Texture Mapping. Motivation. Examples Image Textures. Idea. towards more realism
|
|
|
- Ira Booker
- 6 years ago
- Views:
Transcription
1 Texre Mapping Wireframe Model Lighing & Shading Moiaion Texre Mapping hp:// oward more realim 2 Idea Example Image Texre Add rface deail wiho raiing geomeric complexiy Texre can be image or procedre Texre can be 2D or 3D 3 Flyaic II
2 Example Image Texre Definiion of exre coordinae Srface parameerizaion Ani aliaing Texre filering Leel-of-Deail Hardware acceleraion Ie 5 6 Concep of Texre Mapping Find mapping beween differen coordinae yem Iner ranformaion from exre coordinae o image pixel Pixel coordinae Parameerizaion Find a one-o-one mapping beween gien rface and 2D parameer domain Texre coordinae rface coordinae w = xyz 7 8
3 Fndamenal concep in graphic Many differen applicaion Parameerizaion Fndamenal concep in graphic Many differen applicaion Compreion Parameerizaion Kraeoy Sheffer: Cro-Parameerizaion and Compaible Remehing of 3D Model SIGGRAPH Khodakoky Schroeder Swelden: Progreie Geomery Compreion SIGGRAPH 2000 Fndamenal concep in graphic Many differen applicaion Compreion Remehing Parameerizaion Fndamenal concep in graphic Many differen applicaion Compreion Remehing Texre Mapping Parameerizaion Alliez Cohen-Seiner Deiller Ley Debrn: Anioropic Polygonal Remehing SIGGRAPH 2003
4 13 Some Hiory Carography orhographic ereographic Lamber Mercaor preere angle = conformal preere area = eqiareal Floaer Hormann: Srface Parameerizaion: A Torial and Srey Adance in Mlireolion for Geomeric Modeling Analyical 3D Sfrace 1. Key o exre mapping: Parameerizaion z y x in co co in in phere: 2. Map parameer o exre coordinae inere: 15 Mapping a exre ono a phere Ue linear map = D C B A = 2 / / 2 / π π π 16 Example
5 Deirable Properie Addiional Ie Finding c Low diorion Bijecie mapping Texre Alae Efficienly compable 17 Ley Peijean Ray Maillo: Lea Sqare Conformal Map for Aomaic Texre Ala Generaion SIGGRAPH Conrain Texre Mapping Addiional Ie Texre Map Texre map correpond o parameerizaion Demo reched a noe ip compreed a noe ip Tim Weyrich e. al
6 Paramerized Triangle Meh Raerizaion OBJ File: n n n f 22/209/22 220/210/ /211/221 f 21/213/21 219/21/ /210/229 f 253/203/ /21/219 21/213/21 Verex poiion Texre coordinae Normal Face riangle coordnr/exnr/normalnr 21 From exre coordinae of erice o exre coordinae of pixel Linear inerpolaion in creen-pace a in Gorad hading: Image by Fredo Drand exre orce wha we ge wha we wan 22 Perpecie Inerpolaion Texre Filering Linear ariaion in world coordinae yield non-linear ariaion in creen coordinae: 0 0 projecion plane 1 1 Perpecie inerpolaion implemened in oday graphic card 23 are real pixel coordinae e.g : neare color = map[6] bi-linear color = map[63] map[73] map[6] map[7] 2
7 Texre Filering Texre Mapping in OpenGL = loadimage&exre_daa; glgentexre1 &exid; glbindtexregl_texture_2d exid; glteximage2dgl_texture_2d 0 GL_RGB w h 0 GL_RGB GL_UNSIGNED_BYTE exre_daa; n m w = 2 h = 2 glbindtexregl_texture_2d exid; glbegingl_triangles; gltexcoord2f 0 0 ; glverexx 0 y 0 z 0 ; gltexcoord2f 1 1 ; glverexx 1 y 1 z 1 ; gltexcoord2f 2 2 ; glverexx 2 y 2 z 2 ; glend; [0 1] Tor neare bi-linear 25 26
Motivation. towards more realism. + Texture Mapping Texture Mapping
Texture Mapping Wireframe Model + Lighting & Shading Motivation + Texture Mapping http://www.3drender.com/jbirn/productions.html towards more realism 2 Idea Add surface detail without raising geometric
7. Texture Mapping. Idea. Examples Image Textures. Motivation. Textures can be images or procedures. Textures can be 2D or 3D
3 4 Idea Add srface detail withot raising geometric complexity Textres can be images or procedres Textres can be D or 3D Motiation Wireframe Model + Lighting & Shading + Textre Mapping http://www.3drender.com/jbirn/prodctions.html
Texture Mapping. Texture Mapping. Map textures to surfaces. Trompe L Oeil ( Deceive the Eye ) Texture map. The texture
CSCI 48 Compuer Graphic Lecure Texure Mapping A way of adding urface deail Texure Mapping February 5, 22 Jernej Barbic Univeriy of Souhern California Texure Mapping + Shading Filering and Mipmap Non-color
Spline Curves. Color Interpolation. Normal Interpolation. Last Time? Today. glshademodel (GL_SMOOTH); Adjacency Data Structures. Mesh Simplification
Las Time? Adjacency Daa Srucures Spline Curves Geomeric & opologic informaion Dynamic allocaion Efficiency of access Mesh Simplificaion edge collapse/verex spli geomorphs progressive ransmission view-dependen
Effects needed for Realism. Ray Tracing. Ray Tracing: History. Outline. Foundations of Computer Graphics (Fall 2012)
Foundaions of ompuer Graphics (Fall 2012) S 184, Lecure 16: Ray Tracing hp://ins.eecs.berkeley.edu/~cs184 Effecs needed for Realism (Sof) Shadows Reflecions (Mirrors and Glossy) Transparency (Waer, Glass)
Overview. 9 - Game World: textures, skyboxes, etc. Texture Mapping. Texture Space. Vertex Texture Coordinates. Texture Mapping. Game World Backgrounds
CSc 165 Compuer Game Archiecure Overview Texure Mapping 9 - Game World: exure, kyboxe, ec. Game World Background SkyBoxe & SkyDome World Bound and Viibiliy Render Sae 2 Texure Mapping Texure Space Baic
Today. Curves & Surfaces. Can We Disguise the Facets? Limitations of Polygonal Meshes. Better, but not always good enough
Today Curves & Surfaces Moivaion Limiaions of Polygonal Models Some Modeling Tools & Definiions Curves Surfaces / Paches Subdivision Surfaces Limiaions of Polygonal Meshes Can We Disguise he Faces? Planar
Curves & Surfaces. Last Time? Today. Readings for Today (pick one) Limitations of Polygonal Meshes. Today. Adjacency Data Structures
Las Time? Adjacency Daa Srucures Geomeric & opologic informaion Dynamic allocaion Efficiency of access Curves & Surfaces Mesh Simplificaion edge collapse/verex spli geomorphs progressive ransmission view-dependen
Schedule. Curves & Surfaces. Questions? Last Time: Today. Limitations of Polygonal Meshes. Acceleration Data Structures.
Schedule Curves & Surfaces Sunday Ocober 5 h, * 3-5 PM *, Room TBA: Review Session for Quiz 1 Exra Office Hours on Monday (NE43 Graphics Lab) Tuesday Ocober 7 h : Quiz 1: In class 1 hand-wrien 8.5x11 shee
Targil 8 : Image warping. Forward warping. Motion Transformations and Image Warping (cont.) Automatic Image Alignment: Lucas Kanade (cont.
Hebrew Uniersi mage Processing - 006 Hebrew Uniersi mage Processing - 006 Moion Transformaions and mage Warping - conine Targil 8 : Moion Transformaions and mage Warping con. Aomaic mage Alignmen: Lcas
Digital Geometry Processing Differential Geometry
Digial Geomery Processing Differenial Geomery Moivaion Undersand he srucure of he surface Differenial Geomery Properies: smoohness, curviness, imporan direcions How o modify he surface o change hese properies
CS 428: Fall Introduction to. Geometric Transformations (continued) Andrew Nealen, Rutgers, /20/2010 1
CS 428: Fall 2 Inroducion o Compuer Graphic Geomeric Tranformaion (coninued) Andrew Nealen, Ruger, 2 9/2/2 Tranlaion Tranlaion are affine ranformaion The linear par i he ideni mari The 44 mari for he ranlaion
Stellar Mesh Simplification Using Probabilistic Optimization
Volme xx (200y), Nmber z, pp. 1 12 Sellar Meh Simplificaion Uing Probabiliic Opimizaion Anônio W. Vieira 1;2, Thoma Lewiner 1;3, Liz Velho 4, Hélio Lope 1, and Geoan Taare 1 1 PUC Rio Laboraório Mamídia
Ray Casting. Outline. Outline in Code
Foundaions of ompuer Graphics Online Lecure 10: Ray Tracing 2 Nus and ols amera Ray asing Ravi Ramamoorhi Ouline amera Ray asing (choose ray direcions) Ray-objec inersecions Ray-racing ransformed objecs
AML710 CAD LECTURE 11 SPACE CURVES. Space Curves Intrinsic properties Synthetic curves
AML7 CAD LECTURE Space Curves Inrinsic properies Synheic curves A curve which may pass hrough any region of hreedimensional space, as conrased o a plane curve which mus lie on a single plane. Space curves
Systems & Biomedical Engineering Department. Transformation
Sem & Biomedical Engineering Deparmen SBE 36B: Compuer Sem III Compuer Graphic Tranformaion Dr. Aman Eldeib Spring 28 Tranformaion Tranformaion i a fundamenal corner one of compuer graphic and i a cenral
Last Time: Curves & Surfaces. Today. Questions? Limitations of Polygonal Meshes. Can We Disguise the Facets?
Las Time: Curves & Surfaces Expeced value and variance Mone-Carlo in graphics Imporance sampling Sraified sampling Pah Tracing Irradiance Cache Phoon Mapping Quesions? Today Moivaion Limiaions of Polygonal
STEREO PLANE MATCHING TECHNIQUE
STEREO PLANE MATCHING TECHNIQUE Commission III KEY WORDS: Sereo Maching, Surface Modeling, Projecive Transformaion, Homography ABSTRACT: This paper presens a new ype of sereo maching algorihm called Sereo
EECS 487: Interactive Computer Graphics
EECS 487: Ineracive Compuer Graphics Lecure 7: B-splines curves Raional Bézier and NURBS Cubic Splines A represenaion of cubic spline consiss of: four conrol poins (why four?) hese are compleely user specified
Texture and other Mappings
Texture and other Mappings Texture Mapping Bump Mapping Displacement Mapping Environment Mapping Example: Checkerboard Particularly severe problems in regular textures 1 The Beginnings of a Solution: Mipmapping
Free-Form Deformation of Solid Models in CSR
Free-Form Deformaion of Solid Model in CSR K.C. Hi and C.F. Lai Deparmen of Aomaion and Comper-Aided Engineering, The Chinee Unieri of Hong Kong, Shain, Hong Kong. e-mail: kchi@acae.chk.ed.hk Abrac Eiing
Overview. 8 - Game World: textures, skyboxes, etc. Texture Mapping. Texture Space. Creating Textures. Vertex Texture Coordinates.
CSc 165 Compuer Game Archiecure Overview Texure Mapping 8 - Game World: exure, kyboxe, ec. Game World Background SkyBoxe & SkyDome World Bound and Viibiliy Render Sae 2 Texure Mapping Texure Space Baic
Shading/Texturing. Dr. Scott Schaefer
Shading/Texturing Dr. Scott Schaefer Problem / Problem / Problem 4/ Problem / Problem / Shading Algorithms Flat Shading Gouraud Shading Phong Shading / Flat Shading Apply same color across entire polygon
Implementing Ray Casting in Tetrahedral Meshes with Programmable Graphics Hardware (Technical Report)
Implemening Ray Casing in Terahedral Meshes wih Programmable Graphics Hardware (Technical Repor) Marin Kraus, Thomas Erl March 28, 2002 1 Inroducion Alhough cell-projecion, e.g., [3, 2], and resampling,
M y. Image Warping. Targil 7 : Image Warping. Image Warping. 2D Geometric Transformations. image filtering: change range of image g(x) = T(f(x))
Hebrew Universi Image Processing - 6 Image Warping Hebrew Universi Image Processing - 6 argil 7 : Image Warping D Geomeric ransormaions hp://www.jere-marin.com Man slides rom Seve Seiz and Aleei Eros Image
On the Spacetime Geometry of Galilean Cameras
On he Spaceime Geomery of Galilean Cameras Yaser Sheikh Roboics Insie Carnegie Mellon Uniersiy yaser@cs.cm.ed Alexei Griai Comper Vision Laboraory Uniersiy of Cenral Florida agrisay@cs.cf.ed Mbarak Shah
CS212. OpenGL Texture Mapping and Related
CS212 OpenGL Texture Mapping and Related Basic Strategy Three steps to applying a texture 1. specify the texture read or generate image assign to texture enable texturing 2. assign texture coordinates
The Lumigraph. Abstract. 1 Introduction. Steven J. Gortler Radek Grzeszczuk Richard Szeliski Michael F. Cohen. Microsoft Research
The Lmigraph Seen J. Gorler Radek Grzezczk Richard Szeliki Michael F. Cohen Microof Reearch Abrac Thi paper dice a new mehod for capring he complee appearanceof boh ynheic and real world objec and cene,
Lecture 22 Sections 8.8, 8.9, Wed, Oct 28, 2009
s The s Lecture 22 Sections 8.8, 8.9, 8.10 Hampden-Sydney College Wed, Oct 28, 2009 Outline s The 1 2 3 4 5 The 6 7 8 Outline s The 1 2 3 4 5 The 6 7 8 Creating Images s The To create a texture image internally,
Overview. From Point Visibility. From Point Visibility. From Region Visibility. Ray Space Factorization. Daniel Cohen-Or Tel-Aviv University
From-Region Viibiliy and Ray Space Facorizaion Overview Daniel Cohen-Or Tel-Aviv Univeriy Shor inroducion o he problem Dual Space & Parameer/Ray Space Ray pace facorizaion (SIGGRAPH 0) From Poin Viibiliy
Accurate Simplification of Multi-Chart Textured Models
DOI: 10.1111/j.1467-8659.2010.01652.x COMPUTER GRAPHICS forum Volume 29 (2010), number 6 pp. 1842 1853 Accurae Simplificaion of Muli-Char Texured Models N. Coll and T. Paradinas Insiu d Informaica i Aplicacions,
Shading. Flat shading Gouraud shading Phong shading
Shading Flat shading Gouraud shading Phong shading Flat Shading and Perception Lateral inhibition: exaggerates perceived intensity Mach bands: perceived stripes along edges Icosahedron with Sphere Normals
Graphics. Texture Mapping 고려대학교컴퓨터그래픽스연구실.
Graphics Texture Mapping 고려대학교컴퓨터그래픽스연구실 3D Rendering Pipeline 3D Primitives 3D Modeling Coordinates Model Transformation 3D World Coordinates Lighting 3D World Coordinates Viewing Transformation 3D Viewing
Assignment #6 2D Vector Field Visualization Arrow Plot and LIC
Assignment #6 2D Vector Field Visualization Arrow Plot and LIC Due Oct.15th before midnight Goal: In this assignment, you will be asked to implement two visualization techniques for 2D steady (time independent)
OpenGL Texture Mapping. Objectives Introduce the OpenGL texture functions and options
OpenGL Texture Mapping Objectives Introduce the OpenGL texture functions and options 1 Basic Strategy Three steps to applying a texture 1. 2. 3. specify the texture read or generate image assign to texture
NEWTON S SECOND LAW OF MOTION
Course and Secion Dae Names NEWTON S SECOND LAW OF MOTION The acceleraion of an objec is defined as he rae of change of elociy. If he elociy changes by an amoun in a ime, hen he aerage acceleraion during
Texture Mapping. Texture Mapping. Map textures to surfaces. Trompe L Oeil ( Deceive the Eye ) The texture. Texture map
CSCI 42 Computer Graphic Lecture 2 Texture Mapping A way of adding urface detail Texture Mapping Jernej Barbic Univerity of Southern California Texture Mapping + Shading Filtering and Mipmap Non-color
A High-Performance Area-Efficient Multifunction Interpolator
A High-Performance Area-Efficien Mulifuncion Inerpolaor ARITH Suar Oberman Michael Siu Ouline Wha i a GPU? Targe applicaion and floaing poin Shader microarchiecure High-order funcion Aribue inerpolaion
CENG 477 Introduction to Computer Graphics. Modeling Transformations
CENG 477 Inroducion o Compuer Graphics Modeling Transformaions Modeling Transformaions Model coordinaes o World coordinaes: Model coordinaes: All shapes wih heir local coordinaes and sies. world World
geometric transformations
geomeric ranformaion comuer grahic ranform 28 fabio ellacini linear algebra review marice noaion baic oeraion mari-vecor mulilicaion comuer grahic ranform 28 fabio ellacini 2 marice noaion for marice and
Why not experiment with the system itself? Ways to study a system System. Application areas. Different kinds of systems
Simulaion Wha is simulaion? Simple synonym: imiaion We are ineresed in sudying a Insead of experimening wih he iself we experimen wih a model of he Experimen wih he Acual Ways o sudy a Sysem Experimen
DYNAMIC AND ADAPTIVE TESSELLATION OF BÉZIER SURFACES
DYNAMIC AND ADAPTIVE TESSELLATION OF BÉZIER SURFACES R. Concheiro, M. Amor Univeriy of A Coruña, Spain rconcheiro@udc.e, margamor@udc.e M. Bóo Univeriy of Saniago de Compoela, Spain monerra.boo@uc.e Keyword:
Interactive Rendering of Atmospheric Scattering Effects Using Graphics Hardware
Ineracive Rendering of Amopheric Scaering Effec Uing Graphic Hardware Yohinori Dobahi Tuyohi Yamamoo Tomoyui Nihia Hoaido Univeriy Hoaido Univeriy Toyo Univeriy Overview Inroducion - moivaion - previou
CMSC 425: Lecture 12 Texture Mapping Thursday, Mar 14, 2013
CMSC 425: Lecture 12 Texture Mapping Thursday, Mar 14, 2013 Surface Detail: We have discussed the use of lighting as a method of producing more realistic images. This is fine for smooth surfaces of uniform
The Planar Slope Number of Planar Partial 3-Trees of Bounded Degree
The Planar Slope Number of Planar Parial 3-Tree of Bounded Degree Ví Jelínek 1,2,EvaJelínková 1, Jan Kraochvíl 1,3, Bernard Lidický 1, Marek Teař 1,andTomáš Vykočil 1,3 1 Deparmen of Applied Mahemaic,
4.1 3D GEOMETRIC TRANSFORMATIONS
MODULE IV MCA - 3 COMPUTER GRAPHICS ADMN 29- Dep. of Compuer Science And Applicaions, SJCET, Palai 94 4. 3D GEOMETRIC TRANSFORMATIONS Mehods for geomeric ransformaions and objec modeling in hree dimensions
Image warping/morphing
Image arping/morphing Image arping Digial Visual Effecs Yung-Yu Chuang ih slides b Richard Szeliski, Seve Seiz, Tom Funkhouser and leei Efros Image formaion Sampling and quanizaion B Wha is an image We
Image warping Li Zhang CS559
Wha is an image Image arping Li Zhang S559 We can hink of an image as a funcion, f: R 2 R: f(, ) gives he inensi a posiion (, ) defined over a recangle, ih a finie range: f: [a,b][c,d] [,] f Slides solen
Flow graph/networks MAX FLOW APPLICATIONS. Flow constraints. Max flow problem 4/26/12
4// low graph/nework MX LOW PPLIION 30, pring 0 avid Kauchak low nework direced, weighed graph (V, ) poiive edge weigh indicaing he capaciy (generally, aume ineger) conain a ingle ource V wih no incoming
Traditional Rendering (Ray Tracing and Radiosity)
Tradiional Rendering (Ray Tracing and Radiosiy) CS 517 Fall 2002 Compuer Science Cornell Universiy Bidirecional Reflecance (BRDF) λ direcional diffuse specular θ uniform diffuse τ σ BRDF Bidirecional Reflecance
A NEW APPROACH FOR 3D MODELS TRANSMISSION
A NEW APPROACH FOR 3D MODELS TRANSMISSION A. Guarnieri a, F. Piroi a, M. Ponin a, A. Veore a a CIRGEO, Inerdep. Research Cener of Carography, Phoogrammery, Remoe Sensing and GIS Universiy of Padova, Agripolis
Introduction to OpenGL
Introduction to OpenGL Banafsheh Azari http://www.uni-weimar.de/cms/medien/cg.html What You ll See Today What is OpenGL? Related Libraries OpenGL Command Syntax B. Azari http://www.uni-weimar.de/cms/medien/cg.html
CT5510: Computer Graphics. Texture Mapping
CT5510: Computer Graphics Texture Mapping BOCHANG MOON Texture Mapping Simulate spatially varying surface properties Phong illumination model is coupled with a material (e.g., color) Add small polygons
DETC2004/CIE VOLUME-BASED CUT-AND-PASTE EDITING FOR EARLY DESIGN PHASES
Proceedings of DETC 04 ASME 004 Design Engineering Technical Conferences and Compuers and Informaion in Engineering Conference Sepember 8-Ocober, 004, Sal Lake Ciy, Uah USA DETC004/CIE-57676 VOLUME-BASED
High Resolution Passive Facial Performance Capture
High Resoluion Passive Facial Performance Capure Derek Bradley1 Wolfgang Heidrich1 Tiberiu Popa1,2 Alla Sheffer1 1) Universiy of Briish Columbia 2) ETH Zu rich Figure 1: High resoluion passive facial performance
Interactive Graphical Systems HT2005
Ineracive Graphical Ssems HT25 Lesson 2 : Graphics Primer Sefan Seipel Sefan Seipel, Deparmen of Informaion Technolog, Uppsala Universi Ke issues of his lecure Represenaions of 3D models Repeiion of basic
Computational Geometry in Wireless Networks - Routing. Presented by Heather M. Michaud
Compaional Geomery in Wireless Neworks - Roing Presened by Heaher M. Michad 1 Ad Hoc Wireless Neworks No fixed pre-exising infrasrcre Nodes can be saic or mobile Assme nodes don move dring roing or opology
Fisheye Lens Distortion Correction on Multicore and Hardware Accelerator Platforms
Fiheye Len Diorion Correcion on Mulicore and Hardware Acceleraor Plaform Konani Dalouka 1 Chrio D. Anonopoulo 1 Nikolao Sek M. Bella 1 Chai 1 Deparmen of Compuer and Communicaion Engineering Univeriy of
MOTION DETECTORS GRAPH MATCHING LAB PRE-LAB QUESTIONS
NME: TE: LOK: MOTION ETETORS GRPH MTHING L PRE-L QUESTIONS 1. Read he insrucions, and answer he following quesions. Make sure you resae he quesion so I don hae o read he quesion o undersand he answer..
QUESTION 1 [10] 2 COS340-A October/November 2009
![QUESTION 1 [10] 2 COS340-A October/November 2009](/thumbs/91/107455423.jpg "QUESTION 1 [10] 2 COS340-A October/November 2009")
2 COS340-A QUESTION 1 [10] a) OpenGL uses z-buffering for hidden surface removal. Explain how the z-buffer algorithm works and give one advantage of using this method. (5) Answer: OpenGL uses a hidden-surface
Texture Mapping 1/34
Texture Mapping 1/34 Texture Mapping Offsets the modeling assumption that the BRDF doesn t change in u and v coordinates along the object s surface Store a reflectance as an image called a texture Map
OpenGL: Open Graphics Library. Introduction to OpenGL Part II. How do I render a geometric primitive? What is OpenGL
OpenGL: Open Graphics Library Introduction to OpenGL Part II CS 351-50 Graphics API ( Application Programming Interface) Software library Layer between programmer and graphics hardware (and other software
3D Graphics and OpenGl. First Steps
3D Graphics and OpenGl First Steps Rendering of 3D Graphics Objects defined in (virtual/mathematical) 3D space. Rendering of 3D Graphics Objects defined in (virtual/mathematical) 3D space. We see surfaces
Texture Mapping 1/34
Texture Mapping 1/34 Texture Mapping Offsets the modeling assumption that the BRDF doesn t change in u and v coordinates along the object s surface Store a reflectance as an image called a texture Map
CSE 167: Introduction to Computer Graphics Lecture #7: Textures. Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2018
CSE 167: Introduction to Computer Graphics Lecture #7: Textures Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2018 Announcements Project 2 due this Friday at 2pm Grading in
X. GPU Programming. Jacobs University Visualization and Computer Graphics Lab : Advanced Graphics - Chapter X 1
X. GPU Programming 320491: Advanced Graphics - Chapter X 1 X.1 GPU Architecture 320491: Advanced Graphics - Chapter X 2 GPU Graphics Processing Unit Parallelized SIMD Architecture 112 processing cores
IMAGE SAMPLING AND IMAGE QUANTIZATION
Digial image processing IMAGE SAMPLING AND IMAGE QUANTIZATION. Inrodcion. Sampling in he wo-dimensional space Basics on image sampling The concep of spaial freqencies Images of limied bandwidh Two-dimensional
X-Splines : A Spline Model Designed for the End-User
X-Splines : A Spline Model Designed for he End-User Carole Blanc Chrisophe Schlic LaBRI 1 cours de la libéraion, 40 alence (France) [blancjschlic]@labri.u-bordeaux.fr Absrac his paper presens a new model
Texture Mapping. Mike Bailey.
Texture Mapping 1 Mike Bailey mjb@cs.oregonstate.edu This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International License TextureMapping.pptx The Basic Idea
IntMu.Lab5. Download all the files available from
IntMu.Lab5 0. Download all the files available from http://www.dee.isep.ipp.pt/~jml/intmu/lab5: wget http://www.dee.isep.ipp.pt/~jml/intmu/lab5/makefile make getall Analyze the program windmill.c. Compile
A non-stationary uniform tension controlled interpolating 4-point scheme reproducing conics
A non-saionary uniform ension conrolled inerpolaing 4-poin scheme reproducing conics C. Beccari a, G. Casciola b, L. Romani b, a Deparmen of Pure and Applied Mahemaics, Universiy of Padova, Via G. Belzoni
Motion Level-of-Detail: A Simplification Method on Crowd Scene
Moion Level-of-Deail: A Simplificaion Mehod on Crowd Scene Absrac Junghyun Ahn VR lab, EECS, KAIST ChocChoggi@vr.kais.ac.kr hp://vr.kais.ac.kr/~zhaoyue Recen echnological improvemen in characer animaion
Texturas. Objectives. ! Introduce Mapping Methods. ! Consider two basic strategies. Computação Gráfica
Texturas Computação Gráfica Objectives! Introduce Mapping Methods! Texture Mapping! Environmental Mapping! Bump Mapping! Light Mapping! Consider two basic strategies! Manual coordinate specification! Two-stage
Real-time 2D Video/3D LiDAR Registration
Real-ime 2D Video/3D LiDAR Regisraion C. Bodenseiner Fraunhofer IOSB chrisoph.bodenseiner@iosb.fraunhofer.de M. Arens Fraunhofer IOSB michael.arens@iosb.fraunhofer.de Absrac Progress in LiDAR scanning
Rendering Pipeline/ OpenGL
Grading Programming Assignmens: 4% Chaper 2 2D Game: Inro o (6%) ou now 3D Transformaions modeling/animaion (11%) Basics of Compuer Graphics: Rendering pipeline (11%) Ray racing (12%) compuer graphics
Cap. 3 Textures. Mestrado em Engenharia Informática (6931) 1º ano, 1º semestre
Cap. 3 Textures Mestrado em Engenharia Informática (6931) 1º ano, 1º semestre Overview Objectives Notion of texture Motivation Texture mapping, texture patterns, and texels Mapping textures to polygons,
Lecture 5 3D graphics part 3
Lecture 5 3D graphics part 3 Shading; applying lighting Surface detail: Mappings Texture mapping Light mapping Bump mapping Surface detail Shading: takes away the surface detail of the polygons Texture
The Traditional Graphics Pipeline
Last Time? The Traditional Graphics Pipeline Participating Media Measuring BRDFs 3D Digitizing & Scattering BSSRDFs Monte Carlo Simulation Dipole Approximation Today Ray Casting / Tracing Advantages? Ray
Constant-Work-Space Algorithms for Shortest Paths in Trees and Simple Polygons
Journal of Graph Algorihms and Applicaions hp://jgaa.info/ vol. 15, no. 5, pp. 569 586 (2011) Consan-Work-Space Algorihms for Shores Pahs in Trees and Simple Polygons Tesuo Asano 1 Wolfgang Mulzer 2 Yajun
Lecture 07: Buffers and Textures
Lecture 07: Buffers and Textures CSE 40166 Computer Graphics Peter Bui University of Notre Dame, IN, USA October 26, 2010 OpenGL Pipeline Today s Focus Pixel Buffers: read and write image data to and from
Models and Architectures
Models and Architectures Objectives Learn the basic design of a graphics system Introduce graphics pipeline architecture Examine software components for an interactive graphics system 1 Image Formation
Algorithm for image reconstruction in multi-slice helical CT
Algorihm for image reconsrucion in muli-slice helical CT Kasuyuki Taguchi a) and Hiroshi Aradae Medical Engineering Laboraory, Toshiba Corporaion, 1385 Shimoishigami, Oawara, Tochigi 324-855, Japan Received
CPSC / Texture Mapping
CPSC 599.64 / 601.64 Introduction and Motivation so far: detail through polygons & materials example: brick wall problem: many polygons & materials needed for detailed structures inefficient for memory
Illumination Models & Shading
Illumination Models & Shading Lighting vs. Shading Lighting Interaction between materials and light sources Physics Shading Determining the color of a pixel Computer Graphics ZBuffer(Scene) PutColor(x,y,Col(P));
Gauss-Jordan Algorithm
Gauss-Jordan Algorihm The Gauss-Jordan algorihm is a sep by sep procedure for solving a sysem of linear equaions which may conain any number of variables and any number of equaions. The algorihm is carried
The Traditional Graphics Pipeline
Final Projects Proposals due Thursday 4/8 Proposed project summary At least 3 related papers (read & summarized) Description of series of test cases Timeline & initial task assignment The Traditional Graphics
Objectives. Texture Mapping and NURBS Week 7. The Limits of Geometric Modeling. Modeling an Orange. Three Types of Mapping. Modeling an Orange (2)
CS 480/680 INTERACTIVE COMPUTER GRAPHICS Texture Mapping and NURBS Week 7 David Breen Department of Computer Science Drexel University Objectives Introduce Mapping Methods Texture Mapping Environmental
A GRAPHICS PROCESSING UNIT IMPLEMENTATION OF THE PARTICLE FILTER
A GRAPHICS PROCESSING UNIT IMPLEMENTATION OF THE PARTICLE FILTER ABSTRACT Modern graphics cards for compuers, and especially heir graphics processing unis (GPUs), are designed for fas rendering of graphics.
Motion along a Line. Describing Motion along a Line
Moion along a Line Describing Moion: Displacemen Velociy Acceleraion Uniformly Acceleraed Moion Free Fall Describing Moion along a Line Wha is he posiion, elociy, and acceleraion of he blue do a each insan
Image Content Representation
Image Conen Represenaion Represenaion for curves and shapes regions relaionships beween regions E.G.M. Perakis Image Represenaion & Recogniion 1 Reliable Represenaion Uniqueness: mus uniquely specify an
An Improved Square-Root Nyquist Shaping Filter
An Improved Square-Roo Nyquis Shaping Filer fred harris San Diego Sae Universiy fred.harris@sdsu.edu Sridhar Seshagiri San Diego Sae Universiy Seshigar.@engineering.sdsu.edu Chris Dick Xilinx Corp. chris.dick@xilinx.com
Projection & Interaction
Projecion & Ineracion Algebra of projecion Canonical viewing volume rackball inerface ransform Hierarchies Preview of Assignmen #2 Lecure 8 Comp 236 Spring 25 Projecions Our lives are grealy simplified
CSC 240 Computer Graphics. Fall 2015 Smith College
CSC 240 Computer Graphics Fall 2015 Smith College Outline: 11/9 Stacks revisited Shading (using normal vectors) Texture Mapping Final quiz If time: robot with two arms White background slides from Eitan
The Traditional Graphics Pipeline
Last Time? The Traditional Graphics Pipeline Reading for Today A Practical Model for Subsurface Light Transport, Jensen, Marschner, Levoy, & Hanrahan, SIGGRAPH 2001 Participating Media Measuring BRDFs
In this paper we discuss the automatic construction of. are Delaunay triangulations whose smallest angles are bounded and, in
uomaic consrucion of qualiy nonobuse boundary Delaunay riangulaions Nancy Hischfeld and ara-ecilia Rivara Deparmen of ompuer Science, Universiy of hile, casilla 2777, Saniago, HILE e-mail: nancy@dcc.uchile.cl,
Projective geometry- 2D
Projecive geomer- D Acknowledgemens Marc Pollefes: for allowing e use of is ecellen slides on is opic p://www.cs.unc.edu/~marc/mvg/ Ricard Harle and Andrew Zisserman, "Muliple View Geomer in Compuer Vision"
Ph.D. Student Vintescu Ana-Maria
Ph.D. Student Vintescu Ana-Maria Context Background Problem Statement Strategy Metric Distortion Conformal parameterization techniques Cone singularities Our algorithm Experiments Perspectives Digital
Multiview three-dimensional (3-D) displays offer viewing of high-resolution. Resampling, Antialiasing, and Compression in Multiview 3-D Displays
[ Mahias Zwicker, Anhony Vero, Sehoon Yea, Wojciech Mausik, Hanspeer Pfiser, and Frédo Durand ] BRAND X PICTURES Resampling, Anialiasing, and Compression in Muliiew 3-D Displays [Addressing signal processing
Interacting with a 3D World
CS380: Computer Graphics Interacting with a 3D World Sung-Eui Yoon ( 윤성의 ) Course URL: http://sglab.kaist.ac.kr/~sungeui/cg/ Announcement Mid-term exam 12:40pm ~ 2:00pm, Mar-26 (Mon.) 2 Class Objectives
Design Alternatives for a Thin Lens Spatial Integrator Array
Egyp. J. Solids, Vol. (7), No. (), (004) 75 Design Alernaives for a Thin Lens Spaial Inegraor Array Hala Kamal *, Daniel V azquez and Javier Alda and E. Bernabeu Opics Deparmen. Universiy Compluense of