鄰域運算 的英文怎麼說
中文拼音 [līnyùyùnsuàn]
鄰域運算
英文
neighborhood operation-
And based on these theories and methods, an image retrieval by region units is presented. first, when scan image orderly, continuously incorporate neighbor similar pixels in color and get several region units. then, write the values of color, shape, and position into database
基於這些理論與方法，提出了一種以區域塊為單位的圖像檢索方法，其基本思想是在順序掃描圖像的同時，運用遞歸演算法不斷合併四鄰域相似顏色象素得到若干區域塊，同時記錄下區域塊的顏色、形狀和位置等量化特徵。After a short - term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. the aim function is constructed for the practical situation of power system. on the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved
在提出基於相似日和線性外推的短期負荷預測新方法的基礎上，將負荷預測和設備動作優先級引入靜態無功優化中，並結合電網實際情況，構造了實用的目標函數，對遺傳演算法的適應度函數和群體多樣性的保持進行了改進，採用鄰域搜索運算元增加遺傳演算法的局部尋優能力。Based on ant algorithm with its mechanisms of transfer search and adjacent domain search, an ant algorithm model for the short - term optimal operation of hydropower station is constructed
摘要利用螞蟻演算法的轉移搜索和鄰域搜索機制，構造了水電站短期優化運行螞蟻演算法模型。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。Dc has two attractive characteristics : ( 1 ) dc can make genes in a chromosome keep good diversity. dc overcomes the evil of traditional crossovers, which cause gas get into prematurity. ( 2 ) dc well reduces algorithms " generations by guiding them to search in global optimal ' s neighborhood space
通過對交叉運算元產生新個體的機理以及實際問題的特徵進行分析后，本文提出一種基於非等位基因交叉運算的錯位交叉運算元，該運算元的主要優點在於： （ 1 ）能夠使種群個體的基因值更加有效地保持多樣性，克服傳統交叉運算元下演算法易於陷入局部最優解的缺陷； （ 2 ）引導遺傳演算法在最優解鄰域內搜索，從而提高演算法的優化速度。On the base of the analysis, we build up the vector fields of neighborhood variation ; put our emphasis on the description of the image edges and the domains of visual similar grey - level with the vector fields. after that, we find out the two methods used to detect the edges, the one with the biggest vector field, and the other with the perpendicular vector - pair of the biggest variation difference. the neighborhood size has got the great influence
在此基礎上，提出了基於鄰域灰度變化矢量場的圖像分割思想;建立了圖像鄰域灰度變化矢量場，並重點分析了鄰域灰度變化矢量場與圖像視覺邊緣、區域等特徵之間的關系;建立了最大鄰域灰度變化矢量的邊緣檢測運算元模型，基於鄰域灰度變化矢量場最大正交差異對的邊緣檢測運算元及區域檢測運算元模型;分析了鄰域選擇對邊緣擴展、噪聲抑制的影響。In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression
首先分析了經典的非參數法，對於四種具有代表性的核，從前述的三個性能評價方面做了分析和對比，指出了其速度快的優點和對非平穩圖像適應性差的弱點，針對非參數法的弱點，重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型，在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法，突破了空域濾波路線上區域相鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計，實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像，由此建立了殘余圖像的雙參數拉普拉斯模型，實驗表明其可以完好的吻合殘余圖像的概率密度曲線。Using expectation - maximization ( em ) cluster, the moving region was segmented into blocks with the smaller blocks combined with the neighbor bigger blocks
將運動區域採用em聚類演算法進行分塊，對其中的小塊向鄰近的大塊進行合併。Plenty of experiments show that it can effectively improve the synthetic speed of wl algorithm at the same quality. a method for automatic recognizing the size of neighborhood based on statistics is also presented, which can decrease the number of input parameters and be convenient for user ' s operating in texture synthetic algorithms sample - based using mrf model. finally, the future works about the technique of texture synthesis are introduced
通過大量的實驗表明，在合成質量與wl演算法相近的情況下，該方法使wl演算法的合成速度大幅度地提高，取得了良好的加速效果；運用統計分析的方法，針對採用mrf模型的基於樣圖的紋理合成演算法，給了一種鄰域大小自動識別的方法，進一步減少了紋理合成演算法的參數輸入數量，更方便了用戶的操作。We proposed an improved simulated annealing algorithm with neighbor function based on self - optimization of scale parameter. furthermore incorporating disaster - modification and the improved annealing into genetic algorithm, an improved genetic - annealing algorithm is proposed. in order to solve the deceptive minimum problem, an improved evolutionary strategy combined with similarity detection and improved mutation operator
提出了鄰域尺度函數自尋優的模擬褪火演算法，結合遺傳演算法，引入災變運算元，提出了改進遺傳模擬褪火演算法；為了解決尋優過程中的最小欺騙問題，我們提出了相似性檢測，結合改進的適應值無關變異運算元，提出了基於相似性檢測和適應值無關變異運算元的進化策略演算法。After obtaining structured light image ( sli ), sli is pretreated by region segmentation and 8 neighbor filtering. so the objective image is separated from background
針對獲得的結構光圖像的特點，運用p - tile參數法對圖像進行區域分割，並且採用8鄰域演算法進行去噪濾波的預處理方法，使圖像與背景清晰地分離。In capter 2, it is proved that the system possesses a global attractor and a two - side estimate for the fractal dimension of it is presented. in capter 3, several different approximate intertial manifolds of the system are constructed by applying linear galerkin method, method of projecting operator and operator eigenvalue and successive iterative method, and it is proved that arbitary trajectory of the system enters into a small neighbourhood of the global attractor after large time. capter 4 studies the asymptotic attractor of the system by constructing a solution sequence which approaches to the global attractor of the equation in long time, and the dimentional estimate of the asymptotic attractor is given
第二章證明了該系統的整體吸引子的存在性，給出了其分形維數的上下界;第三章利用線性galerkin方法、運算元投射和運算元特徵值方法及逐次迭代方法構造了幾類近似慣性流形，證明了該方程的任意解軌道在長時間后進入整體吸引子的任意小鄰域;第四章構造了一個有限維解序列即該系統的漸近吸引子，證明了它在長時間后無限趨于方程的整體吸引子，並給出了漸近吸引子的維數估計The new algorithm can determine the nearest neighbors of lle automatically, estimate the intrinsic dimensionality, save lots of operation, and eliminate noises. these validities can be confirmed through experiments
該演算法能夠自動確定lle中對數據點鄰域值的選擇，估計原始數據的本徵維數，減少運算量，並對噪聲有一定的抑制作用。The prior information of pixel intense distribution is introduced. then simulated annealing algorithm is applied to choose the proper neighborhood structure, and the optimal estimate can be obtained
引入像素強度的先驗概率分佈模型，運用模擬退火演算法選擇合適的鄰域結構，獲得強度的最優估計。分享友人