Confessions of a researchaholic

2009-08-16

Renaissance

Filed under: Imaginary — liyiwei @ 12:02 pm
Tags: ,

Renaissance is a stylish binary animation. By binary, I mean it is rendered in only two colors, black and white, not even gray scales which the movie used only rarely for special effects like transparency.

[youtube=http://www.youtube.com/watch?v=oh7s32XRScQ&hl=en&fs=1&rel=0]

I watched this movie because it was mentioned in a research paper titled Artistic Thresholding, and I am curious about the artistic and technical effects. In particular, even though binary rendering has been performed on static images (e.g. posters), these are usually abstract renditions. Thus, it was not clear to me how the effect would carry over for 3D animations, for which frame-to-frame coherence is required in addition to single frame stylization.

Overall, the binary rendering of the movie looks very good, in terms of both intra frame stylization and inter frame coherence. The binary rendering, combined with the nature of the story line, pushes the film noir genre to the extreme.

In the bonus materials, the creators explained that the movie was authored as a combination of motion capture and 3D polygonal rendering. This is quite comprehensible. Unfortunately, no explanation was given to the binary shading part. From what I could see, no published research algorithms have achieved binary animation anywhere near what is shown this movie. The usual suspect is heavy manual work, but even with that I still cannot figure out how things were really done.

Looks like this is still a open research problem, and probably a darn hard one.

2009-08-11

Dolls

Filed under: Imaginary — liyiwei @ 3:04 pm
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Being a romance/drama, Dolls is not my kind of movie, but I watched it nonetheless for the sake of family duty. It is a very interesting movie. At the time of viewing it is a bit slow and bland, but strangely the message gradually sinks in afterward. I guess it is like drinking some sort of wine that tastes gentle but with strong after effects.

This is all I am going to say about this movie, to avoid spoiler as well as the fact that I believe this movie is better to be felt than described.

[youtube=http://www.youtube.com/watch?v=W-7eNtLia6o&hl=en&fs=1&rel=0]

2009-07-10

DEADLINE post-it stop motion

Filed under: Imaginary,Real — liyiwei @ 2:25 pm
Tags: , ,

Idea is more important than graphics in producing a good video.

[youtube=http://www.youtube.com/watch?v=BpWM0FNPZSs&hl=en&fs=1&]

2009-07-06

Twitter story relay

Filed under: Imaginary,Real — liyiwei @ 9:40 am
Tags:

During my sleep last night, I realized that twitter can be used to play the game of story relay.

It is very simple to play the game. For example, say I start a story via the following tweet:

Li-Yi Wei
liyiwei My name is John Smith. I am an ordinary guy living an ordinary life. #relaystory

Noticed the keyword part #relaystory. We need this to be able to find all the relevant tweets via twitter search. You could use any other keywords, as long as (1) it has not been used before on twitter and (2) it is unique for a given story.

Now, say another user wants to relay the story:

Billy Chen
gfxblit @liyiwei However, today turned out to be an extraordinary day for me. #relaygame

Notice that in addition to the #relaystory keyword, we also need to know which tweet your part of the story is relayed from. This is achieved via the @liyiwei part (i.e. the usual twitter reply). I know this identifies only the username, not a particular tweet, but I believe the username plus the time stamp ought to be enough to put back the story.

So now, if you want to see the whole story, you could do a twitter search with the keyword #relaystory, or simply go here.

Well, I guess that is enough information for the purpose of play. If you would like to know more detailed information, see below.

Why this?
I am a researcher, so I admit that I did this as a sort of scientific experiment. Story relay game has a long history, but twitter offers several unique properties in terms of game play: (1) large enough user base to make the relay pragmatic, (2) short message size to avoid (or at least reduce incentive for) a few users to dominate the story telling, (3) the simple and open API of twitter to facilitate experimentation.

All these web2.0 and social networks provide huge potential opportunities for crowd sourcing, but I am curious on the potential of uncoordinated crowd behavior to come up with a coherent contribution. Wikipedia is one successful example, but for me it is too serious and not chaotic/creative enough. Twitter fits the fun/chaos/creativity part well, but most tweets are individual uncoordinated contributions, and I wonder if it is possible at all to come up with a coordinated effort.

There is a high chance that nobody will play this game at all, but on the other hand I have very little to lose anyway.

Structure and content quality
If the game ever gets played and it gets sufficiently large, the story might exhibit interesting structure. It might not be linear at all, as multiple authors could concurrently relay different stories from the same tweet. This provides several interesting opportunities. For one, the story would provide branch points where the reader could choose which path to take. For another, the authors essentially vote on the quality of previous tweets by deciding whether or not to follow it. This serves as a self-organizing behavior to keep the story interesting.

Obviously a proper web-based reader would be required to help read the story if the structure gets sufficiently complex; the coding should not be too difficult but I plan to do it only when the need arises.

Advertisement
As a corollary regarding content quality, spammers might eventually show up, but their tweets will unlikely to be followed, unless they turn out to be sufficiently interesting. This provides an interesting way to think about advertisements: how to insert your ad into a story so that people would consider it worth relaying?

2009-07-03

Antaran finished off my last opponent

Filed under: Imaginary,Real — liyiwei @ 3:58 pm
Tags:

Master of Orion 2 is my all time most favorite game, and I found myself still playing it, even though the game was kind of old – released on 1996.

The game never stops short of entertaining me. And just a few days ago when I played it again, the game ended in a very funny situation. I was playing the impossible level in a small galaxy with maximum possible number (8) of players (my most favorite configuration as it maximizes competition). I have eliminated all but the last opponent and trapped it in a small planet with all weapons knocked out. I did not want to take the last planet that soon, as I would like to conquer the Antaran home planet as my favorite way to end the game.

Then, an Antaran raider fleet showed up on the screen, heading towards the star system that contains the planet for the last opponent. I was thinking the fleet must be targeting another planet that belongs to my player, as it was newly conquered and more or less defenseless. Unfortunately, the fleet is actually heading for the last colony of my last opponent, wiped it out clean and easy (the planet is totally defenseless thanks to my effort a few turns ago), and thus ended the game automatically.

I tried to reload and replay the game several times to no avail. I would hope there would be an option for me to engage in combat with the Antaran fleet first, but the option did not show up. Thus I lost the chance to clean out the Antaran home world.

I have put up the game file here if you would like to repeat the experiment. The game is for Master of Orion II, version 1.2.

2009-05-11

A Scanner Darkly

Filed under: Imaginary,Real — liyiwei @ 1:26 pm
Tags: ,

A Scanner Darkly is a movie that I have wanted to see for a long time but somehow did not manage to do so until recently. And it turned out to be so good that I regret haven’t watched it earlier.

The movie depicts the world and life seen from the view points of a group of drug addicts. To convey the distorted views from these druggies with impaired perceptions and brain functions, the movie deployed not only the traditional story line and dialogues, but also a cartoonish, non-photorealistic rendering achieved by rotoscoping.
The combined effect is so realistically surreal (oxymoron?) and disoriented that for the first time I kind of be able to feel what it is like to be a druggie. Rotoscoping not only preserves the original acting, but also facilitates hallucinatory or science-fiction effects such as bugs crawling all over one’s body and the “scramble suit” that disguises an undercover’s identity by constant shifting through the difference appearances of millions of people.

And yes, like all good movies, this one has a great story as well.

I believe this is one of these movies that are so unique that it is going to hang in my head for a long time.

[youtube=http://www.youtube.com/watch?v=TXpGaOqb2Z8&hl=en&fs=1]

2009-05-09

Vilhelm Hammershoi

Filed under: Imaginary — liyiwei @ 10:55 am
Tags:

I find a strange sense of peace and serenity in his paintings. See a related article in Economist.


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