estimation region 中文意思是什麼

estimation region 解釋
估計區域
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  • region : n. 1. 地方,地域,地帶;地區;行政區,管轄區,區;左近,鄰近;(大氣、海水等的)層,界,境。2. 【解剖學;動物學】(身體的)局部,部位。3. (學問等的)范圍,領域。4. 〈罕用語〉天空。
  1. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸半徑的關系等,得出了其解析描述。
  2. A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique

    本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究,其具體內容為:對近年來的研究工作進行了系統的介紹;提出了一個由粗到細的多階段的人臉檢測演算法,該演算法充分利用了序列圖像中人臉模式的各種有用信息,將復雜的檢測工作分為了四個部分:膚色區域分割預處理,人臉粗檢及利用橢圓擬和的人臉區域提煉,應用人臉基本特徵檢測和定位的人臉細檢, pca結合高斯概率密度估計的人臉驗證。
  3. A region growing phase unwrapping algorithm based on local frequency estimation for interferometric sar

    一種局部頻率估計的區域生長相位展開方法
  4. Under these approaches, the 1if e of the lower flange connection region between a rib 6 and rib 8 of the front bar of some aircraft are estimated and the fatigue life of simulator of the connection region is experimentally tested and the estimation results and the experimental results are compared

    通過用這些壽命估算方法對某型飛機前墻6 8肋段下緣條連接區進行壽命估算與該段連接區模擬試驗件進行疲勞試驗結果分別進行了分析比較。
  5. Beamspace music based on mvdr beamformer outputs is proposed to remove the contribution from interferes outside the beam coverage region, so to ensure the correct estimation of target bearings inside that region. the weighted subspace fitting ( wsf ) algorithm is extended into beamspace to resolve strongly correlated signals

    對于強干擾和信源強相關的情況,提出採用基於虛擬干擾源的mvdr波束形成方法,設計得到在強干擾方向存在深凹口的波束,以抑制強干擾源。
  6. For moving targets, the quasi - gauss - newton and trust region visual servoing control strategies are deduced based on pseudo - inverse estimation of image jacobian matrix

    針對運動目標,推導了基於圖像雅可比矩陣偽逆估計的偽高斯牛頓視覺伺服演算法和信任區視覺伺服演算法。
  7. A new diamond search algorithm for fast - matching motion estimation is proposed to replace the traditional three - step search algorithm in the motion estimation region. experiments results demonstrate that the application on the new diamond search algorithm optimized by mmx has magnificently improved the efficiency of compression ratio and computing speed

    實驗結果證明,經演算法改進和mmx技術優化的新鉆石搜索法遠勝於三步搜索法,大大提高了程序運行的效率,使系統達到了軟體實時編解碼的需要。
  8. In this paper, two important modifications in dct - based coding algorithm are suggested after making deep study on the generally used scheme of h. 263 coder. first, we find plenty of invalid computation in the transformation part of the h. 263 coder and an improved scheme based on the pre - transform decision to avoid invalid computation is proposed. second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences, and we suggest a new search algorithm which has variable search region based on the difference of motion level. combining the pre - transform decision scheme with variable search region method in motion estimation, a global decision coding scheme is provided, which greatly increases the coding speed of h. 263 coder

    本文對h . 263編碼演算法的現有實現方法作了深入的分析,首先發現變換部分存在大量無效運算,提出了在變換前加判決的前變換判決的編碼方案,以壓縮無效的變換運算;其次發現運動估計部分由於忽略了圖像場景的分級運動而存在一定的無效搜索運算,提出了基於分級運動的可變搜索域法來壓縮無效的搜索運算;最後將前變換判決方案與運動估計的可變搜索域法有機地結合在一起,提出了全局判決編碼方案,從而比較全面地改進了現有實現方法,因而能大幅度地提高編碼器的編碼速度
  9. Water use efficiency in shunyi is comparatively 12 - 50 % lower than national level at present for crops except rice and soybean, which means a great water - saving potential in the region according to comparison between experimental observation and estimation. for most crops, yield potential can hardly be increased. therefore, it is necessary to enhance water - saving efficiency of cropping in the region

    2 )比較當前順義區作物實際水分利用效率和全國平均的作物水分利用效率得出:除夏大豆和水稻外,順義區其它作物水分利用效率低於全國平均值12 ? 50 ,與當地試驗值和理論計算值相比,還有很大的增長潛力;而作物實際產量與理論產量的比較表明,大部分作物的增產潛力已不大,所以,種植業節水效率還有待于進一步提高。
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