benjamin grosser: interactive robotic painting machine
 
benjamin grosser: interactive robotic painting machine benjamin grosser: interactive robotic painting machine
aug 19, 2011

benjamin grosser: interactive robotic painting machine

the ‘interactive robotic painting machine’ by benjamin grosser paints in response to its audio environment

the ‘interactive robotic painting machine‘ by american artist benjamin grosser creates paintings in response to its aural environment, in a project that investigates the intersections of technology, consciousness, art, and interaction in today’s increasingly technologically mediated society.

during a performance, sound is captured via a microphone and subjected to fourier analysis to be broken down into useful data for the machine. this information is fed into a genetic algorithm that makes decisions about the painting process, altering the robot’s behaviour in realtime. the functional building blocks of the project are painting ‘gestures’, broken down into data such as the amount of pressure to be used in a brush stroke to the amount of paint to add to the brush.

three networked computers manage the painting system the first runs the central control software, written in python, that begins each painting with a randomly selected set of painting gestures and takes audio data as input over the course of the painting. a second manages the brush camera and projection, and performs the audio analysis whose data is sent as input to the first machine. the third computer manipulates the robot itself, accepting movement commands from the control system and activating stepper motors correspondingly.

the genetic decision-making algorithm behind ‘interactive robotic painting machine’ means that the painting is not a direct mapping of what it hears, and that in fact in the presence of the same sound, would likely create two similar but not identical works.

exhibition footage of the machine at work, painting using the sound of its painting process as input

exhibition view, ‘interactive robotic painting machine’ (2011) computers, robotics, camera, microphone, mixer, speakers, projector, oil paint, canvas, custom software

aerial view of the machine in use

detail of the painting process

grosser reflects:

‘does an art-making machine of my design make work for me or for itself? how does machine vision differ from human vision, and is that difference visible in its output? is my own consciousness reinforced by the system or does it become lost within? in other words, it this machine alive, with agency as yet another piece of the technium, or is it our own anthropomorphization of the system that makes us think about it in these ways?

what I’ve built to consider these questions is an interactive robotic painting machine that uses artificial intelligence to paint its own body of work and to make its own decisions. while doing so, it listens to its environment and considers what it hears as input into the painting process. in the absence of someone or something else making sound in its presence, the machine, like many artists, listens to itself. but when it does hear others, it changes what it does just as we subtly (or not so subtly) are influenced by what others tell us.‘

painting by ‘interactive robotic painting machine’ (2011) oil on canvas, 15 x 10 inches

painting by ‘interactive robotic painting machine’ (2011) oil on canvas, 15 x 10 inches

painting by ‘interactive robotic painting machine’ (2011) oil on canvas, 15 x 10 inches

painting by ‘interactive robotic painting machine’ (2011) oil on canvas, 15 x 10 inches

painting by ‘interactive robotic painting machine’ (2011) oil on canvas, 15 x 10 inches

footage of ‘head swap’ performance (2011)

in the ‘head swap’ performance, the machine collaborates with violinist benjamin sung (playing music composed by zack browning). via projection, sung watches the machine as it paints, taking what he sees as guidance for his performance, while the machine uses what it hears to determine what it paints. ‘interactive robotic painting machine’ also functions as a musical instrument itself, with its mechanical sounds feeding back into the piece.

time-lapse video of the machine at work

via tuaw

  • It’s great, but robot not like a human. Human have a feeling, and emotion. But this is very great, well I’m impressed with this work.

    Satriyo says:
  • Are you a robot?

    OmiOmiO says:
  • I’ts a plotter with a brush?

    hmm.. says:
  • Sir I am not a robot and I defy you to prove otherwise.

    Oh, and someone seriously needs to make a flash site that lets you control this via the site. Could make some cool stuff that way.

    I’m still not a robot though.

    JonBrant says:

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