frame to frame coding 中文意思是什麼
frame to frame coding
解釋
幀間編碼-
By integrating motion compensation and recompose frame, classifying the integration according to the mode of macroblock coding and motion compensation integration, and combination in another way to achieve to improve the performance of decoder
在對idct優化過程中提出了一種結合vlcd （變長碼解碼）和iq （反量化）解碼過程的優化方法；把運動補償和圖像重組過程結合在一起，按圖像編碼方式和運動補償方式進行分類組合，實現解碼性能提高。 -
If this frame field adaptation is extended to macro block level, the coding efficiency will be further increased
在h . 264 avc中，圖像級的幀場自適應paff編碼和宏塊級的幀場自適應mbaff編碼都被采納。 -
Thirdly, the functions of reversibility of the built bar code and changeableness of the color of bar code have been improved by combining various build algorithms with the methods of software programming. as vc + + 6. 0 is used as the design platform for the generative system of bar code, and the ways of software programming have been learned and the build principles of program frame as well as the coding principles of menu, dialog box, toolbar, . document and view have been applied to finish the software finally
再次，是把各種演算法與計算機軟體編程知識相結合，對常用軟體條碼方案中存在的生成條碼不可修改、條碼顏色太過單一這兩點不足之處進行了相應的改進；本課題選用vc + + 6 . 0作為條碼生成系統的設計平臺，系統學習了該編程平臺編寫軟體的方法，並應用程序框架的執行原理，菜單、對話框、工具欄以及文檔視圖的編寫原理，最終實現了條碼生成系統軟體化過程。 -
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。 -
The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard
H . 264的技術特點可以歸納為三個方面，一是注重實用；二是注重對移動和ip網路的適應；三是在混合編碼器的基本框架下，對其主要關鍵部件都做了重大改進，如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。 -
Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality
由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。 -
According to the information that reflected the condition of channel, this thesis classified acm into heuristic acm and snr - estimation acm. the system that using the first one of acm decide the scheme of modulation and coding according to the frame error ratio that reflected indirectly the condition of channel, while it using the another of acm decide the scheme according to the snr estimation
根據反映通道狀態的信息不同，本文將自適應編碼調制技術分為基於探索的自適應編碼調制技術和基於通道信噪比預測的自適應編碼調制技術，前者根據間接反映通道條件的誤幀率和重傳次數信息來決定編碼調制方式，而後者根據通道信噪比預測的結果調節編碼調制方案。 -
Finally, the paper introduces the software and hardware implementation of h. 264 coding system as well as the optimizing of transform part. video collection and pretreatment module includes the functions of video frame collection, frame format convert and video data storage. the optimizing of transform program is according to the optimize principles and the characteristics of blackfin533
視頻採集及預處理模塊實現圖像的採集、圖像格式的轉換及預存儲; h . 264編碼模塊的實現與優化部分介紹h . 264編碼的dsp實現，並對整數變換的原理進行分析，根據優化原則並結合blackfin533的特點，實現整數變換程序的優化。 -
The paper would make a study of construction data frame of large - scale ugis in order to make a sound theoretical ground of the construction of digital city. in the paper, the author brought forward firstly of scheme of topologic coding on ugis classification and coding based on streets and administrative districts according to the existing national standards of ugis classification and coding and corresponding digital city " methods of classification and coding
在參照國家現有的城市地理信息分類與編碼標準和相應的數字城市分類與編碼方案的基礎上，針對大比例尺城市地理信息系統對城市地理信息分類與編碼的要求，作者首創性的提出了綁定式的城市地理信息分類體系與拓撲編碼方案。 -
According to the aforementioned characteristics, the core algorithms proposed in this paper is that selection of frame / field is determined before encoding, where field coding is chosen when motion is acute, whereas, frame coding is chosen when motion is mild, and the coding scenario of the previous frame is applied for other circumstance
基於上述特點，本文核心演算法為:編碼前進行決策，運動劇烈時選用場編碼，運動平緩時選用幀編碼，其他情況延續上一幀編碼方式。 ssd曲線一致性說明ssd的變化可以描述運動劇烈程度，但因其分佈鬆散，難以直接使用。 -
Video transcoding is the procedure to convert a compressed video into another one with different format ( i. e., different bit rate, different frame size and even different coding standard )
視像轉碼程式是一個將壓縮視像格式轉變為另一種不同形式的程序（即不同編碼傳輸率、不同畫面大小、甚至不同編碼標準） 。 -
However, most of the current wireless networks still work in low bandwidths, and mobile devices still suffer from weak computational power, short battery lifetime and limited display capability. therefore, this thesis deals with developing a very low bit - rate bi - level video coding technique, which can be used in video communications almost anywhere, anytime on any device as follows : ( 1 ) convert true color video sequences from ccd and video card to grayscale ones, ( 2 ) detect static region of successive frames by the sum of absolute differences ( sad ) and update current frame using static region of previous frame, to decrease flicker. ( 3 ) threshold the images to bi - level video sequences using ridler ' s iterative selection
為此，本論文在傳統h . 26x和mpeg - x等視頻編解碼技術的基礎上提出了一種新的基於輪廓的視頻編解碼方案，步驟如下： （ 1 ）先把從ccd攝像頭捕捉到的視頻幀序列轉換成灰度幀序列， （ 2 ）在灰度幀序列的基礎上通過sad演算法找出相鄰幀的靜態區域，用前一幀的靜態區域更新當前幀的相應區域，這樣可以降低畫面閃爍， （ 3 ）然後用灰度直方圖迭代所產生的閾值二值化圖像，生成基於輪廓的視頻幀序列， （ 4 ）最後運用基於上下文的算術編碼技術對由第三步生成的二值化視頻幀序列進行算術編碼。 -
We sequence the inserted gene fragment of the indentified recombinant clone. the result is : angiostatin gene orf ( open reading frame ) links with the orf in expression vector correctly. but the first base of the codon aaa coding for lys414 in plg kringle 4 domain mutates from a to g which leads lys change to glu
隨后取通過上述鑒定的重組克隆菌，對重組子插入片段測序，結果為： as基因開放讀碼框與表達載體的讀碼框正確匹配相連，但在其kringle4區相當于編碼plg的lys ~ （ 414 ）密碼子aaa的第一位堿基由a突變為g ，導致相應的氨基酸殘基突變為glu 。 -
When picture adaptive frame / field ( paff ) is utilized to interlaced sequences, two fields can be combined into one frame, which is encoded in frame coding ; besides, they can also be encoded in field coding separately. adopting field or frame coding can be determined by coding performance adaptively
圖像級幀場自適應（ paff ）技術在處理隔行序列時，可將兩場合成一幀，按照幀編碼方式進行，也可以將其作為兩場分別編碼;採用幀或場編碼可根據編碼效果自適應選擇。 -
At present in order to solve the problem of net band, many manufacturers adopt compression format of mpeg - 4 to pre - edit and browse, in this way, they can make the software coding in lookb / s gif to frame accuracy editing
為了解決網路帶寬問題，目前不少廠家採用mpeg - 4壓縮方式進行粗編和瀏覽，現在可做到在1ookb s的cif格式圖像上軟體編碼，精確到幀編輯。 -
Hegf gene with his - tag at the end, which was derived from pet22 - egf, was in - frame fused to the carboxy - terminal of polyhedrin ( ph ) gene, which included the amino - terminal 116aa coding region. the polyhedrin - egf fusion gene ( named ph - egf ) was then cut out with ecorv and ecori, and was cloned between ecorv and ecori sites of pbacpak. 8 ( the result plasmid was named pbacph - egf and the ph - egf fusing gene was right under the control of ph promoter ). the pbacph - egf structure was verified with restriction enzymes digestion and pcr
從pet22 - egf質粒中分離出末端帶his - tag的egf基因，對位融合於多角體蛋白n端116個氨基酸基因序列的下游（命名為ph - egf ） ，並在兩段基因間設計了凝血酶xa蛋白酶切位點，經過酶切、測序等鑒定正確后，克隆至pbacpak8中，使ph - egf融合基因置於多角體蛋白（ polyhedrin ， ph ）基因啟動子控制之下，構建成重組轉移載體pbacph - egf 。 -
Introducing and comparing the difference within the conception of area segmentation, motion segmentation and moving object segmentation vop extraction, and their application in content - based video sequence image coding. analysis the relationship between the frame difference image and its relative frame gray level image. then a new automatic moving object edge tracking and extracting method, based on the high correlation between the edge of frame difference and the edge of gray level image, was proposed. using the close of moving object edge to get the real moving object
介紹比較區域分割運動分割和物體分割的概念及其在視頻序列圖像分割中的應用。分析說明各種運動狀態下幀差圖像與相應幀灰度圖像的關系。提出了基於幀差圖像邊緣與灰度圖像邊緣之間強相關性的運動物體邊界自動跟蹤提取演算法。 -
As to three types of frames in mpeg2, there are two different types of coding method, which are inter - frame coding and intra - frame coding
在程序中，對於三種不同的幀類型（即i 、 p和b ） ，分別採用了幀內編碼和幀間編碼兩種方式。 -
The gene fragment we have got is 1311bp long, which contains a length of 543bp from 5 ' - end to the coding region, 588bp of open reading frame including " the coding region of 585bp and a termination codon as well as the 3 ' - end sequence of 180bp rich in at ( accounting for 70 % )
從已有的5 』部分序列到該過敏蛋白編碼區為543bp ，編碼181個氨基酸。開放閱讀框588bp ，包括編碼區的585bp及一個終止密碼，可編碼一個由195個氨基酸組成的功能蛋白。 3 』端非編碼區包括180個堿基，富含at （ 70 ） 。 -
( 2 ) interframe prediction model researching on the existing video scalable coding structure and the predict - tion model shows that the information between frames of video sequence was not utilized fully to improve coding efficiency in these coding scheme, especially the prediction of b frame in the enhancement layer
（ 2 ）幀間預測方式通過對這些主流可分級編碼方法的預測方式進行分析與研究表明這些方法並未能很好地利用視頻序列的幀間信息來進行幀間預測以提高視頻編碼效率，特別是對增強層b類幀的預測。
分享友人