2020-10-26 23:25:40 +00:00
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#!/bin/bash
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2020-10-28 00:09:35 +00:00
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Symbols=16
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function HammingDistance () # $1: Prev, $2: Current
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{
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local Dist=0
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local PrevPart
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local CurrentPart
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for (( i=1; i<=$Symbols; i++ ))
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do
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PrevPart=$((16#$(echo "$1" | cut -c "$i")))
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CurrentPart=$((16#$(echo "$2" | cut -c "$i")))
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Offset=$(echo $((PrevPart-CurrentPart)) | sed 's|-||')
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((Dist+=Offset))
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done
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echo "$Dist"
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}
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HashList="./hash.list"
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PrevHash=$(printf "%0${Symbols}s" "")
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:> "$HashList"
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find "$FramesDir" -type f -printf "%f\n" | \
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while read Image
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do
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Hash=$(./dependencies/go-perceptualhash/go-perceptualhash.exe --bits 8 --digest -f "$FramesDir/$Image")
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Distance=$(HammingDistance "$PrevHash" "$Hash")
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PrevHash="$Hash"
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echo -e "$Image\t$Hash\t$Distance"
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echo -e "$Image\t$Hash\t$Distance" >> "$HashList"
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done
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