼說

中文拼音 [shìjiàobiānmǎ]
視覺編碼 英文
visual coding
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 覺 : 覺名詞（睡眠） sleep
  • 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...
  • 視覺 : [生理學] vision; visual sense; sense of sight; visus; sight; optesthesia
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  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. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中編碼視頻信息在進行打包封裝前，首先根據當前通道狀態信息自適應地確定其在nal層中的工作模式，在無丟包通道中採用單數據片模式以降低編碼視頻流的打包開銷，提高編碼效率；而在丟包通道中採用數據分區模式以提高編碼視頻流對通道誤碼的魯棒性能，同時基於人眼視覺特性，提出了一種改進的uep策略。
  3. Visual representation ; associative code ; top - down information processing ; inferior temporal lobe and prefrontal lobe

    視覺表徵聯想性編碼頂-底信息加工顳下回皮層和前額葉皮層
  4. Introduction of the current status and development of key technologies of the three - dimensional contour measurement. creation of the measuring means of free curved surfaces of objects, based on the passive stereo visual technology and the active liquid crystal grating encoding technology

    綜合結構光法和立體視覺法，在對傳統視覺傳感器結構統一的基礎上，提出了基於被動式雙目立體視差技術和主動式液晶光柵編碼技術傳感器，實現物體的三維形貌數字化測量。
  5. By choosing non - hybrid dictionary, blocking artifacts of dct system can be avoided ultimately. the cost of coding motion information is reduced, so the visual quality of images at low bit - rates is improved. 4

    而且，通過選擇非晶格結構的字典（原子函數之間允許重疊） ，從根本上避免了低速率dct系統帶來的方塊邊緣失真，增加估計的精度，減少對運動信息編碼耗費並提高在低速率下的視覺效果。
  6. The experiment result shows that the coding and decoding rates are high, and the signal to noise ratio, compression rate and visual quality are quite good

    實驗結果表明該方法編（解）碼速度快，並有較好的信噪比、壓縮比及視覺效果。
  7. So, this paper does some research on subjective vision quality and proposes a hybrid video encoder and decoder based on texture analysis and synthesis

    為此，本文對視頻圖像中的主觀視覺質量進行了研究，提出了基於紋理分析與合成的視頻編碼器和解碼器。
  8. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明，本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率，而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。
  9. 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。
  10. A new binocular vision sensor based on lcd grating technique is developed. it has the functions of three traditional vision sensors : point scanning, line scanning and grating code

    研製了基於液晶光柵技術的新型雙目視覺傳感器，無需硬體改動，只需改變軟體即可實現點掃描、線掃描和光柵編碼型視覺傳感器的功能。
  11. Some research on chinese character structure is done, and after some coding schemes of chinese character are summarized and trait of computer vision is considered, a new code - eight - shape code for chinese character is presented, which indicates chinese character structure trait and can be extracted automatically by computer from chinese character images

    對漢字的構成進行了研究，在總結多種漢字編碼方案優缺點的基礎上，結合計算機視覺的特點，提出一種表徵漢字特徵的機器認知漢字八形碼編制方法。 4 ）仿人漢字識別系統。
  12. Bottom - up processing and feature detecting theory based on strong electrophysiological evidences has played a dominant role in the visual research for long time. people know top - down processing just by common sense. knowledge or experience are recalled from memory by reactivation of their neural representations and affected visual processes. however recently, researches from human and monkey provide experimental evidences for top - down processing. first, mnemonic representation of visual objects and faces, located in the ventral processing stream of visual perception in monkey, provide the best evidences of how neuronal codes are created by neurons that have the special ability to link the representations of temporally associated stimuli ; second, experiments suggest that not only bottom - up signals from the retina but also top - down signals from the prefrontal cortex can trigger the retrieval of associative codes, which may serve as a neural basis both for the conscious recall and for the visual processes affected by top - down processing further studies will improve people s understanding of the causal relation of activation and behavior by use of combined fmri and electrophysiology or lesion studies

    聯想性編碼是通過學習由一些具有特殊功能的神經元建立的，這些神經元具有將時間性關聯刺激的表徵聯系起來的能力。其次，不僅來自視網膜的底-頂信號，而且來自前額葉的頂底信號都能觸發聯想性編碼的提取，既可以作為有意識回憶的神經基礎，又是頂-底加工影響視覺過程的基礎。腦損傷病人研究具有高時間解析度的人類功能性核磁共振成像functional magnetic resonance imaging ， fmri和猴fmri研究以及猴細胞電生理分析相結合，將進一步加強人們對視覺腦機制的全面理解。
  13. We study the code model characteristic of videos, analyse the characteristic of mpeg data structure and similarities and differences of forms of avi video. the method which compresses the information of an image and the differences of images is adopted to reach the high compression ratio. mpeg compresses algorithms as the international standard, is supported together by many computer platforms now, have better compatibility than avi video

    論文首先簡要地介紹了課題背景和當前的研究狀況，研究了視頻編碼模型特點，分析了mpeg - 2數據結構特點和avi視頻格式的異同，在同等的視覺質量范圍下mpeg - 2採用有損壓縮方法減少運動圖像中的冗餘信息從而達到高壓縮比，因此mpeg - 2壓縮演算法作為國際標準，被許多的計算機平臺共同支持，較avi視頻具有更好的兼容性。
  14. Regular point images of lcd are projected to the measured surface. the images modulated by the surface are received by binocular vision sensor. a special image processing software is developed to deal with the lcd images

    系統利用液晶投射空間規則編碼點圖案到被測曲面，由雙目傳感器接收經曲面調制的測量圖像，經專用設計的圖像處理軟體，採用粗、細匹配技術精確獲得特徵匹配點，利用視覺技術得到三維數據點陣。
  15. Visual performance of color - coding in character displays

    字元顯示彩色編碼的視覺功效
  16. The subimage of the lowest frequency ( ll4 ) is carried out lossless compressed coding ; 2 the subimages on diagonal direction of the highest frequency ( hhl ) is abandoned and is not carried out coding, because it is of great probability for zero, and it little affects visual

    其主要包括對最低頻子帶單獨進行無損壓縮編碼，對最高頻對角線方向子帶捨去不編碼。對其餘各子帶根據視覺特點的不同，分別分配不同的比特數並按其進行零樹量化，最後再遊程編碼。
  17. 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。
  18. Simulation has shown that the proposed scheme can achieve more accurately in similarity examination than scheme which proposed by [ 102 ]. so the bit number of coded video stream was decreased about 22. 95 percent and thus the compression ratio was improved. although the coding cost was increased about 8. 25 percent by using proposed scheme

    模擬實驗表明，與文獻[ 102 ]方案相比，提出的方案雖然增加了約8 . 25的編碼器編碼耗時，卻有效提高了對視頻序列突變幀的檢測精度，從而進一步降低編碼器端輸出編碼視頻流的比特數達22 . 95左右，在基本不影響重構視頻信息視覺質量的同時提高了編碼器的壓縮效率。
  19. A novel coding algorithm was presented for still ima ge using biorthogonal wavelet transform. combined with the visibility preaccentua tion before the quantization ， a new data structure named extended q _ tree was pro posed to organize wavelet transformation coefficients. experimental results show that the new algorithm is very practical and with good performance

    研究了一種基於雙正交小波變換的靜止圖象編碼演算法.結合帶視覺加權的標量量化技術，提出了一種新的數據結構? ?擴展四叉樹，從而實現了一種性能較好、復雜度較低的靜止圖象編碼方案
  20. Building a matching pursuit video coder based on visual fidelity

    建立一個基於視覺保真的匹配跟蹤視頻編碼方案。
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