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Introduction to Computer Vision

Introduction to Computer Vision. Michael J. Black Oct 2004 Object Recognition. Goals. Last class: * Finished PCA. Today * Object Recognition, Light, Cameras. Wednesday * light and cameras wrap-up and DFFS (Alex). Object Recognition. In Assignment 2 you learn a model of mouths.

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Introduction to Computer Vision

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  1. Introduction to Computer Vision Michael J. Black Oct 2004 Object Recognition CS143 Intro to Computer Vision

  2. Goals Last class: * Finished PCA. Today * Object Recognition, Light, Cameras. Wednesday * light and cameras wrap-up and DFFS (Alex) CS143 Intro to Computer Vision

  3. Object Recognition In Assignment 2 you learn a model of mouths. - purely based on appearance - aligned data - one class (with some variation) - un-occluded - standard viewpoint CS143 Intro to Computer Vision

  4. Fei-Fei Li. CS143 Intro to Computer Vision

  5. Fei-Fei Li. CS143 Intro to Computer Vision

  6. Fei-Fei Li. CS143 Intro to Computer Vision

  7. Fei-Fei Li. CS143 Intro to Computer Vision

  8. One-Shot Learning Blickets CS143 Intro to Computer Vision

  9. One-Shot Learning Fei-Fei Li. CS143 Intro to Computer Vision

  10. Fei-Fei Li. CS143 Intro to Computer Vision

  11. Fei-Fei Li. CS143 Intro to Computer Vision

  12. Fei-Fei Li. CS143 Intro to Computer Vision

  13. Representing Objects Need to represent the appearance of parts and their spatial orientation. Fei-Fei Li. CS143 Intro to Computer Vision

  14. CS143 Intro to Computer Vision

  15. Parts Learn parts from examples. Find interesting points (structure tensor), find similar ones, use PCA to model them. From: Rob Fergus http://www.robots.ox.ac.uk/%7Efergus/ CS143 Intro to Computer Vision

  16. Shape Given a “vocabulary” of parts, learn a model of their spatial relationships From: Rob Fergus http://www.robots.ox.ac.uk/%7Efergus/ CS143 Intro to Computer Vision

  17. CS143 Intro to Computer Vision

  18. CS143 Intro to Computer Vision

  19. Representing Objects Fei-Fei Li. CS143 Intro to Computer Vision

  20. Recognizing Objects Fei-Fei Li. CS143 Intro to Computer Vision

  21. Recognizing Objects Fei-Fei Li. CS143 Intro to Computer Vision

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