Abstract: A data processing method of point cloud media, performed by a computer device, includes: obtaining a point cloud code stream of the point cloud media including one or more point cloud frames and parameter information of the one or more point cloud frames; and decoding the point cloud code stream based on the parameter information to present the point cloud media, wherein the parameter information indicates at least one of: a frame serial number, frame timestamp information, frame space information, or intra-frame data unit information.

Abstract: A video encoder according to embodiments is provided. The video encoder is configured for encoding a plurality of pictures of a video by generating an encoded video signal, wherein each of the plurality of pictures includes original picture data. The video encoder includes a data encoder configured for generating the encoded video signal including encoded picture data, wherein the data encoder is configured to encode the plurality of pictures of the video into the encoded picture data. Moreover, the video encoder includes an output interface configured for outputting the encoded picture data of each of the plurality of pictures. Furthermore, a video decoders, systems, methods for encoding and decoding, computer programs and encoded video signals according to embodiments are provided.

Abstract: Disclosed in the present application are a coding method, a decoding method, an encoder and a decoder. The coding method includes: selecting a plurality of coded related blocks corresponding to a current block from a predetermined area, the predetermined area comprising an area having a correlation with the current block; on the basis of information of the plurality of related blocks, determining a context index parameter of a first syntax element of the current block; and on the basis of a context corresponding to the context index parameter, coding the first syntax element of the current block.

Abstract: A decoding method, an encoding method, a decoder, and an encoder are provided. The decoding method includes the following. A bitstream is decoded to obtain a first transform coefficient of a current block. A first transform is performed on the first transform coefficient to obtain a residual block of the current block. The current block is predicted based on a first prediction mode and a second prediction mode which correspond to a geometric partitioning mode (GPM) to obtain a prediction block of the current block. A reconstructed block of the current block is obtained based on the prediction block of the current block and the residual block of the current block.

Abstract: An information sign unit includes at least one motion sensor, which detects movements of objects in the environment of the information sign unit, and at least one signal device for outputting different optical and/or acoustic signals. Different optical and/or acoustic signals depends on whether the motion sensor has detected a movement of an object in the environment of the information sign unit. A camera captures a digital image of an object in the environment. An image processing device is provided for processing the digital image with algorithms of a neural network. The algorithms are based on at least one database containing digital images of critical objects and wherein processing of the image with the algorithms delivers a result, which the object in the captured digital image as a critical object with a predefined level of reliability. A warning system and a method for operating a warning system are also provided.

Abstract: Disclosed are an image encoding/decoding method and apparatus. The image decoding method includes decoding coding mode information of a current coding block, dividing the current coding block into at least one prediction block, and generating prediction samples of the at least one prediction block on the basis of the decoded coding mode, in which the coding mode information is information indicating any one mode among intra mode, inter mode, and hybrid mode.

Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and encoding and a method of processing visual media data. The method for video decoding includes receiving coded information in a bitstream indicating that a current block is predicted based on a combination of a plurality of intra prediction modes. The method includes determining a plurality of intra predictions of the current block based on the respective intra prediction modes, determining a fused prediction of the current block based on a weighted summation of the plurality of intra predictions where the weighted summation is according to respective weights associated with the plurality of intra predictions, and reconstructing the current block based on the fused prediction. Each weight is based on one of a plurality of weighting functions that depends on a sample location (x, y) and the intra prediction mode of the intra prediction associated with the respective weight.

Abstract: A decoding method, an encoding method, a decoder, and an encoder are provided. The decoding method includes the following. A bitstream is decoded to obtain a first transform coefficient of a current block. A first transform is performed on the first transform coefficient of the current block to obtain a second transform coefficient of the current block. A second transform is performed on the second transform coefficient to obtain a residual block of the current block. The current block is predicted based on a first prediction mode and a second prediction mode which correspond to a geometric partitioning mode (GPM) to obtain a prediction block of the current block. A reconstructed block of the current block is obtained based on the prediction block of the current block and the residual block of the current block.

Abstract: An access management system includes a mobile device with a processor and a memory and a software platform including at least a processor and a memory. The software platform is configured to analyze data obtained from the mobile device and other devices connected to the software platform. Specifically, the software platform is operable to determine if an access key received, read, or captured by a mobile device matches an access key for an authorized account, object, device, or space for the mobile device, and to provide access to the mobile device if the access key received, read, or captured by the mobile device matches the authorized access key.

Abstract: An encoder includes circuitry and memory. Using the memory, the circuitry performs a primary transform on a derived prediction error, performs a secondary transform on a result of the primary transform, quantizes a result of the secondary transform, and encodes a result of the quantization as data of an image. When a current block to be processed has a predetermined shape, the encoder performs the secondary transform using, among secondary transform basis candidates that are secondary bases usable in the secondary transform, only a secondary transform basis candidate having a size that is not largest size containable in the current block.

Abstract: Disclosed is a video door bell, aiming at providing a video door bell which is capable of shooting full-body images, convenient to install and use, and high in security. The video door bell includes a door bell body, a front end face of which has a first inclined surface, wherein a mounting frame is disposed inside the door bell body and has a second inclined surface, an infrared sensor and a lens are disposed on the second inclined surface, the lens is disposed on the first inclined surface, and the first inclined surface, the second inclined surface, the lens, and the infrared sensor are all inclined downward. The present disclosure is applied in the technical field of door bells.

Abstract: The present disclosure provides a vehicle player with optimized applicability including a main body that includes a screen member, a control board member and a bracket member, the screen member electrically connected to the control board member and including an upper installation portion and a lower installation portion respectively arranged on a top end and a bottom end of a rear side thereof; the control board member installed on one of the upper and lower installation portions and the bracket member installed on the other of the upper and lower installation portions. Such improved vehicle player can freely disassemble and assemble the bracket member so that a single spindle structure and a corresponding combination double spindle structure can be switched. In addition, the main body is equipped with a detachable casing to further enhance the adaptability of the vehicle player.

Abstract: A method and apparatus for performing prediction for encoding or decoding uses intra prediction with sub-partitions. The sub-partitions are oriented either horizontally or vertically and can use wide-angle modes different than that of the video block they originate from. Reference samples for a sub-partition are those of the video block when reference samples for the sub-partition are not available, such as due to direction. In an embodiment, when a sub-partition is square, conventional intra prediction directions are used. Reference samples can be used from a block above and right of the video block or left and below the video block using a mapping along a prediction direction, vertically, or horizontally.

Abstract: Intra prediction modes are determined for entry in most probable mode lists for encoding in video encoders and decoding in video decoders. In at least one embodiment, coding modes are derived to determine reference samples to use from inter coded neighboring blocks. In one embodiment, up to five neighboring blocks are used. The reference samples are used in an intra prediction mode to determined prediction samples. The reference samples are used for prediction in encoding or decoding. In at least one embodiment, one of several motion models can be used to extract the intra motion mode. The intra motion modes are used to fill a most probable mode list. The motion model, intra mode, or reference frame can be signaled from an encoder to a decoder.

Abstract: A device may include a housing configured to be worn by a user, a sensor configured to detect a safety event, and a low-power communication module configured to transmit a low-power alert signal to a nearby central. The central may be configured to transmit a higher-power signal to a remote backend in response to receiving the low-power alert signal, initiating a safety protocol, such as a notification to a nearby user of a potential safety event.

Abstract: A method and apparatus for reduction of reference data transfer and coding efficiency improvement. The method includes performing pre-analysis on a decimated version of an image, and utilizing the predictions of the pre-analysis to transfer smaller reference area.

Abstract: A media device, such as a set-top-box, may receive an indication that a video doorbell on the premises has been activated. The indication may activate an application associated with the video doorbell within the set-top-box. While the application is in use, a communication pathway may be created between the set-top-box and the video doorbell. For example, audio and/or video detected by the video doorbell may be sent, directly or indirectly, via the application, to the set-top-box for display on a television or other display. Furthermore, while the application is in use, user voice data for a user associated with the media device may be captured by a voice-enabled remote control and routed to the set-top-box or smart television and then to the video doorbell for output at the video doorbell.

Abstract: A system for causing a display of a video on an original equipment manufacturer (OEM) display of a land vehicle; it has a camera for generating the video, the camera for fastening to the vehicle; and a router for communicating with the camera, comprising a wireless input/output interface; and a controller configured to receive via the input/output interface an Internet signal through tethering using a short-range wireless network generated by the portable computer; generate an Internet signal from the local wireless network generated by a portable computer to enable WiFi by the vehicle; transmit a command to the camera to start producing a video and to transmit the video to the router; receive the video from the camera; and transmit wirelessly the received video to an IP address of a web server hosted locally by the router; and a method of use thereof.

Abstract: A video data processing method, performed by a computer device, includes: obtaining reconstructed video data; obtaining one or more candidate pixel threshold pairs, wherein at least one of the one or more candidate pixel threshold pairs include two candidate pixel thresholds having first relationship that is asymmetric; determining one or more distortion costs associated with correcting a target reconstructed video frame of the reconstructed video data in a target correction mode according to the one or more candidate pixel threshold pairs; screening, according to the one or more distortion costs, a target pixel threshold pair of the reconstructed video data, in the target correction mode, from the one or more candidate pixel threshold pairs; and obtaining a target correction result of the reconstructed video data by correcting, in the target correction mode according to the target pixel threshold pair, one or more reconstructed video frames of the reconstructed video data.

Abstract: Disclosed is a method of providing a proximity warning using a head-worn device. A distance is determined between the head-worn device and a relevant object, such as a cyclist, jogger or vehicle, using image-processing techniques. A speed of the head-worn device is determined using a GPS receiver or other position components located in the head-worn device or an associated user device. A braking distance for the head-worn device is determined based on the speed of the head-worn device, and compared to the distance to the relevant object. A warning notification is provided by the head-worn device if the distance to the relevant object is less than the braking distance.