+ All Categories
Home > Documents > Image analysis algorithm

Image analysis algorithm

Date post: 03-Jun-2018
Category:
Upload: engr-ebi
View: 224 times
Download: 0 times
Share this document with a friend

of 27

Transcript
  • 8/12/2019 Image analysis algorithm

    1/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Web page: www.csd.uwo.ca/courses/CS4487a/ Announcements, assignments, code samples/libraries, syllabus

    Lecture notes

    Useful links (e.g. papers, other lecture notes, code)

    Text-book: Sonka, Hlavac, Boyle. Image Processing, Analysis, and Machine Vision.

    Thomson Learning; 3 edition (2007)

    Recommended texts:

    Richard Szeliski (Microsoft Research). Computer Vision: Algorithms and Applications

    http://www.research.microsoft.com/~szeliski/Book

    Kleinberg and Tardos. Algorithm Design, Addison Wesley, 2006

    Gonzalez and Woods. Digital Image Processing, Prentice Hall, 2002

    Stan Z. Li. Markov Random Field Modeling in Image Analysis, Springer, 2009

    Extra reading (texts, journal/conference papers)

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    2/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Today Overview of Image Analysis

    Overview of Course

    Image Formation

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    3/27

    The University of

    Ontario

    Slide from Steve Seitz

    Overview of Image Analysis

    modeling

    - shape

    - light- motion

    - optics

    - images

    animation

    rendering

    user-interfaces

    surface design

    Computer Graphics

    shape estimation

    motion estimation

    recognition

    2D & 3D modeling

    modeling

    - shape

    - light- motion

    - optics

    - images

    Image Analysis

    (Computer Vision)

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    4/27

    The University of

    Ontario

    CS 4487/9587

    Overview of Image Analysis

    Segmentation in Medical Imaging:

    2D segmentation(snakes)

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    5/27

    The University of

    Ontario

    CS 4487/9587

    Overview of Image Analysis

    Segmentation in Medical Imaging:

    3D Model of a liver from Medical Data

    2D model

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    6/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Segmentation in photo editing:

    livewire

    Grab cuts

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    7/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Object Recognition and tracking:

    pictorial structures

    tracking pictorial structures

    http://localhost/var/www/apps/conversion/tmp/scratch_5/bone_ext.gifhttp://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    8/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Object Recognition and tracking:

    Bottom-up tracker

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    9/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Motion and tracking in medical imaging:

    beating heart

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    10/27

    The University of

    Ontario

    Slide by Aleosha Effros

    Algorithms for Image Analysis

    Stereo Reconstruction from Photo Images

    Shape from two (or more) images

    Biological motivation

    known

    camera

    viewpoints

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    11/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    (state of the art) stereo depth map Ground truth

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    12/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    3D model

    Vogiatis et al. CVPR05

    More then

    2 images

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    13/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    images from a cheapconsumer-grade digital camera

    Automatic 3D model reconstruction

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    14/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    3D model

    multi-view reconstruction set up

    Furukawa&Ponce ECCV06

    (texture mapped)

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    15/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    3D model

    multi-view reconstruction set up

    Furukawa&Ponce ECCV06

    (texture mapped)

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    16/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    a cloud of 3D points(e.g. from a laser scanner)

    3D model:

    surface fitting:

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    17/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Debevec, Taylor, and Malik, SIGGRAPH 1996

    3D Scene Reconstruction:

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    18/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    3D model constructed form 12 images

    h i i f

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    19/27

    The University of

    Ontario

    Synthetic View

    CS 4487/9587

    Algorithms for Image Analysis

    Th U i it f

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    20/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    3D Scene Reconstruction:From a single view!!!

    Courtesy

    Creminisi et al.

    Th U i it f

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    21/27

    The University of

    Ontario

    Texture Synthesis:

    CS 4487/9587

    Algorithms for Image Analysis

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    22/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Video Texture:

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    23/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Super-imposing R G B channels withoutexact alignment

    After proper registration

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    24/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Medical Image Fusion:

    MRI + CT

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    25/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Photo Image Morphing:

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    26/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Image Blending:

    The University of

    http://www.uwo.ca/
  • 8/12/2019 Image analysis algorithm

    27/27

    The University of

    Ontario

    CS 4487/9587

    Algorithms for Image Analysis

    Image Blending:

    http://www.uwo.ca/

Recommended