幀序列 的英文怎麼說
中文拼音 [zhèngxùliè]
幀序列
英文
framesequence-
By using the presupposition and the contrast images of front views of joints positions in orderly images, and matching the sports joints in front and back views, the positions of body joints could be exactly located and some parameters needed could be calculated
該方法用序列圖像前幀圖像中關節位置的先驗知識和差異圖像判斷運動關節，對運動關節在前後幀中進行塊匹配，得到后幀圖像中人體關節的精確位置，繼而計算出需要的運動參數。On the basis of image segmentation, this thesis mainly discusses the algorithm of automatic target tracking in sequence images on the sea. firstly, in terms of the characteristics of image on the sea, such as weak contrast between target and background, borderline between sky and sea, spoondrift and so on, a method called barycenter tracking which is based on intra - frame information from the sequence images is proposed, in which the threshold method is the key algorithm
在圖象分割演算法研究的基礎上，本文重點從兩方面討論了海上序列圖象中運動目標的自動跟蹤演算法:首先，針對海上圖象的特點，即背景與目標間的弱對比度、存在海天線、魚鱗光和目標拖尾等，設計了以閾值分割為核心的基於幀內信息的形心跟蹤方法。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幀間的光流變化來修正snskes動態輪廓模型，從而成功實現對二維運動目標輪廓的成功估計和跟蹤。Because the air - borne imaging system is required a far acting distance and the focal length of its optical system is long. influenced by the unsteady or moving platform mounted on plane, the change between the frames of image sequence is more. problems of image fuzziness and instability tend to be striking out, which becomes a bottleneck restricting the air - borne reconnaissance, collimation, evaluating beat effect
機載光電成像系統，由於要求作用距離遠，故其光學系統焦距長，受其載體姿態變化和振動的影響，圖像序列幀間變化過大，造成觀察者覺得模糊、不穩定，己成為制約空中偵察、瞄準、打擊效果評估等功能的瓶頸。Received october 15, 2005 ; revised march 14, 2006
一般來說，逐行序列適合幀編碼，隔行序列適合場編碼。( 2 ) based on the review and analysis of typical object detection methods, especially the temporal difference, a moving objects detection algorithm based on three frame difference is proposed. this algorithm employs many new technologies, such as adaptive frame interval, half - pixel global motion estimation and compensation, adaptive change detection and object repair, therefore it is very practical
2 .在總結常用運動目標檢測方法，並詳細討論時間差分法的基礎上，針對實地拍攝的紅外圖像序列，提出了一種基於三幀差分的運動目標檢測演算法，該演算法採用自適應幀間隔、半象素全局運動估計與補償、自適應變化區域檢測、抗噪聲形態學處理和目標修復等一系列新技術，具有很強的實用性。The selection of frame and field has been tested in standard - definition sequences. the experimental results indicated that selection of frame and field in avs has four characteristics, which are continuity of frame / field selection, consistency of ssd curves, relativity of motion information, as well as pertinence of quantization steps
針對標清序列，對幀場選擇情況進行了測試，結果顯示avs幀場選擇有4個特點:幀場選擇方式連續性， ssd曲線一致性，運動信息相關性，量化步長相關性。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幀的人體步行運動跟蹤，和以頭部為基準將模型與圖像序列首幀相匹配的方法具有自己的特色。Moving object detection adopts a method of dynamic difference background image, whose principle is to calculate difference picture among the current frames and background images and take the motion adjudging threshold which owns maximum information entropy to determine moving area ; and dynamically updates background by using kalman filter. thus, the system realizes the judgment of the moving area under the complicated changing background
運動目標檢測採用動態差分背景圖像法，其原理是利用序列圖像中當前幀圖像減去背景圖像，並採用使信息熵最大化的運動判決門限判定運動區域;採用kalman濾波動態背景生成實現了背景的動態更新;從而實現了復雜變化背景下圖像運動區域的判決。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幀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幀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.對典型復雜背景下10幅1000幀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Frame synchronization, acquisition and tracking of cc - codes are simulated. continual special code insertion method is used in the simulation of frame synchronization
分別對幀同步、完全互補碼的捕獲、擴頻碼序列的跟蹤進行了模擬研究。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。Detecting algorithm based on background prediction, maximum background prediction, most similar background prediction, displacement pipeline filter, target movement characteristics algorithm based on sub - pixel analysis and the method of the contrast similarity among frames are introduced for the target detecting in single image and sequence images
在單幀圖像和序列圖像目標檢測方面提出了基於背景預測的檢測方法，最大化背景預測方法、最相似背景預測方法、位移式管道濾波方法、基於亞象元分析的目標運動特徵演算法和目標對比度相似性的幀間目標檢測方法。Super - resolution ( sr ) image fusion is the technology of reconstructing a frame of image with high resolution from a group of warped, blurred and noised low - resolution ( lr ) images or video sequence about the same scene
超解析度圖像融合就是利用同一場景的多幀有相互位移的降質圖像或視頻序列來重建一幀高解析度圖像的技術。Successive - frame particle match approach was implemented to ensure high measurement precision
實現了實時圖像序列的逐幀粒子匹配方法以保證測速精度。Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components
當前國際上的壓縮標準普遍採用幀間運動補償加幀內二維離散餘弦變換的編碼方法，並且將彩色視頻序列表示為ycbcr格式，試圖利用人眼的視覺特性降低對色差信號的解析度來節省比特開銷。However, most of the current wireless networks still work in low bandwidths, and mobile devices still suffer from weak computational power, short battery lifetime and limited display capability. therefore, this thesis deals with developing a very low bit - rate bi - level video coding technique, which can be used in video communications almost anywhere, anytime on any device as follows : ( 1 ) convert true color video sequences from ccd and video card to grayscale ones, ( 2 ) detect static region of successive frames by the sum of absolute differences ( sad ) and update current frame using static region of previous frame, to decrease flicker. ( 3 ) threshold the images to bi - level video sequences using ridler ' s iterative selection
為此，本論文在傳統h . 26x和mpeg - x等視頻編解碼技術的基礎上提出了一種新的基於輪廓的視頻編解碼方案，步驟如下： （ 1 ）先把從ccd攝像頭捕捉到的視頻幀序列轉換成灰度幀序列， （ 2 ）在灰度幀序列的基礎上通過sad演算法找出相鄰幀的靜態區域，用前一幀的靜態區域更新當前幀的相應區域，這樣可以降低畫面閃爍， （ 3 ）然後用灰度直方圖迭代所產生的閾值二值化圖像，生成基於輪廓的視頻幀序列， （ 4 ）最後運用基於上下文的算術編碼技術對由第三步生成的二值化視頻幀序列進行算術編碼。In video disk, a consecutive sequence of frames
在視頻光盤上，一種連續的幀序列。Spp models a message as a sequence of frames, as shown in figure 1
Spp將消息建模成一個幀序列，如圖1所示。However when a sequence of low - resolution frames is available, such as those obtained by a video camera, the problem becomes more manageable
但是如使用攝像機獲得的低解析度幀序列時，這個問題就可以處理了。分享友人