P/G film expert and amateur astronomer, M.K. Davis has a rule of thumb. In astro-photography, the rule is: "If you can improve the resolution of an image 1%, then you will likely see ten new things in the image." Over the years, Davis used off-the-shelf software packages to enhance the Patterson-Gimlin film using various imaging techniques.
Davis is credited for seeing various items in the film, including scars, bullet holes, braids and clasps in the hair, tumors, a stick in the left hand of "Patty" and other anomalies on the creature itself.
In the following video, Davis applies the "false color imaging" technique on the film, a method that's often used to push for more detail in an image.
Click here for Part 2.