low bit 中文意思是什麼
low bit
解釋
低位-
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。 -
A implementation and design of low bit rate speech codec
一種低碼率聲碼器系統的設計及實現 -
4. an roi coding method realized by foveation technology and two of its extended applications are presented. by unevenly upscaling the wavelet coefficients, the method can not only reconstruct the roi data priorly in a low bit - rate codestream, but make the progressive reconstruction of the image data more convenient for the human vision system
該方法根據人類視覺生理特點，將小波變換系數進行非均勻的上移位處理，不僅能夠保證感興趣區域圖像數據在低比特數據流中的優先恢復，還實現了使圖像的漸進恢復過程更加適合人類生理視覺感觀特點的效果。 -
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。 -
Study on algorithms of low bit rate hi - fi audio coding based on wavelet transform and psychoacoustic model
基於小波變換和音質模型的音頻編碼演算法研究 -
Based on the classification of images, this paper gives out four digital image steganography techniques which have good conceal effect, including low - three - bits hiding strategy, odd - even of hypo - low bit hiding strategy, deviation of adjacent - field hiding strategy and self - adaptive deviation of adjacent - field hiding strategy. on digital watermarking aspect, this paper gives two blind watermarking strategies which have good conceal effect and high robustness, they are single - watermarking strategy based on minimal - value exchanging and multi - watermarking strategy which hides the same watermark copy on the different parts of an image
在對圖像進行了分類的基礎上，本文給出了四個具有較好掩密效果的數字圖像隱寫策略，包括低三位隱藏策略、次低位奇偶策略、鄰域方差策略和自適應鄰域方差策略；在數字水印方面，提出兩個掩密效果好且魯棒性較高的數字圖像盲水印策略，分別為基於最小值交換法的單一水印策略和嵌入同一水印多個副本的多水印策略。 -
According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed
利用擴頻通信原理，分析擴頻通信的抗干擾特性，在此基礎上，闡述了電力線載波通信系統的基本結構，提出了一種利用軟體編程實現電力線載波擴頻通信的方法。該方法不增加硬體成本，即能達到提高通信質量、降低誤碼率的目的。 -
Currently, research focuses of industry include speech coding with low bit rate, low delay, low complexity and good perceptual quality
比特率低、時延小、復雜度低、音質又好的編碼方法是目前國內外民用工業研究的熱點。 -
The project uses for reference the algorithm thought of sbc ( subband coding ) to measure off the audio to the corresponding frequency width and encode it by the different sensitivity of human hearing, which results in the lower coding rate and bearable voice quality. the algorithm processing low bit - rate audio is designed to be self - adaptive by the situation of network. the component developped by that algorithm and project has already been used in the realtime interactive educational system
該方案借鑒sbc （ subbandcoding ）子帶編碼演算法思想，將音頻按對人聽覺敏感程度不同劃分為相應的頻帶並進行相應的編碼，從而得到較低的編碼率和較好的語音質量，設計了可根據網路狀況進行自適應的低帶寬音頻處理演算法。 -
Consoidering the low bit - rate video encoding characteristics, background block search algorithm, which is based on diamond search algorithm was used to improve the motion estimation speed. and detection of all - zero block algorithm was chosen for the reason of static background sence in minotor video encoding application
分析了低碼率監控視頻的特點后，我們對編碼演算法進行了修改，提出了基於鉆石搜索的背景塊運動搜索演算法和全零塊預判演算法，提高了編碼程序的效率。 -
A new algorithm of 4kb s low bit - rate speech coding
低速率語音編碼的一種新演算法 -
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use
相信所做的這些工作對甚低碼率視頻圖像編碼的實際應用和推廣將起到推動作用。 -
Very low bit rate video coding is a hotspot in video processing field in these years. it supplies a gap of application in narrowband channel
甚低碼率視頻圖像編碼技術是近年來視頻處理領域的一個研究熱點，它的出現填補了視頻通信在窄帶通道上應用的空白。 -
This algorithm increases the speed and accuracy of the motion vector search in intra - frame / inter - frame model selection, i proposed an adaptive selection method of intra - frame / inter - frame prediction model, based on tmn recommendation. in this paper, chapter one introduces the needs for low bit - rate video compression and relevant standards. chapter two first introduces briefly some common image compression methods, then emphases on the algorithms used in h263 + encoding and decoding
本論文第一章概述了當今世界對甚低碼率視頻圖象壓縮編碼的需求以及相關的國際標準；第二章簡要介紹一些具體的圖象壓縮編碼方法，對于在h . 26x編解碼器中運用到的圖象壓縮演算法給予了重點介紹；第三章詳細探討了h . 26x系列標準，對于重點和難點部分作了詳細的闡述；第四章是具體的編解碼器設計以及核心演算法描述；第五章是h . 26x編解碼器在局域網視頻傳輸中的一個具體運用。 -
The contents of this research include building the hardware system and developing the software system. the key problem to solve is how to transmit high quality images by a low bit network streaming. hardware system for image sampling is mainly configured by purchasing equipments, which requires the time - consumption of single frame under millisecond, the producer of the image sample card providing sdk and the sampling card working stably and unfailingly for long time
離子探針樣品圖像處理系統要解決的三個問題: 1 .快速、有效的獲取離子探針樣品圖像; 2 .對獲取的樣品圖像進行處理，使它適合低速率網路環境下的圖像傳輸; 3 .在滿足客戶要求的情況下使傳輸的圖像數據量盡可能的小。 -
The technology of trellis coded modulation ( tcm ) and viterbi decoding which could achieve high transmitting rate at a low bit ' error rate are demonstrated in detail. and then the design and achievement of itu - t v. 32 modem that based on one - dimensional tcm are expatiated. the paper also discusses the multi - dimensional tcm the itu - t v. 34 modem that based on it and tcm ' s application in the carrier communication
文中深入研究了可保證一定誤碼率的情況下能實現較高傳輸速率的網格編碼調制（ tcm ）技術和維特比譯碼技術，闡述了基於單維網格編碼調制的itu - tv . 32modem的設計和實現，討論了多維網格編碼調制技術和基於其的itu - tv . 34modem ，並對網格編碼調制在載波通信中的應用作了簡單介紹。 -
In proc. ieee wireless communications and networking conference wcnc, new orleans, louisiana, usa, sept. 1999, pp. 329 - 333. 39 itu - t recommendation h. 263 annex h. video coding for low bit rate communication - annex h : forward error correction for coded video signal
在對這些高層編碼工具的介紹中，部分或全部給出了各個工具的設計思想和方法作用發展歷史，從而闡明為什麼在avs - m的標準制定過程選擇了該設計。 -
A low bit - rate video - coding scheme based on matching pursuit is built in this section
建立一個基於匹配跟蹤信號分解技術的低速率視頻編碼器框架。 -
In this paper, the theory and implementing method of video encoder based on the itu - t h. 263 video coding for low bit rate communication standard are studied deeply in order to satisfy the demand of narrow - band video communication
為了在窄帶通道上實現視頻通信，本文對基於itu - t的低比特率視頻通信編碼標準h 263的視頻編碼器的原理和實現方法作了深入的研究。 -
The paper studies the theory and coding methods of the low bit rate video recommendation h. 263 + detailedly, realizes real - time software codec based on h. 263 + under linux os, furthermore, finishes some negotiable coding options which can observably improve the coding efficiency, such as advanced prediction mode, advanced intra coding mode, deblocking filter mode and modified quantization mode
263 +的原理和編碼方法做了深入的研究，軟體實現了基於h 263 +標準的視頻編譯碼器在linux操作系統下的實時編解碼，並實現了能顯著提高編碼效率的幾種可選編碼模式，主要包括先進預測模式、先進幀內編碼模式、塊邊界濾波模式和改進量化模式等。
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