Resources Contact Us Home
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
System and method for testing an integrated circuit embedded in a system on a chip
Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system
Recording medium, playback device, integrated circuit
Dynamic data filtering system and method
Systems and methods for processing telephone calls
Voltage regulator with improved voltage regulator response and reduced voltage drop
Systems and methods for dynamically modifying subcriber service profile stored in home location register while roaming in wireless telecommunication networks
  Randomly Featured Patents
Loop diagnostic mode for ADSL modems
Methods for manufacturing a tape cassette with separate tape guide having integrated rollers
Paint can accessory
Apparatus and method for locking two shafts
Optimized trench/via profile for damascene filling
Human cancer inhibitory pentapeptide heterocyclic and halophenyl amides
Phase locked loop clock divider utilizing a high speed programmable linear feedback shift register with a two stage pipeline feedback path
Bipolar transistor including divided emitter structure
Communication terminal apparatus
Continuously variable digital delay circuit