7results about How to "Efficient decoding" patented technology

This invention discloses a differential VGA signal decoding and display device, relating to the display field. It includes a signal input module, an ESD protection module, a differential receiving module, a synchronization separation module, an image decoding driver module, a display module, an audio processing module, and a control module. These modules are interconnected and work together to decode, process, and display differential VGA signals. This differential VGA signal decoding and display device solves the problems of short transmission distance, weak anti-interference capability, limited resolution, and high power consumption associated with traditional VGA interfaces. It also achieves full compatibility with traditional VGA devices, integrating audio processing, local playback, intelligent signal enhancement, and remote monitoring and management functions. It achieves reliable conversion from analog to differential signals, supports high-definition display, and has a transmission distance of up to 50 meters, while maintaining full compatibility with traditional VGA devices. This technology is particularly suitable for professional fields such as industrial automation and medical imaging, meeting the diverse display and intelligent operation and maintenance needs of professional scenarios.

The present application relates to the field of computer vision, in particular to the subject matter of video processing and video encoding, and more particularly to a method, decoder, encoder and computer readable medium for video encoding using a machine learning model. According to a first aspect, a method of processing image and / or video data by a decoder is provided. The method includes continuously decoding a plurality of segments of an image or video. For one or more of the plurality of segments, the decoding comprises: decoding a corresponding encoded residual segment to obtain a decoded residual segment; generating predicted segments from respective reference segments using a machine learning model, wherein the respective reference segments are selected from one or more reference segments stored in a set of reference segments; generating a reconstructed fragment based on the prediction fragment and the decoded residual fragment; storing the reconstructed fragment in the reference fragment set; and updating parameters of the machine learning model based on the corresponding reference segments and the reconstructed segments.

This invention relates to the field of well logging technology, specifically to a demodulation device and control method for a traction device's communication signal. It includes a decoding circuit, an amplifier circuit, a demodulator, a second detection circuit, a second microprocessor, and a second controller. The input terminal of the decoding circuit is connected to the FSK signal output terminal of the surface control system; the output terminal of the decoding circuit is connected to the signal input terminal of the amplifier circuit; the signal output terminal of the amplifier circuit is connected to the signal input terminal of the demodulator; the digital signal output terminal of the demodulator is connected to the traction device's central processing unit; the status feedback signal output terminal of the demodulator is connected to the input terminal of the second detection circuit; the output terminal of the second detection circuit is connected to the input terminal of the second microprocessor; the output terminal of the second microprocessor is connected to the input terminal of the second controller; and the control signal output terminal of the second controller is connected to the control signal input terminal of the amplifier circuit. It can automatically adjust the amplification factor according to the signal strength, ensuring communication stability.

The application provides a high-efficiency covert channel attack and information leakage method based on multiple interrupt driving, which is called Compound-INT. Four stable and controllable interrupt types (rtc0, PMI (Performance Monitor Interrupts), MCP (Machine Check Polls), IWI (IRQ Work Interrupts), and TLB (TLB shootdowns)) are screened out by analyzing the / proc / interrupts interface in an operating system to construct an efficient covert channel. The method supports two transmission modes, single bit and multi-bit. Single bit realizes data coding by controlling the interrupt triggering frequency, and multi-bit combines synchronous and asynchronous transmission modes to improve bandwidth and anti-interference, and adapt to the complex conditions of a multi-core environment. In addition, the application realizes the leakage of the existence state of a target file in a restricted directory by using the PMI interrupt, and speculates the structure information of a deep neural network (DNN) model by using the TLB shootdowns interrupt mode, thereby expanding the application scenarios of the covert channel. Experimental results show that the method has high transmission rate, low error rate and strong robustness, and provides a new idea for the security research of the interrupt mechanism of an operating system.

The application discloses a behavior analysis method, system, device and medium based on multi-modal data. The method comprises the following steps: extracting a behavior label corresponding to each frame of image in animal behavior video data, and constructing a behavior label sequence; aligning a neuron calcium activity time sequence in a standardized neuron calcium activity time sequence dataset with the behavior label sequence, and obtaining an aligned structured data table; taking the aligned neuron calcium activity time sequence as a feature of a node, and constructing a weighted graph structure; training a cascaded graph convolution network, a graph sampling aggregation network and a graph attention network according to the weighted graph structure and the aligned behavior label, and obtaining a trained graph convolution network, a trained graph sampling aggregation network and a trained graph attention network, so as to perform behavior prediction on a neuron calcium ion fluorescence signal value to be predicted, and obtain a behavior prediction result. The application can improve the behavior analysis accuracy.

This invention provides a method and system for receiving SSI protocol data based on SPI, belonging to the field of data transmission. The method includes: configuring a microcontroller to enable its serial peripheral interface to perform data transmission using direct memory access; determining the target number of bytes based on the data acknowledgment response time length of the synchronous serial interface, the total number of effective bytes, and the baud rate of the serial peripheral interface, and determining a synchronization clock signal and data to be transmitted based on the target number of bytes; sending the synchronization clock signal and data to be transmitted to the synchronous serial interface through the serial peripheral interface, while simultaneously receiving data to be decoded sent by the synchronous serial interface, and storing the data to be decoded in a receive buffer; decoding the data to be decoded in the receive buffer when the number of bytes of data to be decoded in the receive buffer equals the target number of bytes. This invention allows the microcontroller to directly receive SSI protocol data, reducing hardware complexity and cost.

The invention discloses a design method based on configurable dual-bus message parallel decoding of a carrier rocket, and the method comprises the steps: firstly, generating bus message decoding configuration files of all levels of the carrier rocket according to a bus communication protocol of the carrier rocket; secondly, creating a plurality of bus message decoding units, binding corresponding rocket stages and bus CPU (Central Processing Unit) numbers, and reading bus message decoding configuration files of the corresponding stages; and finally, creating a bus message receiving unit, associating the bus message receiving unit with the bus message decoding unit with the same series, and establishing a one-to-many data distribution relationship. According to the invention, synchronous decoding of bus messages of all levels on the rocket is realized, and decoding requirements of rockets of different models can be flexibly met.