比值合成圖像 的英文怎麼說
中文拼音 [bǐzhígěchéngtúxiàng]
比值合成圖像
英文
ratio composite image- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 像 : Ⅰ名詞1 (比照人物製成的形象) likeness (of sb ); portrait; picture 2 [物理學] image Ⅱ動詞1 (在...
- 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
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Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations
結果對盲腸腫瘤微血管網進行數值模擬,與改進前的模型和其他模型比較,本模型生成的腫瘤微血管網結構特徵,如血管的走向、扭曲、分叉與融合等,更接近生理實際,與實驗觀測圖像的相似度更高。Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images
論文的主要工作和成果包括:在像素層,論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟,歸納了多源遙感圖像像素層融合的常用演算法,並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾,在sfim演算法的基礎上,將ihs變換與sfim相結合,將原演算法中的均值濾波器改進為自適應加權均值濾波器,提出了一種改進的sfim演算法,通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗,證明了該演算法在保持原多光譜圖像光譜信息的同時,能夠有效提高融合圖像的空間分辨能力。Some features and feature groups that can well show the characteristics of urban environment are founded through experiment to compare the performances of different features. for all the researches in this paper, the radarsat images in 1998 and 2000 and the spot image in 2000 of beijing and field survey data are used to validate. the experimental result demonstrates that a higher change detect accuracy can be obtained < wp = 4 > through the texture differencing method than through the image differencing method based on gray level and the wide application of texture differencing method for urban change detection in sar images
本文開展的各項研究工作,均使用北京地區1998年、 2000年radarsat圖像、 2000年spot圖像及實地考察數據進行了驗證,實驗結果表明,與灰度差值法相比,本文所提出的紋理差值變化檢測方法獲得了更好的檢測結果,也表明了紋理差值變化檢測方法在合成孔徑雷達圖像和變化檢測中良好的應用前景。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome
本文中提出了若干有價值的新思想、新方法,完成了以下內容:首先,提出了數字視頻監控的功能結構,描述了數字監控系統的組成、特點和發展現狀;然後研究了適合於跟蹤監控的攝像機坐標系,提出了一種雙角度攝像機坐標以適合本系統的實際應用;討論現場圖像的預處理,其中包括灰度級變換、噪聲濾波和圖像恢復;在運動監測中,比較了幾種常用的運動檢測方法的優缺點,提出了一種基於時域和空間域的圖像檢測方法;另外,在得到運動物體的圖像時,採用矩形框技術填充由於差分圖像造成的孔洞,此方法簡單可靠,有較大的實用性。On basis of inierpretation to the tm images of the researched area, we utilize characteristic information picking techniques, such as ratio technique, self adapting enhancing, spatial filter, to pick up the information of the geologic structure and rocks. combining the geochemical properties of the elements and the ore cofltrol conditions, we analyze the mineralization conditions of the researched area, predict the mineral resources in the area, and put oot the geologic remote sensing prediction mode, block out the target region of mineralization
本文在研究區tm圖像解譯的基礎上,主要利用了比值技術、自適應增強、空間濾波、等特徵信息提取技術,對本區地質構造信息和巖石信息進行了提取,結合有關元素的地球化學性質及控礦條件,對研究區的成礦地質條件進行了分析,對研究區的礦產資源進行了預測,提出了地質遙感預測模式,圈定了成礦靶區。Thirdly, we present a new algorithm on texture synthesis, which not only has rapid speed with the help of " synthesis consistency " but also gives pixels in the image vision - related weight to get good result. fourthly, we present an open framework about tsfs with " shadow texture ". finally, we describe a new texture synthesis method based on multiple samples, which integrates patch - based technique and the principle of minimum neighborhood error between pixels, and synthesizes in a repeat way
該演算法不僅利用「紋理塊的連貫性」 ,加快了紋理合成的速度,而且通過給像素附上與視覺相關的權值,得到了比以往更好的合成結果;作為進一步的研究,本文還提出了利用「伴隨紋理」進行紋理合成的開放式框架;最後本文介紹了一種新的多樣圖紋理合成演算法,該演算法基於塊匹配技術與像素的鄰域誤差最小原則,同時採用多次合成的方式,對大多數紋理都取得了較好的合成效果。First, author studies oppressive jamming technology of sar based on its system gain, analyses its fundamental theory and jamming mechanism, programs an integral simulation software which produces noise data of several kinds, at the same time carries out many simulation experiments under different noise - to - signal ratio of each noise type, then makes in - depth analysis and comparison on those images resulting from simulation experiments and summarizes some conclusions of theoretical and practical value
作者首先在分析合成孔徑雷達系統增益的基礎上研究了壓制性干擾技術,分析其基本原理及干擾機制,編制了一個完整的干擾模擬軟體,產生多種類型的噪聲數據,針對每種噪聲類型又調整其噪信比進行了大量的模擬實驗,然後對實驗的結果圖像進行了深入的分析、比較,總結出了具有一定理論和實用價值的結論。We discuss the visual information from texture image and the cause of texture distortion, and then present a simplification algorithm with texture in chapter three. the visual information from different parts of texture image is measured by color variation, and the possibility of texture distortion is measured by the unevenness of texture intensity ( the area of a triangle ' s corresponding texture divided by its area in geometric space )
該演算法考慮了紋理扭曲的成因和紋理圖像內容對視覺的影響,用邊緣檢測的方法度量紋理圖像上不同區域對視覺影響的大小,用紋理密度(三角形對應紋理區域的大小和它在三維空間中面積的比值)的變化度量紋理扭曲發生的可能性和嚴重程度,並把這些與紋理相關的誤差度量和幾何誤差度量結合。分享友人