I am confused about this myself. On the surface it seems to just be NTSC-izing (adding artifacts to) an existing image in PPM format. Cool I guess. usage

I am confused about this myself. On the surface it seems to just be NTSC-izing (adding artifacts to) an existing image in PPM format. Cool I guess. usage: ./a.out -m|o|f|p|h outwidth outheight noise infile outfile sample usage: ./a.out -op 640 480 24 in.ppm out.ppm sample usage: ./a.out - 832 624 0 in.ppm out.ppm -- NOTE: the - after the program name is required ------------------------------------------------------------ m : monochrome o : do not prompt when overwriting files f : odd field (only meaningful in progressive mode) p : progressive scan (rather than interlaced) h : print help