自然背景值 的英文怎麼說

中文拼音 [zìránbēijǐngzhí]
自然背景值 英文
background level
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 背 : 背動詞1. （用脊背馱） carry on the back 2. （擔負） bear; shoulder
  • 景 : Ⅰ名詞1 （風景; 景物） view; scenery; scene 2 （情形; 情況） situation; condition 3 （戲劇、電影的...
  • 自然 : 自然at ease; natural; free from affectation
  • 背景值 : background level
  • 背景 : （布景; 襯托主體事物的景物; 對人物、事件起作用的歷史條件或現實環境） background; backdrop; setting
  1. This thesis deals with the application of image segmentation to the automatic identification of a bar code image with a complex background. the bar code image is segmented by the program which is coded by vc + + 6. 0, then by image erosion, the background such as characters etc is processed, yielding isolated points which are filtered by a median filter. the relative position of the bar code does not change

    本論文將圖像分割應用在有復雜背景的條碼圖像自動識別上，運用vc + + 6 . 0編寫的程序，處理分割的條碼圖像，然後用圖像腐蝕的方法，處理圖像上的文字等背景使其變成一些孤立點，再通過中值濾波去除圖像上的噪聲點，此時圖像中條碼的相對位置不變。
  2. Based on the previous background and situation, this dissertation tries to analyze the traditional village in the xerothermic area of northwest china from the influences of ecological environment ( especially regional climate ) on architectural form ; re - realize the value of traditional village ' s adapting to the natural environment ( especially climate ), and re - recognize the value of traditional village in " survival gene " and seek a feasible pattern for the sustained development of this region ' s living environment

    本論文正是基於以上背景和條件，從生態環境（特別是地域氣候）對建築形態影響的角度出發對我國西北乾熱氣候區傳統聚落進行剖析，重新認識傳統聚落在適應自然環境（特別是氣候）方面的價值；重新認識傳統聚落「生存基因」方面的價值，為該地區人居環境的可持續發展尋求一種可行的模式。
  3. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「土壤水分背景」的概念，並以之為基礎對其各個方面進行了研究，使之形成一個相對獨立和完整的體系，主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等： （ 1 ）由於植被生長發展、演替的基礎階段是天然草被群落，故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況； （ 2 ）黃土高原的土壤水分背景值，根據植被地帶的不同表現出自南向北逐漸降低的規律：森林地帶3米以下土層水分背景值普遍穩定地高於12 ，森林草原地帶4米以下土層水分背景值穩定大於6 ，且均隨土層的加深水分含量逐漸增加，而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。
  4. ( 3 ) when the threshold of excess green, which is generated by red, green and blue without being normalized, is set at 30, it can correctly segment plant from soil background. the correctness is over 99 %

    （ 3 ）沒有歸一化的過綠特徵受自然環境的影響較小，當取全局閾值30時，就能夠有效識別植物與非植物背景，正確識別率在99以上。
  5. 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。
  6. The fengtu charitable granary is a research object to the thesis, first, set out from the traditional agriculture culture, and set a background with the the history of granary system granary construct, combinatively based on the economy and political of weibei in in the end of qing dynasty, analyzed the fengtu charitable granary history of the origin and development and its military intention which showed in the origin. lt combinatted the nature geography general situation of the east of guanzhong and the history of the ancient city of chaoyi, discussed the double significances of the store for grain and military in the choose the site of the fengtu charitable granary ; at the same time analysised and compared with the other granary constructs

    在光緒末年到宣統年間，大部分義倉已經消失，而豐圖義倉仍然完整地保存著，一定有其歷史原因與存在價值。本文能在這方面起到補充和拾遺的作用。本文首先從傳統農耕文化出發，以古代倉廩制度和倉廩建築的歷史為背景，結合清末渭北政治經濟，分析了豐圖義倉歷史沿革及其建造起源中所體現的軍事意圖；結合關中東部的自然地理概況和朝邑古城的歷史，論述了豐圖義倉選址中儲糧功能和軍事性質的雙重意義；同時與其它倉廩建築進行了分析和比較。
  7. Melp vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional lpc vocoders, and add a jitter voicing state to overcome the tonal noise. parameters " interpolation, adaptive spectrum enhancement and pulse dispersion also are adopted to improve the continuity. the synthetic speech of melp vocoders sound much more natural and perceivable than the traditional vocoders "

    Melp聲碼器採用混合脈沖和噪聲激勵解決了經典lpc的嗡嗡聲的問題；引入了抖動濁音狀態以克服音調噪聲；利用參數插值、脈沖散布和自適應譜增強等措施提高合成語音的自然度和可懂度；此外還採用了多帶激勵，使其具有了比較強的抗背景噪聲的性能。
  8. To provide the necessary background information for the subsequent task of identifying suitable solution spaces for future development, we have conducted a preliminary assessment of the principal constraints ( e. g. ecological and nature conservation area, archeological sites and military sites etc. )

    要為未來發展開拓合適的發展空間，我們必須先提供充足的基本背景資料，因此我們已就香港主要的土地限制進行了初步評估（如生態及自然保育地區、具建築價值的地點及軍事地點等） 。
  9. The important research is about the theory and methods of the cluster analysis in view of statistical theory, the theory and methods of fuzzy cluster analysis, the fkn " s structure and the fkn ' s study algorithm ( fkn, fuzzy kohonen network ) - the organic fusion of the fuzzy c - means algorithm and self - organized feature map neural network. the paper proposes the ifkn ( improved fkn ) on the basis of the hard classification idea and the soft classification idea, then carries on the cluster analysis of the artificial synthetic control chart time series through matlab program and tt ? cluster result matches the cluster result of the famous dataengine " s software of the intellectual data analysis and data mining from german mit company. finally, the paper discusses the applying of the cluster analysis to the control process, which can be widely applied to the pattern recognition of the parameter " s changing trend during the control process and the image partition processing, and utilizes the ifkn to recognize the thermotechnical parameter " s changing trend based on the engineering of clinker sintering rotary kiln automatic control system of guizhou " s aluminium factory, through which good effect is obtained

    數據挖掘技術在商業領域中已廣泛使用，然而在工業過程式控制制中的應用卻極少，本文正是在這種背景下，對數據挖掘中的聚類分析方法及其在工業過程式控制制中的應用研究作了償試，重點研究了基於統計理論的聚類分析理論和方法，模糊聚類分析理論和方法及模糊kohonen網路（ fkn ）的結構與學習演算法，即模糊c ? ?均值演算法與自組織特徵映射神經網路（ kohonen網路）的有機融合，並根據硬分類思想及軟分類思想提出了改進的模糊kohonen網路（ ifkn ） ，通過matlab編程對人工合成控制時序圖數據集進行聚類分析，其聚類效果與當今廣泛使用的數掘挖掘軟體平臺，德國mit公司著名的dataengine智能數據分析和數掘挖掘軟體的聚類效果相當，最後，論述了聚類分析在控制中的應用，它可以用於過程式控制制中的參數變化趨勢的模式識別及圖象分割處理等具體應用中，並以貴州鋁廠熟料燒結回轉窯自動控制系統為工程背景，利用ifkn識別其熱工參量變化趨勢，取得了較理想的效果。
  10. Meanwhile, given the way in which the gdp figures are compiled based on what is called the expenditure approach the increasing current account surplus will, statistically, be reflected readily in the gdp figures, which will need to be interpreted against this complex background

    不過暫時來說，受到本地生產總值的編制方法即所謂的支出計算方法影響，從統計角度來看，不斷增加的往來帳盈餘自然會反映在本地生產總值的數字上。要詮釋這些數字，就必須顧及這些復雜的背景因素。
  11. This paper study the jinjiang landslide, integrative application of geological history genetic analysis, limiting equilibrium method and numerical analysis, by analyzing physical geography condition and geological background of the investigated area, this paper researched basic features and genetic mechanism about the landslide, and evaluated sensitivity factors and the current stability as well as development tendency about the landslide ' s stability ; based on these, recurring to experience formula and correlation theory, this paper forecasted the events about landslide damming of river and surge caused by the slope failure, in addition, and evaluated the harmfulness

    本文以該滑坡為研究對象，綜合運用地質歷史成因法、極限平衡方法及數值分析法等方法，通過對研究區自然地理及地質背景的分析，研究了滑坡的基本特徵及成因機制，評價了影響滑坡穩定性的敏感性因素及其發展演變狀況；在此基礎上，運用經驗公式以及相關理論計算對滑坡失穩可能引起的堵江及涌浪事件進行分析預測，並進一步對其危害性做出評估。
  12. Taking the key scientific and technological project of henan province “ the development of the binocular vision surveillance system ” and henan innovation project for university prominent research talents “ the distributed image segmentation based on the pgf and fuzzy technology ” as the research background, this thesis devotes main efforts to the research of some problems of the face recognition ( especially the problem of the eyes location ), mainly including : ( 1 ) considering the eyes location in gray image with complex background, an improved method of human eyes location is presented based on the threshold

    本文以河南省自然科學基金攻關項目「雙目視覺監控系統研製」和河南省高校傑出科研人才創新工程項目「基於pgf和模糊技術的分散式圖像分割」為依託，對人臉識別中的若干問題，特別是人眼定位，進行研究。主要工作歸納如下:第一，針對復雜背景下灰度人臉圖像中人眼定位的問題，本文提出了一種改進的基於閾值的人眼定位演算法。
  13. At first the background and train of thoughts of the research are described in the introduction which also summarizes the foreign and domestic empirical studies of relative issues. secondly, the paper introduces the theory of m & a and the effect of m & a on the company ’ s efficiency is analyzed based on the relative theory which provides a theoretical basis thus introduce eva into the evaluation system for the m & a behavior in chapter 3 for the latter research. chapter 4, as the core of the paper, describes the development of listed companies ’ m & a in china, confirms the period of m & a samples chosen in the paper, and conducts an investigation into the performance of m & a using the model built on eva

    首先在緒論中提出了本文的研究背景、研究意義、研究思路和研究方法;然後對企業並購理論方面已有的研究成果進行總結，並對中外的研究方法進行述評，在對現有研究方法的缺陷進行分析后，提出了自己的觀點:引入業績評價指標? ?經濟增加值eva來對並購公司的績效進行評價;第三章對eva評價法從其定義、特點、計算方法和其相關研究結論入手進行了一系列的構建，解釋了eva評價法的優越性和引入該指標的可行性，同時通過實證研究驗證了eva在評價並購績效時的有效性，為下面實證研究做了理論分析基礎;第四章是本文的核心部分，介紹了我國上市公司並購的發展狀況，確定了實證研究的現實背景和樣本選擇，並用eva指標研究了上市公司並購后的短、中期績效;最後，概述了本文所取得的成果及運用現有的並購績效理論對研究結果進行了合理的解釋和研究的不足，並結合實證研究結果對我國並購行為提出了筆者的建議。
  14. When processing the shadow of foreground moving objects, in order to overcome the influence of illumination change of part or integrity in the image, the color model of brightness distortion and chrominance distortion is established to distinguish shaded background, highlight background, original background and foreground objects, and then select the threshold automatically to classify the pixel points in the image

    在處理前景目標的陰影問題時，為了克服了圖像局部或整體的光照變化的影響，通過建立亮度變化和色度變化的彩色模型，來區分陰影背景、高亮背景、普通背景及前景目標，然後自動選擇閾值對圖像的像素點進行分類。
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