.TH BLIND-SPATIAL-ARITHM 1 blind .SH NAME blind-spatial-arithm - Perform simple arithmetic over all pixels for each frame in a video .SH SYNOPSIS .B blind-spatial-arithm .I operation .SH DESCRIPTION .B blind-spatial-arithm reads a video from stdin and applies an arithmetic operation over all pixels, for each frame in the video, and prints the resulting video, with one pixel in each frame, to stdout. .SH OPERATIONS .TP .B add Calculate the sum of the operands. .TP .B mul Calculate the product of the operands. .TP .B min Select the lowest operand. .TP .B max Select the highest operand. .SH SEE ALSO .BR blind (7), .BR blind-temporal-arithm (1), .BR blind-arithm (1), .BR blind-spatial-mean (1), .BR blind-temporal-mean (1), .BR blind-mean (1), .BR blind-rewrite-head (1) .SH AUTHORS Mattias Andrée .RI < maandree@kth.se >