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87results about How to "Facilitate image acquisition" patented technology

Radar and video fused large-scale monitoring system and method

InactiveCN105376538ARealize all-round continuous monitoringAccurate trackingClosed circuit television systemsVideo monitoringRadar
The invention discloses a radar and video fused large-scale monitoring system and method. The device comprises a central control device and monitoring terminals which are connected with the central control device and respectively arranged at needed monitoring areas; the monitoring terminals comprise a controller, a video monitoring module and a radar monitoring module composed of more than one radar monitor, wherein the video monitoring module and the radar monitoring module are respectively connected with the controller; all radar monitors are arranged at the needed directions where the needed monitoring areas can be completely covered within each corresponding coverage area; when a target radar monitor monitors a target, the controller controls the video monitoring module to adjust an acquisition direction and transmit an acquired target image to the central control device to perform recognition and tracking. The method uses the system to realize large-scale intelligent monitoring. The radar and video fused large-scale monitoring system and method provided by the invention have the advantages that omnidirectional intelligent monitoring of a large-scale area can be realized, the target can be quickly and accurately tracked and recognized and the monitoring precision is high.
Owner:湖南纳雷科技有限公司

Constant volume combustion bomb and combustion device with same

The invention provides a constant volume combustion bomb. The constant volume combustion bomb comprises a bomb body which is internally provided with a cavity serving as a combustion cavity and is in the shape of a cube. The bomb body has six working surfaces serving as main mounting surfaces and auxiliary mounting surfaces formed at eight corners. The main mounting surfaces and the auxiliary mounting surfaces are provided with main mounting holes and auxiliary mounting holes. The constant volume combustion bomb further comprises a main mounting base accommodated in two opposite main mounting holes, a glass mounting base accommodated in another two opposite main mounting holes, a magnetic coupling fan accommodated in the last two opposite main mounting holes and used for driving mixed gas in the combustion cavity of the bomb body rotationally to make the mixed gas form a vortex, and auxiliary mounting bases accommodated in the auxiliary mounting holes to measure the pressure and temperature in the combustion cavity of the bomb body. The invention also provides the corresponding combustion system. The device has a structure adaptive to the combustion conditions of an internal combustion engine, allows comprehensive observation of a combustion process and thus is suitable for premixed combustion heating type constant volume bomb spray combustion diagnosis experiments with various research requirements.
Owner:HUAZHONG UNIV OF SCI & TECH

System and method for power supply control

A resonant power supply is provided. The resonant power supply comprises a series resonant converter configured to convert an input DC voltage to an output DC voltage to generate an output DC voltage. The series resonant converter includes a switching stage, a resonant inductor, a resonant capacitor, and an isolation transformer. The resonant power supply further comprises a converter controller configured to obtain an actual trajectory radius signal based on a resonant inductor current, a resonant capacitor voltage, and a voltage in association with the isolation transformer. The converter controller is further configured to generate a trajectory radius command signal based on a DC voltage command signal and a DC voltage feedback signal, and to generate control signals to be applied to the switching stage based on the actual trajectory radius signal and the trajectory radius command signal.
Owner:GENERAL ELECTRIC CO

System and method for determining a seed vigor index from germinated seedlings by automatic separation of overlapped seedlings

InactiveUS6882740B1Facilitate acquisitionFacilitate image acquisition and analysisImage enhancementImage analysisComputer basedAdemetionine
A system and method for automatically determining a seed vigor index for a lot of seeds by analysis of a scanned image of a plurality of seedlings grown from lot of seeds, including automatically separating and analyzing overlapped seedlings. According to one aspect of the current invention, seedling analysis software is used to analyze an image of seedlings. The seedling analysis software preferably analyzes both hypocotyl and radicle lengths and thus determines the separation point between the two for each seedling. The seedling analysis software also preferably separates overlapped seedlings, preferably using a simulated annealing technique. According to another aspect of the present invention, a low-cost scanner placed in an inverted configuration in a scanner enclosure is used to generate high-quality, reproducible images of seedlings. According to yet another aspect of the present invention, a method of using ordinary germination boxes, i.e., “sandwich boxes” is used to germinate seedlings that greatly facilitate computer-based analysis. In general, this method comprises placing germination blotter paper in the lid of a sandwich box and growing seedlings within the sandwich box in a nearly vertical (upright) position in a darkened germination chamber. The resulting seedlings produce hypocotyls that grow essentially upward and radicles that grow essentially downward, which greatly facilitates image acquisition of the entire seedling, e.g., with an inverted scanner.
Owner:THE OHIO STATE UNIV RES FOUND

Ultrasound image acquisition guiding device and method

InactiveUS20070276246A1Facilitating ultrasound medical image acquisitionFacilitating ultrasound image acquisitionUltrasonic/sonic/infrasonic diagnosticsInfrasonic diagnosticsUltrasound imagePhysical therapy
In an embodiment, there is an apparatus for facilitating ultrasound medical image acquisition. There is a guide to help guide an ultrasound probe during a scanning operation. The guide resists at least some undesired movement of the ultrasound probe. The at least some undesired movement is otherwise possible, without the guide, under freehand probing. In another embodiment, there is a method for facilitating ultrasound image acquisition. The method includes providing a guide; guiding an ultrasound probe during a scanning operation using the guide, including resisting at least some undesired movement of the ultrasound probe; wherein the at least some undesired movement is otherwise possible, without the guide, under freehand probing. The guide and guiding are especially beneficial for three-dimensional or panoramic ultrasound imaging.
Owner:LIN SHENGTZ

Soil crack feature information extraction method

The invention discloses a soil crack feature information extraction method. The method comprises the following steps of S1, shooting a soil crack image; S2, carrying out soil crack image enhancement processing; S3, segmenting a soil crack image; S4, carrying out morphological processing on the binary image; and S5, extracting the soil crack feature information. The soil crack characteristic information is extracted by adopting the digital image processing technology, and compared with a traditional method, the method has the advantages of being simple and convenient in image collection, high in accuracy, rich in processing content, high in flexibility, free of random errors, high in calculation efficiency and the like.
Owner:JIANGSU OPEN UNIV +1

A method and apparatus for judging the advertisement cost based on the statistics of the number of the elevators

The invention discloses a method for judging the advertisement cost based on the statistics of the number of the elevator, which comprises the following steps: (1) judging whether the elevator is ascending and between the first floor and the second floor; (2) collecting images of the vertical ladder space; (3) analyzing and processing the collected images; (4) calcuating the number of passengers on the vertical ladder; (5) calculating the number of people watching advertisements on the vertical ladder. The invention also discloses a device for judging the advertisement cost based on the statistics of the number of the elevator, which comprises a detection unit for the status of the elevator, an image acquisition unit, an image analysis unit and a number of people statistics unit. The method of the invention is more reasonable than the traditional charging on time, and can achieve the effect of accurately placing advertisements.
Owner:ZHEJIANG NEW ZAILING TECH CO LTD

Mobile phone camera fixing device for optical instrument

ActiveCN104869198ARealize imaging and shootingEasy to shoot and imageMountingsTelephone set constructionsEyepieceComputer module
The present invention discloses a mobile phone camera fixing device for an optical instrument. The device comprises a mobile phone fixing seat and a barrel clamp module for clamping and fixing the eyepiece barrel of the optical instrument. The barrel clamp module comprises a base, a clamp body and a clamp adjustment hand wheel. The clamp body is connected to the mobile phone fixing seat through the base. The axis of the clamp body is provided with an imaging hole. The clamp adjustment hand wheel movably sleeves the clamp head and is threadingly matched with the clamp body. The edge of the clamp body is hinged to a plurality of rotatable clamp rods, the tail ends of the clamp rods are in contact with the clamp adjustment hand wheel, and a torsion spring is arranged between the clamp rods and the clamp body. According to the mobile phone camera fixing device, a mobile phone can be used to realize optical instrument image shooting, and the device has the advantages of rapid and convenient image collection, convenient operation, low cost, and firm and stable barrel clamping.
Owner:上海博览光电仪器有限公司

Object trace management system

The invention discloses an object trace management system, belongs to the field of logistics management information trace, and aims to solve the problems of single recognition mode, high difficulty and high probability of causing confused labeling and staining in the existing trace system. The object trace management system comprises a server, a database, an information acquisition terminal, a data writing module, a label printer module, a local area wireless platform and a cloud server, wherein the server is connected with the database; the database is connected with the information acquisition terminal, the data writing module and the label printer module respectively; the information acqusition terminal comprises a barcode data acquisition module and an image acqusition module; the server is connected with the local wireless platform and the cloud server respectively. According to the system, barcode information approval is facilitated, the accuracy for object acquisition information is guaranteed, the working steps of the trace system are reduced, and the trace efficiency and the simplification of an application process are effectively guaranteed.
Owner:HARBIN HONGGUYUAN TECH DEV

Depth calculating method under haze environment

InactiveCN107038718AFacilitate image acquisitionAtmospheric transmission rate optimizationImage analysisVision processingSingle image
The invention belongs to the field of computer vision and the optimal method, and provides a depth calculating method under a haze environment. The method can more accurately calculate the depth map of a scene in a single image, and even calculate the depth information of the scene at a farther place. To achieve the abovementioned object, the technical scheme is adopted that the depth calculating method under the haze environment comprises steps of 1) capturing the color map of a current scene with a hand-held camera or an image acquisition device; 2) using the color map collected in step 1) to estimate the PM2.5 value of the current scene; 3) according to the color map collected in the step 1), calculating the atmospheric transmission rate t (x) in the current scene; and 4) based on the PM2.5 value obtained by the step 2) and the atmospheric transmission rate t (x) in the current scene calculated in the step 3), finally obtaining the depth data of the current scene. The method is mainly applied to computer vision processing occasions.
Owner:TIANJIN UNIV

Pineapple picking machine based on machine vision and picking method

The invention discloses a pineapple picking machine based on machine vision and a picking method. The pineapple picking machine comprises a rack, a chassis, a machine vision mechanism, a movement mechanism, a pneumatic mechanism, a picking mechanism, a transportation mechanism and a control box, wherein the rack and the control box are arranged above the chassis; the machine vision mechanism, themovement mechanism and the transportation mechanism are arranged on the rack; the chassis, the machine vision mechanism, the movement mechanism, the pneumatic mechanism and the transportation mechanism are connected with the control box respectively; the picking mechanism is arranged on the movement mechanism and is connected with the pneumatic mechanism; the movement mechanism is used for controlling the picking mechanism to move; the pneumatic mechanism is used for controlling the picking mechanism to clamp or release pineapples; and the transportation mechanism is used for transporting thepineapples picked by the picking mechanism. Aiming at a planting manner of the pineapples and economic values of the pineapples except fruits, the pineapple picking machine disclosed by the inventionis used for efficiently picking the pineapples through accurate positioning and a picking mechanical arm, and meanwhile, the integrity of plants is also effectively protected.
Owner:SOUTH CHINA AGRI UNIV

Low-temperature environmental chamber used for performing Hopkinson bar experiment on ice material

The invention belongs to the technical field of experimental facilities used for testing dynamic mechanical properties of a material in a low-temperature environment and in particular relates to a low-temperature environmental chamber used for performing a Hopkinson bar experiment on an ice material. The low-temperature environmental chamber comprises a thermal insulation system, a refrigeration temperature control system and an experiment and observation system; a thermal insulation material fills a gap between an outer chamber body and an inner chamber body, a polytetrafluoroethylene sealingpart is arranged at the periphery of each of left and right rod holes; a compressor and a cooling fan are mounted on a platform outside a chamber body; a refrigeration pipe and an aluminum plate aremounted on the bottom surface and the left and right inner walls of the cavity of the inner chamber body; a temperature sensor is composed of a display screen and a temperature measuring probe, the temperature measuring probe is mounted in an experimental cavity, and the display screen is mounted outside the chamber body; and high-transparency glass observation windows are mounted in front, on theback and at the upper part of the chamber body. The low-temperature environmental chamber provided by the invention selects Freon as a refrigerant, a technology is mature and reliable, and cost is low, so that an experimental temperature can be maintained to be stable for a long time. The observation windows are formed in three directions respectively, so that illumination and image acquisition are facilitated in an experiment process.
Owner:HARBIN ENG UNIV

Metallic film test piece and its preparing method for estimating and screening museum exhibition stuff

The invention pertains to the technical field of material testing, in particular to a metallic film specimen and its preparing method for evaluating and screening the stored materials in a museum. The invention uses modern and mature film-coating technology to coat silver and copper particle film in thickness of 100-300nm on surfaces of different substrates, so as to get the desired metallic film specimen. The invention can greatly reduce the use of metallic material, simplify operation and reduce cost; can avoid the shortcoming of poor repeatability of experimental data due to bulk metallic specimen, is good for digital analysis on the difference in specimen before and after corrosion, and overcomes any artificial error brought about by Oddy Test due to observation by naked eyes, and can greatly reduce the test period, is good for popularization and application in great scale.
Owner:FUDAN UNIV +1

Asphalt stirring tower and method which are capable of preventing hot material bin material overflow

The invention discloses an asphalt stirring tower and a method which are capable of preventing hot material bin material overflow. The asphalt stirring tower capable of preventing hot material bin material overflow comprises an aggregate feeding device, an aggregate conveying device, a visual inspection device, a drying device, a hot material bin, and a control device; the aggregate feeding deviceis used for storing aggregates of different grades; the aggregate conveying device comprises a first aggregate belt and a second aggregate belt; an input end of the second aggregate belt is arrangedbelow an output end of the first aggregate belt; the visual inspection device is used for collecting of real-time image information of aggregate falling from the first aggregate belt onto the second aggregate belt, and feedback to the control device; the control device is connected with the aggregate feeding device; preset consuming values of aggregates of different grades are recorded in the control device; the control device is used for analysis the feedback image information from the visual inspection device so as to obtain the real-time discharge amounts of aggregates of different grades,and the discharge amounts of a plurality of aggregate bins are controlled through combination with the preset consumption values of the aggregates of different grades, so that hot material bin material overflow is prevented.
Owner:FUJIAN SOUTHERN HIGHWAY MECHANICAL

System level calibration

Disclosed herein are systems and methods of calibrating a microscope or an imaging system prior to acquiring image data of a sample. In some embodiments, a method is disclosed including the steps of (a) running a power output calibration module to calibrate an imaging apparatus for repeatability; (b) running an image intensity calibration module to calibrate the imaging apparatus for reproducibility and to mitigate differences in detection efficiency between channels; (c) collecting image data from a microscope or imaging system; (d) optionally running an unmixing module to unmix the collected image data into individual image channel images; and (e) optionally running a contrast agent intensity correction module to calibrate for differences in brightness between different contrast agents.
Owner:VENTANA MEDICAL SYST INC

A polarization imaging device and method

The invention provides a polarization imaging device and a polarization imaging method of the polarization imaging device. The polarization imaging device comprises a liquid crystal lens and an imagesensor which are arranged oppositely. The liquid crystal lens comprises at least three liquid crystal layers which are parallel to one another and alignment layers and electrode layers matching the liquid crystal layers, wherein each liquid crystal layer is corresponding to the alignment angle of one alignment layer and the alignment angles are different from one another. The liquid crystal lens also comprises a voltage drive circuit which independently controls drive voltage applied to each liquid crystal layer. When the voltage drive circuit applies drive voltage to each layer of the liquidcrystal lens, the focal lengths of the liquid crystal lens units formed by the liquid crystal layers are the same. The device is provided with multiple liquid crystal layers and a polarizing film anda drive structure for adjusting the polarization direction of the polarizing film are not needed, so that the problem that the structure of a polarization imaging device in the prior art is not compact enough is solved.
Owner:SUPERD CO LTD

Focusing method and apparatus, and shooting device

The application discloses a focusing method and apparatus, and a shooting device. The focusing method comprises the following steps: controlling deformation of an image sensor so that reference points in at least two imaging sub-zones of the deformed image sensor form a first relative position relation of staggered distribution along the depth direction; obtaining contrast data of sampling images of a to-be-shot object in the at least two imaging sub-zones; and determining and / or adjusting the focusing state of the image sensor at least according to the first relative position relation and the contrast data. Through the application, the speed and / or precision of determining and / or adjusting the focusing state of the image sensor can be improved.
Owner:BEIJING ZHIGU RUI TUO TECH

Tear remote acquisition and analysis device and method for diagnosing dry eyes

The invention provides a tear remote acquisition and analysis device and method for diagnosing dry eyes. The method comprises: 1, acquiring tear; 2, bearing tear; 3, imaging the tear; 4, using an image acquisition device; 5, transmitting a tear image to the analysis device to perform image analyzing; 6, thickness state and condition of tear center crystal and outer transparent belt. The device andmethod have the advantages that the method is based on tear fern test is low in cost and capable of quickly detecting tear at low cost and can include a tear remote acquisition and analysis system atlow cost. The medical treatment resource problem of the prior art is solved that patients can only take chemical therapy i a hospital and uses medical resources, causing high workload to medical staff.
Owner:沈阳何氏眼科医院有限公司

System and method for determining a seed vigor index from germinated seedlings by automatic separation of overlapped seedlings

A system and method for automatically determining a seed vigor index for a lot of seeds by analysis of a scanned image of a plurality of seedlings grown from lot of seeds, including automatically separating and analyzing overlapped seedlings. According to one aspect of the current invention, seedling analysis software is used to analyze an image of seedlings. The seedling analysis software preferably analyzes both hypocotyl and radicle lengths and thus determines the separation point between the two for each seedling. The seedling analysis software also preferably separates overlapped seedlings, preferably using a simulated annealing technique. According to another aspect of the present invention, a low-cost scanner placed in an inverted configuration in a scanner enclosure is used to generate high-quality, reproducible images of seedlings. According to yet another aspect of the present invention, a method of using ordinary germination boxes, i.e., “sandwich boxes” is used to germinate seedlings that greatly facilitate computer-based analysis. In general, this method comprises placing germination blotter paper in the lid of a sandwich box and growing seedlings within the sandwich box in a nearly vertical (upright) position in a darkened germination chamber. The resulting seedlings produce hypocotyls that grow essentially upward and radicles that grow essentially downward, which greatly facilitates image acquisition of the entire seedling, e.g., with an inverted scanner.
Owner:THE OHIO STATE UNIV RES FOUND

Vertical type all-in-one machine with front-mounted camera and control method thereof

The invention provides a vertical type all-in-one machine with a front-mounted camera and a control method thereof. The vertical type all-in-one machine with the front-mounted camera comprises a shell body, a host box and a display screen, wherein a host is arranged at the bottom of the shell body; the display screen is mounted on a front surface of the shell body; the display screen is a touch screen; a camera is arranged on the front surface of the shell body; the host is arranged in the host box and the host is connected with the camera and the display screen respectively. According to the vertical type all-in-one machine, the camera is mounted on a top wall and can be used for collecting a real-time scene at a front part of the machine and man-machine interaction can be realized, so that requirements on specific scenes including advertising display, marketing promotion, interactive entertainment and the like are met, and the effect of enhancing reality is realized; virtuality and reality are combined to bring brand-new visual experience to a user; the user can also carry out image acquisition on secondhand books through the camera, and transmit acquired images to the host, so that a function of recycling the secondhand books is realized; furthermore, the vertical type all-in-one machine also has image acquisition and information processing functions.
Owner:韩楷文

Method for rapidly identifying Atlantic salmons and rainbow trout based on machine vision

The invention discloses a method for rapidly identifying Atlantic salmons and rainbow trout based on machine vision and belongs to the meat product quality detection technology field. The method comprises the following steps of preparing samples of the Atlantic salmons and the rainbow trout, and shooting and collecting sample images through using a mobile phone; inputting the obtained images intoa computer and carrying out image processing; carrying out characteristic data extraction on the processed images; using a principal component analysis method to carry out dimension reduction processing on the extracted characteristic data; using a chemometrics method to establish a rapid identification model of the Atlantic salmons and the rainbow trout; and carrying out image collection on unknown fish samples to be tested, and using the established identification model to identify a category of the unknown fish samples to be tested. By using a detection method in the invention, operation isconvenient, the samples are not destroyed, a detection speed is fast and a result is objective and accurate. By using the method, the Atlantic salmons and the rainbow trout are identified. When a principal component number is 6, identification rates of an established LDA model training set and a test set can reach 100% so that rapid identification is achieved.
Owner:JIANGSU UNIV

System and method for determining a seed vigor index from germinated seedlings by automatic separation of overlapped seedlings

A system and method for automatically determining a seed vigor index for a lot of seeds by analysis of a scanned image of a plurality of seedlings grown from lot of seeds, including automatically separating and analyzing overlapped seedlings. According to one aspect of the current invention, seedling analysis software is used to analyze an image of seedlings. The seedling analysis software preferably analyzes both hypocotyl and radicle lengths and thus determines the separation point between the two for each seedling. The seedling analysis software also preferably separates overlapped seedlings, preferably using a simulated annealing technique. According to another aspect of the present invention, a low-cost scanner placed in an inverted configuration in a scanner enclosure is used to generate high-quality, reproducible images of seedlings. According to yet another aspect of the present invention, a method of using ordinary germination boxes, i.e., “sandwich boxes” is used to germinate seedlings that greatly facilitate computer-based analysis. In general, this method comprises placing germination blotter paper in the lid of a sandwich box and growing seedlings within the sandwich box in a nearly vertical (upright) position in a darkened germination chamber. The resulting seedlings produce hypocotyls that grow essentially upward and radicles that grow essentially downward, which greatly facilitates image acquisition of the entire seedling, e.g., with an inverted scanner.
Owner:THE OHIO STATE UNIV RES FOUND

Tank body surface detecting device with multilevel angle adjusting function

The invention discloses a tank body surface detecting device with a multilevel angle adjusting function, and relates to the technical field of tank body detection. The tank body surface detecting device comprises a detecting platform, a limiting and fixing mechanism and an aperture detecting mechanism, wherein side plates are fixed on both sides above the detecting platform, a rotating mechanism is installed above the middle of the detecting platform, the inner side of the rotating mechanism comprises a rotating bottom plate, a rotating shaft and a motor, the rotating shaft is fixed at the middle of the bottom of the rotating bottom plate, the motor is installed below the rotating shaft, the limiting and fixing mechanism is arranged above the rotating bottom plate, a tank body is arrangedin the limiting and fixing mechanism, a light sensor is arranged in the tank body, a sealing cover is fixed above the tank body, a top plate is fixed above the side plates, and the top plate is riveted with the side plates. The tank body surface detecting device disclosed by the invention has the beneficial effects that the device can conveniently fix the bottom of the tank body via the limiting and fixing mechanism, thereby avoiding the movement of the tank body in a detection process.
Owner:SHENZHEN MEIXINLONG CAN CO LTD

Cloud platform based intelligent piano teaching system and method

The invention provides a cloud platform based intelligent piano teaching system and method. The system comprises a piano body, a weighted keyboard, pedals, a main control panel, a touch screen, cameras and a computer keyboard; the main control panel comprises a power interface supplying power to the main control panel, a power switch controlling ON / OFF of a power supply, a microprocessor, a poweramplifier chip, a loudspeaker, a main control chip, a data collection chip and a communication chip; the touch screen is arranged on the piano body; the weighted keyboard and the pedal are electrically connected with the main control chip, and the keyboard and pedals are connected with the power interface; the cameras included a hidden camera as well as a movable camera arranged in the upper portion of the piano body, and the hidden camera and movable camera are in communication connection with the main control chip. According to the intelligent piano, the internal chips can be expanded, and multiple pianos can be used together by means of networking to realize remote teaching.
Owner:一诺云科技(武汉)有限公司 +1

Mobile phone photographing fixing device for optical instrument

The invention discloses a mobile phone photographing fixing device for an optical instrument, which comprises an eyepiece barrel clamping module and a mobile phone clamp, and is characterized in that the eyepiece barrel clamping module is provided with a base, the base is provided with an imaging hole, the base is internally provided with a spiral groove by taking the imaging hole as a center, the base is internally provided with an adjusting hand wheel, the adjusting hand wheel is internally provided with at least two clamping jaws, the clamping jaws are provided with limiting seam allowances which are clamped into the spiral groove for positioning, the adjusting hand wheel is provided with stop buckles, guide stop buckles and an adjusting hand wheel outer ring, the clamping jaws are provided with clamping jaw arcs and sliding grooves, the guide stop buckles are clamping into the sliding grooves, the base is provided with a circular disc, the inner side of the circular disc is provided with stop grooves, and the stop buckles are clamped in the stop grooves. The mobile phone photographing fixing device has the beneficial effects of practicability, low production cost, convenient use, realization of optical instrument imaging photographing by utilizing a mobile phone, convenience and rapid image acquisition, convenient operation, low cost, firm and stable barrel clamping and strong universality.
Owner:余姚市巴韵五金制品厂

Control method and system for C-shaped arm of digital substraction angiography (DSA) machine

The invention discloses a control method and system for a C-shaped arm of a digital substraction angiography (DSA) machine. The method comprises: A, receiving a user controlled DSA machine motion instruction, and acquiring a C-shaped arm rotation angle value, a C-shaped arm regulation angle value and a base rotation angle value of the current DSA machine; B, respectively obtaining a left / right forward slanting locus equation and a head / foot locus equation according to the conversion between predefined coordinate systems, and solving locus data by utilizing the acquired current angle values; and C, controlling a C-shaped arm rotation shaft and a C-shaped arm angle regulation shaft to move sequentially and synchronously according to the obtained locus data. By adopting the system, the position angle motion loci of the DSA machine when an ISO center is not on a Pivot shaft can be accurately calculated, so that the motion control system of the DSA machine can accurately control the C-shaped arm to move according to the loci defined by left / right forward slanting and head / foot position angles, to facilitate image acquisition and physician's operation.
Owner:BEIJING WEIMAI MEDICAL EQUIP CO LTD

Light and vedio frequency switching integrated controller

The device which comprises communication interface circuit, single-chip computer circuit, lamp light control circuit, video switching circuit, watchdog circuit, control decoding circuit and power supply circuit is featured as the follows, communication interface circuit receives control command from computer and to send it to single-chip computer circuit which analyses command and then to send signal to lamp light control circuit and video switching circuit as off and on of lamp is controlled and certain camera is gated to carry out shooting to target object at various angles with different light combination.
Owner:SHANGHAI ISVISION INTELLIGENT RECOGNITION TECH
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