Monthly Archive for March, 2010

Do Human Eyes Have “Film Grain”?

FIlm Grainy Eyeball
You’ve probably noticed from looking at photos or movies that no photograph is absolutely, 100% pristine. Each one has a speckly, spotty texture — usually barely perceptible if the photographer’s done their job right — which is formed as a technical artifact of the film or image sensor.

For pictures or movies taken on film, it’s called film grain, and it’s determined by the physical structure of the photographic film. On a digital photo, it’s image noise, which is an often random pattern created by the circuitry of the camera’s sensor.

Grain usually has to be very, very extreme for our brains to immediately perceive it; at normal levels, we often don’t even notice it unless we’re looking closely. But our brains are generally quite skilled at perceiving small visual patterns — the pages of a closed book, the bumps of paint on a wall, etc. — so does the average case of grain or noise fail to register? Perhaps it’s because we’ve learned to ignore the noisy, grainy pattern that we’re constantly seeing all the time.

Yes, our eyes have a film grain of their own.

So is this grain caused by a physical texture in our eyes, like film grain, or by something in our circuitry, like image noise? A little of both, in fact.
Continue reading ‘Do Human Eyes Have “Film Grain”?’

    How One Simple Cut Could Have Made Avatar’s Story Excellent and Let It Win Best Picture

    WARNING: The following post discusses key story points in Avatar. They are not “spoilers” per se, because everyone has already seen this movie (if not literally, then figuratively).

    Avatar’s story is the one thing that has elicited a near-universal “meh” from the entire world. We’ve all heard it before: hero infiltrates enemy, learns the enemy is his friend and his friends are the enemy, helps former enemy fight former friend, and said fight is a standard progression of hero almost succeeds, then he fails, but then he miraculously succeeds. Archetypes like this aren’t a bad thing; after all, we humans have been telling this same basic story for thousands of years, keeping it fresh with minor variations (i.e. Avatar’s transhuman motifs), and it’s always interesting if not particularly groundbreaking. But with all the love and attention Avatar’s visuals got over the alleged 14 years James Cameron worked on them, the script is admittedly less polished. That’s probably one of the big reasons why Avatar didn’t win Best Picture at the Academy Awards.

    There are many little things which Cameron could have done to twist the Hero’s Journey archetype — perhaps Jake Sully should have betrayed the Na’vi willingly before feeling remorse later on, for example — or simply cleaning up some of the dialogue and filling some plot holes would have sufficed. But perhaps the best thing Cameron could have done to Avatar is to make one simple removal, changing nothing else. This one removal would make Avatar’s criticisms of the War on Terror, racism, technology, and destruction of the environment immensely more powerful.

    Following the scene after Hometree’s destruction, when we see slow-motion shots of Jake and Grace being wrestled out of the avatar links, Grace shouting “you murderer!” at Parker, fade to black. Roll credits.

    Okay, that may be a “simple” cut, but it’s pretty major. Still, it would have made Avatar a much better film. Hit the jump for why:
    Continue reading ‘How One Simple Cut Could Have Made Avatar’s Story Excellent and Let It Win Best Picture’

      Subtitling on YouTube — Now Deaf People Can Giggle At My Videos Too

      YouTube still doesn’t have nearly the audiovisual quality and presentation of Vimeo, but I gotta hand it to them for providing some fairly awesome features.

      I know they’ve had closed-captioning and subtitling features for a while, but I never bothered to try it out until now. I suppose if I don’t do the subtitling now, it’ll soon be done for me by Google’s speech recognition robots, and done very badly.

      So here’s “Let’s Meet the Lerners” with full closed-captioning. Click the arrow in the control-bar-thingy, then the “CC” button to turn it on. And if anyone reading this is fluent in another language and wants to translate it, download this .srt file, open it in Notepad on Windows or TextEdit on Mac OS X (if you’re savvy enough to use Linux, I probably don’t need to tell you what your text editor is called), and rewrite all of the texty things while leaving the numbers intact. Then send it to me, of course.

        According to Netflix, Paul Blart: Mall Cop is a “Suspenseful Movie”

        Image of "Paul Blart" listed under "Suspenseful Movies"

        That is all.