Confessions of a researchaholic

April 1, 2024

Street pianist

Filed under: Imaginary,Real — liyiwei @ 7:47 pm
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This is an attempt to depict the visuals appearing in my mind while listening to this podcast about a guy who played the particular piano piece “Merry Christmas Mr. Lawrence” by Ryuichi Sakamoto outdoors to express his personal and shared public sorrows.

Roughly speaking, the visuals are inspired by the scenes in the 2002 film “the pianist” but with the guy playing the piano on the street within a ruined city.
(It seems less dramatic in reality.)

I could draw the scenes out of my head but it might take too much time (which I don’t have right now), so I decided to give generative AI (in particular, Adobe Firefly) a try.

https://www.behance.net/gallery/195294181/StreetPianist

March 27, 2024

Hands on – quick short abstract

Filed under: Real — liyiwei @ 5:44 pm
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An intern collaborator thanked me for a quick editing of the abstract of an upcoming paper submission, which reminded me of the the following story reflecting how our PhD advisers (or senior collaborators) could influence our work styles:

A few days before the SIGGRAPH 2002 paper deadline, while trying to submit the abstract from a paper draft, I received an error message saying that it was over the length limit (maximum 600 words, if I remember correctly). I could do a quick trim of the abstract but worried that I might not be able to preserve the content in such a short form, and thus sent a message to the paper advisory board asking whether I can have a longer abstract in the paper file.

Several minutes later, my PhD adviser emailed me a shortened version of the abstract, with perfect content and length.
I thanked him for his (astonishing) quality and speed, and wondered if he could read my mind (or, more likely, network traffic). He said that he happened to be on the advisory board and thus saw my message.

A few hours later, I received a reply from the paper chair clarifying that the abstract for the submission form was mainly for the paper sorting process and can differ from the abstract in the submitted paper file.

March 17, 2024

Loving Vincent

Filed under: Real — liyiwei @ 4:32 pm
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I absolutely love the hand-painted oil effects of this film which I watched on hoopladigital.
The backgrounds are mostly flat and static and thus can be painted more sparsely while the foreground characters and objects are rotoscoped over (green-screen) captured live actions.
The actors were chosen to resemble the subjects in the original paintings which were used as style references for the painting process.



March 11, 2024

Buddha’s hand citron

Filed under: Real — liyiwei @ 4:14 pm
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I received one buddha’s hand citron in this week’s food delivery, and did a quick sketch of it before zesting its unique aroma into tea, salad, and yogurt.


https://www.behance.net/gallery/193668455/BuddhaHand

March 3, 2024

Day jobs

Filed under: Real — liyiwei @ 6:35 pm
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I visited the opening exhibition of day jobs in Cantor today and found it fascinating.
The descriptions, as quote from the exhibition website, can be applied to other creative fields such as scientific research and product development as well:

This exhibition examines the overlooked impact of day jobs on the visual arts. Success for artists is often measured by their ability to quit a day job and focus full time on their practice. Yet, these jobs can often spur creative growth by providing artists with new materials and methods, hands-on knowledge of a specific industry that becomes an area of artistic investigation, or a predictable paycheck and structure that enable unpredictable ideas.

By examining the impact of day jobs on artists, the exhibition seeks to demystify artistic production and overturn the romanticized concept of the artist sequestered in their studio, waiting for inspiration to strike. Conceived as a corrective to traditional art historical narratives, Day Jobs encourages us to more openly acknowledge the precarious and generative ways that economic and creative pursuits are intertwined.



March 2, 2024

Fun versus job

Filed under: Real — liyiwei @ 6:30 pm
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Academic research can be a day job for some people, including reading, writing, and reviewing papers, coding prototypes, conducting experiments, advising students, and interacting with collaborators.
But it is a leisure activity for me, more intellectually satisfying than managing and communicating about products which is my current day job, which, in turn, I wonder might be a fun activity for others.

February 26, 2024

Cherry picking batch-generated results

Filed under: Real — liyiwei @ 6:30 pm
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An interactive UI that lets users manually input data and parameters to produce results is more suitable for iterative exploration (if you can wait for a few minutes) than mass production (which take take hours if not days), so I built a scripting environment from the same codebase.
I set up an experiment to run over 20+ inputs with a few values at each of the 3 parameter dimensions, and ended up with more than 4000 results which (dawned on me afterwards) are too many to examine one by one.
So I followed the path of iterating exploration as with the UI but with the already batched results without knowing for sure if I have missed any good ones.

Maybe we also need (semi)automatic tools to help us with cherry picking.

February 25, 2024

Voronoi cookies

Filed under: Real — liyiwei @ 5:50 pm
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I placed the cookie batter drops too close to one another and they expanded into Voronoi regions during baking: photo, and the “corrected” version by ComfyUI image-to-image with (de)noise value 0.5 and v1-5-pruned-dmaonly checkpoint.

https://www.behance.net/gallery/192421251/VoronoiCookies

Missed opportunity

Filed under: Real — liyiwei @ 3:45 pm
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When I boarded Caltrain 313 at San Jose on Thursday February 22, 2024, I saw a guy deep in sleep with his head resting on the window. The face constituted an excellent drawing subject but I decided to finish my dinner first. Then the train conductor came to check tickets, and the guy had none and was asked to leave the train at the next stop.

Afterwards I did a quick sketch from visual impression and produced a variation via image-2-image diffusion. Neither could catch the original face which I could better capture on spot.

https://www.behance.net/gallery/186107513/PortraitsMotoGStylus/modules/1088458927

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