Resources Contact Us Home
Pyramid processor integrated circuit

Image Number 6 for United States Patent #5359674.

Multiresolution (pyramid) filtering is useful in image processing. An IC for implementing a variety of multiresolution filters includes a programmable, symmetric, and separable two-dimensional filter. The input signal to the filter can be an input signal applied to the IC or a combination of two such signals. Circuitry in the IC may be programmed to imply pixel values around the edges of the two-dimensional image signals processed by the filter. The filter provides an output signal as well as each of the unfiltered signals from a tapped delay line of a filter that combines successive lines of the image. The IC also includes an arithmetic and logic unit in which the filtered output signal may be combined with an unfiltered input signal or one of the unfiltered tap signals. If the filter is programmed to produce a Gaussian low-pass filtered image, this image, combined with image data from a center one of the filter taps produces a Laplacian function of the original image.

  Recently Added Patents
Self-assembled, micropatterned, and radio frequency (RF) shielded biocontainers and their uses for remote spatially controlled chemical delivery
Systems, devices, methods, and compositions including fluidized x-ray shielding compositions
System and method for providing location and access network information support in a network environment
Method for transferring inventory between virtual universes
Glycosyltransferase promoter
Adaptive control for uncertain nonlinear multi-input multi-output systems
Methods and compositions for improved F-18 labeling of proteins, peptides and other molecules
  Randomly Featured Patents
Apparatus for lowering people from buildings and the like
Combined bookmark and felt-tipped marker
Bicycle auxiliary power unit
Medical electrode system having a sleeve body and control element therefor for selectively positioning an exposed conductor area
Drop-out correcting luminance-chrominance signal separation circuit
Self-aligning paintball gun barrel assembly with optional bore size adapter
Nonaqueous electrolyte secondary battery
Method for continuously producing oxidized cyclic phenol sulfides
Liquid cleaning composition comprising an anionic/betaine surfactant mixture having low viscosity
Apparatus for magnetically conditioning a liquid