Clock Tower from Su Song's Book desmear

Autor:

Su Song

Credit:

File:Clock_Tower_from_Su_Song's_Book.JPG

Krótki link:

https://plwiki.pl/b/97093

źródło:

Wikimedia Commons

Wymiary:

908 x 1366 Pixel (676373 Bytes)

Opis:

File:Clock_Tower_from_Su_Song's_Book.JPG with smear removed by mixing channels:

• Red: 0.2 green + blue
• Green: 0.4 green + 0.65 blue
• Blue: blue

as red is badly smeared, green is slightly smeared but has least noise, and blue is not smeared but has most noise.

Licencja:

Public domain