Interference pattern
a while back lottie blogged/asked about a video on youtube called «time displacement experimental».
the image has been split into horizontal strips. each strip is played back with a staggered delay. the number of strips, re-rendering and our visual perception ‘smoothes’ the jaggy edges.
this technique is known as ‘slit-scan’, golan levin has an excellent «informal catalogue of slit-scan video artworks and research»
«tx-dance» uses the slit-scan technique in a screendance context. the tx-transform implementation of slit-scan is explained in the tx-transform trailer.
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