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This is the original photography of a graffiti that I saw on a former army exercise area nearby. In contrast to the surrealistic impression this piece of artwork made in reality, I found it looked quite ordinary on a computer screen.

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I therefore tried to change the background more to a spooky scenery.

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When I changed the colours of the fields and trees to black&white, and only left the Graffiti in full colours, it became even more special.

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The contrast effect was noted by the seventeenth century philosopher John Locke, who observed that lukewarm water can feel hot or cold, depending on whether the hand touching it was previously in hot or cold water. In the early twentieth century, Wilhelm Wundt identified contrast as a fundamental principle of perception, and since then the effect has been confirmed in many different areas. Contrast effects can shape not only visual qualities like color and brightness, but other kinds of perception, including the perception of weight. One experiment found that thinking of the name “Hitler” led to subjects rating a person as more friendly. Whether a piece of music is perceived as good or bad can depend on whether the music heard before it was unpleasant or pleasant.

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