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7616216 |
Digital content creation system, program product, and storage medium
There is disclosed a digital content creation system including: a representative color obtaining section that obtains, from a digital content input, a characteristic amount of at least one...
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7382415 |
Color correction processing circuit by each hue
The object of the present invention is to provide a color correction process designed for enabling all the hues in the image properly corrected without leaving any uncorrected range; the inputted...
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7231085 |
Color image signal processing method for correcting hue turn and color image outputting device and imaging device
A chromaticity diagram is divided into a plurality of sections by a primary color line and a complementary color line of a color that does not cause hue turn, then it is decided to which section a...
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7139037 |
Circle correction in digital low-pass filter
A filter circuit is provided which has a filtered input and an unfiltered input. The filtered input passes through delay elements to coefficient circuitry. The unfiltered input passes to the...
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7098965 |
Digital video signal processing system and method
A digital video signal processing system which includes a scaler converting a video signal having a luminance signal and chrominance signals into a digital RGB signal, further including a hue...
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6985524 |
Apparatus and method for adjusting real time video to compensate for color blindness
An apparatus and a method are provided for adjusting real time video to compensate for color blindness. A video system includes a decoder that receives and decodes a video signal into original...
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RE38890 |
Device for converting data using look-up tables
A data converting device for converting data by employing a plurality of LUTs stored in a single memory device. The device generates, with reference to two or more LUTs sequentially, a converted...
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6876399 |
Image sensing apparatus for microscope
An image sensing apparatus for a microscope of this invention includes an image sensing unit for sensing an observation image obtained by a microscope and obtaining the observation image, a...
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6774953 |
Method and apparatus for color warping
A method and apparatus for transforming color signals. The transformation is achieved by use of a first, coarse, look-up table and a second look-up table that provides coefficients to be used in...
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6674487 |
Controlling hue using a saturation control circuit
Hue is controlled using a saturation control circuit. A first color space value is adjusted based on a hue angle and a saturation value, and a second color space value is adjusted based on the hue...
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6614488 |
Method and apparatus for controlling tint in a digital color display system
A method and apparatus for controlling tint in a digital color display system capable of efficiently performing tint control of displayed colors. The tint control method is executed according to...
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6515714 |
Hue adjustment circuit
In a hue adjustment circuit for adjustment of a color difference signal by addition, subtraction, and multiplication of hue correction components (sin α, cos α) generated from a sub-carrier...
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6441869 |
Systems and methods for color specific hue control
Image systems and methods adjust hue angles of one or more colors in an image. The adjusted image may be output to a printer for printing. An image quality control is provided to allow a user to...
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6424374 |
Hue adjusting method and hue adjusting device
An object of the invention is to provide a hue adjusting device and a hue adjusting method that adjust finely the hue of a color image signal. The CPU calculates an off set matrix B that is in a...
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6411340 |
Chrominance signal processing apparatus in video signal processing system
A chrominance signal processing apparatus in a video signal processing system which has a simple configuration capable of achieving chrominance signal control and RGB transform functions using a...
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6392713 |
Digital processing amplifier
A procamp to color transforms component digital video data. The procamp includes a digital multiplier coupled to receive component digital video data corresponding to at least two different pixel...
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6295095 |
Video signal character converting device and method of the same
In a video signal character converting device, a sampling window signal generator generates a signal for sampling an input video signal "a". A video scene amplitude discrimination circuit samples...
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6211923 |
Device for correcting the color of a television signal according to NTSC standard
A device corrects the chrominance parameters transmitted by a chrominance subcarrier of a television signal, by shifting the phase of two demodulation signals an angle, which depends upon the phase...
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6124899 |
Method and apparatus for encoding video color information
The invention features furnishing a representation of the quadrature amplitude modulation of two input signals (e.g., U and V video signals) based on the phase of a reference signal (e.g., a color...
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6016167 |
Method of color correcting digital video data
A method of color correcting digital video data 21 is disclosed, comprising the steps of providing a workstation 22 connected to a source 20 of digital video data, analysing video data at the...
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5999230 |
Tone correction apparatus for digital color image signal
A tone correction apparatus corrects the tone of an input color image signal independently of each of a plurality of hue areas divided by a plurality of standard axes passing through a plurality of...
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5953059 |
Color signal processing circuit with hue/gain control and frequency conversion mechanisms
A color signal processing circuit of a camera DSP chip for use with a CCD includes a matrix circuit for converting color signals from the CCD into R-G and B-G signals, a hue/gain controlling...
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5737032 |
Serial digital video processing with concurrent adjustment in RGB and luminance/color difference
A digital converter controllably modifies input video data representing pixel luminance and color information, in two color space formats. Two color space converters are coupled in cascade. Serial...
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5677741 |
Image processing apparatus and method capable of adjusting hues of video signals in conversion to display signals
An image processing apparatus of this invention has an ordinary displaying mode and a hue conversion mode to change hues in correspondence with a user. In the ordinary displaying mode, input image...
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5510850 |
Video signal correction device
This invention is related to a video signal color correction device. Color information signal inputs are received in rectangular form. A coordinates conversion means converts the inputs into polar...
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5499060 |
System and method for processing video data
A system (14') for processing pixel video data having a selectable number of bits is provided. The system (14') comprises first, second and third video processors (20), (22) and (24). The first...
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5457491 |
System for producing image on first medium, such as video, simulating the appearance of image on second medium, such as motion picture or other photographic film
A system for processing information in an image originated on a first medium into data representative of a modified image simulating an image originated on a selected second medium. The method of...
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5452018 |
Digital color correction system having gross and fine adjustment modes
A digital color correction system and method for correcting a color video signal representing a portion of a colored optical image by modifying the entire color space of each of the complementary...
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5452017 |
Method and apparatus for electronic image color modification using hue and saturation levels
The color modification system receives standard red, green and blue signal values and outputs modified red, green and blue values in accordance with operator modification of the signals. To...
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5432564 |
Digital chrominance signal processing circuit for converting between high-band converted chrominance signals, low-band converted chrominance signals, and color difference signals
A reproducing circuit converts a low-band converted chrominance signal into digital signals for reproducing processing and outputs a high-band converted chrominance signal. In this reproducing...
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5426468 |
Method and apparatus utilizing look-up tables for color graphics in the digital composite video domain
In a composite video system having a digitized composite video signal to be modified, wherein the digitized video signal has discrete values having sampling frequency Nf s where N is an integer...
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5355179 |
Hue control without chrominance demodulation for PAL
A hue control circuit for adjusting the color phase of a composite PAL television signal without demodulating the chrominance component of the composite PAL television signal uses a polyphase...
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5305094 |
Digital video signal color detector, corrector and method
The color balance, hue, saturation, luminance, and other parameters of digital video signals are corrected entirely in the digital domain. Correction signals are combined with the digital video...
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5184214 |
Image output system
An image output system processes an input image signal from an image signal source, such as a television camera, to produce an output image signal to record an image on an image recording medium....
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5140414 |
Video system for producing video images simulating images derived from motion picture film
Digital signals are generated and stored for each pixel of a frame of high definition video originated material. A computer reads the digital signals and converts them to binary image data by...
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4951127 |
Digital color-signal-processing circuit that provides independent processing of hue and saturation components in a color television
A digital color-signal-processing circuit generates a phase-angle signal and a magnitude signal as outputs in response to an R-Y color-difference signal and a B-Y color-difference signal. The...
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4847679 |
Multiplex chrominance gain control and matrix using a single multiplier and a coefficient shift register
A digital chroma signal processing apparatus wherein control signals represent the burst period, the image period and the remaining period of a digital chrominance signal. A multiplier receives a...
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4809059 |
Chroma control circuit for a digital television receiver
In a chroma control circuit for a digital television receiver, the system clock lies in the range of four-times the chrominance-subcarrier frequency. The originally received color-burst signal is...
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4794382 |
Image retouching
A method and apparatus for electronically retouching an image are described. The apparatus comprises a source (1) of color component image signals representing the color component values for the...
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4774495 |
Video monitor interface circuit for digital color signals
An interface circuit for translating digital signals signifying colors in any of various color formats into analog signals for controlling respective primary colors of a display monitor operating...
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4710892 |
Phase calculation circuitry in digital television receiver
An angle α from 0° to 45° is determined from an equation α°=LK.iota.(tan α) .iota ., where .iota. is an index varying from 0 to n. The value of tan α is arrived at by dividing the smaller of...
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4667223 |
Flesh tone correction circuit
From the digital color-difference signals (b-y, r-y), the digital flesh-tone correction circuit forms a signal corresponding to the tangent between the two color-difference signals by means of...
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4661841 |
Color signal processing circuit
Multiplier and multiplicand output means is connected to multiplier means having a multiplier and multiplicand input section. The multiplier and multiplicand output means produces second matrix...
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RE32148 |
Control apparatus for a color television receiver
A color reference signal is inserted during the vertical blanking interval of a transmitted television waveform, for utilization by the described apparatus in automatically setting the hue and...
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4587552 |
Apparatus for generating the magnitude of the vector sum of two orthogonal signals as for use in a digital TV receiver
For real time processing of wide-band signals, the magnitude, C, of the vector sum of substantially orthogonal component vectors A and B is performed with minimal circuitry by employing the...
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4568967 |
Digital signal processing circuitry for a color-television receiver
Digital color signal processing circuitry includes a multiplier which multiplies two demodulated digital color-difference signals by a digital color-saturation signal to provide three...
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4562460 |
Manual hue control as for a digital TV
A TV receiver arranged to process video signals in PCM binary format includes a manual hue control circuit which operates on the PCM color mixture signals to effectively rotate the vector sum of...
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4558351 |
Hue correction circuit for a digital TV receiver
A digital hue correction circuit for correcting the color of digital TV chrominance signals includes a pipelined divider arranged to divide the smaller of the magnitudes of I and Q color mixture...
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4554576 |
Auto flesh circuitry as for a digital TV receiver
A digital TV receiver includes circuitry for performing hue control by rotation of the axes of the I and Q color mixture signals. The I and Q color mixture signals are time division multiplexed and...
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4550339 |
Binary divider as for a digital auto flesh circuit
A pipelined binary divider which operates at video rates which consists of N like subtraction stages coupled in cascade. Each subtraction stage includes a latch for storing the divisor, the partial...
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