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31results about How to "Diversity" patented technology

A road image semantic segmentation method based on a hybrid automatic encoder

The invention discloses a road image semantic segmentation method based on a hybrid automatic encoder. The road image semantic segmentation method comprises the following steps of (10) sample set collection of dividing sample set images into a training set and a test set; (20) sample image preprocessing of performing size transformation and contrast normalization processing on the sample set images, and converting the sample set images to be processed into a standard form; (30) acquiring a hybrid automatic encoder network model, respectively training a sparse automatic encoder and a de-noisingautomatic encoder by utilizing the preprocessed training sample, extracting an intermediate encoding weight value and an intermediate decoding weight value, and constructing the hybrid automatic encoder network model by establishing a reasonable model arrangement sequence and a stacking form; and (40) performing road semantic segmentation, performing semantic segmentation on a road image shot bythe vehicle-mounted camera by using the hybrid automatic encoder network model. According to the invention, through a stacking form of the hybrid automatic encoder, the optimization description of image semantics is realized, a concise and effective semantic segmentation model is established, and better road semantic segmentation performance is obtained.
Owner:ARMY ENG UNIV OF PLA

Path planning method and system for self-driving of autonomous system

The present invention provides a path planning method and system for self-driving of autonomous system, and relates to the technical field of autonomous systems. The method comprises following steps of: acquiring a path optimization function of an agent; converting, based on fixed-point theorems, the path optimization function of the agent into an equivalent fixed-point equation; acquiring a complete simplex sequence based on the fixed-point equation; and, determining, based on the complete simplex sequence, an initial population size and an initial position of particles for particle swarm optimization to obtain the best path planning of the agent. In the present invention, the extremal optimization of the path optimization function of the agent is converted into solving of the fixed-point equations, and initial parameters for particle swarm optimization are determined by the complete simplex sequence.
Owner:HEFEI UNIV OF TECH

Virtual studio system, virtual studio implementation method and device, equipment and medium

The invention relates to a virtual studio system, a virtual studio implementation method and device, equipment and a medium, relates to the technical field of virtual live broadcast, and can be applied to a virtual live broadcast scene of an electric competition. The system comprises: a video subsystem which is used for obtaining a virtual scene picture and a real studio picture and performing video synthesis processing according to the virtual scene picture and the real studio picture so as to generate an initial output video, wherein the virtual scene picture is generated based on the virtual scene model; an audio subsystem which is used for acquiring initial audio data corresponding to the initial output video and performing audio integration processing on the initial audio data to obtain output audio; and a synthesis subsystem which is used for performing audio embedding processing on the output audio according to the initial output video to generate an output video. According to the invention, virtual studio can be carried out based on the virtual scene, so that the live broadcast picture is richer, the live scene construction in the live broadcast activity of the traditional electric competition can be reduced, and the cost is saved.
Owner:GUANGZHOU BOGUAN TELECOMM TECH LTD

Method of calculating contact force of knee joint by artificial fish swarm algorithm in fusion with random forest algorithm

InactiveCN110123317AImprove global convergenceEven and stable population distributionArtificial lifeSensorsData setLinear relationship
A method of calculating contact force of a knee joint by artificial fish swarm algorithm in fusion with random forest algorithm comprises acquiring experimental data, preprocessing experimental data,optimizing gait parameters, performing integrated learning on a gait parameter set, constructing a training and verification model of gait parameter and knee joint contact force data, and establishinga nonlinear relationship between the gait parameters and knee joint contact force. On basis of acquiring a patient's gait parameters, the acquired parameters are optimized through the modified artificial fish swarm algorithm; a data set under the optimal parameters is subjected to integrated learning according to the random forest algorithm; the nonlinear relationship between the gait parametersand the knee joint contact force is acquired finally. The method is suitable for accurately constructing the linear relationship between gait parameters and knee joint contact force; implanting sensors directly in the human body by surgeons is avoided; invasion to the human body is lessened. The method is suitable for calculating the magnitude of contact force of the knee joint in real time, and basis can be provided for rehabilitation doctors to provide postoperative rehabilitation treatment.
Owner:EAST CHINA JIAOTONG UNIVERSITY

SMC composite material and preparation method thereof

The invention provides an SMC composite material which comprises the following components in parts by mass: 350 parts of mixed resin, 432 parts of a mixed additive, 650 parts of mixed filler, 8 parts of a thickener, 5 parts of a curing agent and 360 parts of a reinforcing material, wherein the mixed resin is a mixture calculated according to the following parts by mass: 200 parts of unsaturated polyester resin, 90 parts of modified methyl methacrylate and 50 parts of polystyrene; the mixed additive is a mixture which is prepared from the following components in parts by mass: 6.5 parts of a solvent-free wetting dispersant, 10 parts of a wetting dispersant, 15 parts of a release agent, 0.5 part of p-benzoquinone and 400 parts of an ultraviolet light absorber; the mixed filler is a mixture which is prepared from the following components in parts by mass: 400 parts of aluminum hydroxide and 250 parts of calcium carbonate. The SMC sheet prepared by the method can be directly sprayed with paint or bonded and compounded without polishing when being used for producing molded products, sprayed with paint or bonded and compounded with other products. Through optimized combination of the fiber length, the strength of the molded product is improved, and through optimized combination of aluminum hydroxide and calcium carbonate, the flame retardant effect of the SMC sheet is guaranteed.
Owner:HENGSHUI YOUJIETE PETROLEUM EQUIP TECH CO LTD

Three-dimensional microelectrolysis bio-contact oxidation water purification system

The invention discloses a three-dimensional microelectrolysis bio-contact oxidation water purification system, which includes a sewage inlet pipe and one or more sewage electrolytic purification treatment tanks or sewage electrolytic purification treatment chambers. The sewage electrolytic purification treatment tank or sewage electrolytic purification treatment chamber is internally provided with a cathode electrode, an anode electrode, an upper grid, a lower grid and a biocarrier filler. The upper grid and the lower grid are respectively arranged on the inner wall of the sewage electrolytic purification treatment tank or sewage electrolytic purification treatment chamber. The biocarrier filler is arranged between the upper grid and the lower grid. The cathode electrode is disposed over the upper grid, and the anode electrode is disposed below the lower grid. The three-dimensional microelectrolysis bio-contact oxidation water purification system provided in the invention can improve the biodegradability of sewage, enhance the dissolved oxygen of water, strengthen the biological denitrification ability, form a biological chain suitable for decomposition of a plurality of organic pollutants in water, improve the sewage treatment efficiency, save investment cost, and has high and stable water quality purification standards.
Owner:梁锦雄

Electric box training target

A dynamoelectric boxing practice target belongs to the field of sports body-building equipment, comprising a sponge bag (2), a target body (8) and a target base (12); the target body (8) is connected by a spring connecting bracket (10) up and down, the top of the target body (8) is connected with the sponge bag (2) covered by cow leather (1) by the spring (3). A sponge bag (4) covered by the cow leather arranged at the upper part is placed in a groove (5) at the upper part to vibrate forward and back. A sponge bag (7) covered by the cow leather arranged at the abdomen is placed in a groove (9) at the abdomen to vibrate forward and back. The sponge bag (4) covered by the cow leather arranged at the upper part is connected with the sponge bag (7) covered by the cow leather arranged at the abdomen up and down by a connecting gear (6) which is connected with the spring connecting bracket (10) up and down. The sponge bag (4) covered by the cow leather arranged at the upper part is connected with the sponge bag (7) covered by the cow leather arranged at the abdomen on the target body (8) are connected to form a whole by the connecting gear (6). The spring connecting bracket (10) and a change speed motor (12) are connected to form a whole by a gear. The change speed motor (12) is arranged in a target base (13) and is connected with the target base (13) by a power supply (14). The power supply (14) of the change speed motor (12) is designed with three speed changing gears (15) that are a high gear, an intermediate gear and a slow gear. Automatic switches are connected with the high gear, the intermediate gear and the slow gear on the power supply (14). When in use, the sponge bags covered by the cow leather arranged at different parts can be beaten by boxing only by plugging into the power supply and pressing speed changing switch.
Owner:孟祥新 +1

Colon cancer intestinal microecology accurate detection, evaluation and intervention system and method

The invention relates to the technical field of medical treatment, in particular to a colon cancer intestinal microecology accurate detection, evaluation and intervention system and method. The system comprises an acquisition unit and a cancer evaluation unit, and the cancer evaluation unit comprises a processing unit and an evaluation establishment unit. The method comprises the following steps: screening and extracting, by the acquisition unit intestinal flora of colon cancer patients at different stages and healthy people, and sending extracted pathological data to an initial integration unit of the processing unit for integration; obtaining biomarkers related to colon cancer in a colon cancer group according to an analysis unit, and obtaining flora imaging pictures of the colon cancer group and a healthy control group through an imaging unit; and constructing, by a model establishment unit, an accurate evaluation model of colon cancer intestinal flora imbalance according to the flora imaging pictures. The method solves the problems that an early colon cancer symptom is not obvious, diagnosis and treatment are easy to cause deviation, and accurate corresponding treatment and prevention cannot be carried out.
Owner:QIANFOSHAN HOSPITAL OF SHANDONG +1

Water ecological protection and restoration method based on ecological niche complementation technology

The invention discloses a water ecological protection and restoration method based on an ecological niche complementation technology, belonging to the technical field of water ecological protection and restoration. The water ecological protection and restoration method based on the ecological niche complementation technology comprises the steps of sludge replacement, water quality management, strengthening of habitats in river channels, buffer zone construction, artificial aeration oxygenation, biological enhancement, ecological niche complementation and ecological chain restoration. The invention also provides a blue algae treatment device used for water quality management. The blue algae treatment device comprises a device base, wherein four moving wheels are arranged at the bottom partof the device base and distributed in a rectangular shape; a traction base is fixedly installed on the outer wall of the left side of the device base; a traction block is fixedly installed on the outer wall of the left side of the traction base; and a shaft pin is movably installed in the traction block. Based on the ecological niche complementation technology, the water ecology can be reasonablyprotected and restored; meanwhile, through the blue algae treatment device, the problem of blue algae can be perfectly solved, and the water quality is purified.
Owner:HUNAN UNIV OF ARTS & SCI

Three-dimensional microelectrolysis bio-contact oxidation water purification system

The invention discloses a three-dimensional microelectrolysis bio-contact oxidation water purification system, which includes a sewage inlet pipe and one or more sewage electrolytic purification treatment tanks or sewage electrolytic purification treatment chambers. The sewage electrolytic purification treatment tank or sewage electrolytic purification treatment chamber is internally provided with a cathode electrode, an anode electrode, an upper grid, a lower grid and a biocarrier filler. The upper grid and the lower grid are respectively arranged on the inner wall of the sewage electrolytic purification treatment tank or sewage electrolytic purification treatment chamber. The biocarrier filler is arranged between the upper grid and the lower grid. The cathode electrode is disposed over the upper grid, and the anode electrode is disposed below the lower grid. The three-dimensional microelectrolysis bio-contact oxidation water purification system provided in the invention can improve the biodegradability of sewage, enhance the dissolved oxygen of water, strengthen the biological denitrification ability, form a biological chain suitable for decomposition of a plurality of organic pollutants in water, improve the sewage treatment efficiency, save investment cost, and has high and stable water quality purification standards.
Owner:梁锦雄
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