volume rendering 中文意思是什麼

volume rendering 解釋
立體渲染
  • volume : n. 1. 卷，冊；書籍；【歷史】書卷，卷軸。2. 〈常 pl. 〉大塊，大量，許多。3. 體積；容積；分量，額；【物、樂】音量；強度，響度。
  • rendering : n. 1. 翻譯，譯文；表現，描繪；演出，演奏。2. 提煉，煉油，熬油。3. （墻壁的）初塗，打底；粉刷；抹灰。4. （滑車上繩索的）放出。
  1. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  2. Experimental results show that the new model is efficient and flexible. direct volume rendering has been done with the volume date that came from the 2d image series. finally we displayed the truly 3d image by the computer graphic technology of eliminating the hide surface and the light

    對三維重建做了初步的研究，將二維mri圖像序列轉化為三維體數據，應用體繪制演算法實現了三維重構，並通過光照、隱藏面消除等計算機圖形學演算法實現真實感圖形顯示，從計算機屏幕上給出了形象逼真的人體腦部三維結構立體視圖。
  3. In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering

    首先，研究了醫學斷層圖像數據的濾波及層間插值技術，提出了一種基於輪廓形變和對應點匹配相結合的混合插值演算法，在實現圖像層間插值的同時保持了目標的輪廓形狀與灰度信息；其次，對醫學影像容積重建效果的逼真度進行了研究，提出了一種基於連續梯度轉換函數的互動式透明體繪制方法，使重建效果更加生動、真實。
  4. Volume rendering has a large scale of computing, and highly depends on hardware. both contour rendering and isosurface rendering are menthods of surface rendering

    面繪制的方法有:輪廓拼接法（ contourrendering ）和等值面提取法（ isosurfacerendering ） 。
  5. In the module of 3d visualization, the flow of volume rendering is given : pretreatment of volume data - > data sorting - > illumination procession - > volume rendering

    對於三維可視化模塊，詳細闡述了其實現流程：體數據預處理數據分類光照模型、明暗處理各種剖分方式繪制圖象。
  6. The cylindrical structure can be used to accelerate volume rendering using space leaping, the algorithm can achieve a better navigation of real - time

    對于生成圓柱狀結構，採用空間跳躍的體繪制方法進行加速繪制，進一步提高了漫遊的實時性。
  7. A multi - surfaces rendering method based on volume rendering for 3d data sets

    一種三維數據場多表面顯示方法
  8. In the thesis a volume rendering algorithm is put forward using shear - warp factorization of the viewing transformation and two - pass classification, it utilizes the coherence of volume data, classifies the data for the first pass and encodes the volume data using a run encoding, the encoded data is classified for the second pass when it is rendered. using the feature for two pass classification, it uses octree data structure speed up the rendering, realizes a very good volume rendering algorithm

    本文提出了兩次分類錯切變形體繪制演算法，該演算法充分發掘體數據的一致性，首先對數據進行第一次分類，對第一次分類的結果進行行程編碼，實現了數據的壓縮，對壓縮的體數據進行第二次分類繪制；同時依據兩次分類的特點，利用八叉樹進行加速，實現了有效的體繪制演算法。
  9. The traditional algorithm of volume rendering is ray - casting, not a proper algorithm for the large 3 - d seismic data, referring some improved method and considering the characteristic of seismic data, a new fast ray - casting algorithm of oriented image space and negative - view transform was brought forward. as a result, this algorithm excels the traditional obviously by speed with image quality in experiment

    體繪制的傳統演算法是光線投射法，由於地震數據量大而繪制速度太慢，本文在借鑒一些改進演算法的基礎上，結合地震數據的特點，提出了一種基於圖像空間的逆視變換的加速光線投射演算法，實驗結果表明該演算法在保證相同圖像效果的同時，具有明顯的速度優勢。
  10. Two image mapping algorithms of the volume rendering, forward mapping and backward mapping are researched on the basis of optical model for volume rendering. combined with the characteristic of a series of section images from laser confocal scanning microscopy, the volume buffer algorithm and maximizing algorithms are proposed in this paper. 4

    同時在探討體繪制光學模型的基礎上，研究了體繪制的兩種圖像合成演算法，即由前向後演算法和由後向前演算法，並結合激光共聚焦掃描顯微成像系統序列斷層熒光圖像的特點提出了體緩沖器演算法和最大值演算法。
  11. A new volume rendering algorithm for medical images

    基於體素模型的體繪制演算法
  12. Medical applications of volume rendering based on texture mapping

    紋理映射體繪制技術的醫學應用
  13. Transfer functions design for volume rendering by using neural networks

    體繪制中的自動轉換函數研究與實現
  14. This disadvantage can be overcome by the method of volume rendering, which can generate detailed 3d image on screen from 3d data sets

    體繪制方法克服了這一缺點，它能根據三維數據場在屏幕上產生細節豐富的三維圖像，成像質量高。
  15. Volume rendering of 3d medical image based on modularization

    基於模塊化設計的三維醫學圖像體繪制方法
  16. Direct volume rendering for cfd using octree - based 3d texture volume rendering

    數據場的直接體繪制
  17. Accelerated volume rendering using texture mapping with phong shading

    光照模型的體繪制加速演算法
  18. Secondly, we analyses the volume rendering based on ray casting, includeing algorithm principle, implementation pipeline. and for the features of medical slice images, improved trilinear interpolation algorithm is presented with an increase of the speed ray - casting in direct volume rendering

    其次，詳細分析了光線投射體繪制演算法的基本原理、流程步驟，並針對醫學斷層圖像的特點，提出和實現了改進的三線性插值演算法，從而大大提高了光線投射法的繪制速度。
  19. In view of the need of the 3d seismic data volume display, the paper has some improvement on the base of analyzing the 3d visualization method and technique of the direct volume rendering in addition to the characteristics of the 3d seismic data

    摘要針對三維地震數據體顯示需求，在分析直接體繪制三維可視化方法及技術的基礎上，結合三維地震數據的特點，對其進行了一定地改進。
  20. There are two different visualization approaches of 3d - data sets, one is surface rendering algorithm, the other is volume rendering algorithm. the latter is the emphasis of the paper. the paper describes its optical modek algorithm classification and discusses its future applications and problems to be solved

    體繪制演算法是本文的研究重點，本文介紹了體繪制演算法的光照模型、演算法分類和發展方向，並以光線投射演算法為例，詳細的論述了體繪制演算法的原理、流程、關鍵技術。
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