49results about How to "Avoid visual errors" patented technology

The automatic main mineral identifying and quantitatively detecting method for high alkalinity sintered ore belongs to the field of metallurgical technology. The method includes four parts of preparing sintered ore sample, X ray diffraction condition for quantitative analysis, standard diffraction curve database of high alkalinity sintered ore minerals, and sectional optimizing fitting and computer software. The method of the present invention makes it possible to identify the minerals in high alkalinity sintered ore and measure the content fast automatically. In addition, the present invention has less sampling error and no visual error.

The invention relates to a warp knitting fabric defect detection method based on wavelet contourlet transformation and visual saliency. The method comprises the steps: selecting a fundamental wave, and constructing a wavelet transformation filter; performing wavelet decomposition for a warp knitting fabric image to be detected, and obtaining approximate feature sub-graphs and detail feature sub-graphs; performing Gauss difference among the approximate feature sub-graphs and the detail feature sub-graphs so as to obtain approximate feature difference sub-graphs and detail feature difference sub-graphs; performing normalization processing for the feature difference sub-graphs, and performing addition and mean value treatment to obtain approximate feature saliency graphs and detail feature saliency graphs; utilizing a non-subsample direction filter bank to perform convolution filtering for the detail feature saliency graphs to obtain detail feature direction sub-band coefficients, and selecting a higher sub-band coefficient with higher energy according to the energy theory to reconstruct the detail feature saliency graphs; and performing segmentation for the approximate feature saliency graphs and the reconstructed detail feature saliency graphs, adding each segmented images after processing the segmented images, and then performing defect determination. The warp knitting fabric defect detection method based on wavelet contourlet transformation and visual saliency can improve the defect detection accuracy.

The invention discloses an integrated machine for auxiliary picking and classified collecting of fruits. The integrated machine comprises a picking device and a classifying device, and the picking device can precisely pick the fruits without damaging the fruits; the classifying device can obtain sizes of the fruits by capturing images of the fruits, and then classify the fruits according to the sizes of the fruits. Therefore, the human-assistance semi-automatic mode is adopted for picking, classifying and collecting multiple fruits, and the machine is simple in structure, low in cost, easy tooperate and convenient to move; after being picked, the fruits are directly classified and collected according to the sizes, the damage to the fruits and fruit trees in the picking process is reduced,the safety in the process of picking the fruits is improved, the efficiency of picking, classifying and collecting the fruits is improved, and the labor intensity of fruit farmers is reduced.

This invention provides a static condensed device for testing young's modulus, which is a condenser composed of an upper conductive metallic plate and a lower conductive metallic plate, one of which is taken as a mobile plate fixed by connecting an insulation material with a metal rod, the other pole plate is used for adjusting the distance between the up and down copper plates to constitute a static condensed young's modulus test device. When a slight charge happens to the distance between the plates, the capacitance changes accordingly in terms of the theory of gap variable of a plane condenser to test the metal young's modulus valve of rigid material.

The invention relates to a foundation bearing capacity filling packing in-situ detector, belonging to the geotechnical engineering mechanics field. which comprises: a casing, a crossbeam, a load sensor, a transmission shaft, a sounding rod, a sounding head, a data acquisition processor, a control display panel, a communication interface and a power supply box; The invention is characterized in that: the transmission shaft, the sounding rod and the sounding head is connected with the bottom of the load sensor fixed in the inner cavity of the casing; when the sounding head is inserted into soil mass, the load sensor generates a changeable signal, the signal is sampled, amplified, calculated and displayed by the data acquisition processor, and sent to the upper machine through the communication interface for intelligentizing processing. The invention is distinguished from the penetration test apparatus, sand cone method and nucleon density apparatus used in current engineerings, can solves the following problems in existing technologies: 1, in-situ disturbing dehydration caused by drilling soil sampling, 2, radiation pollution of the nucleon density apparatus, 3, the time and labor consumed in digging pit and filling sand, 4, large error in spring force measuring element, 5, visual error in rule read value and impossibility for keeping data.

The present application relates to syringes and auxiliary dosing devices for syringes. An auxiliary dosing device for a syringe includes a plunger rod having a proximal end and a distal end; and a dosing snap ring sleeving the outer periphery of the plunger rod and moving along the axial direction of the plunger rod. The dosing snap ring is configured to be circumferentially rotatable relative tothe plunger rod from a first position to a second position. As the dosing snap ring is circumferentially rotated from the first position to the second position, the plunger rod is capable of moving adistance in an axial direction relative to the meter snap ring in a distal direction.

The invention discloses environmental-friendly pavement regeneration treatment equipment which comprises a special automotive chassis, a shot-blasting working device, a dust removal device, a lifting device, a mechanical handle and a spin button operation control system, wherein a left shot-blasting unit, a middle shot-blasting unit and a right shot-blasting unit are arranged on the shot-blasting working device; an included angle of 95 degree is formed between each of the three shot-blasting units and the working face; the left and right shot-blasting units are arranged in parallel on the left and right sides of a shot-blasting box in the same direction; the middle shot-blasting unit is reversely mounted at a front position in the middle of the shot-blasting box; the front staggered position distance of the middle shot-blasting unit is just a hot zone width of the shot-blasting unit during operation; the shot-blasting working device is further provided with a magnetic separation device; a dust collection duckbill unit connected with the dust removal device is arranged at the tail part of the magnetic separation device; and two hydraulic self-locking cylinders are arranged in the magnetic separation device. According to the equipment disclosed by the invention, steel grit and dust can be effectively separated from each other, the equipment is simple and convenient in operation, easy to maintain, high in working efficiency, economic and environmental-friendly, the service life of the shot-blasting units is effectively prolonged, and the usage cost is reduced.

The invention provides a routine penetrometer which relates to geotechnical engineering mechanics. The routine penetrometer comprises a machine casing, a transverse beam, a load sensor, a transmission shaft, a touch probe rod, a touch probe, a data collection processor, a communication interface and a power supply box. The routine penetrometer is characterized in that the bottom of the load sensor fixed at an internal cavity of the machine casing is connected with the transmission shaft, the touch probe rod and the touch probe. When the touch probe is inserted into a soil body, the load sensor generates a signal change, the data collection processor carries out sampling, amplification and calculating display on the signal change, and the signal change is transmitted to an upper computer by the communication interface and is processed in an intellectualized way. Aiming at being distinguished from a penetrometer, a sand filling method and a nucleon density instrument which are used in engineering at present, the invention makes up the following defects of the prior art: (1) soil acquirement of drilling not only generates disturbance but also loses water; (2) nuclear radioactive rays generate contamination; (3) sand filling of pit digging consumes labor, time and force; (4) a spring used as a force measurement element has large error; and (5) the reading value of a scale has large visual error and also can not retain data.

The invention discloses an image description method fusing visual context. The method comprises the following steps: 1) preprocessing; 2) preprocessing of description labels of images; 3) feature extraction; 4) mean value pooling; 5) convolution and mean value sampling pooling; 6) acquisition of detection image entities; 7) acquisition of entity attributes; 8) convolution; 9) acquisition of entityattribute features; 10) convolution; 11) convolution; 12) convolution; 13) acquisition of relationships between the entities and the attributes; 14) matching of the relationships between entities andattributes; 15) LSTM training; 16) solving of exposure deviation; 17) dimension reduction; 18) normalization; 19) acquisition of a description statement, namely a model, of the current image; 20) acquisition of description sentences of all images; and 21) testing and verification of the training effect and performance of the model. With the method, the accuracy of image feature extraction can beguaranteed, visual errors are avoided, generated description is smoother so as to accord with grammatical rules of human beings, and higher scores are obtained for revaluation indexes.

The invention relates to a calibration device for a stress optical coefficient of a transparent material, belongs to the technical field of material detection, and solves the problems that an existing calibration device is complex, limited in use scene and large in calibration error. The device comprises a tension mechanism used for applying different axial tension forces to a transparent material standard component to be detected; a test light path mechanism which is used for receiving the visible light beam and obtaining the background light intensity of a test environment, the light intensity of emergent light with different wavelengths in a corresponding preset wave band range when the visible light beam is incident, and the light intensity of emergent light in a corresponding preset wave band range when the transparent material standard component to be detected is in different axial tensile forces; a processor which is used for obtaining the mapping relation between the internal stress and the optical path difference of the transparent material standard component to be detected according to the parameters through a numerical fitting method, and then calibrating the stress optical coefficient of the transparent material standard component to be detected. The device is simple in structure, not limited by the environment and high in calibration precision.

The invention relates to a method for eliminating a visual error between a forward-looking infrared device and a head-up display. By calculating a deviation of a visual axis of the forward-looking infrared device relative to a visual axis of the head-up display according to attitude data of a carrier aircraft, performing translation and shear processing on an infrared image output by the forward-looking infrared device and sending a processed infrared image to the head-up display to display, the visual error caused by mounting positions of the forward-looking infrared device and the head-up display can be solved, and an image displayed by the forward-looking infrared device on the head-up display is guaranteed to be consistent with an outside scene image seen by a driver via the head-up display.

The invention discloses a filament positioning system and a filament positioning method. The system and the method are used to solve problems that existing filament positioning efficiency is low and precision is low. The filament positioning system comprises a base plate, a first positioning adjusting mechanism and a second positioning adjusting mechanism. The first positioning adjusting mechanism is used for adjusting and positioning a position of a filament seat on the base plate so that the filament seats with different models can be fixed to the base plate. The second positioning adjusting mechanism is used for positioning and adjusting a filament. A detection module is used for collecting and displaying position information of a filament tip and the filament seat. The first positioning adjusting mechanism and the second positioning adjusting mechanism correspondingly adjust positions of the filament seat and the filament tip according to the position information. By using the filament positioning system and the filament positioning method adopting the filament positioning system, the system and the method are suitable for filament positioning of different types, and simultaneously traditional filament positioning precision and efficiency are increased.

The invention discloses a wastewater cleaning device for an urban garbage treatment station, belonging to the field of wastewater treatment. According to the invention, a deoiling light spot filter element adsorbs considerable oil stains and thus becomes poorer in permeability; after the deoiling light spot filter element is obviously slowed down in a wastewater cleaning speed, the filter element has high resistance to sewage, the impact of sewage on light spot change balls is increased, and the light spot change ball is deformed to extrude fluorescent liquid in the light spot change ball to move upwards so as to allow an empty light-emitting ball to be filled with the fluorescent liquid, so a light emitting ball at an upper half part also emits light spots, a worker can conveniently judge the permeability of the deoiling light spot filter element according to the change condition of the light spots on the light spot change ball; and meanwhile, when an oil absorption floating string absorbs more oil stains, the gravity of the oil absorption floating string is increased, and the oil absorption floating string gradually sinks, so the worker can judge the permeability of the deoiling light spot filter element according to the phenomenon, the deoiling light spot filter element can be conveniently cleaned in time, and the efficient wastewater cleaning capability of the deoiling light spot filter element is effectively ensured.

The invention provides a height measurement assisting tool used for a dummy head falling calibration test, and relates to a falling calibration test used for the dummy head. The height measurement assisting tool comprises a base; a supporting arm which is used for being installed on the base and enabling the dummy head to maintain the specific height of the falling calibration test relative to the falling impact plane of the falling calibration test; and a positioning member which is fixedly connected with the supporting arm and vertically installed, wherein the positioning member is provided with a first positioning part which indicates the height of the lowest part of the dummy head and a second positioning part which indicates the height of other parts of the dummy head, and the first positioning part and the second positioning part are used for enabling the dummy head to maintain the specific height of the falling calibration test. Compared with the method in the prior art that the dummy head is enabled to maintain the specific state before falling calibration of the dummy head, the efficiency of the height measurement assisting tool used for the dummy head falling calibration test is greatly enhanced.

The invention discloses an infrared stereo imaging method, system and device. The method comprises the steps: acquiring the infrared image data of a to-be-imaged object and distance data of all parts of the to-be-imaged object; associating the distance data of each part of the to-be-imaged object with infrared image data, and performing depth-of-field enhancement on the infrared image data based on the distance data to obtain image parallax data; obtaining infrared stereoscopic image data of infrared stereoscopic display infrared image data based on the image parallax data; processing the infrared image based on the distance data to enhance the depth of field, and compensating for the problem that the depth of field of the infrared image is insufficient, and displaying a stereoscopic image reflecting the depth of field and orientation to avoid visual errors, so the night accurate observation effect of a night vision product is exerted, and night danger is avoided.

The invention discloses an intelligent calculation method for hydrogeological parameters of an unstable flow pumping test, and the method comprises the steps: obtaining observation test data based on the unstable flow water pumping test, and drawing a test curve; constructing a deviation quadratic sum objective function during wiring fitting of the test curve and the standard curve according to a least square method principle; initializing parameters in the intelligent optimization algorithm, solving the minimum value of the wiring deviation square and the target function through the intelligent optimization algorithm, and completing optimal fitting of the test curve and the standard curve; when the standard curve is a single curve, calculating the longitudinal and transverse movement distances of the test curve during optimal fitting, and when the standard curve is a curve cluster, calculating the longitudinal and transverse movement distances of the test curve during optimal fitting and standard curve matching parameters; and when the test curve and the standard curve are subjected to optimal wiring fitting, randomly selecting a matching point, and calculating hydrogeological parameters according to the values of the matching point in the two coordinate systems.

The invention provides an ICT automatic test machine control system suitable for a PCB, and the system comprises an image collection module which is used for positioning the PCB, carrying out the all-dimensional surrounding image collection of the PCB, and obtaining a PCB image, and an ICT test module which is used for automatically recognizing a component of the PCB image, carrying out the region segmentation according to the component, determining a component subregion, and carrying out the detection of the component subregion. The partition test module is used for carrying out partition test on the PCB image and carrying out automatic comparison and difference calculation with a standard component partition image to generate a partition automatic test result, and the test result feedback module is used for receiving the partition automatic test result, summarizing the automatic test results of all partitions and generating and feeding back a total result. The limitation of the model of the PCB is avoided, and the PCB of different models can be automatically tested.

The invention relates to a connection device, specifically relates to a connection device for connecting a gate and a body of a semiconductor refrigerator, and an assembling method thereof. The connection device comprises a refrigerator gate and a refrigerator body; a hinge which is axially spaced at an interval and connected between the refrigerator gate and the refrigerator body. The hinge comprises an upper hinge and a lower hinge corresponding to each other, and a connection shaft inserted between the upper hinge and the lower hinge. The connection shaft of the hinge axially spaced at an interval is disposed vertically. The upper hinge and the lower hinge are positioned respectively and matched with each other after fastening by insertion. The invention solves the problems in prior art that quick assembling can not be realized and sealing effect is poor. The invention is provided with advantages of simple structure, easy realization, quick assembling and high yield.

The invention relates to nickel titanium spring production equipment and an application method thereof. A length control device is additionally provided in centerless grinding for grinding nickel titanium alloy wires by one person, so that the manpower is saved, the production efficiency is improved, meanwhile, the visual error caused by manual observation and marking is prevented, the grinding precision is greatly improved, and the grinding length control is achieved; meanwhile, a scratch preventing device is additionally provided in thermal drawing for effectively preventing scratch of the surfaces of the wires under the precondition of not influencing normal quick batch production; and in addition, automatic winding equipment is adopted in spring winding for realizing winding of nickeltitanium alloy springs through a motor and simple mechanical structures, so that the winding process is automatic, the spring winding stability is improved, the rebound caused by cutting of applied force cannot occur, and the labor cost and the risk are reduced.