Resources Contact Us Home
Enhancing low quality images of naturally illuminated scenes

Image Number 11 for United States Patent #7103227.

A method enhances images of a naturally illuminated scene. First, a set of images I.sub.i(x, y) is acquired of a scene. Each image is acquired under a different uncontrolled illumination. For each image I.sub.i(x, y), intensity gradients .gradient.I.sub.i(x, y) are determined, and each image is weighted with weights according to the intensity gradients. The weighted images are then combined to construct an enhanced image I'.

  Recently Added Patents
Inclined chute sorter
Insect catching device with light source
Non-inertial safe and arm device
Digital watermarks
Insulated LED device
System and method for efficiently accessing internet resources
Ballpoint pen
  Randomly Featured Patents
Server-controlled testing of handheld devices
Low latency multiplexing over time division multiplexing networks
Bottle bin
Breather structure of shaft-drive-type drive device
Printer ink cartridge
Dual speed controller for attic ventilator
Wet press papermakers felt
Organic electronic packages having hermetically sealed edges and methods of manufacturing such packages
Method of manufacturing a switch panel to be disposed close to a magnetic sensor
Phase error correction in a coherent receiver