coding frame 中文意思是什麼
coding frame
解釋
編碼片格-
Firstly, four alternative mode was introduces for h. 263 data compress arithmetic : the mode of nonrestrictive sportive vector, syntax - based arithmetic coding mode, the mode of supernal forecast, and the mode of pb frame
首先詳細介紹了數據壓縮演算法h . 263以及h . 263演算法的四個可選模式:非限制運動矢量模式;基於語法的算術編碼模式;高級預測模式; pb幀模式。 -
The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing
重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。 -
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。 -
It has also been proved correct in practice by testing with cooperator. the paper analyzed the character of our radio and introduced the procedure of designed base band frame architecture. it showed the application of channel coding in our radio, and encode / decode method implemented in dsp
本文針對本電臺的特點介紹了基帶幀結構的設計，重點介紹了幾種常用通道編碼在本電臺的應用，以及編解碼方法在dsp中的實現，並從理論上分析了通道編碼給本電臺帶來的處理增益。 -
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 novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed. the motion estimation operation is performed only on the compensable blocks in the image frame. the time of estimation computation and the bits for coding the motion vectors are all reduced significantly than those of conventional algorithms
本文介紹了一種新穎的運動矢量估計演算法，我們首先對待編碼的圖像進行可補償性分析，然後運動矢量搜索只對可補償塊操作，因此無論是搜索次數還是用於對運動矢量編碼的比特數均明顯少於傳統演算法 -
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。 -
In packet based wireless video communications, when best band distribution, not only source distortion should be considered, but also channel distortion caused by channel errors. the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order, and then encodes the mbs in the same order. actually, the quantization distortion is heavily dependent upon the coding order of mbs
在基於包的無線視頻傳輸中，最佳帶寬分配時，不僅要考慮信源編碼失真，也要考慮由於通道差錯引起的通道失真；已有的宏塊層碼率控制演算法以矩陣掃描的順序計算一幀中所有宏塊的量化參數，事實上量化失真與宏塊的編碼順序有很大關系，改變宏塊的編碼順序，使復雜的宏塊分配到更多的比特數，顯然能大大提高編碼效率。 -
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。 -
With the widely applied of web technology in catering, the information management system of restaurant based on internet is developing fast 。 based on the local area network, this subject researches and completes the foregrounding of restaurant achieved on the electronic business platform by using java and network database technologies 。 by combining all of these, this paper researches the foregrounding of restaurant, and brings forward the scheme of completing system based on b / s mode 。 all research and work including the process of development of enterprise information nowadays ; the research on net application of java ; the design of developing platform ; the research and design of system frame and function ; the research and realization of the database design ; the design and realization of the room information 、 client information 、 sell information and the adding menu of the management system of manager 。 among these i mainly research the following key technologies : the design of data flow diagram and entity - relationship diagram ; the modeling of virtual floor using java applet and java gui ; the linking realization between jsp and sql sever 2000 ; the design of room - query 、 reserving - room and the judgment of reserving again ; the design of coding and ordering fishes list ; the design of checking - out of the system ; the design of the cancel of the order 、 statistics of the consumption and the inputting of data of the manager 。 this system completes the restaurant booking - room 、 ordering - dishes 、 checking - out and helping based on local area network, and completes the information query and adding data of the manager 。 at last, by testing, the system shows that the system is feasible and the good effect expected can be acquired, and it greatly enhances the restaurant information 。
主要研究工作包括:國內外企業信息化的發展歷程; java的網路應用研究;系統的開發平臺設計;系統體系結構和功能模塊的設計;數據庫設計的研究和實現;管理員管理系統的包間信息、客戶信息、銷售信息和菜譜添加的設計與實現。其中重點實現了如下關鍵技術:數據流圖和e - r圖設計; javaapplet和javagui相結合的虛擬樓層建模; jsp網頁與sqlsever2000數據庫的連接實現;訂包間系統的包間查詢、訂包間和重復訂包間判斷設計;點菜系統的編碼設計和點菜單設計;結賬系統的賬單計算;管理員管理系統的訂單取消、消費統計和數據輸入等設計。本課題研製的餐館前臺信息管理系統實現了餐館的局域網前臺訂包間、點菜、結賬和幫助功能;同時實現了管理員管理系統的信息查詢和添加數據等功能。 -
Adaptive field frame selection for high compression coding. in spie conf. image and video communications and processing, jan. 2003, 5022 : 583 - 593
同時在某些區域，可以得到大於1db的編碼增益，大大提高了編碼圖像的主觀質量。 -
The picture - level adaptive frame field coding paff selects frame coding or field coding once for one picture
圖像級的幀場自適應演算法對每一幀選擇一次幀編碼或者場編碼模式。 -
Frame coding or field coding can be adaptively selected on a picture - by - picture basis and also on a more localized basis within a coded frame
幀編碼還是場編碼可以自動選擇，原則上基於圖象與圖象之間的變化，以及編碼圖象內部的局部化特徵。 -
Adaptive frame field coding techniques have been adopted in many international video standards for interlaced sequence coding
為了提高隔行序列的壓縮效率，幀場自適應編碼技術在很多國際視頻標準中都得到了應用。 -
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。
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