Abstract:
A digital filter is provided that may replace a center pixel with the nearest-valued opposing average. The filter may reduce the amplitude of a defective pixel couplet by at least 50%, and may structure noise into linear artifacts.
Abstract:
A method for image compression of a set of image data includes performing a quantization operation on the image data. The quantization operation may include controlling a compression factor by applying a scaled quantization level obtained by multiplying a first quantization level by a gain factor. The gain factor may be updated as a function of a bit per pixel value of a compressed image. The update operation may include an iterative procedure including at least one iteration step that provides for updating a current gain factor as a function of a previous gain used for performing a previous compression step and as a function of a ratio of the bit per pixel value of the compressed image at the previous compression step to a target bit per pixel value. The method may be used in Joint Photographic Experts Group (JPEG) image processing and digital still cameras.
Abstract:
A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes are not immersed in the water which flows between the electrodes while undergoing electrolysis.
Abstract:
A sensor module has first and second sensor arrays formed on a substrate, with the first and second sensor arrays adapted to share common readout circuitry and shared read out for a pair of sensors on a single array.
Abstract:
A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes are not immersed in the water which flows between the electrodes while undergoing electrolysis
Abstract:
A sensor module has first and second sensor arrays formed on a substrate, with the first and second sensor arrays adapted to share common readout circuitry and shared read out for a pair of sensors on a single array.
Abstract:
A rain screen system for attaching an array of panels to the outside of a building, by means of a track system. The track system includes a series of horizontal mounting tracks that extend across the entire width of the panel array. Each horizontal mounting track has an upturned building-side leg that forms both a mounting flange, through a local shim, to the building, as well as the building side of a water tight, continuous, self draining gutter system. Each track also has an upturned panel-side leg that forms both a mounting flange for the lower edge of a panel and the panel side of the gutter system. Each track also forms a water seal at the top edge of the panel. The gutter system has a weep holes on the panel side of the gutter system, adapted so that drainage is fed to the top of the lower panel.
Abstract:
A digital camera for capturing and processing images of different resolutions and a corresponding method for down-scaling a digital image are provided. The method includes forming an image of a real scene on an image sensor that is made up of a plurality of pixels arranged in a matrix. The method further includes addressing and reading pixels in the matrix to obtain analog quantities related to the pixels luminance values, converting the analog quantities from the pixels matrix into digital values, and processing the digital values to obtain a data file representing the image of the real scene. To reduce computation time and power consumption, the addressing and reading of the pixels includes selecting a group of pixels from the matrix, and storing the analog quantities related to the pixels of the selected group of pixels into an analog storing circuit. The stored analog quantities are averaged to obtain an analog quantity corresponding to an average pixel luminance value.