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317results about How to "Improve fusion efficiency" patented technology

System and method for intelligent vehicle map merging based on road side equipment

ActiveCN107063275AImprove perceptionExpand the range of environmental awarenessInstruments for road network navigationComputer moduleData acquisition
The invention relates to a system and a method for intelligent vehicle map merging based on road side equipment. The system comprises vehicle-mounted equipment and the road side equipment, wherein the vehicle-mounted equipment comprises a vehicle positioning module, an ADAS (automatic data acquisition system) map interface, a local map generation module, a DSRC (dedicated short range communication) communication module and a map conversion module; the road side equipment comprises a DSRC communication module and a map merging module; the vehicle positioning module of the vehicle-mounted equipment is used for detecting the position and attitude of a main vehicle; the ADAS map interface module is used for providing Id (identification) information of a road; the local map generation module is used for generating a local map of the current position of the main vehicle; the DSRC communication module is used for realizing the interaction between the vehicle and the road side equipment; the map conversion module is used for converting a merged map into a coordinate system of the main vehicle; the map merging module of the road side equipment is used for converting the local map of each vehicle received by the DSRC communication module into the coordinate system of the road side equipment, and merging. The system has the advantages that the sensing abilities of multiple vehicles are shared to widen the environment sensing range, and the assisted driving / automatic driving property of the intelligent vehicle is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Cell electrofusion chip device based on columnar microelectrode array and electrofusion method

InactiveCN101693875AHigh fusion throughputSolving this conundrum of mobilityHybrid cell preparationStress based microorganism growth stimulationElectricitySignal on
The invention provides a cell electrofusion chip device based on a columnar microelectrode array, which consists of a columnar microelectrode array chip, a printed circuit board and a flow passage control module. The columnar microelectrode array chip consists of a quartz substrate layer, a metal lead layer, a polymer insulated layer and a columnar microelectrode layer sequentially from bottom to top, wherein the metal lead layers of the columnar microelectrode array chip is electrically connected with the periphery printed circuit board in a bonding way, leads outside electrical signals onto a columnar microelectrode, and leads a gradient electric field with enough strength to be formed between adjacent columnar microelectrodes; and the flow passage control module covers the columnar microelectrode array chip. In the invention, by loading electrical signals on the columnar microelectrode, queue and fusion among cells are controlled; simultaneously, the superiority that the columnar microelectrode array benefits the flow of the cells in chamber-tracts is utilized for realizing continuous stream fusion of the cells; and with the combination of the design of the array columnar microelectrode, the continuous, high-efficient and high-throughput fusion of the cells in the device is realized.
Owner:CHONGQING UNIV

Hyperspectral and panchromatic image fusion method for extracting spatial features based on AAE

ActiveCN110533620AReduce spectral distortionSolve the lack of space enhancementImage enhancementImage analysisHyperspectral imagingImage resolution
The invention discloses a hyperspectral and panchromatic image fusion method for extracting spatial features based on AAE, which solves the problems of serious spectral distortion and insufficient spatial detail injection in the existing hyperspectral image fusion, and comprises the following implementation steps of: obtaining an image data set for preprocessing; constructing and training a hyperspectral image spectrum constraint adversarial auto-encoder network; extracting spatial features of the hyperspectral image; acquiring space details of the enhanced panchromatic image; fusing the spatial information of the hyperspectral image and the enhanced panchromatic image; constructing a gain matrix; and obtaining a hyperspectral image with high spatial resolution. Hyperspectral and panchromatic image space information is considered at the same time, deep space features are extracted through AAE, spectral loss is effectively reduced, and the space resolution is effectively improved. Simulation proves that the hyperspectral image fusion method is better in fusion index and visual effect space and spectral performance, better in space detail maintenance and more perfect in spectral information, and is used for hyperspectral image fusion processing.
Owner:XIDIAN UNIV

Infrared and visible light image fusion method based on salient objects

ActiveCN104700381AGuarantee the quality of fusionData volume reductionImage enhancementSalient objectsComputational model
The invention provides an infrared and visible light image fusion method based on salient objects. The infrared and visible light image fusion method based on the salient objects includes following steps: building nonlinear scale space representation for an infrared image and a visible light image which respectively comprise a plurality of objects in a given scene; using a visual attention computational model to compute visual attention salient maps of the infrared image and the visible light image based on the nonlinear scale space representation of the images; using a return inhibition mechanism to select salient object areas from the infrared image and the visible light image based on the visual attention salient maps of the infrared image and the visible light image, and computing all salient object areas in the whole scene; performing rectification operation on the infrared image and the visible light image, using a pixel level fusion algorithm to perform fusion treatment on the salient object areas, and using a feature level fusion algorithm to perform fusion treatment on non-salient object areas; generating a fusion image of the infrared image and the visible light image of the whole scene by synthesizing results.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

DSRC-based (dedicated short-range communications based) intelligent vehicle map fusion system and method

ActiveCN106969779AShared Context Awareness RangeIncreased range of environmental awarenessInstruments for road network navigationGeographical information databasesEngineeringCapacity sharing
The invention claims a DSRC-based (dedicated short-range communications based) intelligent vehicle map fusion system and method; the system comprises a vehicle positioning module, a local map generating module, a DSRC module, an ADAS (advanced driver assistance systems) map interface, a target vehicle screening module and a map fusion module; the vehicle positioning module is used for acquiring position and attitude of a main vehicle, the local map generating module is used for generating a local map corresponding to the current position of the main vehicle according to data of a vehicular sensor, the DSRC module is used for receiving position, attitude and local map information issued by a target vehicle within a communication range, and transmitting the position, attitude and local mpa of the main vehicle itself, the ADAS map interface module is used for providing protocols and interfaces to access an ADAS map, the target vehicle screening module is used for screening a target vehicle on the same lane as the main vehicle, and the map fusion module is used for fusing the local map of the main vehicle and that of the screened target vehicle to generate an extended local map of the main vehicle. The DSRC-based intelligent vehicle map fusion system and method can provide multi-vehicle sensing capacity sharing to extend the ambient sensing range, helping improve intelligent vehicle assisted driving/automatic driving performance.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Privacy protection multi-side diagnostic model fusion method and system, and cloud server

The present invention belongs to the technical field of information safety, and discloses a privacy protection multi-side diagnostic model fusion method and system, and a cloud server. The system comprises a credible mechanism, a cloud server and a medical center terminal. The credible mechanism completes system initialization to provide system parameters and secret key distribution for the medical center terminal and the cloud computing server, the cloud computing server stores encrypted data resources and fuse local diagnostic models to generate a global diagnostic model, the medical centerterminal generates the local diagnostic models, sends the local diagnostic models through encryption to the cloud computing server and is used for fusion computing task published by the cloud computing server, and the medical center terminal and the cloud computing server can perform bidirectional authentication in the service. The privacy protection multi-side diagnostic model fusion method and system, and the cloud server can achieve privacy protection of the local diagnostic models and case data resources of the medical center, can improve the system efficiency and can be used to provide convenient and private online medical service for users in the real life.
Owner:XIDIAN UNIV
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