NEW Fundamentals of Translucency Perception
Instructor: Davit Gigilashvili, Norwegian University of Science and Technology (NTNU)
Level: Overview
Duration: 2 Hours
Course Time:
     New York: 28 October 2021, 10:00 - 12:15
     Paris: 28 October 2021, 16:00 - 18:15
     Tokyo: 28 October 2021, 23:00 - 29 October 01:15

Course Prerequisites: Basic knowledge of color science, human vision and image processing will help, but is not necessary for understanding the course content.
Benefits:
Attendees will be able to:

• Learn about the role of translucency in the appearance of objects and materials and the major applications of translucency perception research.
• Explain known visual mechanisms of perceiving translucency, existing partial models, and remaining gaps in the field.
• Discuss the factors impacting and contributing to translucency appearance and how translucency relates to other appearance attributes, such as transparency, color, and gloss.
• Describe the major challenges and puzzling questions about translucency perception.

Course Description
Humans interact with translucent materials, such as creams, cheese, wax, and marble, on a daily basis and somehow understand that they are light permeable, but the mechanisms of this ability remain far less researched than perception of color and other attributes. Translucency has a considerable impact on how objects and materials look. The course begins with the role of translucency in material appearance and its applications in science and industry, before providing an overview of how  the human visual system perceives translucency, what objective and subjective factors contribute to this process, and what should be considered to produce translucent look. Finally, what remains unknown and where the research should go next is discussed. A review paper is provided as further reading material.

Intended Audience: students, PhD candidates, postdoctoral researchers, engineers, designers, artists, and other professionals dealing with modeling, measuring, and manufacturing or rendering different materials.

Davit Gigilashvili has a PhD in color science from NTNU. The topics of his doctoral research were material appearance and translucency perception. Gigilashvili has co-authored 15 articles on these topics, including a comprehensive state-of-the-art review on translucency perception that is accepted for publication in the Journal of Vision.

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