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University of Central Florida

Camera Model and Perspective Projection - Lecture 20

University of Central Florida via YouTube

Overview

Explore the fundamentals of camera models and image formation in this comprehensive lecture from the University of Central Florida's CAP5415 course. Delve into topics such as pinhole cameras, camera obscura, lens systems, and the thin lens assumption. Examine depth of field, 3D relations, and pose estimation, including a practical example of object insertion. Investigate scene understanding, perspective projection, and forced perspective techniques used in films like Lord of the Rings. Learn about camera parameters, extrinsics, focal length, and projection matrices. Understand radial distortion and its correction methods. Gain a thorough understanding of the camera model and its applications in computer vision and image processing.

Syllabus

What have we covered?
Image formation
Pinhole camera
Camera Obscura
Shrinking the aperture
Adding a lens
Lenses
Thin lens assumption
Depth of field
The eye
Pin hole Camera
3D Relations and Pose Estimation
UCF Example of Object Insertion
Scene understanding
Modeling projection
Fun with perspective
Forced perspective in LOTR
Perspective Projection (Origin at lens center)
Perspective Projection Example
A Tale of Two Coordinate Systems
Camera parameters
Extrinsics • How do we get the camera to canonical form ?
Focal length
Projection matrix
UCF Distortion
Correcting radial distortion
Camera Model

Taught by

UCF CRCV

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