Image from noise

convert noise.png -virtual-pixel tile \
-emboss 100x10 -negate -blur 1x1 -sharpen 0x1 -sharpen 0x3 \
+level 20%,50% embos.jpg

convert noise.png -virtual-pixel tile \
-colorspace gray -auto-level -blur 0x30 \
-emboss 0x10 -auto-level -edge 1 \
+level 20%,50% embosblur0x10edge.jpg

convert noise.png -auto-level -morphology OpenI Disk:55 \
-colorspace gray -auto-level +level 10%,50% morph.jpg

convert noise.png -virtual-pixel tile \
-auto-level -statistic Mode 120 \
-colorspace gray -auto-level +level 10%,50% stats.jpg

# 2nd gen
convert embosblur0x10edge.jpg -virtual-pixel tile \
-statistic Mode 10 -colorspace gray -blur 0x10 \
-edge 10 -sharpen 0x10 -auto-level +level 10%,50% statsmorph.jpg