18 results about "Video processing" patented technology

A video processing apparatus controls an imaging apparatus capable of changing a focus position. A deriving unit derives a focus position where a certain object is focused on. A controller controls the imaging apparatus such that a focus position in the imaging apparatus is changed to the focus position where the certain object is focused on which is derived by the deriving unit in accordance with a certain operation.

The invention provides an automobile panoramic imaging device and method based on infrared calibration. The device comprises multiple camera shooting acquisition units arranged in different directions around an automobile, a video conversion unit, a video processing unit, a storage unit, a video coding and outputting unit, a display unit and infrared lasers respectively fixed on the multiple camera shooting acquisition units, wherein the camera shooting acquisition units shoot colorful image information in different directions around the automobile; the video conversion unit converts analog signal image information shot by each camera shooting acquisition unit into binary digital image information; the digital image information is stored in the storage unit; and the video processing unit analyzes and processes the information of multiple digital images in the storage unit by virtue of an infrared calibration line emitted from an infrared emitter. According to the automobile panoramic imaging device and method based on infrared calibration, the panoramic information of the automobile and the surrounding environment can be accurately provided for drivers in real time.

The invention discloses a method for controlling the automatic following shot of cameras according to the number of people on a game site. The method involves a cloud deck, a system for recognizing the number of people on site, a tracking control unit, a high-definition variable-focus camera capable of rotating by 360 degrees and a video processing unit, wherein the system for recognizing the number of people on site comprises a far infrared low-light-level high-speed high-definition camera, a main server and an image recognizing system, the tracking control unit comprises a collecting module, a converting module, a control module, a terminal communication module and a display module, and the terminal communication module is in communication with the high-definition variable-focus camera capable of rotating by 360 degrees. By means of the method, the main purposes of accurately recognizing the number of people on site and automatically controlling the cameras are achieved, the shot target can be accurately detected, and quite strong interference resistance is achieved.

The invention discloses an LED display screen control system and a control method thereof. The LED display screen control system comprises a master control system and a display system which are in communication connection by a data line. The master control system has multiple signal input ends, a data setting input end and multiple signal output ends. Video sources are in communication connectionto the master control system through the signal input ends. A user terminal is in communication connection to the master control system through the data setting input end. The display system includesdisplay modules integrated with video processing circuits. Every two display modules directly transmit video signals through the video processing circuit. The LED display screen control system basically consists of a video conversion device and modules capable of directly processing video data, so that the control connection of the LED display screen is simpler and more convenient.

The invention discloses a video processing method and device, a storage medium and an electronic device. The method comprises the following steps: a first decoder of a target client decoding a received first coded video stream to obtain a second single-sequence video stream, and a second decoder of the target client decoding the received second coded video stream to obtain a second double-sequencevideo stream; the renderer of the target client rendering the video frames in the second single-sequence video stream and the second double-sequence video stream according to the sequence of the timestamps of the video frames in the second single-sequence video stream and the second double-sequence video stream; wherein under the condition that the renderer does not acquire the first video framewithin the first preset duration, the renderer skips rendering of the first video frame, and continues to acquire and render the next video frame of which the timestamp is later than that of the firstvideo frame. According to the invention, the technical problem of video picture lag caused by network jitter is solved.

The invention provides a miniature low-power consumption comprehensive kernel processor based on avionics full duplex switched Ethernet (AFDX), which mainly solves the problems that the existing processor is low in integrated degree and reliability and poor in maintenance and indemnificatory performance and comprises a data processing module used in task computing, data integration, system control and management and bus communication, a network support module for high-speed data transmission among all modules of the kernel processor and between the modules and a front end sensor and a power source module for supplying power to the modules. The kernel processor has capability in processing of data, signals, graphs and videos and high-capacity memory power, simultaneously has high-speed network communication capacity, system tolerance reconstitution capacity and has the advantages of being good in performance, light in weight, small in volume, low in power consumption and the like.

The invention relates to an interactive controller comprising a central processing unit, a graphic processing unit, a video processing unit, a RAM (random access memory) controller, a non-easy-to-lose type storage controller, a video output module, a general I/O (input/output) interface, a network module and a video input module which are respectively connected with a module interconnection unit, the RAM controller is in RAM connection with a random access storage device, and a non-easy-to-lose type storage is connected with the non-easy-to-lose type storage controller; the video input module is used for video output interface of wired or wireless connection of operating terminals, and the video output module is used for video input interface of wired or wireless connection of display terminals and the operating terminals. Through the interactive controller, the operating terminals can access to a system in a wired or wireless manner, the existing intelligent terminals with computer functions can be adopted as the operating terminals, and users can demonstrate interactive operation in the whole area.

A video processing method and device, and a storage medium, the method comprising: acquiring an initial motion information candidate list of an image block of a current frame; according to an ultimatemotion vector expression MMVD method, obtaining a target motion information candidate list based on the initial motion information candidate list; when the target motion information candidate list comprises the double-motion information, determining whether the double-motion information meets a first preset condition or not based on the precision of a motion vector included in the double-motion information; if the double-motion information meets a first preset condition, correcting the double-motion information according to a decoding end motion vector correction DMVR method to obtain corrected double-motion information; and encoding or decoding the image block based on the corrected dual motion information. Through the implementation mode, the MMVD technology and the DMVR technology arefused, the coding performance is improved, and the coding and decoding efficiency is effectively improved.

The invention discloses a dynamic video fitting system which is characterized by being provided with a model video image mechanism, a member fitting room, a fitting member information base, a video processor and a video player, wherein the model video image mechanism is used for storing model video image data; the member fitting room is used for storing names of fitting members; the fitting member information base is used for recording and storing the information of the fitting members; the video processor is used for calculating the information of the fitting members and the model video image data to generate fitting video data correlative to the information of the fitting members; and the video player is used for playing fitting video data images of the members by video. The dynamic video fitting system has the remarkable effects of exhibiting the dynamic video effect of a commodity for a consumer, changing body characteristics of models in the model video image data according to the condition of the consumer to accord with the body characteristics of the fitting members, adjusting a fitting video picture according to the condition of the consumer so as to enable the consumer to feel a true fitting effect, setting an independent fitting room and an independent information base for each family member and storing the body characteristic information of the family members.

The invention discloses a video watermarking method based on the key frame selection and safe spread spectrum technology. The method comprises the following steps: for a target video, randomly and uniformly selecting a plurality of key frames in a time domain; and extracting a host signal from the selected key frames through transformation operation, and for each selected key frame, embedding watermark information into a set distribution area by using a spread spectrum watermark algorithm. The invention provides the safe and robust novel video watermarking technology, so that the embedded watermarking information is more robust to some common video processing technologies, noise and exchange, insertion and discard of video frames, and other people can be prevented from erasing the watermarking.

The invention provides a video processing method and device, and the method comprises the steps: receiving a to-be-recognized video sent by terminal equipment, the to-be-recognized video comprising at least one operation behavior for target equipment; identifying a target video clip in the to-be-identified video according to the standard operation video, the target video clip comprising an abnormal operation behavior for the target device, and the standard operation video comprising a standard operation behavior for the target device; and sending the target video clip to terminal equipment. Compared with the prior art, the to-be-identified video is compared with the standard operation video to obtain the target video clip containing the abnormal operation behavior, then the target video clip is sent to the terminal equipment, and the abnormal operation behavior is sent to the terminal equipment for real-time display, so that the normativity of the operation behavior is judged and corrected, and thus the standardization of operation behaviors is improved.

The embodiment of the invention discloses an image processing method, an image processing device and a video processor. The image processing method comprises the following steps of: a determination step which is used for, according to the starting position and the ending position of the non-mask area of the to-be-processed image in the preset direction and the number of pixel points in each clockperiod, determining the point-by-point transparency of each pixel point in the preset direction, wherein the point-by-point transparency of at least one pixel point, located outside the non-mask area,of the to-be-processed image in the preset direction is determined to be transparent; and a masking step for applying the point-by-point transparency to each pixel point of the to-be-processed imagein the preset direction in an image superposition processing process. According to the embodiment of the invention, the effect of carefully shielding the image can be realized.

The invention provides a video imaging correction method based on odd-even positions, relates to the technical field of CCD detector video imaging correction, and solves the problem that the difference between a detector and odd-even channels of a video processor is difficult to correct by adopting a conventional radiometric calibration method in the prior art. The invention provides a video imaging correction method based on odd-even positions, and the method comprises the following steps: performing radiometric calibration in two times after power-on, respectively setting driving control signals of a detector at odd-numbered counting positions and even-numbered counting positions, and then distinguishing odd-even channels according to odd-even indication signals of accompanying data of a video processor; calibrating the difference of odd-even channels of the detector and the difference of odd-even channels of the video processor, and performing the calibration respectively. According to the method, the parity channels of the video processor are identified and corrected in the imaging processor, extra identification signals do not need to be added for output, and only parallel data and an accompanying clock need to be output.

The invention discloses a calculation method for block mass acquisition based on a neighborhood box, and the method comprises the following steps: S1, carrying out the preprocessing of a video, and obtaining a video image; s2, segmenting the video image into M small areas, and determining a seed point corresponding to each small area; s3, in a preset grid range, calculating the distances between the pixels and all the seed points, determining the seed points of pixel classification according to the distances, and constructing a block mass; and S4, updating the positions of the seed points until the positions of the seed points are located in the central area of the block mass. According to the invention, the image dimension is reduced; the method is advantaged in that the image is made tomore easily participate in calculation, some abnormal pixel points can be further removed, interference of the abnormal pixel points on extraction of the integral image characteristics is prevented, the block mass technology is further applied to video processing, change of similar blocks between frames can be compared, a block mass track is formed, and motion characteristics can be conveniently extracted.

Provided is a video processing device which converts an interlace signal into a progressive signal. The video processing device includes: an OSD synthesis unit (100) for combining the interlace signal with an OSD display such as a caption and a telop; a cinema detection unit (303) which compares video between different fields and detects pull-down regularity; a phase comparison unit (400) which compares the switching timing of the OSD display and the cinema video in accordance with the OSD synthesis signals (S200, S201, S202) indicating the OSD synthesis position by the OSD synthesis unit (100) and the pull-down regularity detected by the cinema detection unit (303); and an interpolation pixel generation unit (500) which generates a new pixel between the lines of the interlace signal by the interpolation method based on the detection result obtained by the cinema detection unit (303) and the comparison result obtained by the phase comparison unit (400).