幀型 的英文怎麼說

中文拼音 [zhèngxíng]
幀型 英文
picture format
  • : 量詞(幅, 用於字畫)
  1. Consisting of a small camera head, detachable cable and custom frame grabber board, the lightning rdt

    高速攝像儀擁有一個小的攝像頭,可分離的數據線和捕獲
  2. 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,比特流量化與霍夫曼編碼,數據流格式化。
  3. In order to extract the contour of active image and estimate 2 - d motion effectively, a method using snakes model, where initial contour of every frame is predicted by optical flow, is given in this paper

    本文提出通過計算圖像序列間的光流變化來修正snskes動態輪廓模,從而成功實現對二維運動目標輪廓的成功估計和跟蹤。
  4. Moving objects detection and tracking based on two consecutive frames subtraction background model

    基於間差分背景模的運動物體檢測與跟蹤
  5. Two consecutive frames was subtracted to pick up background pixel in this method, then the gaussian model of every pixel was built

    該方法基於間差分法檢測出中的背景像素點后,再確立每個點的高斯模,最後運用背景差分準確檢測出場景中的運動目標。
  6. A qos - support protocol, m - dcf, and its schedule model are proposed. by providing different contention window for different classes, the higher class frames the higher access probability. the simulation proves that m - dcf has better performance than dcf protocol on system throughput, discard ratio, frame discard ratio of higher classes, average access delay of different classes

    提出了為不同等級提供不同競爭窗口的改進dcf : m - dcf協議,並給出了m - dcf的調度模,通過採用不同的競爭窗口,為不同n西安電子科技大學博士學位論文:無線局域網和ip服務質量關鍵技術的研究的應用提供了不同的接入概率,保證了qos ;模擬結果證明了m一dcf在系統吞吐率、丟包率、高等級業務丟包率、不同等級業務的平均接入時延等方面都優于dcf協議。
  7. In our model, videos are represented in a hierarchical structure with four layers from frame, shot, scene to story unit, and key frames, etc. are introduced to describe the features and contents of layer

    該模描繪了從、鏡頭、場景到故事單元的結構化層次,並引入關鍵等概念分別描述每個層次的視頻特徵。
  8. Written by zhou tian lai, huang yao, feng zi kai and zhang ying chao jointly contributed to make it into a new type of book for young readers. sketches and photo of

    中,黃堯精繪插圖,豐子愷短題眉,張英超裝,共同合作為當時第一部新的兒童文藝讀物作出貢獻。
  9. The principles of laser technology, photo - electronic transformation technology and photo - electronic signal gathering technology were discussed in this paper, a new imaging laser threat warning device used in antagonizing laser - guiding weapon was designed and its main parts and circuit were described in detail

    本文闡述了激光技術、光電轉化技術以及光電信號採集技術的基本原理。根據來自激光制導武器的威脅,採用較為先進的光敏電荷耦合器件( ccd )和廣角遠心魚眼透鏡的探測技術,以及存儲和減法技術。
  10. Several of these key issues have been studied in this dissertation. the author ' s main contributions presented in this dissertation include : presentation of a model for the optimal frame length in a plc network

    本文對plc網路中的幾個關鍵技術問題進行了深入研究,主要的創新性工作包括:給出plc網路最佳數據長度模
  11. In the border router, we design a new diffserv scheduler ( bswcs : bit - based weight time slot compensate scheduler ), which dynamically adjust the weighted quantum of service. combined with the error concealment technology in the video decoder, in case of severe congestion which cause losing a lot of ip packets, these algorithms have been proved effective, hence the delay, jitter and the perceived picture quality all meet requirement for real - time video transmission

    4建立了一個區分服務網路模,根據視頻編碼的特點,提出了一種針對視傳輸的新的服務優先等級標識演算法,即根據不同視頻解碼時的重要程度和網路的傳輸狀況將不同視頻的數據包標記為不同等級,賦予不同的質量保證。
  12. We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside, moreover study the method and steps of designing dsp, based on fpga, by using system generator, finally, it emphasizes the design process of multi - band excitation vocoder. we can work out the module of high pass filter and the module of low pass filter, module of divide frame, module of keynote rough estimate, module of keynote fine estimate, module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate, by using simulink, ise and system generator

    本文選用號為xc3s200的fpga作為設計編碼器的核心硬體,介紹了其內部所含的硬體資源,並研究了利用systemgenerator基於fpga設計dsp的方法和步驟,最後,本文把重點放在多帶激勵語音編碼器的設計上,利用simulink , ise和systemgenerator分別設計其中的高通低通濾波器模塊、分疊加模塊、基音粗估模塊、基音精細估計模塊、分帶v / u判決模塊、分帶幅度估計模塊。
  13. The algorithm generates three - dimensional terrain model and displays in real time. it uses an efficient and simple method to attain the dependency between sampling points on terrain, and refines the center points in top - down way. it incorporates the dependency of points into their errors so that the cracks inside the terrain block are avoided, at the same time eliminates the cracks at the edges of blocks through adjusting the elevations of those points that cause the cracks

    該演算法基於規則格網數據實時生成三維地形模,並實時顯示;採用了一種簡單而高效的方法來求解采樣點之間的依賴關系;以「從頂向下」方式細分中心頂點;並把頂點依賴關系融合進頂點誤差中,避免了地形塊內部的裂縫,同時通過調整塊邊界點的高程消除了塊邊界處的裂縫;演算法還具有利用間相關性,視相關等方面特點。
  14. The experimental results show that the matching method using distance image in leg movement, using key frames in walking tracking, and the matching between the model and first frame based on head location are the contributions to the human movement research

    實驗結果表明,本文的基於距離圖像的腿部運動跟蹤和基於關鍵的人體步行運動跟蹤,和以頭部為基準將模與圖像序列首相匹配的方法具有自己的特色。
  15. Spi triggering allows for trigger on user - definable framing and user - definable number of bits per frame, as well as data patterns

    Spi允許在用戶義,用戶俯定義的每比特數以及數據碼上觸發
  16. Carry on emulation to melp standard, realize that the compression of the pronunciation file is solved and pressed. first this thesis sample to wav file, carry on the speech to analyze and draws with the parameter to the speech data of every frame. these parameter include pitch, bpvc, jitter, lpc, etc. then, these parameters will be quantized by msvq technology

    該系統首先對語音信號進行采樣;按對語音數據進行語音分析和參數提取,提取的參數包括基音周期( pitch ) 、多帶清濁音判別、非周期抖動標志、線性預測參數( lpc )等語音生成模參數;接著對這些參數進行了量化,量化採用了多級矢量量化技術;最後在解碼端對各個量化參數進行解碼,利用這些參數結合語音合成模重構語音。
  17. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰差分圖像中所具有的近鄰反相特徵,即運動點目標的兩個位置相鄰近、灰度值一正一負,提出一種在復雜背景下,基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰差分圖像中檢測反相點對,進而構造反相點對矢量圖,最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典復雜背景下10幅1000圖像的模擬結果表明,當信噪比大於或等於1 . 5時,可以有效檢測出運動點目標
  18. The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy

    主要研究了攝像機針孔模的建立及測量傳感器的標定;圖像的快速高精度的採集和處理,在圖像處理中採用多平均演算法,很好地解決了速度和精度之間的矛盾制約;根據旋動理論建立空間坐標變換數學模,進而建立其不同視角下的測量數據融合演算法,生成完整的物體三維數據集合;在vc平臺下編寫三維顯示軟體模塊,完成三維測量結果的可視化,實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。
  19. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的靜態圖像,經過背景去除,把感興趣的人體區域提取出來,通過二值化,中值濾波等預處理方法得到只有人體的一個單連通區域,然後用sobel運算元檢測出boundingbox最寬中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄中所獲取的腿長依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而構建出腿部骨架模。 2 )實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模的自動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一中其實際坐標,從而重構出腿部骨架的運動過程。
  20. Computers, may 2000, 49 : 443 - 464. 6 han jungang, wang yanbing, shen wuwei. describing and verifying the behavior of hardware in xyz e language

    首先提出增強進程式控制制樹,該結構可以清晰地表徵每一時間語句的執行情況,以及截止到該時間,語句的可觀測性情況。
分享友人