摘要:
Systems and/or methods for estimating color conversion components. A video coding device may receive a picture associated with a first color space. The picture may comprise a first component at a first sampling location, a second component at a second sampling location and the second component at a third sampling location. The video coding device may apply a first interpolation filter to the second component at the second sampling location and the second component at the third sampling location to determine the second component at the first sampling location. The second component at the first sampling location may be associated with the first color space. The video coding device may apply a color conversion model to the first component at the first sampling location and to the second component at the first sampling location to translate the first component at the first sampling location to a second color space.
摘要:
An apparatus and method for intra-predicting an image are provided. The method includes: obtaining, based on restored neighboring pixels of a chrominance block and restored neighboring pixels of a luminance pixel corresponding to the chrominance block, parameters representing a correlation between the chrominance block that is to be intra-predicted and a luminance block; and predicting, using the parameters, the chrominance block from the luminance block, wherein the obtaining the parameters includes performing a predetermined operation on the restored neighboring pixels of the chrominance block and the restored neighboring pixels of the luminance block, and wherein the predetermined operation comprises an adaptive scaling process of changing bit depths of the parameters to reduce a size of a look-up table and prevent an occurrence of overflow.
摘要:
The present invention relates to an apparatus and method for IP switching/routing SDI format image signal through bandwidth splitting and reduction, more specifically, which decomposes image signals consisting of YCbCr type color format entered with serial digital interface (SDI) into Y (luminance) component and C (chrominance) component, or multiple bit slice components; converts the components into IP packets and performs switching and/or routing of the IP packets; extracts Y component and C component or multiple bit slice components from the switched or routed IP packets; and combines the components into SDI format image signal and outputs the combined SDI format image signal. In addition, the present invention provides an apparatus switching/routing image signals through grid based networking, in which broadband switching or routing is performed with multiple narrow band switches or routers by switching or routing image signals through bandwidth splitting and reduction.
摘要:
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 color information of at least a portion of pixels of the obtained image data, to rearrange the pixel information of a plurality of pixels, and to convert the image data having the first resolution into image data having a second resolution lower than the first resolution, and an output unit configured to output, to a transmitter, the image data whose resolution has been converted from the first resolution into the second resolution by the image conversion unit, the transmitter having a maximum resolution of image data which the transmitter is allowed to wirelessly transmit to a receiving apparatus, the maximum resolution being the second resolution.
摘要:
An apparatus having a server is disclosed. The server may be configured to (i) receive via a network a first clip of video generated by a camera, (ii) receive via the network first information to edit the first clip, (iii) receive via the network one or more segments of a second clip of video generated by the camera as identified by the first information and (iv) create a third clip of video by editing the segments according to the first information. The second clip is generally a higher resolution version of the first clip. The third clip may have the higher resolution.
摘要:
In a reproduction method, a first video stream has a first dynamic range where a maximum value of a luminance dynamic range is more than 100 nits, and a display apparatus displays video in a second dynamic range narrower than the first dynamic range. The method includes: determining whether the first video stream is quantized based on a hybrid OETF; (i) when it is determined that the first video stream is quantized based on the hybrid OETF, reproducing the first video stream; and (ii) when it is determined that the first video stream is not quantized based on the hybrid OETF, converting a luminance dynamic range of the first video stream from the first dynamic range to the second dynamic range to obtain a second video stream, and reproducing the second video stream.
摘要:
Provided is a method and apparatus for converting, to a digital video signal, an analog video signal capable of having a variety of resolutions. A video reception apparatus determines a format of an analog video signal by sampling the analog video signal. The video reception apparatus converts the analog video signal to a digital video signal based on the determined format. A comb filter is used to separate a color difference signal and a luminance signal from the digital video signal, and the digital video signal is reconfigured using the luminance signal and the color difference signal.
摘要:
Image reproduction according to a display apparatus is realized by acquiring image information of an ultra-high definition (UHD) image from a playlist file or a clip information file. A data processing unit that performs a reproduction process of a disc recording data acquires a playlist file or a clip information file as a reproduction control information file corresponding to reproduction data recorded in a disc, determines whether or not an ultra-high definition (UHD) image is recorded in the disc based on recording data of such a file, and, in a case where the ultra-high definition (UHD) image is recorded in the disc, acquires image information of the ultra-high definition (UHD) image from the reproduction control information and controls output data for a display apparatus based on the acquired image information.
摘要:
A video distribution system transfers a formatted video signal (20) having elementary streams representing audiovisual content to be rendered in a selected combination and stream information indicative of selectable elementary streams. The formatted video signal represents extended video having an extended range (HDR) of brightness and/or color. A video device (21) processes input video to provide video processing metadata representing a conversion between standard video and the extended video. The formatted video signal comprises a primary video elementary stream representing standard or extended video, a video processing elementary stream not comprising audiovisual content but comprising video processing metadata representing a conversion between standard and extended video or vice versa, and extended stream information comprising an entry indicative of the video processing elementary stream. Advantageously a video player (22), for example a BD player, is enabled to render both extended and standard video based on the extended stream information and the video processing elementary stream.
摘要:
A method to encode high dynamic range and wide color gamut video content with a backward compatible base layer. The base layer may be an HDTV or UHDTV program with Rec.709 colorimetry coded with AVC/H.264 or HEVC/H.265. The coding method provides information for properly rendering the content on displays with a wide range of color and brightness capabilities.