16 results about "Content awareness" patented technology

The invention discloses a heart valve segmentation method based on edge and important content perception, which adopts an encoder and decoder architecture and comprises the following steps of: firstly, transmitting a heart CT (Computed Tomography) image into the first three layers of encoding stages of an encoder; in each coding stage, multi-direction edge information and local shape features are extracted through a mixed feature enhancement module constructed by a multi-direction learnable Sobel convolutional layer and a standard convolutional layer; then, the local features are transmitted to the last two layers of coding stages; and finally, respectively transmitting each coding feature into a corresponding decoding stage for decoding so as to generate a heart valve segmentation result. According to the method, a staged and progressive feature coding mode is designed, multi-direction edge and local shape features of the heart CT image in the shallow coding stage and important content information of the heart CT image in the deep coding stage are effectively learned, and important details of the heart valve are learned, so that the segmentation effect is better improved, and the segmentation efficiency is improved. And a certain technical support is provided for the diagnosis requirements of clinicians.

The invention provides a content awareness and intelligent routing document analysis method and device, equipment and a medium, and relates to the technical field of artificial intelligence and natural language processing. The method comprises the steps of performing content perception on a to-be-recognized multi-modal document, and extracting a multi-dimensional feature vector of each page of the to-be-recognized multi-modal document; a preset routing decision model is adopted to route the multi-dimensional feature vectors, and a document analysis tool of each page of document is determined; carrying out statistics on document analysis tools of multi-page documents of the to-be-identified multi-modal document to obtain analysis page numbers of the document analysis tools; according to the analysis page number of each document analysis tool, calling each document analysis tool to analyze a document corresponding to the analysis page number to obtain a local analysis result; and integrating all the local analysis results to generate a target analysis result of the to-be-identified multi-modal document. According to the method, the selection and use threshold of a document analysis tool can be reduced, and the efficiency, quality and automation degree of document analysis are improved.

The invention discloses an edge computing-oriented ultra-high-definition video dynamic concentration and lightweight transmission system, and provides a lightweight transmission mechanism based on content awareness and closed-loop feedback. The system performs frame-level motion detection and semantic analysis on a video stream at an edge node, extracts motion intensity, object density and key event characteristics, dynamically calculates a concentration factor in combination with task priority, realizes intelligent retention of key frames and cutting of redundant frames, and generates a concentrated video stream; meanwhile, the coding rate is adaptively adjusted according to the real-time uplink bandwidth, and transmission parameters are optimized through a bandwidth-quality tradeoff function; a receiving end evaluates the actual quality and feeds back the actual quality to an edge node, and dynamically adjusts a concentration and coding strategy to form closed-loop control of sensing-concentration-transmission-feedback; the system is suitable for a large-scale intelligent video analysis scene, the bandwidth occupation and the storage overhead are remarkably reduced, and the system response efficiency and the key information retention rate are improved.

This application discloses a WAL log compression method, device, and medium under PostgreSQL streaming replication, belonging to the database field. The method includes: reading configuration parameters and establishing a streaming replication connection when the master database starts up, obtaining network I / O load values ​​in real time, and calculating the predicted WAL log generation rate based on the transaction processing rate to estimate future bandwidth requirements. When the network I / O or predicted bandwidth requirements reach a preset threshold, samples of the original WAL log data are extracted and compared using multiple algorithms for rapid compression. The optimal compression algorithm is dynamically selected for adaptive compression processing, and the corresponding compression flag field is set; otherwise, the data is transmitted directly in an uncompressed manner. The standby database completes the corresponding decompression or direct writing by parsing the compression flag field. This invention achieves a dynamic balance between network bandwidth and CPU resources through a dual mechanism of load prediction and content awareness, effectively reducing master-standby replication latency and improving the adaptability and overall operating efficiency of the streaming replication system in complex production environments.

The invention discloses a content-aware adaptive image coding system and method for a VLM, and aims to solve the semantic cutting problem in high-resolution image processing and improve the efficiency. The system comprises a content awareness slicing module, a parallel visual coding module and a feature aggregation and fusion module, the content awareness slicing module recognizes a key semantic region in an image through a lightweight pre-analysis model and executes a self-adaptive slicing algorithm to generate image slices which are variable in size and length-width ratio and possibly partially overlapped, and the feature aggregation and fusion module carries out feature fusion on the image slices. The semantic integrity is reserved to the maximum extent; the parallel visual coding module uses a frozen pre-training standard visual encoder to process the slices, and efficient feature extraction is realized through size adjustment and slight interpolation position coding; the feature aggregation and fusion module integrates features of all slices and spatial position information thereof by using an attention mechanism, outputs globally unified image feature representation, and retains high-resolution details and overall layout.

The invention relates to the technical field of computers, discloses an adaptive resolution and code rate video transcoding control method, and aims to solve the problems of lagging, image quality reduction, overhigh energy consumption and the like caused by network response lag, parameter decoupling control and neglecting of equipment state in the prior art. The method comprises the following steps: periodically acquiring network state, video content and equipment physical state data; predicting a future bandwidth by using a linear Kalman filter; extracting video space domain and time domain complexity features in real time; mapping a resource constraint level according to the equipment temperature and the electric quantity; and in a pre-established code rate-resolution-quality multi-dimensional model, combining the multi-dimensional information to solve an optimal transcoding parameter combination, and driving a transcoding engine to execute. According to the method, dynamic balance of fluency, image quality and energy efficiency is realized through collaborative optimization of millisecond-level bandwidth prediction and content awareness and equipment adaptive protection.

The invention discloses an image super-resolution method of a lightweight mixed path model based on content awareness, and the method comprises the following steps: providing matched recovery paths for different types of image degradation by introducing a grouped multipath strategy; in combination with a content awareness mechanism, processing branches are adaptively selected according to image region complexity, and refined reconstruction of a complex region and efficient processing of a simple region are realized; a progressive calibration module is further adopted, the fusion process of simple and complex region features in the content perception module is optimized, artifacts are reduced, and reconstruction consistency is improved. According to the method, the image super-resolution reconstruction quality in a real complex degraded scene can be remarkably improved on the premise of keeping relatively low calculation overhead, and the method is suitable for the fields of remote sensing image enhancement, medical image analysis, high-definition display and the like.

The invention provides a multi-scale image convolution image classification method and system based on weight suppression, and the method comprises the steps: firstly introducing depth separable convolution to replace cavity convolution, and redesigning a combination mode of different scale features to obtain improved multi-scale features; secondly, a weight suppression mechanism is introduced to weaken class activation of irrelevant classes, and the class activation is multiplied by the improved multi-scale features to generate a new content awareness vector; and finally, inputting the content perception vector into a double-graph convolution fusion embedded network for final classification. Experimental results show that the precision of the provided model is improved on MS-COCO and VOC2007 data sets, and it is proved that the improved model has better performance.

The invention relates to the field of computer vision and target detection, and particularly provides an improved method combining receptive field convolution and content perception features for rotating small target detection based on a convolutional neural network. According to the method, aiming at a traditional YOLOv11OBB network, an improved C3K2 module (C3K2-RE) and a content awareness feature recombination up-sampling module (CARAFE) are introduced, so that the small target detection precision and robustness are improved. Specifically, a convolutional layer in the YOLOv11OBB is replaced by a C3K2-RE module. The module fuses receptive field attention convolution (RFAConv) and efficient multi-scale attention (EMA), strengthens the feature extraction capability, and optimizes the detection effect of a rotating small target in a remote sensing image. Meanwhile, an up-sampling module of a network check part is replaced by a CARAFE module. As a lightweight efficient up-sampling scheme, the CARAFE generates the weight of each position through content awareness, the features are weighted and recombined by a predefined region, and up-sampling is completed through rearrangement of multiple groups of weights, so that details are effectively reserved, the reconstruction quality is improved, and the output is clearer and more accurate.

The invention discloses an image defogging model training method and an image defogging processing method and device. The image defogging model training method comprises the following steps: acquiring a training sample set and a sample label set; an initial network model is constructed, and the model at least comprises M Transformer modules which are used for carrying out global context feature extraction on the foggy image and are combined with content perception and recursive interaction, and a multi-scale frequency domain attention module which is used for carrying out frequency domain feature extraction on global context feature maps output by the M Transformer modules which are combined with content perception and recursive interaction, m is a positive integer; and performing iterative training on the initial network model by using the training sample set and the sample label set to obtain an image defogging model. The image defogging method and device solve the technical problem that the defogged image is poor in quality due to the fact that a related image defogging model is poor in capability of processing a low-frequency foggy part and recovering high-frequency details.

The invention relates to a target detection method based on dynamic content perception and frequency domain information enhancement, and the method comprises the following steps: constructing a target detection model to carry out the target recognition of a to-be-detected image, and obtaining a target detection result; the target detection model comprises a backbone network used for performing multi-scale feature extraction on a to-be-detected image to obtain a plurality of backbone features of different scales; the neck network is used for constructing a dual-path aggregation structure to perform feature fusion on the trunk features of different scales, introducing an up-sampling module based on dynamic content awareness to perform up-sampling operation, and performing frequency domain information enhancement when deep fusion features are generated; and the head network is used for generating a target detection result according to the deep fusion features. According to the method, the small target feature expression capability can be effectively enhanced on the premise that computing resources are not remarkably increased.

The invention relates to a video coding method and device, electronic equipment, a storage medium and a program product. The video coding method comprises the following steps: sampling continuous frames in a video stream to be processed to obtain sampled frames and non-sampled frames; performing ROI (Region of Interest) detection on the sampling frame based on touch driving and / or content awareness, and identifying an ROI in the sampling frame; carrying out multiplexing or fine tuning on the ROI region through lightweight inter-frame difference analysis and ROI state judgment in a non-sampling frame; when video encoding processing is performed, the ROI region and the non-ROI region in the sampling frame and the non-sampling frame are encoded in a distinguished manner. According to the invention, the video quality of the key area can be guaranteed, and the overall calculation and coding overhead can be obviously reduced.

The invention discloses a clipboard synchronization method, system and device, a storage medium and electronic equipment, and relates to the technical field of cloud computing, firstly, when an application program in a cloud mobile phone instance calls a clipboard interface, the calling operation of the clipboard interface is intercepted; obtaining clipboard content corresponding to the calling operation and an identity label of the cloud mobile phone instance; querying a preset synchronization strategy based on the identity identifier, and determining one or more target devices; and synchronizing the clipboard content to the target device. Compared with the prior art, the method has the advantages that the synchronization coverage rate of clipboard content is increased by performing system-level interception on clipboard interface calling, querying the synchronization strategy in combination with the cloud mobile phone instance identity identifier and executing directional synchronization; and furthermore, through organic combination of identity recognition, strategy query and a content synchronization process, basic support is provided for introduction of mechanisms such as content awareness, intelligent filtering and network self-adaption, so that the network self-adaption capability in a clipboard synchronization process is improved.

The invention discloses a self-adaptive fixation point display method and system based on content awareness and user calibration, and the method comprises the steps: carrying out the calibration of a visual attention range when the system is started for the first time, and obtaining the individualized initial fixation area parameters of a user; the position of a fixation point is obtained in real time through an eye movement tracking module, and eyeball movement states are classified; identifying a content semantic category of the current display picture; according to the content semantic category and the initial fixation area parameters, dynamically determining geometric parameters of the high-fidelity rendering area; executing rendering operation for reducing power consumption outside the high-fidelity rendering area; and monitoring content change in the area, and when key non-periodic change is detected, performing temporary vision enhancement operation on the changed area. According to the method, the clear display area can be dynamically adjusted according to the screen content and the personalized visual features of the user, significant energy saving is achieved, meanwhile, it is ensured that the user does not miss important information through an intelligent visual enhancement mechanism, and display efficiency, power consumption control and user experience are considered.

The invention discloses a multi-dimensional data analysis task adaptive arrangement method supporting incremental calculation and resource awareness scheduling. Comprising the steps of receiving a multi-dimensional data analysis request, constructing a task dependency graph, realizing an incremental calculation identification mechanism based on content awareness, realizing a hierarchical scheduling architecture, realizing an intelligent rescheduling mechanism, realizing adaptive check point management, realizing a closed-loop self-optimization mechanism and the like. Through the synergistic effect of incremental calculation and self-adaptive scheduling, redundant calculation is reduced, the response time of a complex analysis task is shortened from the hour level to the minute level, the resource utilization rate and the system throughput of a large-scale calculation cluster are improved, and the method is suitable for application scenes needing frequent and repeated analysis such as industrial big data analysis, energy monitoring and business intelligence.

The invention discloses an application program cross-version synchronization method and device, equipment and a storage medium, and relates to the field of software test.The method comprises the steps that when it is detected that a first code library receives an uploaded first version application program code, at least one second code library in a synchronization relation with the first code library is determined; when code library synchronization triggering conditions are met, the first version application program code is synchronously sent to at least one second code library, and the synchronization triggering conditions comprise a time triggering condition and a content awareness triggering condition; and storing the first version of application program code to a second code library which does not conflict with the first version of application program code. According to the scheme provided by the invention, the version extracting efficiency of the application program codes is improved.