374 Lambertian PPTs View free & download

Lambertian Reflectance and Linear Subspaces PowerPoint PPT Presentation

Lambertian Reflectance and Linear Subspaces - Title: No Slide Title Author: dwj Last modified by: dwj Created Date: 11/2/2000 9:50:58 PM Document presentation format: On-screen Show Company: NEC Research Institute

Title: No Slide Title Author: dwj Last modified by: dwj Created Date: 11/2/2000 9:50:58 PM Document presentation format: On-screen Show Company: NEC Research Institute

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3D Reconstruction Beyond Lambertian PowerPoint PPT Presentation

3D Reconstruction Beyond Lambertian - Multi-layered Stereo. Y. Tsin, S.B. Kang and R. Szeliski (cvpr 2003) Image-pair Stereo. Phong Reflection Model. Reflection Model. Image-cluster Stereo ...

Multi-layered Stereo. Y. Tsin, S.B. Kang and R. Szeliski (cvpr 2003) Image-pair Stereo. Phong Reflection Model. Reflection Model. Image-cluster Stereo ...

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Optimally Resolving Lambertian Surface Orientation PowerPoint PPT Presentation

Optimally Resolving Lambertian Surface Orientation - Resolve surface slope and shape from intensity images corrupted by speckle noise ... Smooth surfaces Specular reflection. Rough surface Scattering function ...

Resolve surface slope and shape from intensity images corrupted by speckle noise ... Smooth surfaces Specular reflection. Rough surface Scattering function ...

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Lambertian Reflectance and Linear Subspaces - ... Graham; Covell; Cui and Weng; Daily and Cottrell; Demir, Akarun, and ... Kagesawa, Ueno, Kasushi, and Kashiwagi; King and Xu; Kalocsai, Zhao, and Elagin; ...

... Graham; Covell; Cui and Weng; Daily and Cottrell; Demir, Akarun, and ... Kagesawa, Ueno, Kasushi, and Kashiwagi; King and Xu; Kalocsai, Zhao, and Elagin; ...

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Optimally Resolving Lambertian Surface Orientation - Using asymptotic expansions of the type: We can derive necessary conditions on SNR: ... require that the maximum allowable variance is 1o, then: Shallow s1, s2 ...

Using asymptotic expansions of the type: We can derive necessary conditions on SNR: ... require that the maximum allowable variance is 1o, then: Shallow s1, s2 ...

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Shape from Shading and Texture PowerPoint PPT Presentation

Shape from Shading and Texture - Shape from Shading and Texture Lambertian Reflectance Model Diffuse surfaces appear equally bright from all directions For point illumination, brightness proportional ...

Shape from Shading and Texture Lambertian Reflectance Model Diffuse surfaces appear equally bright from all directions For point illumination, brightness proportional ...

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Lecture 2 Image cues Shading, Stereo, Specularities PowerPoint PPT Presentation

Lecture 2 Image cues Shading, Stereo, Specularities - ... Analytic PCA construction for Theoretical analysis ... of SH. Function ... SH representation. Lambertian kernel. light. Lambertian reflectance ...

... Analytic PCA construction for Theoretical analysis ... of SH. Function ... SH representation. Lambertian kernel. light. Lambertian reflectance ...

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Shadow Resistant Video Tracking PowerPoint PPT Presentation

Shadow Resistant Video Tracking - We present an invariant image model. ... For narrow band. Sensors: n. ai. Lambertian Surface. The responses: Planckian Lighting ...

We present an invariant image model. ... For narrow band. Sensors: n. ai. Lambertian Surface. The responses: Planckian Lighting ...

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Lab 10 - ... use can not change the radiance, once we account for index of ... Lambertian : radiance from a lambertian surface is independent of view angle. I=I0 cos (?) ...

... use can not change the radiance, once we account for index of ... Lambertian : radiance from a lambertian surface is independent of view angle. I=I0 cos (?) ...

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Diffuse%20Reflections%20from%20Rough%20Surfaces PowerPoint PPT Presentation

Diffuse%20Reflections%20from%20Rough%20Surfaces - ... like in Torrance-Sparrow Model ... Torrance-Sparrow BRDF Different Factors ... Torrance-Sparrow BRDF. Lambertian BRDF. Oren-Nayar BRDF. No view dependence ...

... like in Torrance-Sparrow Model ... Torrance-Sparrow BRDF Different Factors ... Torrance-Sparrow BRDF. Lambertian BRDF. Oren-Nayar BRDF. No view dependence ...

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Frequency Domain Normal Map Filtering PowerPoint PPT Presentation

Frequency Domain Normal Map Filtering - Radially symmetric BRDFs. Lambertian: Blinn-Phong: Torrance ... Radially symmetric. more concentrated. less concentrated. Mixtures of vMFs. NDF. number of vMFs ...

Radially symmetric BRDFs. Lambertian: Blinn-Phong: Torrance ... Radially symmetric. more concentrated. less concentrated. Mixtures of vMFs. NDF. number of vMFs ...

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Reflectance Models PowerPoint PPT Presentation

Reflectance Models - Reflectance Models CS 319 Advanced Topics in Computer Graphics John C. Hart Reflectance Models Phong/Blinn Diffuse using Lambertian model Specular using a hack Cook ...

Reflectance Models CS 319 Advanced Topics in Computer Graphics John C. Hart Reflectance Models Phong/Blinn Diffuse using Lambertian model Specular using a hack Cook ...

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Shape and Reflectance Estimation Techniques PowerPoint PPT Presentation

Shape and Reflectance Estimation Techniques - SFM to reconstruct points from feature points (camera geometry, ... Generalized Lambertian [ Oren, Nayar 1995] Throughly Pitted surfaces [Koenderink et al 1999] ...

SFM to reconstruct points from feature points (camera geometry, ... Generalized Lambertian [ Oren, Nayar 1995] Throughly Pitted surfaces [Koenderink et al 1999] ...

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Human Role in Lunar Landing PowerPoint PPT Presentation

Human Role in Lunar Landing - ... due to non-Lambertian regolith reflectance, weak gravitational 'down' cues. ... Regolith reflectance is not Earthlike (non-Lambertian) ...

... due to non-Lambertian regolith reflectance, weak gravitational 'down' cues. ... Regolith reflectance is not Earthlike (non-Lambertian) ...

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Insight%202 :%20Representations%20for%20object%20recognition PowerPoint PPT Presentation

Insight%202 :%20Representations%20for%20object%20recognition - Classification of singularities of shade/shadow/contour for Lambertian surfaces, ... A simple semi-fold' singularity: contour green and shade boun-dary cyan ...

Classification of singularities of shade/shadow/contour for Lambertian surfaces, ... A simple semi-fold' singularity: contour green and shade boun-dary cyan ...

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Pr - UMR Environnement et Grandes Cultures. INRA Thiverval-Grignon ... Borel (1991); Goel (1991), Garcia-Haro (2002), fr(x) i. L(y,r) B i (radiosity) H Lambertian ...

UMR Environnement et Grandes Cultures. INRA Thiverval-Grignon ... Borel (1991); Goel (1991), Garcia-Haro (2002), fr(x) i. L(y,r) B i (radiosity) H Lambertian ...

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A Markov Random Field Framework for Finding Shadows in a Single Colour Image PowerPoint PPT Presentation

A Markov Random Field Framework for Finding Shadows in a Single Colour Image - For narrow-band Sensors: n. ai. Lambertian Surface. The responses: Planckian Lighting ... Let us define a set of 2D band-ratio chromaticities: p is one of the ...

For narrow-band Sensors: n. ai. Lambertian Surface. The responses: Planckian Lighting ... Let us define a set of 2D band-ratio chromaticities: p is one of the ...

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Image Formation PowerPoint PPT Presentation

Image Formation - Reflection and Illumination: color, lambertian and specular surfaces, Phong, BDRF (*optional) ... An image can be represented by an image function whose general ...

Reflection and Illumination: color, lambertian and specular surfaces, Phong, BDRF (*optional) ... An image can be represented by an image function whose general ...

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ECE 449CS 443: COMPUTER VISON LECTURE 8 PowerPoint PPT Presentation

ECE 449CS 443: COMPUTER VISON LECTURE 8 - Photometric Stereo (Woodham, 1979) ... Photometric Stereo: Example (1) Assume a Lambertian surface and distant point light sources. ...

Photometric Stereo (Woodham, 1979) ... Photometric Stereo: Example (1) Assume a Lambertian surface and distant point light sources. ...

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Pattern Recognition PowerPoint PPT Presentation

Pattern Recognition - A Class is a particular 'pattern' that one wants to detect from the input data. ... Assume lambertian reflectance for the faces (e.g., ignoring the oily forehead, etc) ...

A Class is a particular 'pattern' that one wants to detect from the input data. ... Assume lambertian reflectance for the faces (e.g., ignoring the oily forehead, etc) ...

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Computer Vision PowerPoint PPT Presentation

Computer Vision - Title: PowerPoint Presentation Last modified by: Srinivasa Narasimhan Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show (4:3)

Title: PowerPoint Presentation Last modified by: Srinivasa Narasimhan Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show (4:3)

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Active Lighting for Appearance Decomposition PowerPoint PPT Presentation

Active Lighting for Appearance Decomposition - Active Lighting for Appearance Decomposition Todd Zickler DEAS, Harvard University Appearance Research Overview Reflectance: BRDF Conventional 3D Reconstruction ...

Active Lighting for Appearance Decomposition Todd Zickler DEAS, Harvard University Appearance Research Overview Reflectance: BRDF Conventional 3D Reconstruction ...

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THE REFLECTANCE MAP AND SHAPE-FROM-SHADING PowerPoint PPT Presentation

THE REFLECTANCE MAP AND SHAPE-FROM-SHADING - November 4, 1998. 1. THE REFLECTANCE MAP AND SHAPE-FROM-SHADING ... albedo. Diffuse. albedo. Specular. albedo. PHONG MODEL. E = L (a COS q b COS a) n ...

November 4, 1998. 1. THE REFLECTANCE MAP AND SHAPE-FROM-SHADING ... albedo. Diffuse. albedo. Specular. albedo. PHONG MODEL. E = L (a COS q b COS a) n ...

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Appearance Models for Graphics PowerPoint PPT Presentation

Appearance Models for Graphics - n a a Appearance Models for Graphics da COMS 6998-3 Brief Overview of Reflection Models Assignments E-mail me name, status, Grade/PF. If you don t do this, you won ...

n a a Appearance Models for Graphics da COMS 6998-3 Brief Overview of Reflection Models Assignments E-mail me name, status, Grade/PF. If you don t do this, you won ...

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Radiometry of Image Formation PowerPoint PPT Presentation

Radiometry of Image Formation - Radiometry of Image Formation Jitendra Malik A camera creates an image The image I(x,y) measures how much light is captured at pixel (x,y) We want to know Where ...

Radiometry of Image Formation Jitendra Malik A camera creates an image The image I(x,y) measures how much light is captured at pixel (x,y) We want to know Where ...

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Shading / Light PowerPoint PPT Presentation

Shading / Light - Shading / Light Thanks to Srinivas Narasimhan, Langer-Zucker, Henrik Wann Jensen, Ravi Ramamoorthi, Hanrahan, Preetham

Shading / Light Thanks to Srinivas Narasimhan, Langer-Zucker, Henrik Wann Jensen, Ravi Ramamoorthi, Hanrahan, Preetham

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Computer Vision - Midterm review class next Tuesday (March 7) (Email me by March 6 specific ... Given R(p,q) ( (pS,qS) and surface reflectance) can we determine (p,q) uniquely ...

Midterm review class next Tuesday (March 7) (Email me by March 6 specific ... Given R(p,q) ( (pS,qS) and surface reflectance) can we determine (p,q) uniquely ...

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Power Point - Lighting affects appearance

Lighting affects appearance

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Analysis of Lighting Effects PowerPoint PPT Presentation

Analysis of Lighting Effects - Outline: The problem Lighting models Shape from shading Photometric stereo Harmonic analysis of lighting

Outline: The problem Lighting models Shape from shading Photometric stereo Harmonic analysis of lighting

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Lighting affects appearance PowerPoint PPT Presentation

Lighting affects appearance - Determine what light strikes what surfaces. Basic fact: Light is linear ... Torrance Sparrow models roughness of surfaces and shadowing of microfacets. ...

Determine what light strikes what surfaces. Basic fact: Light is linear ... Torrance Sparrow models roughness of surfaces and shadowing of microfacets. ...

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Radiometry, lights and surfaces PowerPoint PPT Presentation

Radiometry, lights and surfaces - Title: PowerPoint Presentation Last modified by: Marc Pollefeys Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

Title: PowerPoint Presentation Last modified by: Marc Pollefeys Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

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Image formation 2 PowerPoint PPT Presentation

Image formation 2 - Light power per unit area (watts per square meter) incident on a surface. ... E times pixel area times exposure time - pixel intensity. light. surface. Radiance, L ...

Light power per unit area (watts per square meter) incident on a surface. ... E times pixel area times exposure time - pixel intensity. light. surface. Radiance, L ...

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Basic Principles of Surface Reflectance PowerPoint PPT Presentation

Basic Principles of Surface Reflectance - BRDFs of Glossy Surfaces. Delta Function too harsh a BRDF model ... Many glossy surfaces show broader highlights in addition to specular reflection. ...

BRDFs of Glossy Surfaces. Delta Function too harsh a BRDF model ... Many glossy surfaces show broader highlights in addition to specular reflection. ...

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Atmospheric effect in the solar spectrum PowerPoint PPT Presentation

Atmospheric effect in the solar spectrum - Solution of the Radiative Transfer in the reflective domain for non ... noon at 45degree latitude at vernal equinox looking straight up at 0.45 m, 0.55 m, 0.65 ...

Solution of the Radiative Transfer in the reflective domain for non ... noon at 45degree latitude at vernal equinox looking straight up at 0.45 m, 0.55 m, 0.65 ...

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Texture%20mapping PowerPoint PPT Presentation

Texture%20mapping - Title: Texture mapping and its applications Candidacy Exam Author: Alejandro Troccoli Last modified by: Peter Allen Created Date: 4/11/2003 9:27:19 PM

Title: Texture mapping and its applications Candidacy Exam Author: Alejandro Troccoli Last modified by: Peter Allen Created Date: 4/11/2003 9:27:19 PM

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Radiative Transfer Model PowerPoint PPT Presentation

Radiative Transfer Model - Title: PowerPoint Presentation Author: dcrisp Last modified by: Vij Created Date: 5/2/2002 2:05:26 AM Document presentation format: On-screen Show Company

Title: PowerPoint Presentation Author: dcrisp Last modified by: Vij Created Date: 5/2/2002 2:05:26 AM Document presentation format: On-screen Show Company

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Lecture 5: Radiative transfer theory where light comes from and how it gets to where it PowerPoint PPT Presentation

Lecture 5: Radiative transfer theory where light comes from and how it gets to where it - Title: No Slide Title Author: Alan Gillespie Last modified by: alan Created Date: 1/6/2003 5:25:41 AM Document presentation format: On-screen Show Company

Title: No Slide Title Author: Alan Gillespie Last modified by: alan Created Date: 1/6/2003 5:25:41 AM Document presentation format: On-screen Show Company

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Clustering Appearance for Scene Analysis - Clustering Appearance for Scene Analysis

Clustering Appearance for Scene Analysis

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Eyes for Relighting PowerPoint PPT Presentation

Eyes for Relighting - Eyes for Relighting Extracting environment maps for use in integrating and relighting scenes (Noshino and Nayar) Previous Work Global illumination image based ...

Eyes for Relighting Extracting environment maps for use in integrating and relighting scenes (Noshino and Nayar) Previous Work Global illumination image based ...

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Radiometry - ... and direction has a dramatic impact on distribution of brightness in the ... Moon should be less bright at edges, as gets less light from sun. ...

... and direction has a dramatic impact on distribution of brightness in the ... Moon should be less bright at edges, as gets less light from sun. ...

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Perspective Structure from Motion PowerPoint PPT Presentation

Perspective Structure from Motion - With full perspective, can recover more information (translation ... r = reflectance (albedo) of surface. l = direction to light source. n = surface normal ...

With full perspective, can recover more information (translation ... r = reflectance (albedo) of surface. l = direction to light source. n = surface normal ...

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Color spaces PowerPoint PPT Presentation

Color spaces - CIE-XYZ Gamut Considerations in determining the R,B,G primitives Color segmentation Color segmentation ... The number of colors in the original image 80,000, ...

CIE-XYZ Gamut Considerations in determining the R,B,G primitives Color segmentation Color segmentation ... The number of colors in the original image 80,000, ...

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So far: Face Detection Cameras, 3D stereo, Object Recognition SegmentationTracking Last three lectur PowerPoint PPT Presentation

So far: Face Detection Cameras, 3D stereo, Object Recognition SegmentationTracking Last three lectur - Cameras, 3D stereo, Object Recognition. Segmentation/Tracking. Last three lectures: Extras. ... a point has the same color, no matter where the camera is ...

Cameras, 3D stereo, Object Recognition. Segmentation/Tracking. Last three lectures: Extras. ... a point has the same color, no matter where the camera is ...

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An Efficient Representation for Irradiance Environment Maps PowerPoint PPT Presentation

An Efficient Representation for Irradiance Environment Maps - An Efficient Representation for Irradiance Environment Maps Ravi Ramamoorthi Pat Hanrahan Stanford University Natural Illumination People perceive materials more ...

An Efficient Representation for Irradiance Environment Maps Ravi Ramamoorthi Pat Hanrahan Stanford University Natural Illumination People perceive materials more ...

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Spherical Convolution in Computer Graphics and Vision PowerPoint PPT Presentation

Spherical Convolution in Computer Graphics and Vision - Spherical Convolution in Computer Graphics and Vision Ravi Ramamoorthi Columbia Vision and Graphics Center Columbia University SIAM Imaging Science Conference: May 17 ...

Spherical Convolution in Computer Graphics and Vision Ravi Ramamoorthi Columbia Vision and Graphics Center Columbia University SIAM Imaging Science Conference: May 17 ...

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Conquering Electronic Display Reflection Measurement Irreproducibility PowerPoint PPT Presentation

Conquering Electronic Display Reflection Measurement Irreproducibility - Conquering Electronic Display Reflection Measurement Irreproducibility. Edward F. Kelley ... Ergonomics and vision science must be based upon good metrology ...

Conquering Electronic Display Reflection Measurement Irreproducibility. Edward F. Kelley ... Ergonomics and vision science must be based upon good metrology ...

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Stereo Vision Reading: Chapter 11 PowerPoint PPT Presentation

Stereo Vision Reading: Chapter 11 - Slide credits for this chapter: David Jacobs, Frank Dellaert, Octavia Camps, Steve Seitz ... Matching points lie along corresponding epipolar lines ...

Slide credits for this chapter: David Jacobs, Frank Dellaert, Octavia Camps, Steve Seitz ... Matching points lie along corresponding epipolar lines ...

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Basic Principles of Surface Reflectance - We need to understand the relation between ... Helmholtz Stereopsis. http://www.eecs.harvard.edu/~zickler/dichromaticediting.html ...

We need to understand the relation between ... Helmholtz Stereopsis. http://www.eecs.harvard.edu/~zickler/dichromaticediting.html ...

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An Efficient Representation for Irradiance Environment Maps - 9 numbers instead of integrals for every pixel. Lighting ... Irradiance Map Texture. Quadratic Polynomial. 6 Directional Light sources. Note Mach Banding ...

9 numbers instead of integrals for every pixel. Lighting ... Irradiance Map Texture. Quadratic Polynomial. 6 Directional Light sources. Note Mach Banding ...

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Validation of the 6S radiative transfer code for atmospheric correction of MODIS data PowerPoint PPT Presentation

Validation of the 6S radiative transfer code for atmospheric correction of MODIS data - 90-100% - molecular atmosphere at 900 scattering angle. 30% - small aerosol particles ... accuracy of raw MODIS top-of-atmosphere reflectance data. ...

90-100% - molecular atmosphere at 900 scattering angle. 30% - small aerosol particles ... accuracy of raw MODIS top-of-atmosphere reflectance data. ...

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Shape%20from%20Shading%20and%20Texture PowerPoint PPT Presentation

Shape%20from%20Shading%20and%20Texture - Diffuse surfaces appear ... r = reflectance (albedo) of surface. l = direction to light source. n = surface normal ... Estimating Illumination and Albedo ...

Diffuse surfaces appear ... r = reflectance (albedo) of surface. l = direction to light source. n = surface normal ... Estimating Illumination and Albedo ...

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Announcements PowerPoint PPT Presentation

Announcements - 456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz GpSs tFTO ... ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ...

456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz GpSs tFTO ... ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ...

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Signal Processing Framework for Reflection - Signal Processing Framework for Reflection

Signal Processing Framework for Reflection

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Illumination PowerPoint PPT Presentation

Illumination - ... we use a lot of approximations hacks, really to do this simulation fast ... be too great near the light source and too small far away time for a hack. ...

... we use a lot of approximations hacks, really to do this simulation fast ... be too great near the light source and too small far away time for a hack. ...

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Multiview Stereo Beyond Lambert PowerPoint PPT Presentation

Multiview Stereo Beyond Lambert - They prove that the Frobenius norm of the tensor discrepancy is optimizable. F norm: the obvious one (root of sum of squares of elements), as opposed to the ...

They prove that the Frobenius norm of the tensor discrepancy is optimizable. F norm: the obvious one (root of sum of squares of elements), as opposed to the ...

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Computer Graphics Shading Models PowerPoint PPT Presentation

Computer Graphics Shading Models - CG I Shading Models. Recap: Fundamental Ray Tracing Steps. Primary ... Absorption in photosphere. Path length through photosphere. longer from the Sun's rim ...

CG I Shading Models. Recap: Fundamental Ray Tracing Steps. Primary ... Absorption in photosphere. Path length through photosphere. longer from the Sun's rim ...

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Lambertian PowerPoint PPT Presentations