遮擋率 的英文怎麼說
中文拼音 [zhēdǎnglǜ]
遮擋率
英文
screen ratio-
For reducing the test of crossing and blocking by improved algorism of searching paths, this model can find effective paths more efficiently
本模型通過改進路徑搜索演算法，減少了相交遮擋測試，因此大大提高了路徑查找效率。By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building
與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。In particular, discontinuous shales, acting as vertical flow barriers, affect significantly the sweep efficiency of oil reservoirs
特別是，不連續的頁巖，作為垂直的流體流動遮擋，極大影響油罐的洗油效率。24 frisken s f, perry r n. simple and efficient traversal methods for quadtrees and octrees. j. graphics tools, 2002, 7 : 1 - 11. 25 zhang h, hoff k. fast backface culling using normal masks
實驗表明，新方法能將順序點模型樹的繪制效率提高20 % 64 . 6 % ，並且越近觀察模型或模型中的遮擋關系越復雜時，新方法的加速比更高。Finally through comparison of test results based on the moving fish in color video sequences, the method presented in this paper combining with the hue information shows effective results for localization in color video sequences. and the determination method of initial position presented above improves object localization efficiency remarkably, at the same time a good robustness in partially occluded object localization in color video sequences has been acquired
最後，本文以彩色視頻序列中運動的海魚為實驗研究對象，通過對實驗結果分析比較發現，在該方法中使用色調信息能有效地實現彩色視頻序列中的目標定位，利用視頻中相鄰幀之間的相關信息確定模型初始位置的簡單方法，在解決確定模型初始位置的難題的同時，不但提高了定位效率，而且對彩色視頻序列中有部分遮擋的目標定位同樣具有魯棒性。Compared to other shape matching algorithms, our shape modeling and detection algorithm has distinguishing features. our part - based and hierarchical strategy finds each part of the shape sequentially, rather than extracting all shapes from the image to match with the possible shape models. it can improve the accuracy and speed the detection processing, and can help to reduce or eliminate the effects of background clutters, partial occlusions and inner rotation in the object
形狀建模和檢測演算法與一般方法相比，具有鮮明的特點，即不需要先提取形狀再與可能的目標模型匹配，而是採用分部分和分層次的處理思想，依次在圖像中搜索形狀的各個組成部分，由此提高了檢測的精度和效率，減小或消除了復雜背景、部分遮擋和目標內部組成部分旋轉的影響，同時可以實現并行處理。分享友人