Webinars

Tailored courses covering important topics in VFX compositing. These courses are self-paced and not mentored, so you can set your own schedule. You will have lifetime access to all courses and webinars that you purchase.

Lens Distortion Workflows

$29.00

This webinar exposes the secrets of lens distortion- In less than an hour you can master the subject of lens distortion and the four different workflows for managing lens distortion.

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Description

Lens Distortion Workflows

In less than an hour you can master the subject of lens distortion and the four different workflows for managing lens distortion.

 

  • The webinar starts with a demonstration of the difference between barreling and pincushioning lens distortions and the very different results when you undistort them.
  • Once you understand this you are ready to lean how to set up a CG over Live Action compositing lens distortion pipeline and test to confirm that you have correctly undistorted the plate.
  • All four cases of lens distortion management – CG over live, live over CG, live over live, and CG over CG – are laid out step by step first as a flowgraph then with a real world case study to show the techniques in action on real plates.

Duration –under one hour (51 minute video) 

 

Course Outline

Lens Distortion Workflows

  1. About Lens Distortion
    1. the two types of lens distortion
    2. how they distort the image
    3. what happens when the image is undistorted
    4. avoiding softening due to over filtering
  2. Ensuring a Correct Workflow
    1. How to confirm the undistorted version of pincushioning
    2. How to confirm the undistorted version of barreling
    3. Demonstration with a case study
  3. A Nuke moment:
    1. using Nuke’s STMap to undistort and redistort images
  4. CG Over Live Action
    1. step by step flowgraph of the workflow
    2. a case study of CG over Live Action
    3. camera tracking the plate
    4. aligning reference geometry
    5. rendering the CG with the solved camera
  5. Live Action over CG
    1. step by step flowgraph of the workflow
    2. a case study of live action over CG
    3. solving the live action lens distortion
    4. distorting the CG to match
  6. CG over CG
    1. step by step flowgraph of the workflow
    2. a case study of CG over CG
    3. the three cases of lens distortion
    4. how to render the CG for distortion

Recommended Reading

 Available now at amazon.com

Digital Compositing for Film and Video

4th edition

by Steve Wright

A very popular book on the theory and practice of digital compositing.

This book has become a steady machine-side companion for even the most serious compositors.  It contains encyclopedic knowledge of digital compositing plus it addresses real world production problems and provides their solutions.

Featuring new content on powerful new keying techniques, ACES and ColorIO, working in linear and VR Stitching.

If you don’t have a copy yet, purchase it today at amazon.com.

 
Includes Exclusive Web Content!

 

The web content for this book can be downloaded by visiting the publisher’s website (https://routledgetextbooks.com/textbooks/9781138240377/) to request access to the book’s resources. To get your access token you must have proof of your purchase of the hard cover, soft cover, or an electronic version.

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