Silicon Valley ACM SIGGRAPH

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Silicon Valley ACM SIGGRAPH We are the local Silicon Valley chapter of ACM SIGGRAPH.

We host speakers monthly, presenting topics related to the state-of-the-art in the technology and applications of computer graphics.

11/10 6-9pm: EMMY-WINNING VR THEATER “UNCANNY ALLEY” TOPERFORM LIVE IN SAN FRANCISCO AND LOS ANGELESThe Los Angeles, San...
10/24/2026

11/10 6-9pm: EMMY-WINNING VR THEATER “UNCANNY ALLEY” TO
PERFORM LIVE IN SAN FRANCISCO AND LOS ANGELES

The Los Angeles, San Francisco, and Silicon Valley chapters of ACM SIGGRAPH will jointly host a live staging of Uncanny Alley: A New Day, the Emmy-winning theatrical performance in virtual reality, on November 10. The production will perform simultaneously at Gray Area in San Francisco and Clubhouse.la in Los Angeles: one cast across two stages.

Brendan Bradley (San Francisco) and Whitton Frank (Los Angeles), members of the Ferryman Collective who originated these roles, transition seamlessly between improvisation and the scripted hour-long drama, portraying 15 characters. They are joined on each stage by two audience participants, in headset and fully embodied as characters in the virtual world, who can say or do anything to influence the story.

Each seated audience watches its live performers interact with the parallel stage 350 miles away. The production is written and directed by Stephen Butchko, with the world created by Rick Treweek, technical direction by Screaming Color, and artistic direction by Deidre V Lyon. The two-venue architecture was developed by Bradley, who also performs in San Francisco. It builds on his Edinburgh Fringe 2024 premiere, which ran on-stage, in VR, and livestream simultaneously.

After the performance, the cast will lead us on a “backstage tour” of the company’s groundbreaking techniques in virtual show control. They’ll discuss the technology being developed at Ferryman Collective, and how both locations projected the real-time VR experience at each other’s site. They’ll answer questions about real-time technology that they use for this hour-long performance.
We would be glad to have you join us.

Location: Gray Area (2665 Mission St, San Francisco, CA 94110)
Date: November 10
Time: 6pm doors open, mixer in bar area
----- 7pm performance in the Grand Theater
----- 8pm "backstage tour" and Q&A with performers

Tickets: https://tinyurl.com/ferryman-siggraph-sf

Press contact: [email protected]
About ACM SIGGRAPH: The Association for Computing Machinery's special interest group on computer graphics and interactive techniques has professional and student chapters around the world. The San Francisco and Silicon Valley chapters regularly host professional events and presentations of film, broadcast, game, motion graphics, interactive work and technology.
https://san-francisco.siggraph.org/
https://www.meetup.com/sv-siggraph/
About Gray Area: Gray Area is a San Francisco nonprofit applying art and technology for social and civic impact through education, incubation, and public events, operating the historic Grand Theater in the Mission District. https://grayarea.org/
About Ferryman Collective : Ferryman Collective is an Emmy-winning, non-profit theatre company world-renowned for live performance in virtual worlds. With Premieres at Venice, Tribeca, and SXSW, Ferryman Collective bridges live theatre and interactive tech. https://www.ferrymancollective.com/

03/17/2026

This Thursday: Virtual and Augmented Reality in Medicine

Theory of Human Tetrachromatic Color Experience and PrintingThursday, May 22, 20257:00 PM to 9:00 PM PDTURL: https://www...
05/14/2025

Theory of Human Tetrachromatic Color Experience and Printing

Thursday, May 22, 2025
7:00 PM to 9:00 PM PDT
URL: https://www.meetup.com/sv-siggraph/events/307060083/?eventOrigin=your_events #:~:text=https://acm%2Dorg.zoom.us/j/96306474444?pwd=PYEt2LaX0XnaaFbvhUN5op4CAOChhA.1

Jessica Lee, UC Berkeley, PhD Candidate

Abstract: Instead of the expected 3-colors (Red, Green, Blue), genetic studies indicate that more than 50% of women are genetically tetrachromatic, expressing four distinct types of color photoreceptors (cone cells) in the retina. At least one functional tetrachromat has been identified in laboratory tests. We hypothesize that there is a large latent group in the population capable of fundamentally richer color experience, but we are not yet aware of this group because of a lack of tetrachromatic colors in the visual environment. In this talk, we describe how we generalized color theory to predict the perceptual experience of tetrachromats, and the engineering to fabricate these tetrachromatic colors to help us identify tetrachromats in the wild. We first develop the theory to derive the key color structures for tetrachromacy, predicting that a tetrachromat’s analogue of a hue circle is a hue sphere. Then, we derive the four ideal reflectance functions that function as the CMY-equivalent printing basis for tetrachromacy, and develop a method for multi-pass inkjet printing for a chosen set of fountain pen inks. Lastly, we show how we generalize existing color tests, such as the Ishihara and the hue ordering tests, and prototyped variants towards identifying and characterizing tetrachromacy in the wild.

Bio
Jessica Lee is pursuing her PhD at UC Berkeley in Computer Science, where she is advised by Ren Ng. She is broadly interested in visual computing, and has been investigating methods to generalize color reproduction to all color experiences. She was awarded the National Science Foundation Graduate Research Fellowship, and her work has received a paper award at SIGGRAPH 2024.

NVIDIA's GPU Technology Conference is March 20-23 and will be held virtually. Register for free here:
01/25/2023

NVIDIA's GPU Technology Conference is March 20-23 and will be held virtually. Register for free here:

Register FREE. Streamed online.

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