369results about "Conversion by changing video signal frequency" patented technology

The invention relates to the technical field of image processing, in particular to a method for transmitting real-time pictures of ultrasonic equipment, which comprises the following steps of: acquiring an ultrasonic image through the ultrasonic equipment, dividing the acquired image into block images, and analyzing each block image by using a spatial information analysis model; the method comprises the following steps: identifying a key region and a non-key region in an image through a deep learning model, setting different compression strategies, performing time sequence analysis on acquired bandwidth data by using a bandwidth prediction model, and adjusting a compression ratio, a resolution ratio and a frame rate of the images of the key region and the non-key region according to a prediction result. According to the method, compressed image data is split into a plurality of data streams, a path with high transmission quality is preferentially selected for transmission, multi-stage reconstruction is performed on ultrasonic image data at a receiving end, an image of a key area is processed by using a super-resolution reconstruction algorithm, and high-frequency noise is removed by using a hierarchical denoising algorithm and a convolutional neural network. According to the invention, the real-time performance and reliability of image transmission are improved.

The invention discloses a panoramic video frame insertion method based on a potential diffusion model. The method comprises the following steps: compressing an input image to a potential space by using a panoramic perception vector quantization variational auto-encoder to obtain potential features; constructing initial noise, and fusing the motion features extracted by the panoramic optical flow adapter to obtain condition information; performing iterative denoising operation on the potential features of the intermediate frame to obtain final potential features of the intermediate frame; and restoring the final potential features of the intermediate frame into a frame insertion image of a pixel space through a condition decoder. According to the panoramic video frame interpolation method provided by the invention, the potential diffusion model and the panoramic characteristic enhancement technology are combined, so that the perception quality of a frame interpolation result can be remarkably improved, details and complex textures of a pole region can be better reserved, and a high-quality time interpolation solution is provided for immersive panoramic video application.

The invention relates to the technical field of digital twinning, particularly provides a digital twinning scene adaptive optimization method based on point cloud data, and solves the problems that smoothness and detail presentation cannot be balanced during network fluctuation, and a scene prediction optimization mechanism based on space-time semantic analysis is not established. The method comprises the following steps: data preprocessing and hierarchical construction: carrying out preprocessing of abnormal point elimination, missing value complementation and density adjustment on original point cloud data, dividing key and common regions according to scene requirements, and constructing a multi-scale and multi-resolution hierarchical point cloud data system; the method can deeply analyze the spatio-temporal dynamic characteristics of the point cloud data through the technologies of spatio-temporal dynamic semantic segmentation, dynamic change monitoring, prediction optimization and the like, processes the continuous time sequence point cloud data after adaptive transmission, models a time dependency relationship and extracts local and global characteristics in time and space dimensions respectively, and improves the accuracy of point cloud data processing. Accurate identification of object types, positions and dynamic change information is realized.

The invention discloses a real-time video processing system based on an ampere-path FPGA. The real-time video processing system comprises an SD card, an ampere-path FPGA board card and an HDMI displayer. The SD card is used for storing original video data in a Bayer format; the A-path FPGA board card comprises an FPGA end and an ARM end, the FPGA end comprises an SD card reading control module, an image cache FIFO module, a Bayer-to-RGB module, a seven-in-one image processing module, an SDRAM read-write control module and an HDMI display control module, the first four modules are connected in sequence, and the SDRAM read-write control module is connected with the Bayer-to-RGB module, the seven-in-one image processing module and the HDMI display control module; wherein the ARM end comprises a Cortex-M0 processor core, an AHBLiite-Interconnect data bus and all peripheral interfaces, and all the modules are connected in sequence; the ARM end comprises a Cortex-M0 processor core, an AHBLiite-Interconnect data bus and all the peripheral interfaces; the ampere-path FPGA board card is used for completing all video processing functions; and the HDMI display outputs the processed video. The method is good in video processing effect, low in resource consumption, high in flexibility, high in stability and low in hardware cost, and the hardware is 100% localized.

The invention relates to the technical field of optical communication, in particular to an automobile headlamp communication system and method based on image frame interpolation, comprising a transmitting end and a receiving end, a vehicle-mounted central control system of the transmitting end is used for receiving input to-be-transmitted information, and an ambient light detection module evaluates an external illumination condition in response to the input of the to-be-transmitted information; an image gray value and frame insertion frequency are set based on the illumination intensity, the image coding module codes information to be transmitted based on the set image gray value to generate a projection image frame, and the projection module inserts the projection image frame into a normal illumination frame sequence of a vehicle lamp based on the frame insertion frequency and projects the projection image frame to an external environment; the image acquisition module of the receiving end is used for acquiring a projection image frame, the image decoding module preprocesses the projection image frame and then decodes the projection image frame, and the information to be transmitted is restored and sent to the vehicle-mounted central control system. According to the invention, vehicle lamp communication at a certain distance in a traffic environment can be realized on the premise of ensuring normal vehicle lamp illumination.

A system for generating motion blur comprises: a frame camera, an event camera and an accumulator for accumulating event information from a plurality of events occurring within a window around the exposure time of an image frame in a plurality of event frames. A processor determines from the events in at least a first of the plurality of event frames, one or more areas of movement within the field of view of the event camera; determines from the events in at least a second of the plurality of event frames, a direction of movement for the one or more areas of movement; and applies blur in one or more areas of the image frame corresponding to the one or more determined areas of movement in accordance with at least the direction of movement for each of the one or more areas of movement to produce a blurred image.

An example device for upconverting video data includes a memory configured to store video data; and a processing system comprising one or more processors implemented in circuitry, the processing system being configured to: determine an amount of motion between a region of a first frame of the video data and a corresponding region of a second frame of the video data; determine a number of frames to interpolate between the first frame and the second frame according to the amount of motion; and interpolate the determined number of frames to upconvert the video data.

The invention belongs to the technical field of image processing, and particularly relates to a binocular camera low-delay synchronization method, which comprises the following steps of: respectively establishing data queues for a main view acquisition stream and an auxiliary view acquisition stream, and acquiring an acquisition frame with an acquisition time identifier from the data queues; taking an acquisition moment identifier of a certain acquisition frame in the main view acquisition stream as unified target time; on the basis of at least two acquisition frames in a unified target time neighborhood in the auxiliary view acquisition stream, a re-projection auxiliary view frame in the unified target time is generated by executing a cross-view stream time re-projection algorithm; and taking an acquisition frame in the main view acquisition stream as a reference acquisition frame, forming a time synchronization frame pair together with the re-projection auxiliary view frame, and outputting the time synchronization frame pair. According to the method, the synchronization precision and stability are improved under the low-delay condition, the hardware dependence and the storage overhead are reduced, and the method has the advantages of being high in real-time performance, high in adaptability, easy to implement and good in expandability.

The invention discloses a high-definition video docking station device, an integrated system and a communication method. The device comprises a main control module, a protocol conversion module, a power management module, a video processing module, a dynamic bandwidth allocation unit, a plurality of video output interfaces and a peripheral expansion unit. The main control module receives an input video signal and performs shunting, compression and protocol analysis; the protocol conversion module manages interface protocol switching, equipment detection and power supply negotiation; the power management module converts input voltage into multi-stage system voltage and provides a reverse charging function; the video processing module is used for splitting an input video signal into multiple paths of independent video streams and reducing the bandwidth; the dynamic bandwidth allocation unit is used for dynamically adjusting the resolution or refresh rate of the video stream; and the peripheral expansion unit is connected with the low-speed peripheral through the independent data channel. The device supports three paths of 4K and 60Hz synchronous output, has high energy efficiency, intelligent bandwidth management and good compatibility, and is suitable for multi-screen cooperation, industrial control and high-resolution display application scenes.

The invention discloses an active prevention measure and system based on individual emergency protection. The method comprises the steps of hardware module integration and test, core function logic development, cloud system architecture construction, power supply and industrial design and system integration and compliance authentication. The invention belongs to the technical field of campus safety, and particularly relates to an active prevention measure and system based on individual emergency protection, and the scheme adopts a magnetic latching relay to realize physical disconnection, adopts a dual authentication process, sets a one-way communication system, and carries out dynamic sound pressure adjustment based on environmental noise; an end-to-end encryption channel is developed, a double-encryption mode is adopted, a dynamic fragmentation storage technology is applied, an encryption channel is established, key exchange and video fragmentation hash verification are adopted, an equipment state vector is defined, and a 3D convolutional neural network is adopted to identify violent behaviors.

The invention belongs to the technical field of image acquisition, and discloses a field image acquisition method and system. The method comprises the following steps: acquiring real-time field images and videos by using an edge computing gateway, and extracting a plurality of real-time key frame images; image segmentation is carried out, and the real-time attention of the real-time image area is obtained; lossless compression and dynamic encryption are carried out; collecting real-time network quality data of the transmission network, and generating a real-time data transmission strategy; uploading the plurality of encrypted real-time image compression packets to a cloud data center according to a real-time data transmission strategy; and restoring the plurality of encrypted real-time image compression packets of each real-time foreground image by using the cloud data center to obtain a restored real-time field image video. According to the invention, the problems of low data transmission efficiency, insufficient security, centralized processing bottleneck, high energy consumption and poor transmission reliability in the prior art are solved.

An electronic device includes: a frame rate conversion (FRC) circuit configured to perform image quality processing and FRC; memory storing one or more instructions; and at least one processor configured to execute the one or more instructions to: identify whether a picture adjustment mode is enabled or disabled, based on a quick media switching (QMS) mode being enabled; determine whether to bypass the FRC circuit, based on whether the picture adjustment mode is enabled or disabled; and based on determining whether to bypass the FRC circuit, perform control to process an input image based on the FRC circuit or based on bypassing the FRC circuit.

Aspects presented herein relate to methods and devices for display processing including an apparatus, e.g., a GPU or a CPU. The apparatus may obtain a first frame and a second frame of a plurality of frames in a scene. The apparatus may also calculate a set of first motion vectors in the first frame and a set of second motion vectors in the second frame, where the set of first motion vectors and the set of second motion vectors are calculated based on a block matching procedure. Further, the apparatus may estimate at least one third frame in the plurality of frames based on the set of first motion vectors in the first frame and the set of second motion vectors in the second frame, where the at least one third frame is subsequent to the second frame in the plurality of frames.

Disclosed herein is zero-latency switching between two resolution and frame rate modes. The system includes receiving a trigger to switch a video data stream of frames between a first resolution and frame rate mode and a second resolution and frame rate mode. The system also includes switching, in response to the trigger, the video data stream between the first resolution and frame rate mode and the second resolution and frame rate mode, wherein a total horizontal pixel width of each frame of the video data stream in the first resolution and frame rate mode and of each frame of the video data stream in the second resolution and frame rate mode are the same, wherein a pixel clock rate of the video data stream in the first resolution and frame rate mode and the video data stream in the second resolution and frame rate mode are the same.

Systems and techniques are described herein for interpolating image data. For instance, a method for interpolating image data is provided. The method may include processing a first image frame and a second image frame using a motion estimator to generate first motion vectors, wherein the motion estimator comprises a machine-learning model trained to generate motion vectors based on image frames; projecting the first motion vectors to generate second motion vectors; and generating a third image frame based on the first image frame, the second image frame, and the second motion vectors.

Methods and systems are herein provided for judder adjustment. In one example, a system comprises a display device configured to display scenes of a major motion picture and a user interface; and a computing device including a processor communicatively coupled to the display device, wherein the computing device is configured to execute instructions stored in non-transitory memory that, when executed cause the processor to obtain and display a scene within the user interface, interpolate frames for one or more of a plurality of input frames of the scene based on a selected judder angle, wherein the selected judder angle is selected via an adjustable dial of the user interface; and display the scene with a perceived judder resulting from the interpolated frames.

The embodiment of the invention discloses a video processing method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of video processing, and the method comprises the steps: judging whether a to-be-played video meets a preset image quality enhancement condition or not at a decoding stage of the to-be-played video; if the image quality enhancement condition is satisfied, carrying out resolution enhancement on the to-be-played video; performing local color monitoring on the enhanced to-be-played video to obtain a monitoring result; and performing local color enhancement or dynamic frame insertion processing on the video to be played according to the monitoring result. Therefore, the display effect of the low-resolution video can be remarkably improved in the decoding stage, improvement is carried out in the aspects of resolution, color, frame rate and the like, parameters such as resolution, color, frame rate and the like are dynamically adjusted, and the display effect of the low-resolution video is improved.

This disclosure provides systems, methods, and devices for image processing that support improved image quality. In a first aspect, a method of image processing includes determining a scene condition for an image sensor of an image capture device; receiving motion data regarding movement of the image capture device; configuring the image sensor of the image capture device with a first image sensor configuration determined based on the motion data and the scene condition; receiving image data from the image sensor captured with the first image sensor configuration; and determining a video sequence by processing the image data based on the motion data and the scene condition. Other aspects and features are also claimed and described.

The invention provides an image resolution adjusting method and an electronic device. The method comprises the following steps: running a target application program to obtain a target image with a first resolution based on a first frame rate; selecting a target memory from the plurality of buffer memories according to the utilization rate of each of the plurality of buffer memories during the running of the target application program; processing the target image through an image processing model and a target memory to adjust the resolution of the target image from the first resolution to a second resolution, the second resolution being higher than the first resolution; and controlling the display interface to present the target image with the second resolution based on the first frame rate. Therefore, the user experience and the image processing efficiency of the electronic device can be effectively improved.

A device for image processing includes an image sensor configured to capture a first set of image frames; a buffer configured to store information indicative of luminance of each image frame of the first set of image frames; and processing circuitry configured to: retrieve, from the buffer, the information indicative of luminance of each image frame of the first set of image frames; determine a flicker correction parameter based on the luminance across each of the first set of image frames; and generate additional image frames that are for display based on the flicker correction parameter.

Aspects presented herein relate to methods and devices for display processing including an apparatus, e.g., a CPU or a DPU. The apparatus may monitor at least one display task associated with a set of display software threads. The apparatus may also detect that a loading time of the at least one display task is less than a loading time threshold or that a panel frame rate is less than a frame rate threshold. Further, the apparatus may obtain a first configuration for at least one thread of the set of display software threads and a second configuration for the at least one thread. The apparatus may also adjust an execution of the at least one display task from being associated with the first configuration for the at least one thread to being associated with the second configuration for the at least one thread.

Positions of an image capture device may be used to determine a position-based time-lapse video frame factor. Apparent motion between pairs of images may be used to determine a visual-based time-lapse video frame rate factor. A time-lapse video frame rate for a time-lapse video may be determined based on the position-based time-lapse video frame factor and the visual-based time-lapse video frame rate factor.

Embodiments of the disclosure relates to a method and apparatus for adjusting the speed of multimedia clip, a device and a medium. The method includes: on an audio and video editing track, segmenting a multimedia material fragment into a plurality of segments; in response to a moving operation on a first control point, adjusting a speed change value according to the position of the first control point on the editing track, and controlling the speed of the video frame in the target segment to change according to the adjusted speed change value; adjusting the display length of the target segment on the editing track according to the playback duration after the speed change; in response to a moving operation on a second control point, adjusting the slope of the speed curve according to the position of the second control point on the target segment, and controlling the speed of video frames in the target segment to change in speed according to the speed curve after the slope adjustment.

The invention relates to a method for acquiring frames using a plurality of detection channels (CH1, CH2), comprising the steps of: acquiring first frame data using a first detection channel (CH1) in a first acquisition mode, and acquiring second frame data using a second detection channel (CH2) in a second acquisition mode, wherein the first frame data and the second frame data are acquired in respective mutually alternating acquisition sequences (Smn) of the respective acquisition series (EF1, EF2). The invention is characterized in that the duration of the acquisition sequence (Smn) of the acquisition series (EF1, EF2) is selected differently for each detection channel (Ch1, Ch2), the duration of the acquisition sequence (Smn) in one acquisition mode differing from the duration of the acquisition sequence (Smn) of at least one further acquisition mode by at least a duration of a single frame acquisition. The invention also relates to an optical device for acquiring a frame using a plurality of detection channels (Ch1, CH2).

The invention relates to the technical field of image communication, in particular to an image processing system and method based on an FPGA, and the system comprises a data stream synchronization module which obtains a video frame and a timestamp through the FPGA; in the invention, the data stream synchronization ensures the matching of the video frame and the timestamp, the stability of the video stream is optimized, the image error caused by time dislocation is reduced, and the accuracy of video analysis is improved. And the transmission priority of the data packet is dynamically set, and the transmission strategy is adjusted according to the importance of the content, so that bandwidth resources are effectively utilized, the priority transmission of key information is ensured, and the overall efficiency and response speed of network transmission are improved. According to the adaptive coding, the coding bit rate and frame rate are dynamically adjusted according to the network condition, the adaptability of the data stream to different network conditions is optimized, and the balance between the video quality and the transmission efficiency is kept. Through the enhancement of image brightness, contrast adjustment and noise suppression, the image quality in a low-light environment is improved, and the availability and viewing experience of the image are improved.

The invention provides a video monitoring frame insertion method and device, computer equipment and a storage medium, and belongs to the field of video monitoring frame insertion, and the method comprises the steps: extracting a plurality of key frames in a historical video; the method comprises the following steps: replacing the attention WA of a window in a SwinCS module of a Transform network with a cross-scale window attention mechanism CSWA, forming a multi-frame synthesis module Multi-SynBlock through kernel estimation, mask estimation, offset estimation, deviation estimation and a deformable convolution module, and forming a multi-scale pin model through the improved Transform network and the Multi-SynBlock network; a key frame in a historical video is used as input, a multi-scale pin model is trained, and an intermediate frame at any time position is generated. According to the frame insertion algorithm, the frame rate of coal mine video monitoring can be effectively improved, motion blur and picture tearing are reduced, clearer and smoother monitoring pictures are provided, and the efficiency and response speed of coal mine safety management are improved under the conditions of low cost and no increase of operation load.

To provide a dynamic image display device capable of further accurately comparing dynamic images of different frame rates.SOLUTION: A dynamic image display device (a diagnostic console 3) includes a dynamic image acquisition unit (a control unit 31) for acquiring a first dynamic image captured at a first frame rate and a second dynamic image captured at a second frame rate lower than the first frame rate, an interpolated image generation unit (the control unit 31) for generating an interpolated image between respective frame images of the second dynamic image and increasing a frame rate of the second dynamic image, and a display unit 34 for displaying the first dynamic image and the second dynamic image including the interpolated image in a comparable manner.SELECTED DRAWING: Figure 1

In various examples, systems and methods are disclosed that perform motion detection across image frames, such as optical flow determination, to synchronize an asynchronous frame with respect to a target time for the asynchronous frame. For example, image frames from a sensor can be processed by an optical flow accelerator to detect displacement across the image frames, and the displacement can be used to interpolate a modified frame at the target time. This can be used to perform data collection and combining operations such as stitching and / or reconstruction. The synchronization can be performed from sensor data from sensors such as cameras, LIDAR sensors, and / or RADAR sensors.