h bit 中文意思是什麼

h bit 解釋
h型鉆頭
  • h : = 【電學】 henry; 【化學】 hydrogen; 【物理學】磁場密度 (intensity of magnetic field) 地磁水平...
  • bit : n 1 少許,一點兒,一些;(食物的)一口,少量食物。 〈pl 〉 吃剩的食物;小片。2 〈口語〉一會兒,一...
  1. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,在分析及研究最新的視頻編碼標準h . 264的基礎上,利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的最佳編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,在壓縮碼流只有少許增加的情況下,大幅度地提高了幀內及幀間編碼的速度。
  2. 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。
  3. 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。
  4. 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。
  5. The topics in this thesis are analysing the drawbacks of current h. 323 videoconference systems and popular solutions of them, discussing the advantages of dynamic bit rate allocation model and its features. 5 sub - modules implement the model

    該模型的實現是通過5個子模塊( rtp連接建立模塊、數據包接收模塊、媒體播放模塊、反饋信息分析模塊和動態位速率調整模塊)來完成。
  6. It is expected that the standard will be used for a wide range of bit rate, not just low bit rate applications and that h. 263 will replace h. 261 in many applications. to realize the real time video compression, a high performance processor is necessary

    視頻數據壓縮運算量大,需要大量的存儲空間,要實現實時的視頻數據壓縮無疑需要一個高速處理器, tms320c6711dsk是ti推出的面向圖像處理的硬體平臺,其運算速度可達到900mflops (百萬指令位元組每秒) ,可用內存達16m位元組,是進行視頻壓縮的理想平臺。
  7. 4 lee c y, lu e h, lee j y. bit - parallel systolic multipliers for gf fields defined by all - one and equally - spaced polynomials. ieee trans. computers, 2001, 50 : 385 - 393

    近些年來,有限場數值運算被廣泛應用在編碼理論計算機密碼數字訊號處理,邏輯設計,和隨機數產生器等領域上,受到相當大注意。
  8. H. 323 is the standard about multimedia communication released by itu - t. tm1300 including a very powerful, general - purpose vliw processor core ( the dspcpu ) that coordinates all on - chip activities is a media processor for high - performance multimedia applications that deal with high - quality video and audio. the dspcpu implements a 32 - bit linear address space and 128, fully general - purpose 32 - bit registers

    H . 323是itu ? t推出的用於ip分組網路的多媒體通信終端協議, trimediatm1300處理器晶元是philips公司推出的一種基於多媒體應用的具有vliw指令,含有128個通用寄存器, 32位的高性能處理器,它能夠通過編程實現通信協議,完成高質量的音頻、視頻處理和網路介面。
  9. Using the above algorithms, h. 263 baseline video - encoder implementation can encode more than 40fps in qcif resolution on a pentium mmx 500 - mhz computer. almost ali of the low bit - rate video compression techniques degrade quality. to combine the video quality evaluation with hvs, the relationship betvveen the motion activity and perceptual video quality are studied, and a video quality evaluation method based on motion activity is proposed, in which video defmition and smoothness are defined

    本文提出一種基於運動特徵的視頻質量評價方法,考慮了人眼對視頻信號感受質量與畫面運動劇烈程度之間的關系,分別討論了反映視頻質量的視頻清晰度和流暢度,評價結果更符合人眼視覺特性,並且這種評價對編碼具有一定的指導作用。
  10. Firstly, based on the c6711 dsp hardware characteristics, h. 263 was chosen as the core video compression framework. after seven advanced options of h. 263 was tested, we analyzed the test results and used three options which are unlimited motion vector, advanced motion prediction and deblock filter as the scheme of the low bit - rate monitor video encoding

    首先,通過對目前的低碼率視頻編碼技術的分析,結合c6711硬體特點,我們選擇了h . 263視頻編碼標準作為監控視頻編碼框架,並且通過對h . 263標準的七個高級編碼選項的測試和分析,選取了其中無限制運動矢量、高級預測和去塊濾波等三個編碼選項作為監控視頻編碼的主要方案。
  11. 9 malvar h s. low - complexity length - 4 transform and quantization with 16 - bit arithmetic. ftp : ftp. imtc - files. org jvt - experts 0109 san vceg - n44. doc. 10 gordon s, marpe d, wiegand t. simplified use of 8 8 transforms - proposal

    從與dct失真的角度分析該44變換與h . 264 mpeg - 4 avc中的44變換具有相同的失真度,並且也可以通過加法和移位實現整個變換過程,並且所有運算都能在16位精度內完成。
  12. First he got a bit of a start but it turned out to be only something about somebody named h. du boyes, agent for typewriters or something like that

    起初他有點吃驚,原來不過是有關一個名叫h .德拉博伊斯的打字機代理商或什麼商人的報道。激戰,東京187 。
  13. H. 323 is an itu standard which provides several services including speech, data and multimedia etc. being a speech compression coder protocol supported by h. 323, g. 729 has the advantages of low bit - rate and high speech quality and been selected by itu - t as 8kb / s standard

    G . 729做為h . 323支持的語音壓縮編碼協議,具有低延遲,高語音質量的優點,被itu確定為8kb / s語音編碼標準。
  14. Computer arithmetic, adelaide, australia, 1999, pp. 30 - 40. 6 neve a, schettler h et al. power - delay product minimization in high - performance 64 - bit carry - select adders

    綜合了并行前綴加法器和進位選擇加法器的優點,使加法器在速度功耗面積上有一個很好的平衡。
  15. Based on the research of videoconference systems of h. 323 protocol over ip networks and the author ' s experiences of implementing h. 323 videoconference systems in remote education area, in this thesis the main factors that affect videoconference quality are analyzed, and a dynamic bit rate allocation model is proposed and partly implemented. this model is designed to dynamically allocate bit rate for multi - media data flow ( including audio data and video data ) in fixed bandwidth network environment. when continuous multi - media packet losses are detected in ip based h. 323 videoconference system, the bit rate of video data is adjusted meanwhile the bit rate of audio data remains unchanged, and the bit rate allocation of multi - media data ( including audio data and video data ) is optimized as a whole effect

    本文結合作者在h . 323視頻會議系統應用於遠程教育的經驗,通過對現有的基於ip網路的h . 323協議視頻會議系統的研究,分析了影響視頻會議質量的原因,提出並部分實現了在固定帶寬的網路環境下,基於ip的h . 323視頻會議的多媒體數據包發生丟包、抖動或延時時,保持音頻數據位速率不變,通過對視頻數據的位速率的進行調整,最終實現旨在提高視頻會議語音質量的多媒體數據位速率動態調整的模型。
  16. In the system software design, h. 263 core algorithm modules ( dct, dct, motion estimation ) are discussed. exploits the fact that many residual blocks become all zero blocks after dct and quantizationin very low bit rate videocoding. a motion search algorithm asing zero block detection technology, is proposed in this paper

    該系統軟體設計部分針對h . 263核心演算法模塊: dct 、 dct和運動估計模塊,闡述了全零發現技術,並與傳統運動估計結合應用一種基於發現全零塊的中止準則,對原有演算法進行了改造,取得了良好的效果。
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