索運算元 的英文怎麼說
中文拼音 [suǒyùnsuànyuán]
索運算元
英文
sobel-
In the fourth chapter, several methods for handling constrains by genetic algorithms for nonlinear programming problems are introduced. these methods were grouped into four categories : methods based on preserving feasibility of solutions, methods based on penalty functions, methods which make a clear distinction between feasible and infeasible solutions and other hybrid methods
在第四章中介紹了處理約束的四類方法：運算元修正法，罰函數法，可行域搜索法，以及混合遺傳演算法，並對這些方法做了詳細的分析，指出了他們優劣之處。Designing and calculating subsystem is the core of the whole system. it is based on the limit design method of bearing, designs parameter depend on relational data base and transmit the datum that has been searched to graph managing subsystem through data interface
設計計運算元系統是本系統的核心，它以「軸承極限負荷設計法」作為設計基礎，應用關系型數據庫管理設計參數，並通過數據介面將檢索出的數據傳遞給圖形處理子系統。At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm
為提高演算法的性能，作者對遺傳演算法進行三種改進：首先，為克服遺傳演算法早熟收斂，作者提出一種新的二元浮點補碼變異運算元；其次，模擬生物自然進化模式，為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接；最後，作者提出一種區間分解優化思想，來提高對最優解的搜索能力。It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one
從代價函數的梯度入手推導出共軛梯度演算法，其搜索方向保持不變而搜索步長變小，使濾波系數更加退近於點擴展函數逆運算元，從而使估計圖像與原始圖像更加接近。In chapter 1, we briefly reviewed the risk theory and its development. and the significance about this paper was expressed. in chapter 2, we introduced classical risk model. in which, making this risk process into a strong markovian process is the preparation of deriving the main results. chapter 3 is the main body of the paper, we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time. the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time. we also take advantage of change of measure idea from it
第二章介紹了經典風險模型，其中用逐段決定馬爾可夫過程理論及補充變量技巧，使一類風險模型的盈餘過程成為齊次強馬爾可夫過程。第三章作為本文的主體部分，在索賠到達間隔服從虧時幾何分佈的連續時間風險模型中，索賠額分佈為一般分佈，它的破產概率可以利用pdmp中的廣義生成運算元得出鞅，通過調節系數的選擇以及在相應測度下的測度變換，使得破產概率的一般解可以表示出來。This paper includes three chapters. several elementary concepts of pdmp and the extended generator of pdmp are introduced in the first chapter. the classical risk model and the sparre andersen model are introduced in the second one. the third chapter is the main body of this paper in which the ruin problem of sparre andersen model with geometric distribution of claim inter - occurrence times is considered and the lundberg bound is derived
本文共三章。第一章是預備知識，介紹了逐段決定馬爾可夫過程的一些基本概念及pdmp的廣義生成運算元；第二章介紹了經典風險模型及sparreandersen模型；第三章是本文的主體，討論了索賠到達間隔服從幾何分佈的sparreandersen模型的破產問題。In the study of risk theory, a class of continuous time risk process with deficit - time geometry distribution of claim inter - occurrence time was made into a strong piecewise - deterministic markov process with the theory of piecewise - deterministic markov process and by introducing a supplementary variable. martingale approach is one of the most powerful methods of pdmp. the programming process is getting the ruin probability from the martingale construction. we use the idea of change of measure in the programming process and find the result and the function of adjustment coefficient
本文應用逐段決定馬爾可夫過程理論及補充變量技巧，使索賠到達間隔服從虧時幾何分佈的連續時間風險過程成為齊次強馬爾可夫過程，然後利用pdmp中的鞅方法（用廣義生成運算元得出鞅）推導了鞅的形式，作為該風險模型索賠額分佈為一般分佈下的破產概率的一般表達式，其中用到了測度變換的思想。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幀，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最寬幀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最窄幀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型。 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型的自動初始化之後，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幀中其實際坐標，從而重構出腿部骨架的運動過程。In this paper, we propose an improved evolutionary algorithm combining diversity maintaining mechanism and accelerating operators, which focuses on the contradiction between the maintenance of population diversity and search efficiency in solving multimodal function global optimization problem on a bounded area
摘要針對演化演算法求解有界區域上的多峰函數全局優化問題中，保持種群多樣性和搜索效率的矛盾，提出了一種結合了多樣性維持機制和加速運算元的改進演化演算法並對演算法作了收斂性分析。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。In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series
在選型計算模塊中，通過換熱器設計計算、管束組件的布管方式分析、數據庫的檢索，開發了浮頭式換熱器輔助設計計運算元系統；在布管定型模塊中，按照確保殼程流體流動均勻、且換熱器殼體的內徑較小、管程殼程間換熱良好且節省材料的原則，根據設計計算參數建立了自動布管定型系統；在零部件圖和裝配圖自動生成模塊中，分級分類地開發了浮頭式換熱器所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫，運用「死圖活尺寸」的開發理念，開發了圖形自動生成與管束參數化設計的集成系統。About the retrieval technique of the video, this paper analysed the basic principle and the key technology of content ? ased retrieval, have designed one content ? ased video retrieval system ' s frame model, and distillde the edge characteristic in static characteristic, expounded one arithmetic that based on modified laplace operator and obtained a better result
對于視頻檢索技術，分析了基於內容檢索的基本原理及關鍵技術，設計了一種基於內容視頻檢索系統框架模型，並對靜態特徵中的邊緣特徵提取，提出一種基於拉普拉斯運算元的改進演算法，取得了較好的效果。The main research work of dissertation can be concluded as follows : 1. two kinds of hybrid strategies of genetic algorithms and tabu search are discussed systematically in this paper. the idea of tabu search is introduced to improve crossover operator and mutation operator of genetic algorithms for the first strategy, while tabu search is executed to a certain proportional selected individuals in the population after genetic evolution of every generation for the second strategy
本文的主要研究成果概括如下: 1 .論文比較系統地探討了遺傳演算法和禁忌搜索演算法的兩種混合策略:第一種是利用禁忌搜索的思想來改進遺傳演算法的交叉運算元和變異運算元;第二種是對每代中交叉變異后得到的新種群中的一定比例的個體進行禁忌搜索處理。Then the research of algorithms of texture - based image retrieval is devised from the following three aspects : 1. texture - based image retrieval algorithms in spatial domain : perceptual - based tamura texture feature is analyzed ; run - length texture analyzing algorithm is improved ; four laws " texture operators which perform better in texture analyzing are achieved
空間域紋理分析方法方面，分析了對應於人眼視覺感受的tamura紋理特徵，將遊程長度紋理分析演算法改進為遊程累加的紋理檢索演算法；總結出在基於紋理特徵的圖象檢索中四個有效的laws紋理能量運算元。In the module of vehicle license plate detection, a novel classifier fusion - based algorithm is proposed. after locating candidate license plate regions, features of these regions are extracted for the optimal feature subset by exhaustive search strategy. based on classifier fusion theory, simple average ( sa ) method and two weighted average ( wa ) methods are applied
針對車輛牌照的檢測模塊，提出了一種新的基於分類器融合技術的車輛牌照檢測演算法：從候選車牌區域中提取車牌區域特徵，搜索出候選車牌區域的最佳特徵組合，應用簡單平均運算元和加權平均運算元進行融合判斷，定位車牌區域。It has strong optimization ability. in this paper, clone selection algorithm ( csa ) based on clone and selection operator for multi - modal functions and non - stationary functions was presented. simulations were conducted
本文借鑒b細胞的克隆選擇機制，通過構造克隆選擇運算元，提出了一種用於多模態函數和時變函數優化的克隆選擇演算法，進行了模擬驗證以及應用探索。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。According to the rules and considerations which are based and taken into account in the practical work, this paper proposes a new model for distribution maintenance scheduling which intends to find the most economical maintenance schedule without violating any restrictions and also the paper makes a deep research of ga, sa and ts. by constructing two effective instructive rules which derive from the feature of distribution maintenance schedule and introducing ts into mutation operation of ga in the earlier generations, the proposed method improves the convergence of optimization and shortens the calculation time. the proposed model and method are applied to a practical system, and numerical results verify ' the correctness and validity of them
本文結合實際電力調度計劃工作中檢修計劃的制定原則和所要考慮的各種因素，抽象出適合配電網檢修計劃優化的數學模型：對遺傳演算法、模擬退火演算法以及禁忌搜索演算法等多種演算法進行了研究和分析比較，針對遺傳演算法的不足提出了通過對實際問題的分析抽象出一定規則指導演算法在解空間進行搜索和兩階段變異運算元兩項改進措施，並應用於配電網檢修計劃優化，編制了相應的應用軟體；應用該軟體對我國南方某地區供電局某月的檢修計劃進行優化的結果表明，本文所提出的模型和改進的優化方法是正確和有效的。The paper also analyzes synthetically the effects of some smooth filters prior to image segmentation and indicates that gaussian lowpass filter, a alterable scale filter, is a good choice to establish a balance between the reservation of image details and removal of noise. on the basis of current investigation of actuality and trend of image segmentation at home and abroad, the paper adopts marr operator, called by optimal edge detection to improve greatly efficiency of image segmentation and edge abstract. the sparse edge
論文在分析當前圖象分割的現狀和趨勢的基礎上，採用被稱為最佳邊緣檢測運算元的marr演算法，使圖象分割和邊緣提取的準確性得到了很大的提高；利用人機交互輔助的方法來搜索已經檢出的稀疏邊緣點，並用最小二乘法擬合這些邊緣點，使裝配間隙寬度的測量的精度和準確性得到了極大的保證。With the help of the search technique based on traditional optimal methods, gradient operator cross search operator and evolution operator are exploited to strengthen the local search ability of genetic algorithm
第3章借鑒了傳統優化方法中的搜索技術，開發了梯度運算元、正交搜索運算元和進化運算元以強化遺傳演算法的局部搜索能力。分享友人