https://github.com/LMP88959/NTSC-CRT

(Or at least, I assume that's basically the NTSC counterpart of what you did?)

I've already opened an issue in that project to suggest a link in their README to your project as well.

Thanks for considering!

each times i run process.py :::
Traceback (most recent call last):
File "process.py", line 372, in
process_file(inputfiles[0])
File "process.py", line 353, in process_file
s.run()
File "process.py", line 320, in run
secam,sel = self.modulate(rgb_samples[:count], line[:count])
File "process.py", line 271, in modulate
self.probe_sink.work(probnik)
File "/home/pi/CRT/SECAM/imagesink.py", line 27, in work
self.savePng(frame)
File "/home/pi/CRT/SECAM/imagesink.py", line 49, in savePng
writer.write(f, rows)
File "/usr/local/lib/python3.5/dist-packages/png.py", line 670, in write
nrows = self.write_passes(outfile, check_rows(rows))
File "/usr/local/lib/python3.5/dist-packages/png.py", line 704, in write_passes
return self.write_packed(outfile, rows)
File "/usr/local/lib/python3.5/dist-packages/png.py", line 736, in write_packed
for i, row in enumerate(rows):
File "/usr/local/lib/python3.5/dist-packages/png.py", line 662, in check_rows
(vpr, len(row), i))
png.ProtocolError: ProtocolError: Expected 768 values but got 2304 value, in row 0
/usr/local/lib/python3.5/dist-packages/matplotlib/backends/backend_gtk3.py:181: Warning: Source ID 8 was not found when attempting to remove it
GLib.source_remove(self._idle_draw_id)
/usr/local/lib/python3.5/dist-packages/matplotlib/backends/backend_gtk3.py:181: Warning: Source ID 9 was not found when attempting to remove it
GLib.source_remove(self._idle_draw_id)
/usr/local/lib/python3.5/dist-packages/matplotlib/backends/backend_gtk3.py:181: Warning: Source ID 10 was not found when attempting to remove it
GLib.source_remove(self._idle_draw_id)

so, i can't use this :(
please fix it