Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method of compressing a dynamic range for a radiation image










Image Number 13 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
Handling errors in a data processing system
Device for installing conducting components in structures
Portable computer display structures
Test method for inspection device, particularly for label seating inspection device
Detecting patterns of abuse in a virtual environment
Glow in the dark swim goggle frame and band
Method for designing sunlight-reflection and heat-radiation multilayer film
  Randomly Featured Patents
Device for testing electrical or electronic systems with electromagnetic pulses
Cleaning medium and dry cleaning apparatus using the same
RNAi-mediated inhibition of histamine receptor H1-related conditions
Xerographic copying apparatus having means to reduce contamination of optical components
Electrostatic discharge protection circuit
Dynamic fixation device and method of use
Semiconductor device and method for controlling operation thereof
Successive approximation register analog-digital converter and method for operating the same
Network for minimizing current imbalances in a faradaic battery
Reinforcement preform and metal matrix composites including the reinforcement preform