117results about "Simultaneous/sequential multiple television signal transmission" patented technology

A method of controlling a broadcast receiver and which includes displaying a broadcast program on a screen of the broadcast receiver, determining if a broadcast-related information enlargement mode is selected, and enlarging the broadcast-related information on the screen of the broadcast receiver when the determining step determines the broadcast-related information enlargement mode is selected.

Sharing video footage having audio / video (A / V) recording and communication device (A / V device) model identifiers in accordance with embodiments of the present disclosure are provided. In one embodiment, a method for communicating in a network is provided, the method comprising receiving, from a first audio / video (A / V) recording and communication device (A / V device), at one or more servers in network communication with the first A / V device, first image data captured by a camera of the first A / V device; receiving, from a first client device associated with the first A / V device, at the server(s), a command to share the first image data with a network of users; determining a model identifier associated with the first A / V device; and transmitting the first image data and the model identifier associated with the first A / V device to a second client device of at least one user of the network of users.

Disclosed herein is a point of view camera system. The point of view camera system includes a camera mount configured to attach to a headwear, the camera mount including a base configured to secure the camera mount to the headwear, a first camera including a first image sensor and a first camera lens, a second camera including a second image sensor and a second camera lens, and a camera housing configured to attach to the camera mount. The camera housing includes a first opening configured to receive and secure the first camera and a second opening configured to receive and secure the second camera.

The invention relates to a low-delay low-coupling multi-channel analog video signal processing system and method, electronic equipment and a storage medium, aiming at the limitation of the existing multi-channel video processing technology, hardware such as an analog signal receiving board, a controller, a video processing development board, a computing power development board and a serial port receiver and software technologies such as Python and Gstreamer are adopted. The method comprises the steps of signal receiving, frequency point screening, video processing and transmission, intelligent identification, layout customization and the like. The system achieves the positive effects of centralized computing power processing, accelerated calculation, rapid frequency point scanning, low-delay picture display, user-defined layout, convenient access to an intelligent identification module and the like, and is suitable for various actual scenes under analog video signals.

A short-distance communication method, an electronic device and a communication system relate to the technical field of communication. The method is applied to a first device configured with a screen, and the first device can obtain a digital sequence capable of indicating N signals based on to-be-sent information and display N frames of first images on the screen. Wherein the N frames of first images correspond to the N frames of second images respectively, the N frames of second images are images displayed on a screen of the first equipment under the condition that the screen communication function is not started, and visual perception results of the user on the N frames of first images and the N frames of second images are the same. The change rule of the color information of the N frames of first images is related to the change rule of the N signals. According to the method, a user of the first equipment does not perceive the operation, the second equipment with a camera shooting function scans the N frames of first images and demodulates to obtain the to-be-sent information of the first equipment, the operation is simple, the directivity is good, and the user experience can be improved.

The present invention relates to a display device and method, a receiving device and method, and a computer-readable storage medium. The purpose of the present invention is to transmit HDR image data between devices in a good manner. A sending device (source device) sends HDR image data to a receiving device (sink device) via a channel. In this process, the sending device sends transmission format information and / or gamma correction information of the HDR image data to the receiving device via the channel. The receiving device performs processing (decoding processing, gamma correction processing, etc.) on the received HDR image data based on the received transmission format information and / or gamma correction information. For example, the sending device receives information on the transmission format and / or gamma correction format compatible with the receiving device from the receiving device, and selects a format compatible with the receiving device for use.

A hyperspectral imaging method and system including cameras with simultaneous white light imaging capability are presented. A video system includes a camera and a light source adapted to provide white light illumination at a first frame rate suitable for live video, and to provide intermittent narrowband illumination for individual frames interspersed among the white light illuminated frames, where the spectrum of the narrowband illumination varies amongst the interspersed frames permitting a series of at least two differently illuminated narrowband interspersed frames to be assembled into a multispectral or hyperspectral data cube at a second frame rate. The system also includes a processor adapted to receive an image signal and create a live video feed based on the white light illuminated frames by replacing the narrowband illuminated frames with generated or previously collected frames.

A transmission method in the present disclosure includes; obtaining an image and image signal characteristics information indicating one of an opto-electrical transfer function (OETF) or an electro-optical transfer function (EOTF) as image signal characteristics of the image; and transmitting a signal including the image and the image signal characteristics information. According to the transmission method in the present disclosure, a receiving device that received a high dynamic range (HDR) image and a standard dynamic range (SDR) image transmitted through broadcasting or the like can display these images appropriately.

In some embodiments, a computer-implemented method for coupling one or more DisplayPort source devices to a plurality of DisplayPort sink devices is provided. A matrix management engine receives capabilities of the plurality of DisplayPort sink devices. The matrix management engine determines a maximum common quality based on the capabilities of the plurality of DisplayPort sink devices. The matrix management engine, provides capabilities based on the maximum common quality for presentation to the one or more DisplayPort source devices.

The invention discloses a multi-video stream processing method, device and equipment and a computer readable storage medium. The method comprises the following steps: in an ith storage period, writing all data corresponding to a first type of image frame and all data corresponding to N second type of image frames output by N non-target cameras; and in the ith processing period, reading and processing data corresponding to the written first-class image frames through the ISP according to a first-in first-out sequence, and reading and processing data corresponding to N written second-class image frames after all data corresponding to the first-class image frames are processed, the time when all the data corresponding to the first type of image frames are processed in the ith processing period is after the end time of the ith storage period, and a tiny time interval is formed between the time when all the data corresponding to the first type of image frames are processed in the ith processing period. According to the embodiment of the invention, real-time performance is taken into account while multiple paths of video streams are processed.

The invention provides an LED display screen control system capable of automatically matching a display position, and belongs to the technical field of LED display screen control. Data processing and transmission of the system are comprehensively planned through a main control chip, an encrypted video signal is received and analyzed by using a video signal acquisition module, primary decryption is performed by using a signal encryption identification module, and the display position is automatically matched. Secondary encryption transmission is carried out through the network transmission module, decryption processing is carried out through the multipath receiving control module, and third encryption communication with the LED display module is realized through the display module control module. According to the system, the position information acquisition module is adopted to acquire the installation position information of the display module in real time, automatic matching and optimized display of display content are achieved through multivariate mixed decomposition calculation, self-adaptive display control and an intelligent exception handling mechanism, and the installation efficiency, the display quality and the operation stability of the system are effectively improved. The technical problems that traditional manual configuration is complex in operation and low in efficiency are solved.

Method, system and computer program product for providing a second digital video stream. In a collecting step, a first and a second primary digital video stream are collected from at least two different digital video sources. In a first production step, a first produced video stream is produced based on the first and second primary streams. In a second production step, the second stream is produced based on the first produced stream and also based on the first and second primary streams. In the second production step, the first and second primary streams are time-delayed so as to time-synchronise them with the first produced stream, taking into consideration a latency of the first produced stream resulting from the first production step, the second produced stream being produced based on the time-delayed first and second primary streams.

A method for displaying a video stream of a scene, specifically a method for displaying a video stream of a scene captured by a surveillance camera on a display of a client device remote from the surveillance camera, is disclosed. The method includes: receiving the video stream and information indicating the on / off state of an IR illuminator illuminating the scene captured by the surveillance camera at the client device; setting display settings of the display differently based on the on / off state of the IR illuminator; and displaying the video stream on the display using the set display settings. Also disclosed is a client device including a display, a receiver configured to receive a video stream of a scene captured by a surveillance camera remote from the client device, and control circuitry. The control circuitry is configured to: extract the information indicating the on / off state of the IR illuminator; set the display settings of the display differently when the IR illuminator is on compared to when the IR illuminator is off; and display the video stream on the display using the set display settings.

To provide a reception method of images capable of properly displaying the images.SOLUTION: The reception method includes: a step of receiving a first content compatible with HDR and a piece of characteristic information of the first content indicating one of OETF and EOTF (step S21); a step of receiving a second content that is compatible with SDR, and contains at least one of subtitles and image, and is displayed with the first content (step S22); and a step of determining whether or not a scale factor written in TTML has been received, and when determined the scale factor has been received, converting the second content into the first content that is compatible with HDR using the scale factor, and when determined that the scale factor has not been received, converting the second content into second content compatible with HDR using a default value stored in the reception device (step S23).SELECTED DRAWING: Figure 15A

A hyperspectral imaging method and system including cameras with simultaneous white light imaging capability are presented. A video system includes a camera and a light source adapted to provide white light illumination at a first frame rate suitable for live video, and to provide intermittent narrowband illumination for individual frames interspersed among the white light illuminated frames, where the spectrum of the narrowband illumination varies amongst the interspersed frames permitting a series of at least two differently illuminated narrowband interspersed frames to be assembled into a multispectral or hyperspectral data cube at a second frame rate. The system also includes a processor adapted to receive an image signal and create a live video feed based on the white light illuminated frames by replacing the narrowband illuminated frames with generated or previously collected frames.

A transmission apparatus includes a communication interface configured to communicate with a reception apparatus, and a controller configured to acquire a depth image obtained by at least one depth camera measuring distances to a subject within a measurement range, identify, with reference to the acquired depth image, a window corresponding to a position of the subject from among a plurality of windows set within the measurement range and aligned in a depth direction, transmit a window identifier identifying the identified window to the reception apparatus via the communication interface, and for each pixel of the depth image, convert a measured distance into a relative distance within the window and transmit a resulting converted value as pixel data to the reception apparatus via the communication interface.

A medical telepresence system comprising: an interface to receive a plurality of data feeds from a live medical procedure, at least one data feed comprising a video signal capturing the live medical procedure; a hierarchical encoder to encode the plurality of data feeds using a first tier-based hierarchical data coding scheme, wherein encoded data from the hierarchical encoder is decodable by a first set of computing devices for viewing, the first set of computing devices being communicatively coupled to the hierarchical encoder using a first network connection; a transcoder to convert from the first tier-based hierarchical data coding scheme to a second tier-based hierarchical data coding scheme, wherein encoded data from the transcoder is receivable by a second set of computing devices for viewing, the second set of computing devices being communicatively coupled to the transcoder using a second network connection, the second network connection being of a lower quality than the first network connection; and a recorder to store the output of the hierarchical encoder as a set of tier-based files for later retrieval, wherein each of the set of tier-based files represent different levels of quality.

To provide a video transmission technique that can ensure video continuity at a receiving side.SOLUTION: A communication device is connected to a receiving-side device via N (N is an integer greater than or equal to 2) communication lines. The communication device transmits video to the receiving-side device. More precisely, the communication device spatially divides one frame of image into N segmented images. The communication device then transmits the N segmented images to the receiving-side device in parallel via each of the N communication lines.SELECTED DRAWING: Figure 2

The utility model discloses a video acquisition circuit, electronic equipment and a vehicle driving system, and relates to the technical field of video monitoring. In an acquisition circuit between a processor and a camera, in consideration of interface resource limitation of the processor, on the basis of a first-stage deserializer of the acquisition circuit, a serializer is added, so that video data of a multi-path camera module is serialized, and the serialized data occupies one path of interface of the first-stage deserializer in a one-path interface manner; and the access of multiple paths of modules is realized through one path of interface. Through the access of N stages of deserializers, one stage of serializer is connected between every two stages of deserializers, so that the next stage of deserializer can be connected with a plurality of cameras under the condition that each stage of deserializer can be connected with the plurality of cameras, the interface resources of the deserializers are fully utilized to access a plurality of camera modules, and the multi-camera module access efficiency is improved. And when each stage of serializer is finally accessed to the first stage of deserializer, one path of interface is adopted for access, so that the requirement of sufficient interface resources for transmission of a plurality of interfaces is met, and the experience feeling of a user is improved.

The invention relates to a self-adaptive single-line parallel and cascade communication method and system, the system comprises a system framework, the system framework comprises a host and a plurality of LED chips, and the communication method comprises the following steps: changing a host output signal from 0 to 1 into a starting point of a single Bit, and when 1 / 2 of the time length of the data Bit is reached, locking whether the data is 0 or 1; if the data on the signal line at the 1 / 2 position of the time is 0, the Bit data is 0, otherwise, the Bit data is 1; after the 1Bit data is sent, sending the 1Bit data until the data is sent; decoding the data of each bit in the LED chip according to 1 / 2 of the data time length to obtain all data sent by the host; the problem of complex host debugging in the existing single-line cascade mode can be well solved, and the data output frequency does not need to be continuously adjusted to adapt to the decoding frequency of the chip, so that the communication efficiency can be remarkably improved.

An image capture apparatus (100) comprises an image sensor and an output interface (110) that selectively outputs a main video stream obtained using the image sensor and a sub video stream input from outside. The image capture apparatus (100) changes a resolution of the main video stream to be equal to a resolution of the sub video stream in a case where an output of the sub video stream from the output interface (110) has been set to be enabled.

To provide a method for controlling a display system, a method for controlling a display unit, and a method for controlling a control device that can execute processing based on operation information on images input from a plurality of sources.SOLUTION: A method for controlling a display system includes: creating, by a control device 300, a first display image 500A in which a capture image 635 and an APP image 615 acquired by a projector 200 are arranged; displaying, by the projector 200, the first display image 500A; performing, by the control device 300, processing on the first display image 500A on the basis of operation information indicating an operation for the first display image 500A, to create a second display image 500B; and displaying, by the projector 200, the second display image 500B.SELECTED DRAWING: Figure 1

A communication apparatus includes a connection unit that connects with an external apparatus so as to be capable of communication, and a control unit that establishes a plurality of data transfer paths with the external apparatus with which a connection has been established by the connection unit, selects a data transfer path on which transfer is performed, for each image file from among the plurality of data transfer paths, and transfers the image file. The control unit selects a data transfer path on which transfer of a file is possible from among the plurality of data transfer paths, and in a case of transferring an audio file attached to the image file, selects a data transfer path on which transfer of the image file to which the audio file is attached has been performed.

To provide a video signal processing method capable of performing video distribution using data different from video data.SOLUTION: A video signal processing method according to an embodiment includes: a step for receiving first data; a step for generating second data by converting the received first data to an RGB value; a step for receiving a first video signal including an RGB value for each pixel; a step for generating a second video signal by substituting an RGB value in a first region within the received first video signal by an RGB value of the second data; and a step for outputting the second video signal.SELECTED DRAWING: Figure 5

To satisfactorily display a high-dynamic range image.SOLUTION: A display device comprises a multi-media interface terminal that is a high-speed differential signal interface, a multi-media interface receiving unit that includes a TMDS channel in one direction, a high-dynamic range processing circuit, a panel driving circuit, a display panel, and an EDID memory. The display device receives a high-dynamic range signal including high-dynamic range image data from a transmitting device via a transmission channel through the multi-media interface receiving unit, and receives information in an information frame packet related to gamma correction for the high-dynamic range image data. The multi-media interface terminal transmits, to the transmitting device from the EDID memory, information on the gamma correction included in the EDID data and can be processed by the multi-media interface terminal to display a high-dynamic range image on the display panel.SELECTED DRAWING: Figure 6

A short-range communication method, and an electronic device and a communication system, which relate to the technical field of communications. The method is applied to a first device provided with a screen, and the method comprises: on the basis of information to be sent, a first device obtaining a digital sequence that can indicate N signals, and displaying N first image frames on a screen, wherein the N first image frames respectively correspond to N second image frames, the N second image frames are images displayed on the screen of the first device when a screen communication function is disabled, a user has the same visual perception result for the N first image frames and the N second image frames, and a changing rule of color information of the N first image frames is related to a changing rule of the N signals. The method can enable the user of the first device not to perceive the operations, and enable a second device with a camera function to perform demodulation by means of scanning the N first image frames, so as to obtain the information to be sent of the first device. The method involves simple operations and provides a good directivity, thereby improving the user experience.

Display with an appropriate luminance dynamic range is realizable on a receiving side. A gamma curve is applied to input video data having a level range from 0% to 100%*N (N: a number larger than 1) to obtain transmission video data. This transmission video data is transmitted together with auxiliary information used for converting a high-luminance level on the receiving side. A high-level side level range of the transmission video data is converted on the receiving side such that a maximum level becomes a predetermined level based on auxiliary information received together with the transmission video data.

The invention provides a projection vehicle lamp electronic system based on CAN XL, and belongs to the technical field of vehicle lamp control. The system comprises a vehicle body end domain controller, a vehicle lamp controller and a micro LED lamp panel. The vehicle body end domain controller is used for generating a vehicle lamp control signal and vehicle lamp original display data, and packaging the vehicle lamp control signal and the vehicle lamp original display data in corresponding CAN XL data frames; the vehicle lamp controller is used for identifying and analyzing a vehicle lamp control signal and vehicle lamp original display data in the CAN XL data frame according to the type of the service data unit, the rate variable data frame flag bit and the extended length frame flag bit, and sending the analyzed vehicle lamp control signal and vehicle lamp original display data to the micro LED lamp panel; and the micro LED lamp panel is used for carrying out light function control according to the analyzed vehicle lamp control signal and carrying out image display according to the analyzed vehicle lamp original display data. According to the invention, the bandwidth waste in data transmission is avoided, and the design complexity and cost of the system are reduced.

The application relates to the technical field of artificial intelligence, and provides a household safety device and a security door, wherein the household safety device is arranged on the security door and comprises a camera device and a sound recognition device; the camera device is used for shooting a picture outside the door, performing behavior recognition on a person outside the door, and issuing an alarm prompt if the person outside the door behaves abnormally; and the sound recognition device is used for detecting a sound outside the door and recognizing a safety hidden danger. According to the household safety device arranged on the traditional household security door, the camera device is used for shooting a picture outside the door and performing behavior recognition on a person outside the door, the abnormal behavior of the person outside the door can be intelligently recognized and an alarm can be issued, the sound recognition device is used for detecting a sound outside the door, a safety hidden danger can be timely recognized, and therefore the household safety protection capability and the protection level are effectively improved.