Archive for the 'Ooh! Aaah!' Category

Idea: plenoptic assist for traditional DSLRs

Sunday, October 23rd, 2011

This is cool: a company called Lytro is taking orders for its plenoptic (or ‘light field’) consumer photo camera, which it expects to ship in 2012.

A plenoptic camera swaps spatial (2D) information for distance information. See it as a grid of thousands of miniscule-resolution cameras all pointing straight ahead, with software combining the miniature photos back into a single exposure. (You used to have something similar in analog called a Lomo camera, but since that lacked the sophisticated software required to make something of the extra information it recorded, it was basically something only used for the cool effects.)

The extra information can be used to focus on a specific plane or object, to remove objects or visual artefacts, to create stereo images and many, many things more.

As they say, a grainy, shaky Youtube video with an idiot acting the straight man can say more than a thousand words:

(See also this for a demonstration of more applications.)

But because you’re swapping different types of information, you also lose a lot of information. I read somewhere for instance that the Lytro uses a 20 megapixel light sensitive chip to get to a 1 megapixel image. The result is that this type of camera will be mostly useful for photography where you cannot or will not control the setting. The Lytro will be used for snap shots, where otherwise you would use a regular (read: slow) pocket camera and miss the funny face your toddler pulls. Other uses of similar cameras would be surveillance (where beforehand you don’t know which details are important), or medical imaging where you want to separate planes of say tissues or cells.

All other types of photography have great use for the extra information plenoptic photography has to offer, but cannot afford to give up all that spatial information (i.e. resolution).

So I was thinking: what if you put both a regular sensor and a micro lens array with a dedicated sensor in the same camera? Now, you would not want them to occupy the same space, but as it happens the ‘camera’ (Latin for room) has plenty of space, and many professional cameras use a mirror to reflect the incoming light to a viewfinder. If you’re building a mirror camera using an electronic finder, you could put the micro lens array in front of the viewfinder’s light sensitive chip.

This method does of course also have its draw backs in the form of trade-offs. You could not use this for video for instance, or anything else involving most forms of motion. What my idea solves is mostly an engineering problem. It transforms a problem of unknown variables to one of mostly known variables, which means throwing a lot less cash at the designing the camera and allowing a manufacturer to be early to market.

In which Rice Rocket takes a Slay ride

Thursday, September 8th, 2011

My friend and co-blogger (over at 24 Oranges) Natasha has taken up roller derby, an all-women’s full contact roller skating sport. I have come along to a couple of games, and I am here to tell you that roller derby rocks.

The basic game is simple. Two teams of five women skate around a smallish oval. One woman on each team is the designated scorer, the so-called ‘jammer’; the other four are blockers. (The blockers of both teams combined are called the pack.) The designated scorer must overtake the pack to score points. The blockers of the opposing team must prevent this. (The pack must stay together.)

To make things easier for everybody involved, the jammer wears a big star on her helmet. In the video below you see a blocker called Beyonslay successfully stop a jammer called Rice Rocket

Ah, yes, that is another aspect of roller derby, it is also about show. The contestants wear kinky outfits (not always noticeable among the safety gear), wear fightin’ make-up, and have cool names (which are officially registered to avoid duplicates). I definitely encourage you to check out a scrimmage (unofficial match) or a bout (official match) if you have the opportunity.

The following video I shot myself during a bout between the Essen Devil Dolls (red) and the Amsterdam Derby Dames (black). In the first ‘jam’ you see Amsterdam jammer Monstah Megs start alone, because the opponents’ jammer is on the bench for a foul.

Take On Me a-capella version by UMD Generics

Monday, June 27th, 2011

A couple of years ago I posted a few seconds of an a-capella version of Aha’s eighties monster hit Take on Me AS SUNG BY PICKLES, and … you know? Youtube just keeps on giving.

Turns out this version was not made by pickles in jars, but by a group called UMD Generics, and their website lets you download all their albums.

Painted statues make me happy

Sunday, August 29th, 2010

This story about painted statues makes me happy for some undefinable* reason:

Call them gaudy, call them kitsch, but archaeologist Vinzenz Brinkmann insists his eye-popping reproductions of ancient Greek sculptures are right on target.

Do check it, if only for the pictures (there is a gallery).

*) Not really, I am just too lazy for introspection. A lazy guess though: any confirmation that the other, whether separated from us in time, space or skin colour, is basically the same as us, a grand human being… well, that is just a nice confirmation.**

These painted statues have that effect because despite themselves the garish colours do sort of bring the statues alive and pull them into the future. I could have a beer with these ancient Greeks, if they weren’t so damn ancient and hadn’t been so dead for so long.

**) That sounds too sappy, does it not? Well as I said it was just a guess.

Source quote: Smithonian Magazine. Link: Eamelje.net.

Iceland’s revenge

Tuesday, April 20th, 2010

It appears Iceland have gone full circle now that the ash cloud has penetrated the banking system. That is to say I have already heard reports about how people claim not to be able to pay their bills because of Eyjafjallajökull.

From what I understand in days of yore North Americans would blame El Niño for everything, as attested by Plume Latraverse:

You must check out Flight of the Conchords

Friday, May 1st, 2009

The Grammy and Emmy they won failed to put them on my radar, so I may be late to the game. I just discovered this New Zealand duo that writes and sings funny songs. If you don’t know them yet, I urge you to check them out. I have spent hours on Youtube Wednesday night just playing all their clips.

Think Asylum Street Spankers, but leaning more heavily on the comedy aspect and with a far greater eye for a finished product. With the ASP it appears to be more about the performers having fun. I’d be curious to know how they’d mix, though.

My favourites so far:

The Americans liked these guys so much, they gave them their own show (only HBO, though). I’ve set my internet video recorder for it. The first clip is of one such episode. It would appear that they are repurposing their songs for these shows, but so far I feel it only worked for the LotR song.

Story tropes

Sunday, July 27th, 2008

This is too important to just leave to my browser’s bookmarks. I just found this absolutely marvelous online dictionary of narrative mechanisms called Television Tropes & Idioms. Despite the name it is not just about TV, but about story telling in all mediums, including games. And every definition I’ve encountered so far is absolutely spot on. And in discussing devices and twists it makes mincemeat of the opinions of producers (”the punters only like happy endings“) and viewers (”they can’t bring back Joe, his brains are scattered over three continents and a small asteroid called Katie”) alike.

Ads from 1985 computer magazine Your 64

Sunday, May 18th, 2008

“A school for scandal?” asked the Telegraph.
“All very pukkah,” assured BBC TV News.
“Bizarre!” shrieked the Sun.

Lately, people have been mentioning St. Trinians, a comic strip about a public school for very bad girls, which made me remember Your 64. Reading this dayglo magazine for teenage boy owners of a Commodore 64 at a time when I was indeed a teenage boy (mid nineties) helped my English grades shoot through the roof. It also featured two slightly naughty ads.

The British computer mags at the time regularly ran an ad titled St. O’Trinians! for a game called The Secret of St. Brides. In it you see a teenage girl in school uniform, and you get to look up her skirt!

And a school friend and I could recite entire lines from the Albert Battersby ad!

(These were by far the raunchiest ads run in the magazine’s short life. It’s in the nature of boys to remember only these.)

I never knew until two weeks ago what St. Trinians referred to, although it was obvious that the ad for St. Brides referred to some knowledge the Brits or perhaps even all Anglos shared. Then I read the BoingBoing story about the comic and saw a BBC bit about the movies, and I knew.

And what was it the ad talked about? The internet will just not shut up, and so now I know that St. Brides was an early theater weekend mansion slash software house. As the ad says, St. Brides is where grown women go to play public school girls from the Roaring Twenties. When the owners first saw a computer, they decided that they wanted to write games too. So they got a copy of the Quill, and wrote a text adventure set at their “school.”

The ZX “Speccy” Spectrum version of the game is now available at Baf’s.

Read comics by Winston Rowntree

Wednesday, March 26th, 2008

I am bored. I must have been bored before, because I remember either putting an ad in the paper or responding to one looking for a collaborator in making comics—to help alleviate the boredom, see? I had just moved to Amsterdam, and was still living in my brother’s way-too-expensive (for my means) apartment—this is somewhere in the year 2000. This guy wanted to meet me at a bar called De Balie on the Leydse Square, which we did. And he wanted to draw in the style of Dave McKean. I think it was Dave McKean—when I looked it up it was all gloomy. Later I remembered Dave Gibson, who can also draw gloomy but not that… Sorry, boring you now? :-)

Anyway. I went home and racked my brain a lot, and came up with a bunch of scripts which in hind-sight are best described as Rhaa Lovely style. Dark, over the top absurdist, comic. Then I forgot about the whole thing. Then I stumbled upon the guy’s phone number and remembered, but could not find the scripts. Then I found the scripts but lost the phone number. And now I’ve lost both.

From what I remember: one strip had a man taking his dog out for a walk out every day, but since the man had lost the use of his legs, his butler had to wheel him around. Turns out, the man had been dead for a while. Why is he still carted around the park every day? I doesn’t say. The strip ends with the dog performing an elaborate ballet.

Another one: two teenage lovers sitting atop a hill, holding hands, enjoying each other’s company. But the hill is slippery, and one of them starts to slide downwards. The other tries to stop him/her, but instead gets caught in the increasingly steeper slide. Turns out, they were sitting atop the arcs of a giant M, and are now gliding towards the middle. Where a meat-grinding device waits for them to turn them into hamburgers. I forgot how this one ended.

What I just wanted to say: when I ran into Winston Rowntree’s excellent (excellent!) comics, they reminded me of something. And after thinking about it a little they reminded me of comics I once wanted to write, except his are in colour. Sometimes he is a bit wordy for my taste; a joke in a comic should not rely too much on words, unless your name is Greg and you’re working on Achille Talon. But I digress—what are you still doing here? Go read! And while you’re at it, read his other stuff too. I especially liked Captian Estar Goes to Heaven.

Super-sanity

Saturday, March 22nd, 2008

A hard sci-fi writer who puts an above-average amount of sci in his fi—I guess that’s what hard sci-fi means—asks his readers to help him explore the world of Multiple Personality Disorder by suggesting hard sci for him to read. One of them points him towards … Batman (“Boff!”, “Crunch!”). How about a mind, a consciousness, a personality that’s geared differently to every different situation? Would such a person be insane, or supersane? The Joker’s shrink thinks she may have stumbled upon the answer:

Batman:
Well, you’ll pardon me for saying so, but your techniques don’t seem to have had much effect on the Joker.

Dr. Adams (Joker’s therapist):
The Joker’s a special case. Some of us feel he may be beyond treatment. In fact, we’re not even sure if he can be properly defined as insane. His latest claim is that he’s possessed by Baron Ghede, the Voodoo loa. We’re beginning to think it may be a neurological disorder, similar to Tourette’s syndrome. It’s quite possible we may actually be looking at some kind of super-sanity here. A brilliant new modification of human perception. More suited to urban life at the end of the twentieth century.

Batman:
Tell that to his victims.

Dr. Adams:
Unlike you and I, the Joker seems to have no control over the sensory information he’s receiving from the outside world. He can only cope with the chaotic barrage of input by going with the flow. That’s why some days he’s a mischievous clown, others a psychopathic killer. He has no real personality. He creates himself each day. He sees himself as the Lord of Misrule, and the world as a theatre of the absurd.

Here’s what Grant Morrison [the author of this dialogue; bc] said about it:
“The idea of Joker’s “super-sanity” haunted me for years and eventually developed into my theories of multiple personality complexes as the next stage in human consciousness development.”

(John Henning quoting Adherents.com at Peter Watt’s blog.)