abstract art and systems thinking

More on optical mixing

with 2 comments

Not everyone sees the blue and green (see earlier blog)

…because they are subjective. Physically, there is no blue or green in this image. They are optically mixed.

I have already found that some people need to be coached to see them. It is a commonplace to say that we all see things in different ways – usually meaning we interpret data differently. It’s not always clear that we actually see things differently. If we distinguish between these three levels:

  • description
  • interpretation
  • judgement

We often disagree about judgements. We disagree about interpretations. I would argue that we often think that we agree about descriptions – until we test what’s shared, only to discover that we disagree there as well.

Written by Andy Parkinson

June 24, 2011 at 9:51 pm

2 Responses

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  1. There is no physical blue or green in this image? What colors are those then I am seeing?:)
    Thank you for liking my blog post also, I see you have many interesting and beautiful images here, very abstract yet simple stuff, captivating:)


    June 25, 2011 at 9:52 pm

    • Thank you for your interest in the images
      the blue and the green really are there aren’t they? they are real as anything. and entirely optical. You make them look that way with your eye/brain (as far as i know it has nothing to do with the photo, though I am willing to be wrong about that). The blue is physically white, the colour of the primed canvas, and the green is physically yellow. When you look at the painting in the flesh, in natural light, you can see that it is white and yellow and you can also see the blue and the green, it shifts from one to the other. But in the photo I cannot see the blue as white nor the green as yellow. I think it is becuase of the reduced size of the image but i am not sure. I wish i had paid more attention to the physics when i studied photography at college!

      Andy Parkinson

      June 25, 2011 at 10:05 pm

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