Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The grid rectangles represent examples of the learned dynamic filters with different weights and receptive fields, the red squares represent the input pixel, and green squares represent the pixels used to calculate the pixel visual feature (PVF). (a) r = 1. (b) r = 2. (c) r = 3. (d) r = 4.
