Xi'an University of Architecture and Technology

Tianjin Chengjian University

Shaanxi University of Science and Technology

Zhejiang Hengxi Optoelectronics Technology Co., Ltd.

The Fourth Military Medical University

Zhinan Chen

Tianjian Chengjian University

Shaanxi Sirui Advanced Materials Co., Ltd.

Chen, Zhi Nan

Bin Yang

Dacheng Jin

Yihang Liu

Pengfei Yang

Xiaojing Li

Zhe Li

Shisong Zhang

Angui Li

Bin Zhou

Ruiqi Guo

Nan Wang

Peng Li

Pengju Liu

Bingan Pan

Yuyao Guo

Jingyi Nie

Jiaojun Tan

Min Yang

Fei Wang

Jun Zhao

Xiao Wang

Changqing Yang

Ran Gao

Haiguo Yin

Xue Jiang

Meiyun Zhang

Shunxi Song

Zheng Zhang

Wen Zhang

Ke Zhang

Xiangmin Yang

Xiaogang Cheng

Canhua Xu

Lingge Chen

Jinxia Gao

Yawen Gai

Huangcheng Yao

Xingrui Du

Xinze Li

ChenYan Zhang

Tong Wu

Zhijin Qu

Shuaixing Xu

Jiaxue Qi

Zhenyu Ji

Ruigang Liu

Feng Fu

Xuetao Shi

Ping Zhu

Xiaoling Yu

Fusheng You

Xuyang Huo

Xiuzhen Dong

Mengchun Wu

Wei Su

Wenbin Wang

Gang Li

Xiaoyun Shi

Xiaojun Wang

The invention discloses a spray cooling fan control system and method based on computer vision technology. The data acquisition system monitors person thermal comfort through various non-contact measurement methods, which improves the accuracy and instantaneity and achieves human thermal comfort and energy saving. The information processing system adjusts the air and spray volume based on human skin temperature and thermal sensation and plans the mobile path. The mobile control system moves the spray cooling fan to the optimal location so that the mobility and flexibility are enhanced. The intelligent voice interaction system and the end control system control the opening of the fan intelligently and humanely so that people become the main subject which controls the environmental temperature optimization equipment. Consequently, the invention cools person precisely and meets the thermal environment control and personnel thermal needs quickly.

Spray cooling fan control system and method based on the computer vision technology

An irrigation system and a method based on computer vision monitoring are provided. The system includes a collector, an analyzer, a controller, and irrigation equipment. The collector includes weather sensors for collecting weather information, monitoring sensors for collecting plant images, plant information sensors for collecting plant transpiration rates and leaf thicknesses, and soil sensors for collecting soil moisture information. The analyzer is used to analyze the plant images, the plant transpiration rates and the leaf thicknesses to obtain a plant type and a plant growth state, determine an irrigation scheme according to the weather information, the soil moisture information, the plant type, the plant growth state and a preset irrigation rule. The controller is used to regulate the irrigation equipment according to the irrigation scheme. It can improve the utilization rate of water resources and adopt an accurate and reasonable irrigation system.

Irrigation system and method based on computer vision monitoring

An air supply device is provided, which includes a housing with a cavity being formed therein. The air supply device further includes a partition plate, dividing the cavity of the housing into an upper cavity and a lower cavity; a flow equalizing plate, being vertically arranged in the upper cavity to divide the upper cavity into an air inlet cavity and a static pressure cavity, where a first air inlet that is communicated with the air inlet cavity being formed in the housing; an adjustable baffle plate, having a vertical height less than a vertical height of the lower cavity. The adjustable baffle plate divides the lower cavity into an induction cavity and a heat exchange cavity. The adjustable baffle plate and a top of the lower cavity form a first induced air opening. A heat exchanger is arranged in the heat exchange cavity.

Air supply device

The present invention discloses an intelligent control system and method for a doll clothing cooling device, the system including an information acquisition system, an image acquisition system, a computer vision system, and a central control system. The information acquisition system acquires environmental parameters and human physiological parameters in the mannequin garment. The image acquisition system acquires a video image of a human face and transmits it to the computer vision system to calculate a human head temperature. The central control system predicts the human thermal sensation data based on the acquired environmental and physiological parameters. The opening degree of the cooling device of the mannequin garment is automatically adjusted according to the human body heat sensation data and the voice instructions of the wearer of the mannequin garment. The invention solves the problem of dynamically improving the thermal comfort of the wearer of the mannequin costume in real time.

Intelligent control system and method for cooling device for mannequin costumes

A control system and a control method of refrigeration in a closed space based on computer vision are provided. An image of a food, temperature and humidity information in the closed space are collected, and a type of the food is identified according to the image. The image is processed through Euler video amplification when food is not packaged to obtain surface color distribution information of the food, a state of the food is determined according to the surface color distribution information and a historical learning result, and a state prompt corresponding to the state of the food is provided to a user. Temperature and humidity in the closed space are regulated according to the state of the food. The state of the food is determined according to storage time and a known quality guarantee period when the food is packaged, and another state prompt is provided to the user.

Control system and control method of refrigeration environment in closed space based on computer vision

A system and a method are provided to create an indoor thermal environment based on impinging jet ventilation (IJV) and ductless personalized ventilation (DPV), the system includes an IJV duct installed on a wall of a room and a DPV device installed on a table. An air inlet of the IJV duct is connected to an air conditioning system and an air outlet of the IJV duct is close to ground. An upper duct and a lower duct of the DPV device are disposed on two opposite sides of a tabletop, the upper duct is provided with an air supply panel, the lower duct is provided with a duct fan with an air supply volume being adjustable, and the duct fan is configured to send air absorbed from a ground air lake to a user's face area through the air supply panel of the upper duct.

System and method to create indoor thermal environment based on IJV and DPV

A multi-area artificial fog pipe network control method and system based on a you only look once version 5 (YOLOv5) algorithm are provided. The method includes: obtaining thermal sensation data of each target person based on facial skin temperature; calculating group thermal sensation data of each subarea and total group thermal sensation data of an artificial fog pipe network area; determining a total flow of fog-making water introduced into the artificial fog pipe network according to target number of people and total group thermal sensation data; controlling opening gears of atomization nozzles on the artificial fog pipe networks in subareas according to a number of the target person in each subarea, the group thermal sensation data and a micro-action type of each target person.

Multi-area artificial fog pipe network intelligent control method and system based on YOLOv5 algorithm

An indoor unit apparatus of a split-type air conditioner and a method for using the same are provided, which can realize both of an impinging jet ventilation manner and a displacement ventilation manner. A thin air layer can be formed on the ground through using the indoor unit apparatus of a split-type air conditioner, and the indoor unit apparatus of a split-type air conditioner is adapted to be used both in summer and in winter.

Indoor unit apparatus of split-type air conditioner and method for using the same

A system and method for nighttime lighting control and danger monitoring and alarming are provided. The system includes a data acquisition system, an information processing system, and a terminal control system. The data acquisition system is configured to acquire video information in a room and a voice content of a person in the room, and transmit the video information and the voice content to the information processing system; the information processing system is configured to obtain voice command information based on the voice content and age information and safety state information of the person based on the video information, and transmit the voice command information, the age information and the safety state information to the terminal control system; and the terminal control system is configured to control a terminal lighting fixture, and perform capturing of an image of the person and perform voice alarming according to the safety state information.

System and method for nighttime lighting control and danger monitoring and alarming

Fatigue driving monitoring, reminding and early-warning method and system based on computer vision are provided. The system includes: a fatigue real-time monitoring system for identifying fatigue characteristic postures of a driver and obtaining a fatigue level according to frequencies of the fatigue characteristic postures and a driving time; a fatigue automatic reminding system for receiving the fatigue level, obtaining a vehicle real-time position information and providing the driver with a corresponding grade of reminder according to the fatigue level; and a fatigue information early-warning system for receiving the fatigue level and the vehicle real-time position information to obtain a fatigue safety index, so that a cloud map of fatigue road conditions is obtained according to the fatigue safety index and shared with traffic management departments and drivers for early-warning. It reduces the situation of fatigue driving on freeway and the hazard of traffic safety accidents caused by fatigue driving.

Fatigue driving monitoring, reminding and early-warning method and system based on computer vision

A construction site safety monitoring system based on computer vision is provided. It includes a data acquisition system for collecting video information of personnel and operation platforms on construction site in real time; an information processing system for detecting and distinguishing the personnel and the operation platforms in the video information, intercepting personnel feature images and video of tilted operation platform whose personnel facial temperature and inclination angles after calculation are greater than or equal to preset values as a personnel safety incident and a platform safety incident respectively; and a terminal reminder system for receiving information of at least one the personnel safety incident and the platform safety incidents and providing a reminder. It can more accurately capture feature information of personnel and operation platform, analyze and calculate the feature information, realize personnel temperature measurement and detect the safety of operation platform, and has a wider application range.

Construction site safety monitoring system based on computer vision

Indoor personnel information identifying apparatus and method for assisting an air conditioning system of on-demand air supply are provided, the apparatus includes a data acquisition device, an information processing device and an information display device, the data acquisition device is configured to acquire weight information and shoe image information of personnel in real time, the information processing device is configured to predict an total calorific value of indoor personnel according to a real-time number of indoor personnel and obtain recommended air supply parameter information for the air conditioning system according to the total calorific value, the information display device is configured to receive and display personnel information processed by the data acquisition device and the information processing device and the recommended air supply parameter information. The apparatus can achieve an effect of reducing energy consumption under conditions of ensuring good indoor air quality and high personnel comfort.

Indoor personnel information identifying apparatus and method for assisting air conditioning system of on-demand air supply

Sunshading louver control system and method based on gesture recognition are provided. Indoor images are collected in real time. Based on the indoor images, an action region of gesture motion is positioned and feature extraction is performed thereon to obtain hand motion parameters. The hand motion parameters are analyzed to obtain gesture information. The gesture information is compared with preset gesture information. When the preset gesture information contains the gesture information, corresponding adjustment is performed on a sunshading louver according to a preset operation logic corresponding to the gesture information. When the preset gesture information does not contain the gesture information, the gesture information is determined to be invalid. The lifting and rotation angles of the louver can be automatically controlled according to various gestures of indoor personnel, thereby rapidly realizing regulation of indoor illumination and natural ventilation quantity, and meeting the change of personnel's demand for indoor environment.

Intelligent sunshading louver control system and method based on gesture recognition

A control system and a control method for individual thermal comfort based on computer visual monitoring are provided. The control system may include a data acquisition device, an information processing device, an intelligent voice inquiry device, a terminal control device including a terminal controller connected to an external equipment and a biological real-time device connected to the data acquisition device and a human thermal sensation predictor. The data acquisition device includes a semi-contact measurement instrument and a contact-less measurement instrument. The contact-less measurement instrument includes an infrared sensor and a camera built with a skeletal node recognizer and an Euler video amplifier. The information processing device may include a memory, the human thermal sensation predictor for obtaining the predicted thermal sensation value and a comparator connected to the intelligent voice inquiry device. It solves the problem that the prior art cannot meet the thermal comfort.

Control system and control method for individual thermal comfort based on computer visual monitoring

A method for increasing bulkiness of reconstituted tobacco by adding tobacco stem particles includes (1) pulverizing a first portion of tobacco stems to obtain tobacco stem particles; (2) classifying the tobacco stem particles with mesh sieves and selecting the tobacco stem particles with a predetermined mesh size; (3) extracting a second portion of the tobacco stems with water and grinding to form a tobacco stem slurry that has a beating degree of 12-14&#xb0; SR, and mixing the tobacco stem slurry with tobacco leaves in a weight ratio of 6:4 and grinding to obtaining a tobacco slurry that has a beating degree of 18-20&#xb0; SR; (4) cutting plant fiber pulp boards and dispersing in water to form a plant fiber pulp; (5) preparing a filler solution that contains 10 wt % of a mineral filler; (6) mixing, rolling and drying to obtain the reconstituted tobacco.

Method for increasing bulkiness of reconstituted tobacco

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Xi'an, China

Bin Yang