Pattern Constancy Demonstration

Performance Over Wide-ranging Extraneous Variables and Scene Contents

Time-Series Studies

Report                                       Team                                       Publications                                       Contact
Subtask Report

Fog Series

A 13-image series* from Langley's Aircraft Landing Dynamics Facility in clearing fog

Mars Imagery

Imagery* from Mars Odyssey THEMIS demonstrating pattern constancy under varying extraneous conditions.

Visualizing Pattern Constancy

Potential aviation hazard

*Animations show original, unenhanced images compared with edge patterns of Retinex-Visual Servo enhanced images. Intermediate enhancements are not shown.

small logo

Responsible NASA Official: Glenn Woodell

NASA Privacy Statement, Disclaimer, and Accessibility Certification

Web Cameras

Imagery* from web-based cameras from around the world demonstrating pattern constancy in varying conditions.

Paris
Paris

Pellegrino
Pellegrino

San Marino
San Marino

Vancouver
Vancouver

Correlation Coefficient Analysis

Residential
Residential