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Image created out of barely noticeable scanner artifacts | by unicoherent
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Image created out of barely noticeable scanner artifacts

 

This image is a photo shop alteration of my image "continuous line drawing of a computer" It uses multiple copies of the image, cropped and rotated and transformed and moved about, but no external texturing or painting was used, and no filters were employed. How do you the texture seen here from the image of the line drawing adjacent to this image in my photostream?

 

I did not draw or scan the pencil sketch yesterday, but over 10 years ago. Scanners back then were more prone to producing "remnants" or "artifacts": digital snow. Additionally, a plain white piece of paper might look plain white to us, but probably has some slight tonal variations we don't register but which a scanner does. Also, if a piece of white paper is not absolutely, completely flat against the scanner bed, if there is any space at all between the paper and the glass, that area will show up darkened in the scanner's output. Combine all this, and white backgrounds turn into riots of light grey speckles. If you have a laptop, I recommend looking at the pencil sketch image while tilting the monitor to different angles to see the grey stand out more.

 

So anyhow, all I did was use Photoshop's "Shadow/Highlight" adjustment tool and increase both the "black clip" and the "white clip" to 20.0, also slightly adjusting the shadow variables. And suddenly all the little grey specks you could hardly see formed a network of deep, dark, black crackling over the whole image, with some parts more densely affected than others.

 

Other than adjusting Shadow/Highlights, all I did was copy & paste bits of the image, sometimes rotating them, a few times stretching them with the transform tool, and then move them where I wanted them and reorder the layers as needed.

 

Now, if you've been reading this whole spiel, you read about how tilting a laptop's monitor will darken/lighten your perception of the screen and the images thereon. Thus it's hard to tell what the "average" user will see when they see an image I post on the web. This image, I feel, will be so dark for some viewers that much detail will be lost. Thus I created a lighter version that follows this one in my photostream.

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Taken on March 29, 2012