Resources Contact Us Home
Method of compressing a dynamic range for a radiation image

Image Number 19 for United States Patent #5471987.

A dynamic range compression method for a radiation image for obtaining processed image signal carrying an image having a dynamic range that is narrower than that of the original image, by processing original image signal representing an original image based on radiation image information transmitted through an object. The method is for obtaining unsharp mask signal by averaging the original image signal in a predetermined mask area containing each pixel point corresponding to each pixel point and for correcting original image signal by providing a correction value that is a function of the unsharp mask signal to obtain a processed image signal. Weighting is applied corresponding to an absolute value of a signal different between a central pixel and a peripheral pixel both within a mask area in the averaging process for obtaining the unsharp mask signal.

  Recently Added Patents
Reference circuit with curvature correction using additional complementary to temperature component
Battery-operated massager and soap dispensing wand
LED lighting module
Method for installing industrial components in an environment
Millimeter wave imaging method and system to detect concealed objects
Laser processing method and apparatus
Push to release cover for a portable electronic device
  Randomly Featured Patents
Dual-bar lug nut removing system
Air-atomizing fuel nozzle
Removal of arsenic, vanadium, and/or nickel compounds from petroliferous liquids
Cosmetic or dermatological stick
Compartmented storage container
Open chamber photoluminescent lamp
Receptacle connector
Private VoIP network for security system monitoring
Control for exit device
Semiconductor integrated circuit device and method of manufacturing the same