Study on laser triangulation method measurement 激光三角法測量的研究
Calibration of upright cylindrical tanks using the optical - triangulation method 光學(xué)三角測量法校正豎直柱形罐
Generally , a planar triangulation method is used to enclose the unmatched contours 通常,對末端輪廓都是以平面三角剖分封閉端面。
Calibration of spherical tanks for refrigerated light - hydrocarbon fluids in ships - triangulation method 船舶用輕質(zhì)冷凍的碳?xì)浠衔镉们蛐腿萜鞯男?zhǔn).第2部分:三角測量法
Finally , a euclidean scene reconstruction is set up using matrix decomposition method and triangulation method 最后,利用矩陣分解的方法和三角形法建立了場景的三維模型。
Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products - optical - triangulation method 裝石油和液態(tài)石油產(chǎn)品用立式圓柱形儲罐的校驗(yàn)方法.第3部分:光學(xué)三角形測量法
The advancing - front method and the delaunay method are studied here to fulfill the generation of 2 - d unstructured grid . the mesh is built and renewed by using delaunay triangulation method 網(wǎng)格的劃分及更新采用delaunay三角化方法,網(wǎng)格內(nèi)部節(jié)點(diǎn)的生成則是基于陣面推進(jìn)法的思想。
We have realized stable triangulation and striping methods in radm modeling system . triangulation method , which is based on delaunay triangle algorithm , has been improved on criterion of selected vertex , and striping used local optimize greedy algorithm 我們在radm系統(tǒng)中以delaunay三角化為基礎(chǔ),改進(jìn)了頂點(diǎn)選擇的判據(jù),并針對不同類型的多邊形采用不同的三角化策略,實(shí)現(xiàn)了穩(wěn)定高效的三角化。
We construct the algorithm of three - dimensions model surface reconstruction in three stages : first , we use oct - tree to describe scatter data points in space , second find adjacent points and tangent plane and use the triangulation method to realize 3d surface reconstruction in the end , in research on algorithm of three dimensions model surface reconstruction based on scatter data points 在“基于散亂數(shù)據(jù)三維表面算法的研究”這一章中,首先通過八叉樹的數(shù)據(jù)結(jié)構(gòu)的算法對三維散亂數(shù)據(jù)進(jìn)行處理,然后再確定鄰點(diǎn)和微切平面,最后用三角網(wǎng)格化的方法完成三維物體表面重構(gòu)。
Aiming at the existed problems in reverse engineering techniques concerning triangulation method for scattered data points , display technique of three dimension model based on mesh simplification , and redesign technique for re - constructed surface etc . , this paper studies and proposes the relevant solving schemes , key algorithms and realizing technologies . the chief contributions acquired by this paper include : ( 1 ) an effective 3d triangulation algorithm for scattered data points is put forward . this algorithm solves the problem that data points must be partitioned for multi - projection realized by traditional 2d triangulation methods , and can also triangulate the scattered data points of trimmed surface and concave boundary surface 本文工作針對散亂點(diǎn)集的三角網(wǎng)格劃分及優(yōu)化、基于網(wǎng)格簡化的真實(shí)感模型顯示,以及重構(gòu)曲面再設(shè)計等反求工程的關(guān)鍵技術(shù)中還存在的諸多問題,提出了相應(yīng)的解決方案,并對關(guān)鍵算法和實(shí)現(xiàn)技術(shù)進(jìn)行了深入研究,論文的主要成果包括: ( 1 )提出了一種有效的散亂數(shù)據(jù)點(diǎn)集的3d空間直接三角網(wǎng)格劃分算法。