illumination model 中文意思是什麼

illumination model 解釋
光照模型 照度
  • illumination : n. 1. 照明,光照;照(明)度;〈常用 pl. 〉 燈飾。2. 啟發,啟蒙。3. (手寫本的)彩飾。illuminative adj.
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. 1. basic computer realistic graphics algorithms, including illumination model, raytracing, radiosity, texture mapping and so on

    所涉及到的主要演算法有光照明模型、光線跟蹤演算法、輻射度演算法、紋理映射技術等。
  2. In chapter 5 we develop a new quantity optics based illumination model by incorporating a self - radiation term of the object in traditional illumination model. our new model is suitable both for ir waveband imaging and for visible waveband imaging. the model successfully simulates the natural radiation phenomena such as the color of iron during the different fused phases

    本文第五章從量子光學的理論出發,提出了一個新的基於量子光學的光照模型,該模型在傳統光照模型的基礎上增加了一項物體自身量子輻射項,可同時適用於紅外波段和可見光波段的成像
  3. Presents a method for sfs based on model of polyhedron. we carry out the algorithm by solving a overdetermined linear equations which is constructed through the distributing of the vector field. the algorithm can reconstruct 3d surface from photometric stereo image given the direction of illumination

    針對目前「從明暗恢復物體形狀方法」存在的問題,提出了以多面體模型為基礎的快速演算法,根據向量場的分佈建立關於物體表面深度信息的超定線性方程組,在最小二乘意義下求得物體表面的深度值。
  4. A statistical method is used to obtain the background model, which is updated real time in order to adapt to illumination changes and scene changes. after threshold operation, morphologic operation and connected region area measurement are introduced to solve background disturb problem. at last, shadows are detected using hsv color space information and gets exact moving regions

    該方法首先利用統計的方法得到背景模型,並實時地對背景模型進行更新,以適應外界光線變化和場景本身的變化,閾值操作后,用形態學和連通域檢測的方法進行后處理,消除噪聲和背景擾動帶來的影響,最後,在hsv顏色空間下檢測出陰影,得到準確的運動對象區域。
  5. A model of i - v characteristics under illumination in gan - based metal - semiconductor - metal photodetectors has been built, using steady - state continuity equations and including the effect of surface states

    通過求解一維電流連續性方程和傳輸方程,同時考慮表面態陷阱的作用,建立了gan基msm結構紫外探測器在穩態光照下i - v關系的解析模型。
  6. It is impossible to completely avoid the color distortion caused by the hardware of machine vision system and the illumination of lighting chamber, so if should be corrected with proper correction model

    由於機器視覺系統硬體設備的局限性及光照環境引起的圖像色度失真不可避免,應採用適當的校正模型予以校正。
  7. The paper points out that different material must be imitated through different methods. in the paper, the standard material is imitated by using illumination model, and the non - standard material is imitated by using texture and illumination model. last, using the realistic image synthesis technique, material function and the rendering technique, i realize the scene modeling, projection transformation, visible - surface detection, illumination model and surface rendering in this paper

    其次,根據材質屬性的不同將材質分為標準材質和非標準材質,並且根據材質的不同屬性而採用不同的方法進行模擬,對標準材質,如銅、鐵通過光照明模型技術來模擬;對木材等非標準材質通過紋理映射技術來逼真的模擬,並分析總結出模擬各種材質的經驗模型,即一個初步的紋理生成函數,在此基礎上對函數進行了數學演變,最終建立一個比較完善的紋理生成函數,並且對函數中的主要影響因素進行了分析。
  8. The method is better than others. firstly, the system sets up several models to assist detection work, such as road model, illumination model, shadow model and relationship model among them ; secondly, it introduces hue. saturation degree information to distinguish vehicles from shadow ; thirdly, it makes use of binary decision tree to analyze pressing line of vehicles to improve the reliability of the system ; fourthly, it puts forward a way of one dimension video tracing to resolve the problem of vehicle velocity detection

    該方法通過設置在每條車道中的兩條相互垂直的虛擬檢測線來檢測交通流信息(如車流量、車速等) ;設計一種彩色分段檢測技術來提取運動車輛的尺寸信息和色彩信息,再利用分類決策樹和濾波演算法確定運動車輛存在與否,增強了車輛、陰影、噪聲和背景之間的區分能力;設計了一種車速視頻檢測方法。
  9. In this thesis, we propose a new spherical. harmonics based 3d texture model - illumination - dependent texture ( idt ). this texture model concentrates on presenting the 3d surface detail effects due to light movement, and ignores the effects caused by variation of viewing direction

    本文提出了一種新的基於球面調和函數分析的3d紋理技術?光照相關紋理,著重表現3d紋理表面在不同光照下的視覺效果,同時忽略視角因素的影響。
  10. The predicted result by the model agrees with the experimental date from literature. the current under illumination and the responsivity change sharply with the biased voltage in the insaturation region can be explained by our model

    所建立模型的理論計算結果與文獻報道的實測結果一致,該模型成功解釋在非飽和段穩態光照下電流與響應度隨偏壓快速變化的原因。
  11. Aimed at the defects in the classical agriculture expert system, such as the lack of dynamic prediction function, mechanism illumination and low utilance, an improved framework of distributed agricu1ture expert system based on artificial plant growth model is proposed

    摘要針對傳統農業專家系統存在著缺少動態預測功能及機理性解釋的不足和利用率低的缺點,設計了一種虛擬植物生長模型、農業專家系統和分散式虛擬現實技術的集成框架。
  12. Aimed at the defects in the classical agricultural expert system, such as the lack of dynamic prediction function, mechanism illumination and low utilance, an improved framework of distributed agricultural expert system based on artificial plant growth model is proposed

    摘要針對傳統農業專家系統存在著缺少動態預測功能及機理性解釋的不足和利用率低的缺點,設計了一種虛擬植物生長模型、農業專家系統和分散式虛擬現實技術的集成框架。
  13. Using kalman model and gaussian random phase - screen fft, we simulated the distribution of illumination beam through long distance atmosphere and its frequency character. also other facts in simulation were analysised, such as reflection of niaterial under natural lighting, point spread function of optic system and electronic noise

    文中用kalman譜模型和菲涅爾衍射的fft技術實現了照明光大氣傳輸的數值模擬,分析了照明光分佈規律,並提出了材料反射特性、光學系統、採集系統和圖像噪聲的模擬方法。
  14. The main contents can be listed as follows : 1. after analyzing the properties of the natural illuminating system, a region - based background and natural illumination model is set up using the histogram of image difference and rls filter. on the basis of that model, we propose an adaptive algorithm of judging and updating background image

    基於戶外自然光照系統的特點,建立了基於圖像差分直方圖和遞推最小二乘濾波( recursiveleastsquarefilter ,簡稱rls濾波器)的局域化背景和光照變化模型,提出了自適應的背景判斷和更新演算法。
  15. This discourse probes into the effects of the operative technology applying in the illumination model to improve the authenticity of a menu

    本文重點探討了在畫面真實性處理中光照模型的實用技術的作用。
  16. For consideration of principle of photometry and experimental research, with 2d gray image of typical surface ( spherical surface ) taken with digital camera, and by use of nonlinear least square optimizing method, the illumination parameters of four local illumination models, that are lambert, phong, torrance - sparrow and cook - torrance model, are determined. and with statistics analytical principle, regression analyses are made to compare the fitting precision of these illumination models under the current experiment condition. comparing torrance - sparrow model with others, an improved illumination model for measurement of surface is developed

    結合光度學原理,從實驗研究入手,通過用數字相機實際拍攝的典型曲面(球面)的二維灰度圖像,應用非線性最小二乘優化方法研究確定了現有的lambert 、 phong 、 torrance - sparrow和cook - torrance四種常用局部光照模型的光照參數,利用統計分析原理分析了這四種光照模型在當前實驗條件下對實際圖像灰度數據的擬合精度,並對擬合精度較高的torrance - sparrow光照模型加以完善和改進,發展出一種適合於曲面測量的改進光照模型。
  17. The design of yarn is a rather important tache, it can easy get the yarn ' s math model according to its geometrical structure, the paper has bright forward a quick illumination - rendering method that based on hsl / rgb, the advantage of this rendering method is its speediness compared with the traditional rendering method such as phong - rendering method. random diffuse algorithm can add the effect of 3d of the yarn

    根據紗線的結構建立相應的數學模型,本文提出一種基於hsl rgb顏色空間轉換的快速光照繪制方法,該方法與傳統的光照模型如phong光照模型相比可以在很短的時間內對紗線進行光照效果的處理,加上隨機擴散演算法,使得繪制出的紗線更具有真實感。
  18. The building and calculating of illumination model due to several problems about realistic rendering, this paper presents how to build and calculate the illumination models. a numerical result is then concluded

    光照模型的建立和計算從真實感體繪制的角度出發,根據光學傳播和輻射原理導出模型,並給出了模型的數值解。
  19. With the basis of the theory and numerical solution of ideal lambert diffuse model on shape from shading, the image irradiance equation based on improved illumination model is derived, thereby the fact is disclosed that the question of reconstruction from a single gray image is how to solve a nonlinear partial differential equation

    在針對理想朗伯漫反射模型所提出的由單幅灰度圖像重構曲面的理論和計算方法基礎上,導出了基於改進光照模型的單幅灰度圖像光照度方程,揭示出基於單幅灰度圖像的曲面重構問題實質是一個非線性偏微分方程的求解問題。
  20. The content of this dissertation includes following subjects : the ir imaging model of city buildings, the realist image synthesis between ir target and the ground background, the real time walkthrough for dynamic ir scene, a quantity optics based illumination model for ir image synthesis and the realistic fusion of multi - spectral images, etc. in chapter 1, we first introduce some primary knowledge, research contents, application domains and related research works about ir technology and infrared image synthesis

    內容涉及以下幾個方面:城市建築物紅外成像模型、地面目標與背景的真實感紅外合成、動態紅外場景的實時生成、基於量子光學原理的紅外成像光照模型和多光譜融合真實感成像等。本文第一章介紹了紅外技術和紅外成像模擬技術的基本知識、研究內容、應用領域和國內外發展現況。指出利用計算機圖形學特別是虛擬現實的最新技術將是今後的發展方向。
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