1 files changed, 81 insertions, 0 deletions
diff --git a/param_seeker.sh b/param_seeker.sh
new file mode 100755
index 0000000..eabefa5
--- /dev/null
+++ b/param_seeker.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+
+set -e
+
+# get frames path from cli args
+framespath=${1:-}
+[ -z "$framespath" ] && echo "no framespath provided" && exit 1
+
+# draw random pic
+mkdir -p test
+imageName=$(find "$framespath" -type f | sort -R | tail -1)
+shavedName="test/"$(basename "$imageName")
+
+echo "working with $imageName"
+
+# detect image border:
+increment=5
+x=150
+limitX=400
+y=50
+colorFuzz=.04
+borderColor="#f7d9ac"
+
+while true
+do
+    pixelColor=$(magick convert "$imageName" -crop 1x1+$x+$y -depth 8 txt:- | awk ' NR==2 {print $3}')
+    colorDiff=$(magick compare -metric RMSE xc:"$borderColor" xc:"$pixelColor" null: 2>&1 | sed "s/.*(\(.*\))/\1/")
+    # break condition success
+    echo "fuzz: $colorFuzz; diff: $colorDiff; point: $x:$y"
+    [ 1 -eq "$(echo "$colorFuzz > $colorDiff" | bc)" ] && echo "found border: $x:$y" \
+        && magick convert "$imageName" -colorspace Gray -shave "${x}x0" "$shavedName" \
+        && break
+    # break condition fail
+    [ "$x" -gt "$limitX" ] && echo "failed to find border" && break
+    # update point
+    x=$((x+increment))
+done
+
+# generate bunch of cut and gray images
+# two param types: scale and bottom crop
+scaleX=400
+scaleInc=20
+bottomCrop=10
+bottomInc=10
+
+# both limits are reached in 20 runs
+loopRunLimit=20
+loop=0
+
+# first change only scale
+# then only bottomCrop
+# then both
+while true
+do
+    # break condition
+    [ "$loop" -gt "$loopRunLimit" ] && break
+    resizeName="test/${shavedName}_${scaleX}_0.png"
+    chopName="test/${shavedName}_0_${bottomCrop}.png"
+    resizeChopName="test/${shavedName}_${scaleX}_${bottomCrop}.png"
+    magick convert "$shavedName" -adaptive-resize ${scaleX}x "$resizeName"
+    magick convert "$shavedName" -gravity South -chop 0x${bottomCrop} "$chopName"
+    magick convert "$shavedName" -gravity South -chop 0x${bottomCrop} -adaptive-resize ${scaleX}x "$resizeChopName"
+    scaleX=$((scaleX+scaleInc))
+    bottomCrop=$((bottomCrop+bottomInc))
+    loop=$((loop+1))
+done
+
+
+# convert every new image to text
+mkdir -p test_text
+for img in test/*
+do
+    outName=$(basename "$img")
+    tesseract -l deu "$img" "test_text/$outName"
+done
+
+# quality check text files
+for t in test_text/*
+do
+    ./quality_check.py "$t" >> quality_out
+done