311results about How to "Improve collection quality" patented technology

The invention discloses an unmanned aerial vehicle inspection head control method based on visual servo. The method comprises the steps of: 1, obtaining video information by an imaging device; 2, matching a frame real-time image with a template image, obtaining a pixel deviation and determining a deviation P of the image center; 3, judging whether P is greater than a deviation threshold, if not, indicating a normal situation, and finishing this detection, if so, turning to the next step; 4, determining a rotating direction through P, then rotating the holder for the minimal unit d; 5, obtaining the device image at a current position again; 6, trying a new target position by a tracing algorithm; determining the deviation P1 of the new position and the template image; 7, judging whether P is greater than the threshold according to the linear relationship between holder rotation and the pixel deviation in the image, if not, finishing this detection, and if so, returning to the step 5. Location filming of the target in the unmanned aerial vehicle inspection process is effectively solved, and the inspection efficiency and quality are improved.

The invention discloses a wearable human body multiple physiological parameter acquiring device. The wearable human body multiple physiological parameter acquiring device comprises a wearable acquiring band and acquiring clothes, wherein the wearable acquiring band comprises a chest strap, shoulder straps, a waistband and a connecting band located on the chest. The chest strap, the waistband and the connecting band comprise an outer layer and a liner respectively, the chest strap is fixedly connected with the waistband through the connecting band, and the chest strap is fixedly connected with the shoulder straps. Sandwich layers between the outer layers and the liners of the chest strap, the waistband and the connecting band are provided with corresponding electrode buttons, the outer surfaces of the liners of the chest strap, the waistband and the connecting band are correspondingly provided with electrodes for acquiring electrocardiosignals or respiratory signals, and the outer surface of the liner of the chest strap is further provided with a first temperature sensor and a second temperature sensor which are used for acquiring human body temperature signals. The acquiring clothes comprises a pocket provided with an acquiring circuit, sleeve bands for measuring blood pressure and provided with air bags are fixed at the upper-limb positions of sleeves of the acquiring clothes, and the air bags are connected with a pressure sensor in a blood pressure signal interface circuit in the acquiring circuit through air guiding tubes.

The invention discloses a high-fidelity digital modeling method of terrain elevation, the steps are as follows: the first step is to carry out push-broom data acquisition; the second step is to carry out grid segmentation of the acquired vector terrain feature data; the third step is to carry out similar DEM grid data organization of PLA, organization management is carried out to the PLA data after the grid segmentation treatment according to grid data structure; the fourth step is to generate a new digital elevation model file to carry out the seamless embedding of the vector feature data; a feature embedded digital elevation model data structure is composed of three sub-files which comprise a grid file, a feature identification file and a feature file; the grid file is a regular grid data structure; the feature identification file is used for spatial data index of a vector grid integrated organization, the structure thereof is consistent with the current national DEM data structure and only records the grids with the features; the feature file records terrain feature information which is contained in one grid unit, and the information comprises feature points and feature lines.

Embodiments of the present application disclose an image processing method and related products. The method comprises: acquiring a first face image; acquiring an environment parameter; and carrying out image processing on the first face image according to the environment parameter to obtain a second face image, wherein the second face image is used for face recognition. According to the embodiments of the present application, the face image can be further improved according to the environment parameter, face image collection quality is improved, and the face image is more conducive to face recognition, so that the success rate of face recognition is improved.

The embodiment of the invention discloses an unlocking control method and related products of the same. The unlocking control method includes the steps: acquiring an environment luminance value; whenthe environment luminance value is less than a preset luminance threshold, determining a first light supplement parameter and a second light supplement parameter; according to the first light supplement parameter, controlling a light supplement lamp, and according to the second light supplement parameter, controlling a screen, so as to perform light supplement on a human face; and shooting to obtain a target face image. The unlocking control method can perform light supplement on the human face through the light supplement lamp and the screen in the scotopic vision environment, can improve theface image acquisition quality, and is conductive to improvement of face identification efficiency.

The invention provides a method for confirming an optimal air gun array in an exploration and a marine geological survey. 3-4 different air gun arrays are designed according to the known construction requirements and device conditions. Far-field sub-waves of the different air gun arrays are simulated respectively by aiming at the different air gun arrays, and parameters of the far-field sub-waves of all the air gun arrays are calculated. Weight coefficient values of the parameters of the far-field sub-waves of all the air gun arrays are confirmed according to the exploration requirements, and then weighted and summed up and compared so that the air gun array with the maximum weighted and summed up value is the optimal air gun array. Selection of the optimal air gun array is realized, and quantitative preference selection of different air gun array design schemes is realized so that working efficiency in offshore exploration air gun array design and optimization is enhanced and technical support is provided for enhancement of seismic exploration acquisition quality.

The invention provides a retaining cap used for acquiring brain signals in photoelectric combined mode and applied to transcranial magnetic stimulation. The retaining cap comprises a flexible net-shaped retaining cap body composed of flexible net belts and capable of covering the scalp, vertically-through penetrating holes are formed in all nodes of the flexible net-shaped retaining cap body respectively, a brain electricity electrode hollow sleeve and a near infrared probe hollow sleeve can be rotationally inserted into the penetrating holes, a brain electricity electrode is placed in the brain electricity electrode hollow sleeve, and a near infrared probe is placed in the brain electricity electrode hollow sleeve. The brain electricity electrode and the near infrared probe are distributed in the flexible net-shaped retaining cap body in the mode that the portions, along the two ends of a flexible net belt on a meridian, of each brain electricity electrode is each provided with one near infrared probe at equal intervals, one of the two near infrared probes at the two ends of each brain electricity electrode is a near infrared probe for emitting infrared rays, and the other of the two near infrared probes is a near infrared probe for receiving the infrared rays. Scalp pulling-out is convenient, the height of the retaining cap is reduced, and the acquisition quality of near infrared signals is improved. The retaining cap can be effectively applied to transcranial magnetic stimulation research.

The invention discloses a driving control system of an unmanned electric locomotive based on video recognition. The driving control system comprises a driving controller and external equipment. The driving control system is characterized in that the driving controller is computer equipment used for controlling operation of the locomotive and comprises a traffic analyzer, a vehicle-mounted controller body, vehicle-mounted communication equipment, an input channel and an output channel. The external equipment comprises a variable-frequency control cabinet, a sensor and relative equipment. The sensor transmits information to the driving controller through the input channel. The driving controller transmits control commands to the variable-frequency control cabinet through the output channel and then controls the locomotive and relative equipment. By means of the control system, the locomotive can have access to an underground mobile network dynamically in real time during driving, communicates with a ground locomotive operation server, uploads and stores front video images and locomotive state information, and gives dispatching instructions, and unmanned driving of the underground electric locomotive is achieved. The driving control system has the characteristics of safety and reliability.

The present invention provides an analog ultrasonic seismic signal physical excitated, receiving system of its method. The system includes an excitation source, an ultransonic transmitting probe, an ultransonic receiving probe, an analog-to-digital converter, an amplifier, a center signal processing and controlling unit and an input/output exterior unit; further including a controlling adjustable voltage control unit set in the signal excitation source and gain control unit of the receiving signal set in the signal receiving terminal. The invention processes quantification control to the emitting energy and receiving gain to meet needs of complex multi-layer physical model observation in the laboratory. The invention adds quantitative control pulse signal launch procedure and structure in the excitation source, making the high-low amplitude of the emitting energy quantitative control, processing quantitative set for signal from different channels on one hand, on the other hand adds quantitative control magnified steps and structure in the amplifier of the receiving end, resolving the technical problem of the lower accuracy and receiving signal distortion in the present technology.

The invention discloses a shooting processing method and a related product. The method comprises that an object face image which includes a face area image is obtained; a dimensional ratio of the facearea image to the object face image is determined; and a user is prompted to adjust the position relative to a mobile terminal when the dimensional ratio is beyond a target preset range. According tothe invention, the positional relation between the user and a camera is determined via the dimensional ratio of a face area to the whole image including the face area; and further, the user is prompted to adjust the position between the user himself/herself and the mobile terminal when the dimensional ratio is beyond the preset range. Thus, the collection quality of the face image can be improved.

The invention discloses a high-velocity motion object pose vision measurement method based on structured light, belongs to the technical field of computer vision measurement, and relates to a large-view-field small-target high-velocity motion space pose measurement method. The measurement method comprises the following steps: shooting auxiliary crossed laser by left and right high-speed cameras by adopting vertical laser strips and auxiliary crossed laser, recognizing crossed points, and recording the imaging positions of the auxiliary crossed laser at left and right high-speed cameras respectively; and collecting images of a measured cylinder and the vertical laser stripes by utilizing left and right high-speed cameras, transmitting the collected images to a diaphragm workstation, binding and optimizing a target axis by utilizing the distance from the deformation parts of the laser stripes generated by the measured cylinder to the axis, thereby obtaining the position and pose information of the target object finally. According to the invention, the pose information of high-speed motion target objects with high precision without any treatment by utilizing the laser stripes can be obtained, the image collecting quality is improved, and the influence by noisy points is prevented effectively.

The invention relates to the intelligent public transport technology field, and especially relates to a GPS positioning data compensation method. The method comprises standard line path generating steps and GPS positioning data compensation steps, wherein the standard line path generating steps can convert the driving track into a curve model and form a standard line path by using a linear interpolation fitting algorithm; and the GPS positioning data compensation steps can realize continuous compensation for discontinuous GPS positioning data generated by an operating vehicle through classification of off-line types and by using the standard line path to simulate driving of a bus. The method provided by the invention is applied to solve the problem about the discontinuous GPS positioning data generated by an on-line operating bus, and enables the intelligent public transport dispatching system to have more reasonable departure rate and punctuality rate, and enables a daily operation form to be more accurate through compensation of the GPS position data. Besides, the method also reduces the workload for additional recording of the daily operation data in the later period for a dispatching staff.

The invention discloses a device and a method for acquiring traffic information. A plurality of node devices for traffic information acquisition based on video are arranged on one side of a road one by one, and are used for acquiring the information of two-way traffic flow on the road. The adjacent node devices communicate with each other in a wireless mode so as to form a wireless sensor network. Visual fields of adjacent node devices have a covered overlap region used for providing the adjacent node devices with cooperation time and space. Through the traffic information synthesis of the adjacent node devices, a lowest-reaches node obtains the traffic information in a whole range. The node devices communicate through a Zigbee protocol, and the synthesis of overall information from the traffic information acquired by the node devices is realized through the cooperation of the adjacent node devices. The acquired traffic information comprises road flow rate, occupancy, average velocity and motion tracks of vehicles. The invention has the characteristics of flexible network structure, as well as the wide range and high real-time property of the acquired traffic information.

The invention discloses a laser radar rotation control method for target detection. The laser radar rotation control method comprises the steps that S1, a laser radar is installed on an operating platform to form a detection system, the change trends acquired at different operating speeds of the operating platform that point cloud distributions change with the scanning speed of the laser radar areobtained; S2, when the detection system performs target detection, the operating speed of the operating platform is acquired in real time, the change trend of corresponding point distribution is obtained according to the operating speed acquired in real time, and the current required laser radar scanning speed is determined according to the change trend of the point distribution; S3, the laser radar is controlled to rotate according to the scanning speed of the laser radar determined in the step S2 so as to complete target detection. The laser radar rotation control method has the advantagesof being simple to achieve, small in working blind zone and large in effective detection distance and making scanned point cloud data rich.

The invention relates to a quasi-real-time cable-free network seismograph system based on an ultra wide band wireless module. The system is provided with a display and control central station and multiple groups of acquisition nodes. The display and control central station is provided with a host computer, an ultra wide band wireless module A, an epicenter trigger, an intelligent battery, and a voltage stabilization module A. Each group of acquisition node is provided with a single-chip microcomputer module, an ultra wide band wireless module B, a signal conditioning and data acquisition module, an intelligent battery, and a voltage stabilization module B. All the acquisition nodes are arranged into 14 groups, each group assigns an aggregation node, other acquisition nodes in the group send data to the aggregation node in order, and all the aggregation nodes then send the data to the display and control central station. After being started up, the system can self-organize wireless Internet of Things, and the ultra wide band wireless modules A, B work at 3.1-10.6GHz. The system is small in size, light in weight, low in cost, low in battery power consumption and high in interference resistance. Relative positions of the nodes can be resolved automatically, an error range of the positioning precision is from -1.0cm to 1.0cm, and the synchronization precision is 1[mu]s. The system is suitable for being popularized and applied in the field of geological exploration.

The invention discloses a numerically-controlled machine tool chip removal device which comprises a collecting box and a heating box. Supporting plates are fixedly connected to the upper ends of the left side and the right side of an inner cavity of the collecting box, and first partition plates are movably connected to the tops of the supporting plates through a plurality of springs distributed at equal intervals. The left ends of the tops of the first partition plates are fixedly connected with a sliding base with the right side slidably connected with a slider, and the right side of the slider is movably connected with a push plate through a first electric telescopic rod. The device is provided with the supporting plates, the springs, the first partition plates, a vibration motor, a heating plate, the sliding base, the slider, the first electric telescopic rod, the push plate, a driven wheel, a glass fiber filter screen plate, a driving wheel, a conveying motor, a second clamping seat, a KDF filter layer, a heating box, a heating wire, a pipeline, a fan, a spray head, a first clamping seat, an HEPA filter screen and an activated carbon filter layer, so that the device can have the functions of chip collection, chip drying and cutting fluid collection, and therefore great convenience is brought to use of people.

The invention aims to provide a hemispherical image acquiring box body of a 3D printer. The hemispherical image acquiring box body comprises a box body, an arranging platform, an image acquiring device and a light source, wherein the box body is a hollow hemisphere; the arranging platform is arranged inside the box body and positioned at the center of the hollow hemisphere; helical guide rails are arranged from top to bottom on the inner wall of the box body; the image acquiring device is mounted on the guide rails and can slide along the guide rails. The hemispherical image acquiring box body of the 3D printer can be used for shooting an object in all directions and is capable of preventing influences caused by human factors and improving the printing quality.

The invention relates to an electronic archive compiling-studying method and system. The method comprises a resource pool construction step, an assistant topic selection step and an intelligent material selection step, wherein the resource pool construction step comprises the steps of recording electronic archives and performing correlated analysis to the contents of the electronic archives to obtain primary correlated information and secondary correlated information. The electronic archive compiling-studying method and system realize the correlation between the electronic archives through a semantic net, topic selection and material selection by a user are assisted and recommended through primary and secondary reference information, the electronic archive looking-up efficiency of the user is improved and the material selecting time of the user is also saved.

The invention discloses a detection method and a detection system for copper wire surface oxidation defects of an FPC. The detection system comprises an image collection apparatus and an image processing unit. The detection method comprises the steps of firstly collecting a certain number of FPC sample images, extracting copper wire surface oxidation defect ROIs, manually tagging oxidation levels, and selecting the copper wire surface oxidation defect ROIs with the oxidation levels as training samples; extracting color features of the training samples; inputting the color features of the training samples to a DAG-SVMS model for training to obtain a DAG-SVMS classifier; collecting to-be-detected FPC sample images, and extracting copper wire surface oxidation defect ROIs to serve as test samples; and extracting color features of the test samples, inputting the color features of the test samples to the DAG-SVMS classifier, and determining oxidation levels of the test samples through the classifier. According to the detection method and system, accurate detection of the copper wire surface oxidation defects and oxidation levels of the FPC can be realized.

The invention discloses a laser point cloud and aerial image integrated building three-dimensional modeling method. The method comprises the following steps: acquiring the laser point cloud and the aerial image of a building by adopting an airborne laser device, making a highly-precise digital elevation model DEM and a digital orthoimage DOM product, carrying out highly fine modeling on the building, making the three-dimensional electron sand table and the three-dimensional frame model of the building, carrying out vehicle-carried data quality optimization, carrying out essential factor three-dimensional modeling by using the airborne laser device, and integrating three-dimensional digital model accomplishments acquired through measurement using the airborne laser device and a vehicle-carried mobile laser device. The method fully utilizing and fusing an advanced laser point cloud technology and an aerial image technology can efficiently carry out three-dimensional panoramic laser scanning and modeling on the building to obtain clear and highly-precise practical construction three-dimensional data of the building, so the data acquisition efficiency and the data acquisition quality are greatly improved, the automatic degree of data processing is high, and the whole production efficiency of three dimensional modeling is improved.

The invention discloses an external synchronous signal card and an image collection system for a linear array camera. The external synchronous signal card for the liner array camera comprises an impulse signal input end for receiving first impulse signals, an external synchronous trigger signal output end for outputting external synchronous trigger signals, and an impulse signal processing module which is respectively connected with the impulse signal input end and the external synchronous trigger signal output end. The impulse signal processing module can be used for performing level switching on the first impulse signals to obtain external synchronous signals and counting the first impulse signals when the impulse signal input end receives the first impulse signals. The embodiment of the external synchronous signal card and the image collection system for the linear array camera can control the linear array camera to collect images in preset areas and has the advantages of being high in quality of image collection.

The invention relates to new method and equipment for mining submarine cobalt crusts, wherein the method comprises the following steps of: (1) placing an acquisition platform to a seabed from a water-surface supporting ship; (2) starting the acquisition platform, extending out and leveling hydraulic supporting feet, and compacting the whole system by a lifting hydraulic cylinder so as to ensure the stability of the whole working; (3) extending out three folding type supporting arms, preliminarily determining the height of an acquisition mechanism, and fixing supporting legs; (4) starting an acquisition mechanism driving device installed on the acquisition platform, operating the acquisition mechanism to carry out crushing operation, collecting the crushed cobalt crusts through the acquisition mechanism and sending to a lifting ore bin; (5) after mining a corresponding fan-shaped area, carrying out angle adjustment on the three supporting arms through a rotary mechanism until finishingthe mining of a round ore region with the diameter of 100m; and (6) transporting the acquired cobalt crusts to the water-surface supporting ship through a lifting device. The invention also comprisesthe corresponding equipment. The invention has low mining cost, high efficiency, simple equipment and high reliability and is applicable to mining the submarine cobalt crusts on a large scale.

The invention discloses a heterogeneous-webpage-oriented data collection and labeling method. The method comprises the following steps that Xpath and a regular expression are used for analyzing collected data; judging the corresponding page structure of the webpage through inquiring whether a corresponding DOM node exists or not; providing one piece of priori knowledge for the following labeling work, wherein the labeling can be completed only through performing labeling correction on the pre-labeled data in the labeling process. The method has the advantages that the data collection and data classification operation can be effectively integrated, so that the data mining progress can be efficiently performed. Compared with a conventional data collection method, the method provided by the invention has the advantages that the collection quality is higher; the junk data collection rate is low; the data classification is accurate.

The invention relates to an automatic bacterial colony counter. The automatic bacterial colony counter comprises a shell portion, a circuit portion, an image acquisition portion and a detection bin automatic door portion, the image acquisition portion comprises an image acquisition high definition CCD camera part having tens of millions of pixels, and a light source system part, and the circuit portion and the detection bin automatic door portion are respectively installed on the baseboard of the shell portion. The automatic bacterial colony counter has the characteristics of good image acquisition quality, high automation degree and polychromatic light background.