'Image warping' diaporamas de présentation

Image warping/morphing

Image warping/morphing. Digital Visual Effects Yung-Yu Chuang. with slides by Richard Szeliski, Steve Seitz, Tom Funkhouser and Alexei Efros. Image warping. B. A. Image formation. Sampling and quantization. What is an image. We can think of an image as a function, f : R 2 ? R:

1.48k views • 106 slides

Advanced Multimedia

Advanced Multimedia. Warping & Morphing Tamara Berg. Image Warping. http://www.jeffrey-martin.com. Slides from: Alexei Efros & Steve Seitz. Image Warping in Biology. D'Arcy Thompson http://www-groups.dcs.st-and.ac.uk/~history/Miscellaneous/darcy.html

1.02k views • 85 slides

Image Stitching

Image Stitching. Ali Farhadi CSE 576 Several slides from Rick Szeliski , Steve Seitz, Derek Hoiem , and Ira Kemelmacher. Combine two or more overlapping images to make one larger image. Add example. Slide credit: Vaibhav Vaish. How to do it?. Basic Procedure

1.04k views • 85 slides

Image warping Li Zhang CS559

Image warping Li Zhang CS559. Slides stolen from Prof Yungyu Chuang http://www.csie.ntu.edu.tw/~cyy/courses/vfx/07spring/overview/. What is an image. We can think of an image as a function, f : R 2 ? R: f ( x, y ) gives the intensity at position ( x, y )

977 views • 77 slides

Advanced Multimedia

Advanced Multimedia. Warping & Morphing Tamara Berg. Reminder. Project u pdates next week. Prepare a 10 minute presentation and submit a 4 paragraph summary to cseise364@gmail.com by midnight Monday, April 22. Image Warping. http://www.jeffrey-martin.com.

930 views • 76 slides

Image Stitching

Image Stitching. Panoramic Image Mosaics. Full screen panoramas (cubic): http://www.panoramas.dk/ Mars: http://www.panoramas.dk/fullscreen3/f2_mars97.html 2003 New Years Eve: http://www.panoramas.dk/fullscreen3/f1.html. Gigapixel panoramas & images. Mapping / Tourism / WWT.

1.87k views • 74 slides

Image-Based Rendering to Accelerate Interactive Walkthroughs

Lucent Technologies. Bell Labs Innovations. Image-Based Rendering to Accelerate Interactive Walkthroughs. Daniel G. Aliaga Visual Communications Research Lucent Technologies Bell Labs <aliaga@bell-labs.com>. 3D Models. 2.0M tris. 1.7M tris. 1.0M tris. 0.9M tris. Why Use Images?.

739 views • 62 slides

Computer Graphics Image warping and morphing

1.09k views • 61 slides

Homographies , Image Mosaics and Tracking

Homographies , Image Mosaics and Tracking. Assignment 2. Outline. Previously??? Homography Estimation Mandatory assignment 2 Uses of Homographies Linear texture mapping Stitching Perhaps a little on perspective projection Camera matrix Camera calibration matrix. HOMOGRAPHIES REVISITED.

756 views • 60 slides

Homographies , Image Mosaics and Tracking

Homographies , Image Mosaics and Tracking. Assignment 2. Outline. Previously??? Homography Estimation Mandatory assignment 2 Uses of Homographies Linear texture mapping Stitching Perhaps a little on perspective projection Camera matrix Camera calibration matrix. HOMOGRAPHIES REVISITED.

643 views • 54 slides

Presentations Computer Vision Research Lab

Presentations Computer Vision Research Lab. Relevant UMass Research Edward Riseman Image Warping for Image Registration Howard Schultz 3D Panoramic Imaging Howard Schultz 3D Terrain and Site Modeling Edward Riseman Aided Search and Target Cueing Gary Whitten

592 views • 46 slides

Image Warping (Szeliski 3.6.1)

Image Warping (Szeliski 3.6.1). http://www.jeffrey-martin.com. cs129: Computational Photography James Hays, Brown, Fall 2012. Slides from Alexei Efros and Steve Seitz. f. f. f. T. T. x. x. x. f. x. Image Transformations. image filtering: change range of image g(x) = T(f(x)).

512 views • 38 slides

Image Warps and Halftoning

Image Warps and Halftoning. Image Warping. Scale Rotate Warp Basically, we have to move image pixels This is done by mapping the pixels from the source to the destination image (actually backwards) then resampling. warp. Source image. Destination image. Image Warping. Overview Mapping

556 views • 35 slides

Image Warping

Image Warping. http://www.jeffrey-martin.com. 15-463: Computational Photography Alexei Efros, CMU, Spring 2010. Some slides from Steve Seitz. f. f. f. T. T. x. x. x. f. x. Image Transformations. image filtering: change range of image g(x) = T(f(x)).

436 views • 30 slides

???? HRI

???? HRI. ????? ??? ???????. ??? ??. ??? ?? ? ???? ???? ?? ??? ?? ??? ?? ?? ??? ?? ?? ?? ?? ???? HRI ?? ?? ? ?? ?? ??? ?? Survey ??? ???? ??? ?? ?? ?? ?? ?? ?? ?? ?? ?? ???? ??? ???? ?? ?? ? ? ?? ????? ??? ?? ??? ?? ?? ? ?? ?? ??? : Multiple View Geometry in Computer Vision

761 views • 28 slides

Architectural Walkthroughs

263 views • 18 slides

The PSF homogenization problem in large imaging surveys

The PSF homogenization problem in large imaging surveys. Emmanuel BERTIN (TERAPIX). PSF Variations. From exposure to exposure: Seeing changes Defocusing, jittering, tracking errors Pupil rotation (alt-az telescopes) Within the field Optical aberrations

252 views • 16 slides

Announcements

Announcements. Final is Thursday, March 18, 10:30-12:20 MGH 287 Sample final out today. Filtering. An image as a function Digital vs. continuous images Image transformation: range vs. domain Types of noise LSI filters cross-correlation and convolution properties of LSI filters

247 views • 15 slides

Jyh-Kuen Horng, Ming Ouhyoung Communications and Multimedia Lab.

Photo VR Editor: A Panoramic and Spherical Environment Map Authoring Tool for Image-Based VR Browsers. Jyh-Kuen Horng, Ming Ouhyoung Communications and Multimedia Lab. Dept. of Computer Science and Information Engineering National Taiwan University, Taipei, Taiwan, R.O.C. Outline.

247 views • 15 slides

WMH Replacement and Image Warping

WMH Replacement and Image Warping. Evan Fletcher. Purpose of method. Use warping to compile statistical profiles of WMH distributions. Goal. Prevent overestimation of ventricles during warping Obtain warped image with WMH voxels outside template ventricles (not inside!). Overview of method.

166 views • 8 slides