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WO/1984/005001A1 |
Signal samples from two signal streams are downsampled, filtered and multiplexed for transmission by being fed in parallel to a switching network which feeds samples from the two signal streams (X, Y) alternately to one or other of two p...
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WO/1984/004013A1 |
A method of encrypting a television signal having in each ruster scan line a digital section of information and chrominance and luminance sections of information comprising cutting either or both of the chrominance and luminance sections...
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WO/1984/003599A1 |
In a system in which an information signal is transmitted along with digital data from a transmitter to a receiver, transmitter circuitry is provided which produces digital data indicative of parameters relating to noise reduction for th...
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WO/1984/003190A1 |
Method for the recording and reproduction of television signals. During the recording, the luminance signal is digitally recorded according to a time compression process with the synchronizing signal. The chrominance signals are also dig...
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WO/1984/002821A1 |
Method and device for the digital coding of an image, particularly a television image comprised of pixels (elementary points) regularly distributed in the image plane to which are affected one or a plurality of radiometric properties whi...
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WO/1984/002442A1 |
Receiving apparatus for receiving multiplexed analogue component signals each of which represents a line of a television picture and includes a burst of digital signals, at least one of the multiplexed analogue component signals includin...
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WO/1984/002242A1 |
Synchronisation signals are transmitted in the form of alternating digital words placed at the beginning of the lines of a television signal. Receiving apparatus comprises means (20, 21) for deriving a signal indicative of the presence o...
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WO/1984/002047A1 |
Method for recording and reproducing color television signals in timeplex. In the signal to be recorded a carrier is additionnally coupled and used for synchronization, of which the frequency is symmetrically inverted as to the half line...
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WO/1984/001874A1 |
In order to reduce the effect of noise on information signals transmitted over a communications link (such as television signals in a DBS link), encoding-decoding apparatus is provided which treats the signals as a series of samples (S) ...
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WO/1984/000658A1 |
Signal separation arrangements for separating frequency interleavd signal components of a video signal one of which is modulated as a double sideband modulated component of a subcarrier frequency. A video signal is sampled by a digital-t...
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WO/1984/000657A1 |
Vertical synchronisation information in a multiplexed analogue component (MAC) television signal is included in a line scan period, the amplitudes of the waveform being chosen so as to represent a position in the colour space outside tha...
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WO/1984/000272A1 |
A compatible high-definition television (CHDTV) color picture signal which is capable of conversion by simple and inexpensive means into either a HDTV composite color picture signal for use by a HDTV receiver or an associated conventiona...
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WO/1983/000974A1 |
A demodulating system for improving in the noise characteristics of a wide band television (FM) signal. In the system, a band-pass filter (7) is followed by an adaptor for an improvement in the C/N ratio and the output of the adaptor is ...
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WO/1983/000973A1 |
A demodulating system for improving in the noise characteristics of a wide band-television (FM) signal. In the system, a band-pass filter (7) is followed by a variable band-pass filter (8) having controllable center frequency and band wi...
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WO/1983/000269A1 |
In a colour television signal the total line length or period and the bandwidth requirement can be conventional, but the active line period is increased to e.g. about 94% of the line period, giving an aspect ratio of about 3:2 instead of...
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WO/1982/000396A1 |
Apparatus for processing information signals in a plurality of information channels comprises a comparator (634-648) for comparing samples of a first information signal in a first channel (Y) with a plurality of selected combinations of ...
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WO/1981/003098A1 |
Composite video signals are re-formatted into a compressed line-by-line serial format, by sampling the luminance and chrominance components at a predetermined sampling rate (22) and serially arranging them. Each line contains a pair of g...
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WO/1981/001065A1 |
Process for transforming chrominance numerical signals of an orthogonal system of colour coordinates into colour numerical signals and into saturation signals of a system of colour coordinates. The system of polar coordinates is divided ...
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WO/1980/000207A1 |
Predictive differential pulse-code modulation apparatus provided with one or more predictors (71, 72) for predicting the value of incoming data samples (S1), e.g. derived from a television signal, on the basis of a number of previously r...
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JP7431244B2 |
A method in a virtual, augmented, or mixed reality system includes a GPU determining/detecting an absence of image data. The method also includes shutting down a portion/component/function of the GPU. The method further includes shutting...
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JP2023550947A |
Receives an initial image array signal generated from an image sensor to transmit an analog image signal, and generates a target image array signal by rearranging the initial image array signal according to a preset remapping mode. , gen...
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JP7068787B2 |
To transmit ultra-high definition videos with frame frequencies above 120 Hz using a smaller number of fiber optic cables.A format converter 10 of a video signal transmitter 1 inputs an ultra-high definition video with a frame frequency ...
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JP7014158B2 |
An apparatus and a method that decrease a banding phenomenon in a subsampled image and achieve high image quality are provided. A subsampled image obtained by copying an adjacent pixel value to a pixel value thinning position is accepted...
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JP7008761B2 |
To provide a digital broadcast receiver that can execute a function with a higher added value.A broadcast receiver 100 receives, through a broadcast wave, video information on a broadcast program, program information on the broadcast pro...
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JP6990179B2 |
Inducing a particular behavior/process among a set of pre-determined behaviors/processes by implicitly signaling the selection of the particular behavior/process though a particular combination of specific values of said set of informati...
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JP6786107B2 |
To perform appropriate motion estimation between frames having different colors in moving image transmission using a frame sequential system.A color moving image transmitter for transmitting a color moving image is provided, including: m...
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JP2020123860A |
To provide an error countermeasure capable of suppressing an error in a transmission line where a transmission error occurs by solving a problem in which a format for serial transmission of high-quality (4K/8K) video using a coaxial cabl...
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JP6691417B2 |
To provide an encoder in which coding efficiency was improved by preventing propagation to each converted component of second color space, even if the S/N of a specific component in a first color space has been deteriorated, when convert...
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JP6511812B2 |
Provided is a transmitting apparatus including an image obtaining unit configured to obtain image data having pixel information including color information and having a first resolution, an image conversion unit configured to delete the ...
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JP6472429B2 |
A method of determining a luma value from 4:4:4 RGB video data for encoding chroma downsampled 4:2:0 YCbCr video data into a bitstream. A location, in a colour space defined by linear luminance and non-linear 4:2:0 chroma values, is dete...
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JP6388431B2 |
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JP6335191B2 |
Methods and apparatus for automatic detection of image or video resolution from raw image or video data are provided by the present principles. The methods find statistical metrics in the image or video data based on a look-up table of p...
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JP6316640B2 |
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JP6220960B2 |
Dithering techniques for images are described herein. An input image of a first bit depth is separated into a luma and one or more chroma components. A model of the optical transfer function (OTF) of the human visual system (HVS) is used...
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JP6162734B2 |
Data to be impressed upon the average value of a chrominance portion of a block, is replicated at least once. The original and each replica is impressed on blocks in the same block position of separate frames. The frames that have like-p...
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JP2017512405A |
We can faithfully encode the newly emerging high dynamic range video for rendering with good image quality on newly emerging HDR displays such as SIM2 displays, new improvements and new and improved. It required a very different color en...
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JP2017512393A |
We have new improvements and very different ability to faithfully encode the high dynamic range videos that are emerging for good rendering on emerging HDR displays, such as SIM2 displays. Since we needed a color encoding space, we proce...
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JP6099104B2 |
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JP6084000B2 |
An image processing device includes: a first storage unit to store image data containing pixel data about a plurality of components of each pixel arranged according to a first rule; a second storage unit having a plurality of storage are...
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JP6065398B2 |
To suppress an effect of when color information or the like of video data is lost by compression in transmission or the like of the video data, to improve image quality of the video during restoration.An video electronic circuit 50 inclu...
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JP6055268B2 |
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JP5984786B2 |
The present invention provides a method and system for determining and providing color metadata for a downlink data channel. In accordance with the present invention color metadata is determined such that gamut mapping is defined by a tr...
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JP2016144170A |
To display a high quality image with excellent reproducibility even in the case of image data where pixel information is deleted in a part of pixels.An image processing apparatus comprises: a determination part 251 that determines a form...
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JP5930009B2 |
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JP5921656B2 |
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JP5893476B2 |
An image display system is constituted by a server and a client apparatus. The server includes a storage unit that stores a plurality of illumination spectrum data after associating the data with values of adjustment parameters, an acqui...
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JP5887088B2 |
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JP5849555B2 |
To suppress deterioration in image quality while reducing a memory capacity.A resolution conversion circuit 200 comprises: line buffers 202 and 203 for storing inputted image data; and a three-pixel convolution operation circuit 208 whic...
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JP2016500965A |
When packing a video frame in a high resolution chroma sampling format such as YUV 4: 4: 4 into a frame in a low resolution chroma sampling format such as YUV 4: 2: 0, the computing device is a high resolution frame. Wavelet decompositio...
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JP2015211306A |
To achieve more real video representation, while enhancing the coding efficiency.A layering section separates an input image by appearance characteristic information. The layering section layers the input images for each appearance chara...
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