Interview with Troy Sobotka - Part 2

Interview with Troy Sobotka - Part 2

From Color Mentor by Paul Hanrahan

October 14, 2024 · 2h 42m · Episode 6

About this episode

The episode features a detailed conversation with Troy Sobotka about visual cognition and image creation techniques.

This episode is the second part of my conversation with Troy Sobotka who is a Vancouver based lighting, rendering and all-round image creation person. You may know him as the designer of the Agx render transform. We dive further into the mechanisms of visual cognition and picture formation. He shares a vast knowledge and collection of reference material on this topic. See download link below for additional material. In past years he has written an online blog called the Hitchhikers Guide to Digital Color. I would highly recommend people to read it. We discuss: (00:00) - Intro. (01:11) - Episode summary. (01:43) - Visual examples of phenomena. (01:59) - Light and shade. (03:57) - Gilchrest’s gamut compression. (05:51) - Simultaneous contrast. (06:21) - Shimmer / luster. (07:26) - Induced contrast. (08:06) - Glare halo. (08:31) - Hermann grid. (08:57) - Watercolor effect. (10:31) - “Chevreul Effect”. (10:57) - Crispening. (11:46) - Neon Color Spreading. (12:18) - Chromatic induction. (12:46) - Gamut Compression/Expansion. (13:18) - Chromostereopsis. (14:11) - Face vase, Rabbit duck, Necker Cube. (15:39) - Kanizsa triangle. (15:57) - Dr. Tse cognition examples. (17:54) - Not the…

People in this episode

Host: Paul Hanrahan

Guest: Troy Sobotka

Topics covered

  • visual cognition
  • image creation
  • lighting
  • rendering
  • color theory
  • visual phenomena

Keywords

  • visual cognition
  • image creation
  • lighting
  • rendering
  • color theory
  • Agx render transform
  • Hitchhikers Guide to Digital Color

Mentioned in this episode

Organizations: Agx, Hitchhikers Guide to Digital Color

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