pamditherbw
Apply dithering to a greyscale image, i.e. turn it into a pattern of black and white pixels that look the same as the original greyscale. More information: <https://netpbm.sourceforge.net/doc/pamditherbw.html>.
RUN apt-get update && \
apt-get install -y netpbm
RUN apt-get update && \
apt-get install -y netpbm
RUN pacman -S --noconfirm netpbm
RUN apt-get update && \
apt-get install -y netpbm
RUN yum install -y netpbm-progs
RUN dnf install -y netpbm-progs
RUN apt-get update && \
apt-get install -y netpbm