Documenting a protest
Student protestors march past a photographer doing his job.
www.mprnews.org/story/2026/01/13/students-walk-out-decry-...
Three images were registered on the stationary photographer then combined for a subtractive filter Harris shutter effect.
Details
This modified Harris Shutter Effect image generates colored "ghosts" on a black background. Things that move and other differences between three more-or-less sequential photos are emphasized while static features turn black.
Quick links to related images
Read how to construct this type of image from three sequential photos.
Other subtractive filter Harris shutter effect (HSE) images
View all subtractive filter images.
Documenting a protest
Student protestors march past a photographer doing his job.
www.mprnews.org/story/2026/01/13/students-walk-out-decry-...
Three images were registered on the stationary photographer then combined for a subtractive filter Harris shutter effect.
Details
This modified Harris Shutter Effect image generates colored "ghosts" on a black background. Things that move and other differences between three more-or-less sequential photos are emphasized while static features turn black.
Quick links to related images
Read how to construct this type of image from three sequential photos.
Other subtractive filter Harris shutter effect (HSE) images
View all subtractive filter images.