3d model software for 3d printer

Báo cáo "Development of a software package for 3D structured mesh generation " pdf

Ngày tải lên : 14/03/2014, 13:20

... investigated two methods of 3D structured mesh generation, i.e. algebraic and elliptic mesh generation methods, and developed a software package for 3D structured mesh generation for computational domains ... method. 4.4. Mesh generation for the computational domain surrounding a real 3D topography A real 3D topography is considered. A 3D computational mesh will be generated for a specific domain surrounding ... Mesh generation for the computational domain surrounding a 3D sinusoidal object Another 3D object is assumed to have a sinusoidal shape. A 3D computational mesh will be generated for a specific...

14
402
0

Báo cáo hóa học: " Research Article Adaptive Probabilistic Tracking Embedded in Smart Cameras for Distributed Surveillance in a 3D Model" doc

Ngày tải lên : 22/06/2014, 22:20

... is described afterwards. 3.4.1. 3D model acquisition for 3D visualization The basis for 3D model acquisition is our mobile platform which we call the W ¨ agele 1 [29]. It allows for an easy acquisition ... ical 3D surveillance system also comprises an easy way of acquiring 3D models of the respective environment. Hence, we brieﬂy present our 3D model acquisition system that provides the content for ... acquisition of en- hanced 3D models. Additionally, integrating the acquired 3D W ¨ agele models within Google Ear th will also allow for seam- less tracking in large, textured 3D indoor and outdoor...

17
436
0

Báo cáo " Toward building 3D model of Vietnam National University, Hanoi (VNU) from video sequences " doc

Ngày tải lên : 22/03/2014, 11:20

... result of mixing real information from security camera with a 3D model. In order to build 3D models, the tradition is normally used, in which technicians builds the 3D models manually and then ... into a common 3D model. 2.4. 3D Modeling To reduce geometric complexity, a 3D surface is approximated to the point cloud generated by previous steps. This step also tailors the model so it can ... not been considered before in the literature. Section 2 gives an overview of the 3D reconstruction process that we use to build the 3D model. We then propose our technique for the structure update...

11
371
0

vector math for 3d computer graphics - interactive tutorial

Ngày tải lên : 31/03/2014, 15:07

... PM] Symbol for Vector Length A good answer might be: The length is 5.0. You could use the formula, or by realize that this is another 3-4-5 right triangle. Symbol for Vector Length The formula works for ... file:///C|/InetPub/wwwroot/VectorLessons/vch04/vch04_3.html (2 of 2) [10/9/01 2:23:49 PM] Vector Math Tutorial for 3D Computer Graphics Vector Math for 3D Computer Graphics An Interactive Tutorial Second Revision, July 2000 This ... object is a set of points and connections between points that form the edges of a 3D solid. Here, for example is a set of points that model a teapot (from the Open GL Utility Toolkit): It may...

322
594
0

beginning google sketchup for 3d printing

Ngày tải lên : 05/05/2014, 13:01

... to buildings Preview Model in Google Earth 22 Places the model in Google Earth Get Models 23 Downloads models from the 3D Warehouse Share Model 24 Uploads models to the 3D Warehouse Upload ... 140 Summary 142 ■Chapter 7: Modeling with Photographs 143 Creating a Simple 3D Model with Match Photo 143 Modeling the Dining Room Table 144 Model a House for 3D Printing Using Match Photo ... one of the first and only online 3D printing platforms available, allowing you to upload models for 3D printing. This means you don’t need to purchase expensive 3D printing machinery. The Shapeways...

329
1.7K
0

emerging technologies for 3d video

Ngày tải lên : 05/05/2014, 13:32

... Vergence in the Real World and in S3D 367 18.8.3 Correcting Focus Cues in S3D 368 18.8.4 The Stereoscopic Zone of Comfort 369 18.8.5 Specifying the Zone of Comfort for Cinematography 370 18.8.6 Conclusions ... Dealing with 3D Display Hardware 287 14.3.1 Ghosting Suppression for Polarized and Shuttered Stereoscopic 3D Displays 287 14.3.2 Aliasing Suppression for Multiview Eyewear-Free 3D Displays 289 14.4 ... Smirnov (2011) Temporal ﬁltering for depth maps generated by Kinect depth camera, in 3DTV Conference: The True Vision – Capture, Transmission and Display of 3D Video (3DTV-CON), 2011, IEEE. Mure-Dubois,...

518
1.2K
0

mathematics for 3d game programming and computer graphics, third edition [electronic resource]

Ngày tải lên : 29/05/2014, 17:21

... product of these transformations is called the model- view transformation. Once a model s vertices have been transformed into camera space, they un- dergo a projection transformation that has ... called a basis for the vector space. Before we can define exactly what a basis is, we need to know what it means for a set of vectors to be linearly independent. Mathematics for 3D Game Programming ... 62 Exercises for Chapter 3 64 Chapter 4 Transforms 67 4.1 Linear Transformations 67 4.1.1 Orthogonal Matrices 68 4.1.2 Handedness 70 4.2 Scaling Transforms 70 4.3 Rotation Transforms 71 4.3.1...

566
2.6K
1

3d math primer for graphics and game development - fletcher dunn and ian parberry

Ngày tải lên : 04/06/2014, 12:00

... two. Unfortunately, this is not the case. For a variety of reasons, 3D space is more than incrementally more difficult for humans to visualize and describe than 2D space. (One possible reason for ... Invertible Transformations 122 8.8.4 Angle-preserving Transformations 122 8.8.5 Orthogonal Transformations 122 8.8.6 Rigid Body Transformations 123 8.8.7 Summary of Types of Transformations 123 8.9 ... arbitrarily; we form coordinate spaces for specific reasons (one might say “different spaces for different cases”). This chapter gives some examples of com - mon coordinate spaces that are used for graphics...

449
520
0

Báo cáo hóa học: " Research Article Texture Classiﬁcation for 3D Urban Map" pdf

Ngày tải lên : 21/06/2014, 20:20

... to load for rendering without much degradation of quality. Acknowledgments The authors are grateful for the support of a Grant-in-Aid for Young Sciences (#14750305) of Japan Society for the Promo- tion ... LiDAR mapping for 3D point cloud collection in urban areas: a performance test,” in Proceedings of the 21st International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences ... Uniform color spaces such as CIE 1976 L ∗ a ∗ b ∗ and L ∗ u ∗ v ∗ have been successfully used in some retrieval methods. However to transform the RGB space to these uniform spaces, the information...

8
298
0

Báo cáo hóa học: " Research Article Motion Vector Sharing and Bitrate Allocation for 3D Video-Plus-Depth Coding" docx

Ngày tải lên : 21/06/2014, 22:20

... preferences Multiple user 3DTV Single user 3DTV Standard 2DTV DVB Transmission Stereo camera Depth camera Multi- camera setup 2D /3D conversion 3D content production 3D viedo coding 3DTV decoder + DIBR DVB ... the former 3DTV proposals, such as 3D models or stereoscopic images. The video-plus-depth data representation uses a regular color video enriched with the depth map providing the Z-distance for ... 2. For these advantages, the single view plus depth solution represents the most promising data representation format for the near future broadcast 3DTV system. An end-to- end processing chain for...

13
397
0

Báo cáo hóa học: "Research Article Human Posture Tracking and Classiﬁcation through Stereo Vision and 3D Model Matching" pdf

Ngày tải lên : 22/06/2014, 06:20

... of significant parameters for posture classification, that is performed by using an ICP algorithm for 3D model matching. 3D tracking of these points over time is then performed by using a Kalman ... three steps: (a) model matching, (b) tracking of model principal points, (c) posture classification. The 3D model used by the system, the training phase, and the methods used for model matching, ... Different models have been used in literature, depending on the objectives and on the input data available for the application (see [1]forareview). These models differ mainly for the quantity of information represented. In...

12
285
0

Báo cáo hóa học: " Research Article Using Gaussian Process Annealing Particle Filter for 3D Human Tracking" docx

Ngày tải lên : 22/06/2014, 06:20

... a vector of dimensionality 29 : 3 DoF for the global 3D location, 3 DoF for the global rotation, 4 DoF for each leg, 4DoFforthetorso,4DoFforeacharm,and3DoFforthe head (see Figure 2). The whole ... Çetin We present an approach for human body parts tracking in 3D with prelearned motion models using multiple cameras. Gaussian process annealing particle filter is proposed for tracking in order to ... n m N(0,P 0 ). end for each Algorithm 1: The annealed particle filter algorithm. schedule and weighting function. The body model is defined by a pair M ={L, Γ},whereL stands for the limbs lengths and Γ for the...

13
246
0

Báo cáo hóa học: " Research Article Using Gaussian Process Annealing Particle Filter for 3D Human Tracking" ppt

Ngày tải lên : 22/06/2014, 19:20

... a vector of dimensionality 29 : 3 DoF for the global 3D location, 3 DoF for the global rotation, 4 DoF for each leg, 4DoFforthetorso,4DoFforeacharm,and3DoFforthe head (see Figure 2). The whole ... in the model. The coefficient of part i for the image plane j can be calculated as follows: λ i,j = 1 N i N i  k=1  1 − p fg k  Γ i , Z j   2 , (13) where Γ i is the model configuration for part ... n m N(0,P 0 ). end for each Algorithm 1: The annealed particle filter algorithm. schedule and weighting function. The body model is defined by a pair M ={L, Γ},whereL stands for the limbs lengths and Γ for the...

13
190
0

Báo cáo hóa học: " Research Article Adaptation of Zerotrees Using Signed Binary Digit Representations for 3D Image Coding" pptx

Ngày tải lên : 22/06/2014, 22:20

... (dB) 00.51 1.52 Rate (bpppb) 3D- EZW NAF without subordinate pass Moﬀett Figure 5: Comparison of compression performance between 3D- EZW and the NAF without subordinate pass. performance of the signed ... would Emmanuel Chr istophe et al. 7 Table 9: Comparison between 3D- EZW and 3D- EZW-NAF with subordinate pass. Rate (bpppb) 3D- EZW 3D- EZW-NAF with subordinate pass MSE PSNR MSE PSNR 1.0 106.15 76.07 ... dimension to the light spectrum for the pixel. The highlight of this paper is not on the wavelet form, thus the popular 9/7 wavelet is chosen for lossy compression and the 5/3 for lossless compression....