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Noise reduction method utilizing statistical weighting, apparatus, and
program for digital image processing
A method of processing a digital image channel to remove noise, includes the steps of: identifying a pixel of interest; identifying at least two sampled local...
Calibration focus position
The present invention is for a ceramic calibration filter, in one embodiment a ceramic attenuator (410), for attenuating radiation between a light source (402)...
Method and system for generating enhanced gray levels in an
electromechanical grating display
A method for actuating an electromechanical grating device that has ribbon elements. The method includes the steps of: providing a data stream, generating a...
Tone scale processing based on image modulation activity
A method for generating an image-dependent tone scale curve includes (a) computing an image activity histogram for an input image value as a function of the...
Method for measuring magnification of an afocal optical system
A method is taught for measuring magnification of an afocal optical system. The method comprises the steps of directing a collimated light beam through the...
Detection of pitch variations in lenticular material
A method of sensing the pitch or relative location of a lenticular lens on a sheet of transparent lenticular material of the type having a repeating pattern of...
Preventing crease formation in donor web in dye transfer printer that can
cause line artifact on print
A dye transfer printer uses a dye donor web that is capable of developing a crease-causing wave-like or ripple distortion across the donor web when the donor web...
Printing apparatus with dot-gain compensation using spatial filter
An apparatus and method for applying dot-gain (110) compensation to halftone bitmap files used in printing a digital halftone image. Dot-gain is added by...
Self-illuminating imaging device
A self-illuminating solid-state color image capture device, includes: an array of light emitting elements and light sensing elements formed on a common...
Cascaded organic electroluminescent devices with improved voltage stability
A cascaded organic electroluminescent device with connecting units having improved voltage stability is disclosed. The device comprises an anode, a cathode, a...
Systems and methods for generation of ascorbic acid with reduced color
The present invention describes the synthesis of ascorbic acid with reduced color. The present invention employs palladium catalysts for the synthesis of...
Amber polyester compositions for packaging food and beverages
Disclosed are amber polyester compositions suitable for packaging food and beverages wherein the compositions significantly absorbs light of wavelengths shorter...
Medium-handling in printer for donor and receiver mediums
A printer includes a print head for printing from a donor medium to a receiver medium, a platen member for holding the donor medium in a printing relation with...
Photographic processing drum having a circular drying cylinder
A photographic processor includes a circular processing drum and a circular drying cylinder. A transfer arm is utilized to transfer processed photographic media...
Ink set for ink jet printing
A pigment-based ink set for ink jet printing is described, wherein each ink in the ink set has a normalized differential specular reflectance, N.DELTA.R.sub.S...
Disposable ink supply bag having connector-fitting
A fitting is attached to a disposable ink supply bag and has an ink egress snout for discharging an ink supply from the bag. The fitting is configured to engage...
Drop-on-demand liquid emission using asymmetrical electrostatic device
A liquid emission device includes a chamber having a nozzle orifice. Separately addressable dual electrodes are positioned on opposite sides of a central...
System and method for communication of digital images generated from
A photographic system includes a photographic film having a film ID number thereon; a receipt provided with the photographic film, the receipt being imprinted...
Camera capable of having alternatively positioned mode indicator
A camera is capable of being assembled with an alternately positioned mode indicator. The camera includes the following in order to achieve this objective. A...
Method and apparatus for enhancing the edge contrast of an interpolated
A method for enhancing a digital image channel, the method comprising the following steps: (a) providing a digital image channel having image pixels; (b)...
Double sided wire grid polarizer
A wire grid polarizer (100) for polarizing an incident light beam (130), comprising a substrate (505) having a first surface (410) and a second surface (510);...
Producing panoramic digital images by digital camera systems
A panoramic digital image is produced by providing a digital camera having a memory and which is operable in a first mode for producing individual still digital...
Active pixel sensor with programmable color balance
A semiconductor based image sensor comprising a plurality of pixels formed upon a major surface of a semiconductor substrate, a majority of the pixels having a...
Image producing process and apparatus with magnetic load roller
An image processing apparatus (10) includes: a) a rotatable, magnet-attracting imaging drum (300) arranged to mount a receiver sheet (32) and a donor sheet (36)...
Reactive anthraquinone colorant compounds and polymeric materials reacted
Disclosed are blue, diol anthraquinone blue colorant compounds having excellent thermal stability and which can be reacted into or copolymerized with polyester...
Ink jet ink composition
An ink jet ink composition of water, a dye, a humectant and a hyperbranched polymer.
Thermally developable emulsions and imaging materials containing binder
Aqueous-based thermally sensitive emulsions and imaging materials include a mixture of binders in at least one imaging layer. These binder mixtures include from...
Black-and-white aqueous photothermographic materials containing
Aqueous-based photothermographic materials comprise a hydrophilic binder, preformed silver halides, an organic silver salt other than a silver carboxylate, a...
High contrast photographic element containing a polyhydrazide nucleating
The present invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing at least one...
Sound recording film
A black and white silver halide motion picture sound recording film is disclosed comprising a transparent support bearing at least one silver halide emulsion...
Ink jet printing process
An ink jet printing process having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet...
Ink jet composition
An ink jet ink composition including water, humectant and a metallized, phthalocyanine colorant, the metallized, phthalocyanine colorant having the formula:...
Ink cartridge having shielded pocket for memory chip
An ink cartridge includes a housing with an integral pocket, an ink supply bag contained in the housing, and a memory chip supported in a wall opening of the...
Printhead assembly with shift register stages facilitating cleaning of
An inkjet printhead assembly (50) for an inkjet printer having a printhead (10) with a plurality of nozzles (24) and data path and control electronics circuitry...
Camera having rotary optical encoder
A camera, used with photographic film, has a body having an exposure support surrounding an exposure opening. The body defines an encoder light path. An encoder...
Camera assembly having a traveler and pivotable turret driven by an
A camera assembly has a support that defines an optical axis. A traveler is movable along the optical axis between first and second positions relative to the...
Automatic bright window detection
A method for automatically processing a digital image to locate one or more windows that are substantially brighter than their surroundings begins by processing...
Method and computer program for detecting rotation and magnification of
An improved method and computer program product for detecting an amount of rotation or magnification in a modified image, of the type including the steps of: a)...
Method and system for altering defects in digital image
One aspect of the invention is a method for correcting a digital image representative of a tangible image. A first corrected intensity value for a first pixel of...
Method for automatic text placement in digital images
A method for placing a human understandable item, such as a caption, text or a figurative element, in a digital image includes the steps of (a) digitally...
Method for blond-hair-pixel removal in image skin-color detection
A computer vision/image processing method of removing blond hair color pixels in digital image skin detection for a variety of imaging related applications, such...
Method of controlling the reproduction of copyrighted images
A method of controlling the reproduction of copyrighted images, includes the steps of: a) providing an image medium having a predetermined pattern of micro-dots;...
Sheet media system having radio-frequency identification transponder
A sheet media system comprising an apparatus for utilizing sheet media; and a radio-frequency identification transceiver associated with said apparatus for...
CMOS active pixel image sensor with extended dynamic range and sensitivity
A semiconductor based X-Y addressable imager having an imaging array with a plurality of the pixels within the X-Y addressable imager, a photodetector within...
Tuning a printer by printing patterns which beat against a spatial
frequency of a component within the printer
A method of tuning a printer by printing a pattern, which beats against a component within the printer includes designing a first pattern, which has a spatial...
Unipolar drive for cholesteric liquid crystal displays
A reflective memory display is disclosed which includes: a flexible polymeric substrate; a patterned first conductor disposed over the substrate; and a layer...
Light integrator for film scanning with enhanced suppression of artifacts
due to scratches and debris
A light integrator produces diffuse illumination from a beam of light wherein image artifacts due to debris within the integrator are suppressed. The light...
Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation
and derivatives thereof
Poly(3-cyclopropyl-3-hydroxypropionates) (I) which are useful for the preparation of vinylcyclopropane and cyclopropylacetylene are disclosed. Methods for the...
Process to produce an aqueous composition
A process is provided to produce an aqueous composition. The process comprises shearing a mixture to produce a mini-emulsion and polymerizing said mini-emulsion...