147results about How to "Improve safety and quality" patented technology

The invention discloses an escalator passenger abnormity behavior detection algorithm base on machine vision. The algorithm comprises steps that 1), video image acquisition is carried out; 2), Canny edge detection on an acquired image is carried out; 3), a circle-like zone of an edge image is obtained by utilizing Hough circle transformation; 4), whether the circle-like zone is a human head is determined through a human head gray histogram template; 5), a human head of the image is tracked by utilizing a Mean Shift algorithm; 6), a moving direction and a moving speed of a center point of the circle-like zone of a head portion of each passenger are calculated; and 7), behaviors of passengers are determined through analyzing the moving directions and the moving speeds of the center points of the circle-like zones. Through the algorithm, safety quality of an escalator can be effectively improved, deterioration of situations of emergent events can be prevented, and an injury degree of fall-over passengers on the escalator can be reduced to a maximum degree.

A universal bell housing which may be adapted to a variety of automotive engine and transmission combinations and method of making the same is disclosed. The bell housing is made by spin forming a sheet of steel and welding a transmission plate onto the cone. The cone and transmission plate are indexed to mount to a specified engine-transmission combination.

The invention relates to the technical field of agricultural product processing, in particular to a processing and production method of selenium-rich rice. The method mainly comprises the steps of (1) pretreatment of unhusked rice, (2) cleaning up and impurity removal of selenium-rich unhusked rice, (3) magnetic separation and rice hulling, and (4) polishing, color sorting and packaging. Through the technological process, the selenium-rich rice processing technique is simpler, the selenium-rich rice processing quality is improved, the processing cost is reduced, accordingly, the defects that the selenium-rich rice processing procedure is complex, the processing quality is poor, and the cost of rice processing enterprises is severely improved in the prior art are overcome, and the processing and production method of the selenium-rich rice has great practical value and popularization prospects.

The invention discloses an algorithm for detecting object and passenger behaviors on an escalator floor plate based on machine vision, which comprises the steps of 1) acquiring video images; 2) building a background model by using a CodeBook algorithm, and extracting an object and passenger foreground image; 3) performing head feature extraction on the foreground image by using an HOG descriptor; 4) performing head detection on the foreground image by using an AdaBoost cascade classifier; 5) tracking a passenger target by using a Kalman filter; 6) performing contour detection and ellipse fitting on the foreground image by using a Fitzgibbon algorithm; 7) removing the passenger target in the step 6), and tracking an object target by using the Kalman filter; and 8) and judging behaviors of the object and the passenger through analyzing the moving speed and the moving direction of center coordinates of the object and the passenger. According to the algorithm, detection and analysis can be performed on object and passenger behaviors on the escalator floor plate, an emergency plan can be started timely when an exception occurs, and potential hazards of an exceptional situation are enabled to be minimized.

The invention discloses a method and a device for detecting the wall of a cylindrical transparent bottle. The method comprises image acquisition and image processing. A light source is arranged on one side of the bottle for back lighting, a set of optical acquisition systems are established on the other side of the bottle, the multi-angle one-time imaging of the bottle wall is realized after the multi-stage reflection of reflecting mirrors, a camera takes images through the reflecting mirrors, one optical acquisition system is arranged respectively for the image acquisition of the bottle wall at an entrance and the image acquisition of the bottle wall at an exit, and the bottle is turned for 90 degrees between the optical acquisition system at the entrance and the optical acquisition system at the exit. The invention has the advantages that the demand of high-speed online detection is satisfied, the method substitutes for the traditional manual detection method, the detection standard is more stable and reliable, the structure is compact and the detection efficiency is high.

The invention discloses a poecilobdella manillensis indoor breeding device. The poecilobdella manillensis indoor breeding device mainly comprises a breeding box, a mesh bag and a multi-layer breeding rack, wherein the mesh bag and the multi-layer breeding rack are arranged in the breeding box in a matched mode. On the basis, an artificial blood sucking poecilobdella manillensis indoor breeding method is established based on the biological nature of the poecilobdella manillensis, the mature poecilobdella manillensis breeding is carried out through the indoor multi-layer breeding rack/box, the escaping preventing mesh bag, a manual feeding platform and a water storage temperature control system, and the poecilobdella manillensis larva can be directly bred into the mature individual. By means of the device and method, the occupied space is small, the unit area yield/cultivation benefit which is 2-4 times that of existing indoor pool cultivation is large, the breeding survival rate is more than 85 percent and is improved by 15 percent compared with an ordinary method, the breeding period is shortened by one to two months, and the safety quality of the matured poecilobdella manillensis is high.

The invention discloses a feed feeding and mixing device with a function of screening impurities for the pig breeding industry. The feed feeding and mixing device comprises a bottom plate; the top ofthe bottom plate is fixedly connected with a mixing box; the four corners of the bottom of the bottom plate are separately and fixedly connected with a mixing structure. The feed feeding and mixing device is provided with the bottom plate, the mixing box, the moving structures, supporting legs, springs, roller wheels, a first transmission case, a second transmission case, a feed chute, a support pillar, a first motor, a stirring column, stirring blades, a screen box, a sieve plate, blanking pipes, a second motor, a cam, a driving plate, a sliding chute, reset spring, a transmission column, a discharge pipe, a sealing cover, a regulating valve, a guide block, a push rod, an anti-slip sleeve, an open slot, through holes and a material limiting port which are cooperatively used, thus improving the safety and quality of pork and enhancing the practicality; the feed feeding and mixing device with the function of screening impurities for the pig breeding industry has the advantage of screening the impurities of feed, so that the practicality of the mixing device is improved.

The invention discloses an abnormal behavior detection method and system for a smart community, and relates to the field of community safety monitoring. The method comprises the following steps: acquiring images in a video shot by a monitoring camera frame by frame; inputting the image into a human body detection model for analysis to judge whether a human body exists in the image or not; when thehuman body exists in the image, inputting the human body into an abnormal behavior detection model for abnormal behavior detection and obtaining a result. The system is designed based on the method,human body detection is carried out by using deep learning, and then three abnormal behaviors possibly existing in a community are judged by using the trained fall detection model, fighting model andcrowd judgment model, wherein a Mahalanobis distance, an Euclidean distance and an IOU are used in the algorithm. The method can adapt to complex scenes of a community environment, the probability oferror identification is greatly reduced, and the method has important significance for improving community management and safety quality.

The invention discloses an escalator floor plate video monitoring method by combination of machine visual sense and infrared array. The method includes the steps of acquiring video images and infrared images, 2) coordinate registering for the video images and infrared images, 3) using CodeBook algorithm to establish a background model, extracting article and passenger foreground images, 4) using infrared images to detect pedestrians in foreground images, 5) using a Kalman filter to track passenger targets, 6) using Fitzgibbon algorithm to conduct contour detection and ellipse fitting for the foreground images, 7) eliminating passenger targets in 6) and using the Kalman filter to track article targets, and 8) monitoring the floor plate area by analyzing the moving speed and moving direction of the articles and passenger center coordinates. Articles and passenger behavior on an escalator floor plate can be detected and analyzed through the algorithm. When abnormity occurs, an emergency solution can be timely started to minimize the potential damage of the abnormity.

The invention discloses a machine vision-based passenger crossing handrail detection algorithm. The algorithm comprises steps of 1) collecting a video image and selecting a region of interest (ROI region); 2) using a codebook algorithm to establish a background model of the video and performing a background difference; 3) performing image processing on the foreground obtained; 4) determining whether there is a passenger in the foreground through the gray histogram template of an armrest belt; 5) using the camshift algorithm to track the part of the foreground belonging to the human body; 6) calculating the size of the area corresponding to the foreground of the human body, and the coordinates of the center point; and 7) analyzing whether there is a passenger crossing the handrail through the ratio of the on-handrail area to the outside-of-foreground area as well as the relationship between their center positions. The algorithm of the invention can effectively improve the safety quality of the escalator, avoid the further deterioration of the situation after the emergency, and minimize the damage caused by passengers climbing the handrail on the escalator.

The invention discloses a mining method tunnel construction method and structure through which a tunnel can penetrate through surrounding rock poor in geological condition. The surrounding rock is provided with a large-span V-shaped funnel. The structure comprises a pipe shed, a plurality of steel pipes with the external inserting angle being 5-15 degrees are arranged within the 120-150 degree range of an arch part of the tunnel planned to be constructed, the annular interval is 250-350 mm, each steel pipe is 6-18 m long, each steel pipe is exposed by 1m, the exposed lower end of each steel pipe is provided with a flange for preventing slurry from leaking outside after grouting ends, the upper end of each steel pipe stretches into the surrounding rock on the other side of the V-shaped funnel after passing the surrounding rock on one side of the V-shaped funnel and the space of the V-shaped funnel, and slutty outlet holes are evenly distributed in the portion, located in the space of the V-shaped funnel, of each steel pipe and pipe segments in the surrounding rock on the two sides of the V-shaped funnel. Through the method and structure, a good advanced supporting effect can be achieved, it can be guaranteed that the tunnel safely penetrates through the geological section, and construction safety and construction quality are effectively guaranteed.

The invention discloses a slag salvaging cylindrical drill for a drilled pile. The slag salvaging cylindrical drill is characterized in that a cylinder is arranged, a drilling rod is arranged at a neutral axis position of the cylinder, and the top end of the drilling rod penetrates through the top of the cylinder and is provided with a flange disc; the inner part of the cylinder is separated into semi-cylindrical cylinders at two sides by a longitudinal clapboard; a bottom steel beam is arranged at the bottom of the cylinder and is at a position crossing with the bottom edge of the longitudinal clapboard, drilling teeth are arranged on the bottom steel beam at intervals, the bottom steel beam divides the semi-cylindrical cylinders into salvaging bins and storing bins, the salvaging bins are open sectors and the storing bins are sectors of which the bottoms are sealed with steel meshes; and the salvaging bins in the semi-cylindrical bins at two sides are arranged at diagonal positions. According to the invention, the phenomena of pipe plugging, hole collapse and chambered holes in the drilling construction can be effectively reduced, and the construction progress and the safety quality of a pile foundation are ensured.

The invention relates to the technical field of intelligent air conditioners and discloses a method, device, equipment and system for sleep environment control in a home system. The home system comprises a cloud control device, an air conditioner and a non-contact sleep device, wherein the air conditioner and the non-contact sleep device are in communication connection with the cloud control device. The method comprises steps that the current user sleep state information, monitored by the non-contact sleep device, of a user within the action range of the air conditioner is obtained; the current user sleep state information is analyzed, and the first current user sleep state information corresponding to a first user with the highest user category priority is determined; and according to the first current user sleep state information, the air conditioner is controlled to operate. The method is advantaged in that the intelligent scene of the sleep environment is realized, and home intelligence is improved.

The invention relates to a preparation method of a multi-effect organic foliage conditioner, which comprises the following steps: mixing biomass charcoal and water in a mass ratio of 1:(20+/-5), stirring uniformly to obtain a mixed solution, leaching the mixed solution at the high temperature of 80-85 DEG C for 3+/-1 hours, oscillating in an oscillating table at the rotation speed of 180+/-30 r/min for 24+/-3 hours to obtain a biomass charcoal extracting solution, and carrying out vacuum filtration on the biomass charcoal to obtain the liquid foliage conditioner of which the pH value is 8-11 and the total organic carbon (TOC) content is 297-566.7 mg/L. On the premise of reducing the input of the inorganic fertilizer, the foliage conditioner can increase the yield by 58.94%, obviously enhances the contents of vitamin C and soluble proteins in pakchoi, lowers the content of nitrates, and improves the grade and safety quality of vegetables.

The invention discloses an information issuing method, device and system. The information issuing method comprises that a first information issuing request of first type information is obtained, the first information issuing request is carried with the identification of a user issuing the first type information, then the authentication result of the user identification is obtained; if the authentication result is that the user identification passes the authentication, a corresponding information input interface is generated in dependence on the first information issuing request, the first type information to be issued is obtained through an information acquisition interface in the information input interface, then a second information issuing request of the first type information is generated in dependence on the first type information to be issued, and the second information issuing request carried with the first type information to be issued and the user identification is sent to a network side. By employing the above scheme, the first type information can be managed and controlled effectively, and influence of management and control of the first type information on other type information (such as common information) is greatly reduced.

The invention discloses an absorbing and compressing treatment machine for waste metal. The machine comprises a machine body and a handcart, wherein the handcart comprises a base board, universal wheels and a pushing handle; the machine body is fixedly connected to the base board; a feeding port is formed in the front end of the machine body; an absorbing pipe is connected to the outside of the feeding port of the machine body, and a heating furnace is arranged at the inside of the feeding port of the machine body; a hydraulic pump is arranged at the rear end of the heating furnace, and a connecting pipe is arranged between the input end of the hydraulic pump and the heating furnace; the hydraulic pump is connected to a compressor; a roller of which two sides are provided with rotating devices is arranged in the compressor, and the rotating devices are fixedly connected to the inner wall of the compressor; a guide rail is arranged on the inner wall of the compressor, and a fixing seat is slidably connected into the guide rail; the rotating devices are fixedly connected to the fixing seat; a rolling groove is formed in the bottom end of the compressor. According to the abovementioned mode, the machine has the advantage of being capable of absorbing the waste metal and compressing the waste metal.

A herbiciding fertilizer able to speed up the erosion of wheat straw for rice field contains proportionally fertilizer component N+P2O5+K2O+Zn, bacterial component, and herbicide component.