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7616314 |
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement are disclosed herein. In one embodiment, for example, a method...
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7538791 |
Color monitor white chromaticity measuring device
The white chromaticity, in which the illumination environment is considered, is measured for each individual color monitor ( 100 ). A reference body (Q), comprising a perfect diffuser, is applied...
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7525593 |
Position detection apparatus, position detection method, testing apparatus, and camera module manufacturing apparatus
There is provided a position detection apparatus for detecting position of an image pickup device that outputs an output signal corresponding to intensity of detected light, having a light source...
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7495688 |
Generating an MPEG sequence for multiple CAV measurements
A method of generating an MPEG sequence for multiple component analog video measurements modifies a general purpose encoder and provides an MPEG encoded signal to test a device under test (DUT)...
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7489337 |
Method and system for synchronizing colorimetric rendering of a juxtaposition of display surfaces
A method for making uniform the colorimetric rendering of a display surface including several adjacent display screens ( 10 a , 10 b ), comprising for each pair of adjacent screens ( 10 a, 10 b )...
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7483550 |
Method and system for evaluating moving image quality of displays
A test pattern is moved on a screen 5 subject to measurement with the field of view of an image sensor pursuing the motion of the test pattern so as to observe BEW. Subsequently, the field of...
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7474474 |
High-heat dissipation lighting lens
There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is...
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7460179 |
Adaptive image display
A display system may include an identifier configured to identify an image display condition associated with the display of an image produced by the display system, an apparatus configured to...
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7420591 |
Optical detector of projection television
An optical detector is provided. The optical detector allows an auto-convergence control to be effectively made by cutting off external light incident to an optical sensor for use in the...
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7405747 |
Extended K2T measurement of video
K2T measurement of video signals, regardless of video format, is determined by generating a graticule using an algorithm having a single variable that is a function of the video format for the...
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7394483 |
Display evaluation method and apparatus
A measurement pattern is moved on a display, and an image of the measurement pattern is captured by making a visual field of an image sensor follow the scroll of the measurement pattern. On the...
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7388623 |
Liquid crystal display device and inspection method
An OSD display unit generates test pattern data to spread image patterns stored in a storage unit as digital font data for OSD display so as to match the number of pixels of a liquid crystal panel...
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7388601 |
System and method for the automated, remote diagnostic of the operation of a digital video recording network
A method and a system for automatically performing diagnostics of various operational parameters of digital video recorders, cameras, peripheral and associated components encompassing a video...
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7379124 |
Center convergence optimization in a projection display apparatus
Progressive rounding error and convergence error encountered due to multiple use of a center correction adjustment of an image of a video projection display is reduced by calculating a 3×3 matrix...
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7369159 |
Method and apparatus for dynamically testing video equipment
A method and apparatus are presented for dynamically testing video equipment. A test pattern utilizes a presentation of alternating pixels and lines, along with features of the electronic...
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7342603 |
Image output test system and method and device thereof
The present invention is to provide an image output test system, which is built in between an image output device and an image output test device, in which the image output test device can receive...
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7333130 |
Apparatus and method of re-adjusting convergence of a projection TV
A method and an apparatus of re-adjusting convergence of a projection TV are disclosed. The apparatus includes a display device on which an image is projected and at least one light-sensing element...
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7312815 |
Method and apparatus for color calibration
The present invention provides a method and an apparatus for color calibration for calibrating an input color. A target color represented by a first coordinate pair (X 1 , Y 1 ). An input color,...
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7268913 |
Display measuring method and profile generating method
In order to stabilize a displayed color and to attenuate printing when measuring a color patch for preparing a color conversion profile, an accurate measurement is obtained by waiting for a certain...
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7268837 |
Method and system for automated convergence and focus verification of projected images
A method and system that objectively measures the convergence and focus of a 2 or 3 spatial light modulator (SLM) projection display. The system uses five (5) CCD cameras and a frame grabber to...
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7234863 |
Apparatus for measurement optical characteristic of a display panel
An ambient temperature control apparatus used for measuring ambient temperature. The apparatus has a bottom plate, a panel fitting apparatus, an external mask, and a temperature control device. The...
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7227593 |
Apparatus for preventing auto-convergence error in projection television receiver
Disclosed is a video display an auto-convergence error in a projection television receiver (TV) capable of preventing generation of an error when an auto-convergence is performed. The apparatus...
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7215362 |
Auto-calibration of multi-projector systems
The method for automatically calibrating a multi-projector system with at least two projectors, a digital camera and a control unit for controlling the projectors and the camera is performed...
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7196741 |
Automatic image convergence for projection television systems
Systems and methods that facilitate automatic convergence and geometry alignment in projection systems such as a PTV. The automatic convergence system (ACS) preferably includes a CCD camera mounted...
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7180530 |
Visual display testing, optimization and harmonization method and system
A method and system for automatically testing visual displays and automatically optimizing the voltage settings for each visual display being tested by harmonizing and tailoring the voltage...
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7170550 |
Television data management system
Information about various adjustments made to TVs during assembly is entered into a database after each adjustment, to facilitate monitoring and reporting of the assembly process, so that...
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7154493 |
Monitor interconnect compensation by signal calibration
To improve the performance of a standard monitor interconnect, e.g., a VGA monitor interconnect, a display adaptor of a computer device generates reference signal patterns which are used to...
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7133148 |
Digital camera for image device calibration
The invention is directed to an apparatus for calibrating an output of an image output device, comprising an image input device configured to image an output of the image output device; and a test...
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7133083 |
Dynamic shadow removal from front projection displays
A technique and system for detecting a radiometric variation/artifacts of a front-projected dynamic display region under observation by at least one camera. The display is comprised of one or more...
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7133066 |
Image processing
A method of aligning a first image with a second image, the method includes approximately locating the second image; scaling the first image to the approximate size of the second image; positioning...
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7119833 |
Monitoring and correction of geometric distortion in projected displays
A technique, and associated system and computer executable program code on a computer readable storage medium, for automatically correcting distortion of a front-projected display under observation...
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7106362 |
Semiconductor integrated circuit and adjustment method thereof
An electronic equipment manufacturer has been bearing the burden to adjust variations in characteristics of semiconductor integrated circuits according to a conventional art. The device and the...
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7095455 |
Method for automatically adjusting the sound and visual parameters of a home theatre system
A system is provided for setting various acoustic and visual parameters to improve the reproduction of audio signals and visual signals. The system incorporates a hand-held remote control device...
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7092008 |
Remote color characterization for delivery of high fidelity images
The present invention provides a technique for providing color corrected images to a user over a network. The user's computer and its associated devices may be remotely calibrated and or...
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7039685 |
Method and apparatus for conducting subscriber's phone testing remotely via the internet
An apparatus for and method of remotely controlling electronic devices, such as telecommunication equipment attached to telephone lines, test equipment, and/or home electronics includes a master...
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7038727 |
Method to smooth photometric variations across multi-projector displays
A method is provided to smooth photometric variations across multi-projector displays. Photometric calibration is performed to generate a luminance attenuation map (LAM) for each projector. An...
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7038710 |
Method and apparatus for measuring the quality of video data
The present invention relates to a method and apparatus for generating a model used to estimate the quality of input-video data. The apparatus is configured to obtain a plurality of average...
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7006130 |
Visual cue for display testing having one bit resolution
A display test system includes a symbol source and a controller connected to the symbol source for receiving a symbol in response to a testing event whereupon the controller causes the display to...
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6992697 |
Method and apparatus to measure video quality on any display device with any image size starting from a know display type and size
A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method includes the steps of: (a) obtaining a subjective...
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6992696 |
Image test target for visual determination of digital image resolution
Resolution of an image capture system is measured by imaging a test target having a progression of feature sizes and pitch in respective sub-fields thereof. The image captured by the imaging system...
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6982744 |
Multi-point calibration method for imaging light and color measurement device
A multi-point calibration method is provided for an imaging light and color measurement device. A light emitting surface with a plurality of light emitting areas is provided. The luminance or color...
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6958785 |
Method and apparatus for determining and correcting for illumination variations in a digital projector
The need is met according to the present invention by providing a method of correcting pixel by pixel variations in a display, the method including the steps of creating a defect map of pixel...
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6950124 |
Transport stream packet map display
The invention provides technology to generate a graphical depiction on a video display device (VDD) for a stream of packets. Such a graphical depiction can take the form of a matrix of geometric...
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6941017 |
Temporal processing for realtime human vision system behavior modeling
Temporal processing for realtime human vision system behavioral modeling is added at the input of a spatial realtime human vision system behavioral modeling algorithm. The temporal processing...
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6933967 |
Color reference system for display monitor
A color calibration system includes a visual display terminal (VDT), a color calibration sensor optically coupled to the VDT, and a computer processing unit (CPU) electrically coupled to the VDT...
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6891565 |
Bitstream testing method and apparatus employing embedded reference data
A method of testing a decoder of a coded bitstream utilizes a test bitstream, containing in part embedded reference data, that is applied to a decoder being tested to produce a test result image...
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6885369 |
Method and apparatus for acquiring luminance information and for evaluating the quality of a display device image
A method for evaluating the quality of an image, for extracting a luminance gradient displayed on a display device and for evaluating local luminance unevenness caused therein. The method includes...
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6879352 |
Convergence measuring apparatus and method thereof
A convergence measuring apparatus and a measuring method thereof. The apparatus for measuring a convergence includes: a first camera for obtaining the certain pattern formed on the cathode ray...
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6850245 |
DISPLAY CHARACTERISTICS RECOGNITION APPARATUS, DISPLAY CHARACTERISTICS RECOGNITION PROGRAM STORAGE MEDIUM, COMPUTER SYSTEM, DISPLAY CHARACTERISTICS ADJUSTING APPARATUS AND DISPLAY CHARACTERISTICS ADJUSTING PROGRAM STORAGE MEDIUM
A display characteristics recognition apparatus has a color chart data output unit outputting a color chart data representative of a predetermined color chart to a display unit, a color name input...
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6829005 |
Predicting subjective quality ratings of video
A method of predicting subjective quality ratings of processed video from corresponding human vision model perceptual difference scores obtains perceptual difference scores for a “Worst”...
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