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
Auto-aligning spectroscopy system
Algorithm for color corrected analog dimming in multi-color LED system
Heterogeneous language data typing without executable regeneration
Liquid crystal display device
Image-capturing device and projection automatic calibration method of projection device
Method and apparatus for controlling power supply
Wiring structure in a semiconductor device, method of forming the wiring structure, semiconductor device including the wiring structure and method of manufacturing the semiconductor device
  Randomly Featured Patents
Chemical mechanical polishing aqueous dispersion and chemical mechanical polishing method
Dosage units
Securing structure for air valves
Data channel organization for a switched arbitrated on-chip optical network
Die down multi-media card and method of making same
Injection nozzle and method
Decorated model architecture for efficient model-driven application development
Shift register and a display device including the shift register
Optical attenuator
PMD measurements for an in-service fiber span