video frame 中文意思是什麼

video frame 解釋
視頻圖像
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  • frame : n 1 機構;組織;系統。2 結構,框架,構架,骨架,骨骼。3 體格,身軀。 4 精神狀態,心情。5 【園藝】...
  1. An improved self - adaptive shot detection algorithm is then proposed, which can identify both saltation and gradual shot changes. furthermore, a simple and effective method for key - frame extraction from video shot is given

    提出了一種改進的自適應鏡頭檢測演算法,用來同時檢測突變和漸變,進而還給出了一種簡單有效的從鏡頭中提取關鍵幀的方法。
  2. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  3. With audio as master media stream and video as slave stream, the scheme makes a comparison between the presentation time stamp of the audio frame and the video frame which are played back recently to synchronize the presentation of video sequence with audio sequence

    並以音頻流為主媒體流,視頻流為從媒體流,比較最近播放的音頻幀和視頻幀的播放時間標簽,調整視頻幀的播放持續時間來取得音視頻媒體間同步。
  4. The scheme adjusts the audio frame length without impairing audio quality according to the occupied level of audio playout buffer and changes the playout frame rate of video according to the occupied level of video playout buffer to achieve intra - media synchronization of audio stream and video stream

    演算法分別根據音頻和視頻播放緩沖區的佔用水平,在不影響音頻播放質量的情況下調整音頻幀的長度,實現音頻流媒體內同步;通過改變視頻流的播放幀率達到視頻流媒體內同步。
  5. The whole frame used in this paper is that, first, by using video card, we get a series of b - scan images, then delete the noise in this images. secondly, draw the outline of interesting object in each image by manual, through clicking mouse on screen. thirdly, reconstruct 3d - image using 2d contour

    本文圖像處理採用的總體方案是:首先,運用圖像採集卡從b超儀獲取一系列超聲斷面圖像,然後對超聲圖像進行去噪預處理,再通過人機交互的方式,手工勾畫出各層圖像中感興趣目標的輪廓線,並運用三維重構技術進行三維重構,最後運用opengl將三維圖像顯示出來。
  6. 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
  7. Actually, however, it cannot meet the practical requirement, since there are so many data information such as brightness, contrast, consecutive frame, scenery and content binding in even a single video clip

    對于視頻信息而言,其信息量巨大,基於文本的檢索方式不能滿足實際的需求,基於內容的檢索方式能夠彌補這方面的不足。
  8. As the fourth picture frame lights up, one of the stills turns into a video of this couple kissing along side with the full sound of a song chosen by this couple

    當第四幅圖出現時,它們當中的一幅將會轉為這對男女親吻的錄象,並伴隨一首由他們親自挑選的歌。
  9. In the beginning, the dissertation gives an overview of digital video system and an introduction of the format of mpeg - 2 transport stream, mpeg - 2 physical interface and frame structure of ds3 stream

    文章首先介紹了關于數字電視系統的一些基本概念, mpeg - 2傳送流格式和mpeg - 2的物理介面,以及ds3碼流的幀結構。
  10. By directed acyclic graph model, video server can select correct substreams by network bandwidth and terminal capability to get any frame rate, spatial resolution but coarse granular scalability presentation of video

    通過該模型,視頻流媒體服務器能夠根據網路帶寬,終端能力,正確地選擇子碼流進行傳輸播放。
  11. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  12. The format transcoding includes the frame size conversion, frame rate or field rate conversion, and interlaced / progressive video conversion. in this chapter, the frame size trancoding with arbitrary rational number ratio of l / m is put forward

    提出了變換比例為任意有理數l m時的空域任意尺寸轉碼,以及針對任意尺寸轉碼器的運動矢量重用演算法。
  13. A method for overcoming the incompatibility of film and video frame rates when converting or transferring film ( shot at 24 frames per second ) to video ( shot at 30 frames per second )

    在將電影(每秒24幀)轉換或傳輸為電視(每秒30幀)時,一種克服電影和電視幀速率不兼容的方法。
  14. 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。
  15. Video frame size

    視訊幀大小
  16. Automatic caption location and extraction in digital video frame based on svm and ica

    的視頻幀字幕自動定位與提取
  17. Video frame store

    視頻框儲存器
  18. Video object segmentation usually divides the contents of a video frame into semantic regions that can be dealt as objects

    對視頻對象的分割通常是將視頻的內容分割成具有語義的區域,並進一步作為對象來處理。
  19. Caption detection and enhancement choosing reasonable features according to the particularity of caption, and combining the redundant information of multiple video frame to detect and enhance caption

    基於視頻的字幕檢測和增強根據字幕的特殊性選擇合理的特徵,並利用視頻中多幀間的冗餘信息實現字幕的檢測和增強。
  20. Audio - video object - based coding and description are the distinct features of mpeg - 4 standard. in the mpeg - 4 standard, video frame was composed of a series of independent semantic video object, which was encoded independently

    在mpeg - 4標準中,視頻幀被認為是由一系列相互獨立的運動對象組成,視頻幀的編碼也直接針對一個個視頻對象。
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