but is almost completely suppressed when the object moves together with the background. This selectivity for object motion in any direction is accomplished by a rather simple mechanism with three ...

This surprisingly simple exercise measures the brain's ... whose brains are better at automatically suppressing background motion perform better on standard measures of intelligence.

There are two ways to make a background transparent in Photoshop ... You can use this tool to select the subject using a freehand drawing motion. Polygonal Lasso Tool and Magnetic Lasso Tool.

For a simple explanation, since the background is high-contrast and known to the smartphone app, you can amplify the differences between what the camera expects to see and what the camera sees ...