511 results about "Visual observation" patented technology

A laser interferometer is embedded into an interference microscope to precisely determine the in-focus position of the microscope objective's reference mirror. A collimated laser beam is introduced into the microscope system and split into two beams directed toward a calibration reference surface and the interference objective. The light reflected from the calibration reference surface is returned to the camera. The light into the interference objective is focused onto the reference mirror and returned to the camera. For the purpose of calibration, the two beams are combined at the camera to produce interference fringes. When the reference mirror is in focus, the returned beam is collimated; if the mirror is on either side of focus, the beam is either converging or diverging. Accordingly, the interferogram produced at the camera reflects the in-focus or out-of-focus condition of the reference mirror. The curvature of the wavefront returned from the reference mirror is determined electronically by analyzing the interference fringes produced with the beam returned from the calibration reference surface. By minimizing the curvature of the reference-mirror wavefront as the mirror is translated along the optical path, the reference mirror can be focused with an accuracy greater than possible by visual observation. Furthermore, by automating the focusing system with a precise translation mechanism driven by closed-loop control, operator-to-operator variations are completely eliminated.

When a vehicle attempts to enter a priority road from a non-priority road, a visibility determination processing section compares moving object information on the priority road obtained from a first infrastructure facility installed near a stop position with moving object information on the priority road detected by an autonomous sensor mounted on the vehicle, and determines that the visibility is poor if the former does not match the latter or determines that the visibility is good if the former matches the latter. Then, when the former does not match the latter, the driver is informed of intersection support information. When the former matches the latter, the driver is not informed since it is determined that the driver has already recognized the information by visual observation.

An endoscopic pedicle probe for use during spinal surgery to form a hole in a pedicle for reception of a pedicle screw has an enlarged proximal end for cooperation with the hand of the surgeon and an elongate shaft terminating in a distal tip that may be pushed through the pedicle to form the hole. An integrated endoscope and light extend through the shaft to enable the surgeon to visually observe the target area, and a conduit extends through the shaft to convey a fluid to irrigate the target area. In a preferred form the probe is connected with an electromyographic or mechanomyographic monitoring system to alert the surgeon when a breach is about to occur. In a further embodiment, two endoscopes are associated with the probe. The complete probe may be disposable, or just the tip may be detachable for disposal or replacement.

A collapsible feeder for birds, squirrels and the like and comprises a feeder body including a base and a rim. A series of hollow body segments of graduated diameters extend upwardly from the base within the rim to form a feeder body. The segment of smallest diameter is joined to the base and has a plurality of feed outlet openings formed therein to enable feed from within the feeder body to pass outwardly therefrom onto the base inwardly of the rim. A feeder lid is provided at the upper end of the segment of greatest diameter when the feeder body is in the extended position. The body segments include structure for yieldably maintaining the feeder in its straight extended position for filling and hanging. At least some of the body segments are comprised of a perforated metal material to enable the visual observation of the feed level within the feeder.

The invention provides a colorized night vision image brightness enhancement method applicable to an automotive assisted driving system. The method comprises the following steps of: firstly, transforming a night vision colorized image from a red, green and blue (RGB) space to a luma and chroma (YUV) space to overcome the shortcoming of color distortion caused by direct processing of the night vision colorized image in the RGB space; then processing a brightness component image by using an S-curve correction Retinex algorithm so as to enhance the detail and the brightness of the image; enhancing the brightness component image by a selective nonlinear grey level mapping method and keeping good shadow information; and finally, performing weighed fusion on the two enhanced images by a weighed fusion method and inversely transforming the weighed fusion brightness component image and a UV component image to the RGB space for displaying. The enhanced image acquired by the method keeps the necessary shadow information and has the detail and the brightness applicable to vision observation; and the night vision colorized image has a good enhancement effect.

The invention discloses a system and a method for locating an inspection robot in a petrochemical plant. The system comprises a global positioning system (GPS) observation unit, an ultra-wide bandwidth (UWB) observation unit, a visual observation unit, a laser observation unit, a mileage observation unit, a combination decision module, an inertial state estimation module, an available positioningobservation/strapdown inertial navigation system (SINS) combination module, and a positioning information fusion module. The GPS observation unit, the UWB observation unit, the visual observation unit, the laser observation unit and the mileage observation unit acquire the respective observation data and send same to the combination decision module; the combination decision module performs multi-layer map-based positioning by combining an environmental map model stored in an environmental model prior information module so as to determine available observation types; the available positioning observation/SINS combination module combines available observation data with a corresponding motion equation established by an inertial state estimation module, and the combined result is sent to the positioning information fusion module for carrying out final integrated pose estimation. The system and the method solve the problem of seamless positioning of the inspection robot which runs in various complicated regions of the petrochemical plant, and guarantee the continuity of a positioning process and the stability of the positioning result.

The invention provides a simulator for training of personnel for immediate postpartum medical treatment, distinctive in that the simulator comprises a representation of an immediate postpartum stage uterus, a cervix, a vagina and a resilience member, the uterus is arranged at an angle to the vagina and the resilience member is arranged for allowing said angle to be straightened out by pressing horizontally forward on the uterus. The invention also provides a simulator for training of personnel for immediate postpartum medical treatment, distinctive in that the simulator comprises a representation of an immediate postpartum stage uterus, a cervix and a vagina, the uterus comprises a transparent top or intermediate layer allowing visual observation, and preferably a removable or foldable non-transparent top layer over the transparent layer.

A protective tool for a therapeutic material delivery device prevents wrong sticking of the outer needle of the device after use and prevents dissipation of blood adhering to the outer needle and comprises a cover (8′A) and a cap (61) or stopper (65) attached to a forward end of said cover for protecting the forward end of the outer tubular needle (2A), wherein said cover (8′A) is formed of a plurality of tubes (8′A1, 8′A2, 8′A3, . . . ) having different diameters that are formed so as to consecutively decrease from a forward place to the outer needle hub (2B) in a backward place, and said tubes are thereby connected such that the cover (8′A) is extendable in the longitudinal direction, and a cartridge for use with the therapeutic material delivery device permits direct calibration of a radioactive source charged therein and comprises a transparent cartridge body (8, 18, 38) that holds said therapeutic material (10) inside and permits external visual observation of the therapeutic material (10) and a shielding outer tube (9, 19, 39) that is fitted on an outer circumference of the cartridge body, is slidable in the longitudinal direction of said cartridge body and is made of a radioactive ray shielding material, said cartridge body (8, 18, 38) being exposable with said sliding of said shielding outer tube.

An improved coffee brewer and brewing method are provided for producing brewed coffee with improved flavor. The coffee brewer includes a brew basket having jet ports connected to a source of heated water and positioned to deliver hot water streams into the brew basket at a location beneath the level of coffee grounds contained therein. These hot water streams turbulently agitate and stir the coffee grounds to produce a substantially fluidized bed of water-borne coffee grounds for improved flavor extraction and enhanced aroma. This fluidized bed is directed against one or more mesh filter elements forming a wall portion of the brew basket for outward passage of the thus-brewed coffee which is then directed into an underlying carafe or the like. In one preferred form, a portion of the brew basket may incorporate a window to permit visual observation of the fluidized bed therein.

The invention provides an object detection and identification method, device, electronic equipment and a storage medium; the object detection and identification method based on multi-sensor fusion comprises the following steps: obtaining visual observation data of one or more objects according to image data of an image acquisition device; clustering laser data of a laser radar sensor, and obtaining position information of one or more objects to serve as the laser observation data; obtaining millimeter wave observation data of one or more objects according to millimeter wave data of a millimeter wave radar sensor; fusing and filtering the visual observation data, the laser observation data and the millimeter wave observation data of the same object according to time sequence so as to obtainthe fused observation data, and detecting and identifying the object according to the fusion data. The method and device can improve the object detection and identification reliability, stability andrecognition rate.

A levee and barrier module for fluid control and containment is provided including an outer module shell and a module-to-module connection system to attach adjacent outer shells. The outer module shell, being in the general shape of a prism or prism with curvilinear section, is formed by opposing side walls and two opposing end walls, and is configured to enclose or support filler material. The two opposing end walls are configured with end apertures. The outer module shell defines a top aperture and a bottom aperture. When modules are placed end to end in a levee structure the end apertures allow filler material communication horizontally between adjacent modules. The bottom aperture allows filler material communication with the earth below the module. The top aperture allows filler material to be added to the module, as well as visual observation of, and maintenance of, the amount of contained filler material.

The invention relates to a testing device in the aviation field, in particular to a liquid drop and solid plate oblique collision testing device. The problems that an oil drop and cavity wall collision visual test cannot be carried out in an existing aircraft engine bearing cavity test platform, the physical variance of the adjustment scopes of parameters such as liquid drop sizes of other liquid drop and solid wall face collision testing devices and a bearing cavity project is large, the device is complex in structure and high in cost are solved. According to the technical scheme, the liquid drop and solid plate oblique collision testing device is built and comprises a supporting frame, a liquid drop generation component, an angle-adjustable solid plate component, an oil return component and a lighting pick-up system, the dropping diameters of liquid drops are changed by changing syringe needles of the liquid drop generation component, and the dropping speed of the liquid drops is changed by changing the distance between the liquid drop generation component and a collision plate in a sliding mode; oblique angles of the collision plate can be continuously changed. By means of the liquid drop and solid plate oblique collision testing device, the splashing critical working condition caused after the liquid drop and solid plate oblique collision happens is conveniently determined, visual observation on the oil drop and cavity wall collision can be achieved, and cost is reduced.

A system and method for exchanging information between aircraft (210). Sensors on a first aircraft (210) provide data about the first aircraft's environment, including hazards such as turbulence, icing, lightning, or birds. The system transmits the data to receiving systems in other aircraft (210), which display the data, to warn the pilots flying the other aircraft of potential hazards. The pilot of the first aircraft may supplement the information with visual observations, about birds or unmanned aerial vehicles, for example. In one embodiment, the information is transmitted from aircraft to aircraft over a data link using ADS-B. In another embodiment, a first aircraft may transmit data to a second aircraft, which may relay, or re-transmit, the data to a third aircraft.

Specific embodiments of the invention are directed to improved phacoemulsification procedures involving the use of processed non-visual three-dimensional data (i.e. diagnostic scan data) to provide a surgeon with additional guidance (i.e. more than that generally obtained from visual observation of the working area) concerning the distance separating a working end of a phacoemulsification instrument and the posterior portion of the capsule of the eye during surgical procedures involving the removal of the crystalline lens of an eye (e.g. a cataract removal procedure). Such separation (i.e. distance or gap) information may be used to aid the surgeon in cutting or scoring the lens to a desired depth while minimizing the risk of penetrating the posterior portion of the capsule with the working end of the instrument. Some embodiments provide for the visual and/or auditory conveyance of distance information to the surgeon wherein visual information may be conveyed by overlaying it with real visual images of actual surface features viewed by the surgeon. Additional embodiments provide for overlaying visual representations of selected three-dimensional structure information (e.g. depths of troughs cut into the lens) with the real surface feature images viewed by the surgeon.

The invention discloses a control system for tapping and slagging of a converter, which comprises the converter (4), a ladle (5), and a console (6). A slagging detection system and an automatic converter-lifting control system (3) are arranged in the control system; and the slagging detection system comprises a thermal infrared imaging detection system (1) and an image analyzing and processing system (2). By adopting the technical scheme of a thermal infrared imaging method, converter slagging conditions can be detected in time; slag can be stopped in combination with a slag-stopping ball at the same time; converter tapping conditions can be continuously monitored in real time; the slag and molten steel can be distinguished accurately; the response speed is high; and the timely judgment, timely converter-shaking and timely addition of the slag-stopping ball can be realized so as to reduce the tapping and slagging amount of the converter. The control system has the advantage of long service life because equipment is far away from a converter body, reliable operation, no need of visual observation of workers, convenient maintenance and few space requirements.

The invention discloses a one-step nucleic acid test method based on CRISPR/Cas (clustered regularly interspaced short palindromicrepeats/CRISPR-associated protein) and isothermal amplification and akit. The method is a quick field test method used for testing nucleic acid and displaying visual test results through fluorescent light or lateral side immunochromatographic test paper. The test accuracy is effectively ensured through specificity of crRNA (RISPR-derived ribonucleic acid); at a room temperature, whether a test sample contains test nucleic acid can be determined through the test paper or the fluorescent light within 1-2h; and compared with the traditional test method, the precision, simplicity and convenience in operation of the test method are improved to some extent. The kit with purified freeze-drying LbaCas12a, crRNA and RPA (recombinase polymerase amplification) can be formed; a nucleic acid segment of a specific sequence can be conveniently and quickly tested on site;a complicated temperature control instrument such as a PCR (polymerase chain reaction) instrument and other electrophoresis and centrifugation equipment are not required; and nucleic acid of the specific sequence can be tested quickly and sensitively only by a thermostatic device and fluorescence detection equipment and even visual observation.

The invention discloses an image processing and mode recognition technology-based rice blast spore microscopic image recognition method, relates to the field of rice blast spore microscopic image recognition, and aims at solving the problems that the field detection is incorrect due to visual observation and judgment, a current experiment is huge in demand for samples and the traditional microscope spore counting needs plenty of time and is high in initial disaster situation finding difficulty. The method comprises the following steps: I, converting an original image into a grey-scale map; II, carrying out image enhancement processing on the grey-scale map; III, obtaining a binarization effect picture; IV, obtaining a denoising effect picture; I, obtaining a graph outline suspected to be rice blast spores; VI, recognizing a rice blast spore microscopic image, finally completing the recognition of the rice blast spores and counting the quantity of the rice blast spores. The image processing and mode recognition technology-based rice blast spore microscopic image recognition method is applied to the field of rice blast spore microscopic images.

A coaxial cable connector is provided with a generally tubular mandrel. An attachment element and a retainer are associated with the mandrel and a bushing is telescopically mounted on the retainer. The bushing is adapted for axial movement along the retainer to a closed position wherein the bushing biases a first portion of the retainer into sealing engagement with a seating surface on the exterior of the mandrel. The retainer is sufficiently translucent to permit visual observation of a cable inserted into the retainer.

In order to provide a wired circuit board in which electrical continuity inspection can be omitted and a connection structure of the wired circuit board, in connection between a first wired circuit board 1 and a second wired circuit board 2, a first connection terminal 13 and a second connection terminal 14 are abutted against each other in the direction in which they are opposed along the respective longitudinal direction of the wired circuit boards, and are arranged in line with each other, and a solder bump 15 is provided so as to continuously extend over surfaces of the first connection terminal 13 and the second connection terminal 14. Consequently, the solder bump 15 is not interposed between opposed surfaces of the first connection terminal 13 and the second connection terminal 14, thereby allowing electrical connection by the solder bump 15 between the first connection terminal 13 and the second connection terminal 14 to be confirmed from the appearance by visual observation.

Appearance learning systems, methods and computer products for three-dimensional markerless tracking of robotic surgical tools. An appearance learning approach is provided that is used to detect and track surgical robotic tools in laparoscopic sequences. By training a robust visual feature descriptor on low-level landmark features, a framework is built for fusing robot kinematics and 3D visual observations to track surgical tools over long periods of time across various types of environments. Three-dimensional tracking is enabled on multiple tools of multiple types with different overall appearances. The presently disclosed subject matter is applicable to surgical robot systems such as the da Vinci® surgical robot in both ex vivo and in vivo environments.

The invention discloses a bending test method and bending test device of a flexible screen. The bending test method of the flexible screen includes the following steps that: a plurality of detection points are arranged on the flexible screen; the pressure values of each detection point are obtained; and the curvature of each detection point is calculated according to the pressure values of each detection point, and the bending information of the flexible screen is obtained. With the bending test method and bending test device of the flexible screen of the invention, the bending information of the flexible screen of a mobile terminal can be detected; the pressure values of the front surface and the back surface of each detection point are both detected, and therefore, the accuracy of detection can be improved; and an image displayed by the flexible screen can be compensated in a targeted manner according to the detected bending information, and therefore, a user can see a basically flat image on the bent flexible screen, and the visual observation experience of the user can be improved.

The invention provides a core three-dimensional multi-parameter measuring instrument based on visual observation of crack. The instrument comprises a controller and a core holder. The controller is used for sending and receiving signal; and measurement of all core parameters is finished in the core holder. The instrument uses nosean core as a main subject, and is provided with upper plungers with three different functions comprising a visualization plunger, an electroacoustic plunger and a porosity permeability plunger, and a public lower plunger. For experiments, nosean core is placed into the holder which is loaded with plungers at both ends, and parameters of the system are set, so that the instrument can automatically complete the corresponding parameter tests. Under conditions of heating and pressurization, the visualization plunger is used to realize real-time observation on crack changes and measurement of crack width through an internally configured camera; the electro-acoustic plunger and the porosity permeability plunger can measure parameters of core, such as porosity, permeability velocity, wave velocity and resistivity, and observe a displacement process and changes of core cracks; and measurement of parameters at three directions X,Y and Z of the core can be realized by changing loading direction of nosean core.

The invention relates to a detection device of an assembly machine of a bearing ball separation retainer after riveting press. The detection device is characterized in that the device comprises a frame, an electric control system and a lifting mechanism; an upper detection module is connected with the lifting mechanism; a lower module is arranged on the frame below the upper detection module and used for positioning a bearing to be detected; a first plate electrode and a second plate electrode of the upper detection module are respectively arranged in notches at two ends of an upper module body; a plurality of detection needle holes are formed on the upper module body, the second plate electrode and an upper module head; a plurality of detection needles are respectively arranged in the detection needle holes; a returning spring is arranged at the upper end of detection needles; whether the riveting press of a bearing retainer to be detected is qualified or not can be judged through the contact and break-over condition of the detection needles, the first plate electrode and the second plate electrode. Since the automatic detection manner replaces the visual observation, bearings in mass production can be fully checked, the detection efficiency is high and the detection accuracy is high, thereby reducing the labor intensity and the production cost of bearings.

The invention provides a realization method in which intermediate node information correlated to an internal action logic of a relay protection device is uploaded and a visual logic diagram is combined to invert a protection process of the internal logic when there is a fault at a power grid. The provided method can be applied to a power grid fault information system. And the method comprises the following steps that: when there is a fault at a power grid, internal logic operation information of a relay protection device is processed to generate an intermediate node file that can describe the fault in detail; according to an IEC61850-8-1 protocol, the relay protection device uploads the intermediate node file and a fault wave-recording COMTRADE file to a remote fault information master station; and a visual application module loads the intermediate node file, the protection logic diagram file and the COMTRADE fault wave-recording file to demonstrate a protection logic operation situation in the whole fault process. According to the invention, a visual observation means is provided for inversion of an accident in a power system; and a rapid, accurate, and high efficient informational way is provided for accident localization and a fault analysis; therefore, an action process of a relay protection device is hyalinized and the visibility is realized.

A method for detecting the alertness of a vehicle driver includes the detection of a potentially dangerous situation by a system of the vehicle; the estimation of a visual observation field of the vehicle driver; and the detection of the alertness of the vehicle driver by comparing an orientation or a position of the potentially dangerous situation to the visual observation field of the vehicle driver.

The invention provides a composite multifunctional anti-counterfeiting mark manufactured by utilizing laser etching. With respect to adopted technical means, the composite multifunctional anti-counterfeiting mark manufactured by utilizing laser etching is composed of a thin film layer, a stripping layer, a mould pressing layer, an aluminized layer and a glue layer; an optical variable image is provided with a reserved position which is added with a background pattern with the anti-counterfeiting function; the substances of the mould pressing layer and the aluminized layer in the background pattern are selectively gasified by high-energy laser to obtain an image, characters or marks which are formed by a blank position and the background pattern; consumers can easily judge the authenticity of the product by the direct visual observation by virtue of the high anti-counterfeiting performance of the optical variable image on the mark and the uniqueness of a two-dimension code and the optical variable image which are located and processed; and the invention can also provide a platform to form an interaction between the consumer and a product manufacturer by utilizing a terminal device, so that the anti-counterfeiting mark provided by the invention achieves the purposes of market popularization, market information collecting and product tracking while the information of the product is assured.

The invention provides a visual test device for a damaged form of a pile-soil contact surface of a specially-shaped pile and a use method. The test device comprises a bearing platform, a model pile, a model tank, a water bath tank, a temperature control system, a laser source and a digital camera device, wherein the model pile is arranged as a full-scale specially-shaped pile and is arranged in the model tank; transparent soil is arranged on the periphery of the model pile; the model tank is arranged in the water bath tank; a rotating shaft hole is formed on the bottom of the model tank while a rotating shaft is arranged in the model tank; the rotating shaft is used for driving the model pile to generate vertical displacement or torsional displacement; the temperature control system is matched with the water bath tank and is used for adjusting the temperature of the pile-soil contact surface; and the laser source and the digital camera device are arranged on the upper side and side wall of the model tank. According to the visual test device provided by the invention, the visual observation for shear deformation of concave surface of the cross section of the specially-shaped pile can be realized; the shearing damage characteristics of different loading modes, different temperatures and different piles can be compared; the visual test device has significance in research on shearing of the contact surface of the full-scale model pile; the visual test device provided by the invention has the advantages of simple structure, convenience in operation, easiness in realization and lower cost.

A lead frame of the present invention is a lead frame used for the production of semiconductor package, wherein each of terminals to be wire-bonded of the lead frame between electrodes provided on the top surface of semiconductor device mounted on a die pad and the terminals has one or two groove(s) for limiting plating area of noble metal for wire-bonding. A semiconductor package of the present invention is produced using the lead frame. Since grooves are provided in each terminal, the accuracy of plating area can be easily checked by visual observation. Accordingly, the cut of inspection cost can be carried out. Further, the grooves absorb stress applied to terminal when molded semiconductor packages are separated individually from each other by means of punching or dicing. Accordingly, coming off of molding compound from terminal is prevented. Further, since the grooves absorb stress applied to terminal by vibration after mounting a semiconductor device on the printed circuit board, the reliability of assembly is improved. Further since molding compound is inserted into grooves of terminal, the adhesion of terminal to molding compound is improved so that moisture is difficult to be absorbed between terminal and molding compound. Accordingly, the reliability of semiconductor is improved.

The invention discloses a nozzle detecting system and method. The system is located inside a working bin and used for atomizing detection of a nozzle. The system comprises a clamp, video cameras, LED lamp sources and a processor, wherein the clamp is located at the center of the working bin and used for fixing the nozzle; the video cameras are arranged on the periphery of the working bin and used for shooting the cone angles of spray mist sprayed from the nozzle fixed to the clamp; the LED lamp sources are mounted on the top of the working bin and used for giving out a white light source and compensating light for the video cameras; the processor is used for obtaining the light environment inside the working bin, timely adjusting the light source intensity of the LED lamp sources according to the light environment of the interior of the working bin, and conducting grey processing on the spray mist cone angles shot by the video cameras through the light source intensity of the LED lamp sources so to as determine the sizes of the spray mist cone angles. By means of the nozzle detecting system and method, the problem of visual observation is effectively solved, and the labor intensity of operators is relieved; moreover, the influence of the illumination light source on the lighting environment inside the bin can be avoided.

The invention discloses a grouting and chemical electro osmosis combined discrete material pile model testing device and testing method. The testing device is characterized by comprising a transparent model tank, wherein a transparent pressure plate is arranged at the upper part of the transparent model tank, a discrete material pile is arranged in the transparent model tank, an electric geogrid is pre-buried in the outer side of the discrete material pile, the top part of the electric geogrid is connected with the positive electrode and the negative electrode of a direct current power supply by lead wires respectively, a grouting pipe is pre-buried at the center position inside a pile body, the discrete material pile is simulated by water-soluble transparent soil and soil at the periphery of the pile is simulated by oil-soluble transparent soil, one side and the upper part of the outside of the transparent model tank are provided with a laser source arranged on a moving mechanism, a digital camera arranged on the moving mechanism and used for observing the space of the transparent model tank is arranged on the front view surface and the top view surface of the outside of the transparent model tank, and the digital camera is connected with a processing device by a data line. The testing device is simple and convenient to operate and has strong repeatability, and the prepared transparent soil is similar to the natural soil body in property; the testing method can be used for chemical electro osmosis, formation of the grouting pile body, and visual observation and measurement of grout seepage in the soil at the periphery of the pile.