98 results about "Infrared vision" patented technology

Equipment for infrared vision of anatomical structures applicable to assist the physicians in endoscopic, fetoscopic or laparoscopic operations and methods for signal processing to enhance said vision, comprising two units that work together: a multimodal or multispectral imaging unit, constituted by a device comprising an endoscope or fetoscope or laparoscope, and additional optical systems to acquire multimodal images of the interior of the patient's body; and an image processing unit, to which said images are transferred, comprising processing devices with a navigation interface which process said images and display the patient's enhanced anatomical map image and the endoscope location, equipped with hardware and software that apply at least five different vision-enhancing methods, namely normalization, segmentation, tracking, mapping and fusion.

System and method for tracking obstacles by an autonomous vehicle. Localization sensors (i.e., sensors to measure pitch, roll, and yaw, and systems including an inertial navigation system, a compass, a global positioning system, or an odometer) detect the position of the vehicle. Perception sensors (e.g., LIDAR, stereo vision, infrared vision, radar, or sonar) assess the environment about the vehicle. Using these sensors, locations of terrain features relative to the vehicle are computed and kept up-to-date. The vehicle trajectory is adjusted to avoid terrain features that are obstacles in the path of the vehicle.

The invention discloses a narrow gap welding monitoring and welding line deviation detecting method based on infrared vision sensing and belongs to the technical field of welding. An infrared vision sensing system comprises an infrared complementary metal oxide semiconductor (CMOS) camera, a filtering system, an image collecting card, a computer, a display and the like. Narrow gap welding arc light and molten pool radiation light are used as a light source, an infrared narrow belt filtering system is used for filtering interference signals and adjusting light intensity, and the computer collects and displays a welding image obtained through the infrared CMOS camera. An image capturing window is used for capturing an image away from an arc side, the image is processed, welding line deviation information is obtained by extracting a groove single-side edge, and a real-time property of welding line deviation detecting is improved while arc noise is effectively avoided. The system is simple in formation, clear in monitored image, high in welding line deviation detecting precision, strong in anti-interference capacity and good in engineering practicality and can achieve the purposes of real-time monitoring of narrow gap welding and synchronous detecting of welding line deviation.

The invention discloses a robot airship control system for overhead line inspection and a control method thereof. The control system comprises a on-board system and a ground-based system, wherein the on-board system has a structure that: a master controller DSP is connected with various sensors, a wireless communication module, a motor drive circuit, an image processor DSP and the like through analog-to-digital conversion ports, serial ports and other ports, and the image processor DSP is connected with an infrared CCD through an HPI port; the ground-based system has a structure that: an interface singlechip is connected with a ground PC, wireless communication equipment and a manual remote controller through serial ports, I / O and other ports; the on-board system and the ground-based system are communicated through an on-board wireless communication module and a ground-based wireless communication module; and a wireless camera transmits image information to the ground-based system through wireless video signals, and displays the image information on an image monitor. The robot airship control system for the overhead line inspection has three patterns, namely an infrared vision navigation pattern, a GPS navigation pattern and a manual remote control pattern, and has the advantages of high inspection efficiency, high cruisingability and high safety.

The invention discloses a welding quality analysis device based on infrared vision and an analysis method thereof. The analysis device comprises an infrared vision collecting system that is adjustably and fixedly connected to a welding facility, a vision processing system, in which welding defect intelligent recognition algorithm is embedded, and a feed control system, which can evaluate the welding quality, give an alarm, and adjust the parameters of the welding facility. The analysis method comprises the following steps: (1) collecting the infrared vision information of a molten pool or an area near a molten pool in real time through infrared sensing; (2) processing the infrared vision information by the welding defect intelligent recognition algorithm so as to obtain the weld seam positions and welding defect characteristics; (3) evaluating the welding quality in real time, and controlling the welding facility and giving an alarm aiming at different welding defects. According to the provided intelligent analysis device and intelligent analysis method, the welding process can be monitored in real time, the welding defects can be recognized, the welding seam position can be traced, the welding quality can be evaluated, the welding loss can be reduced, and the finished product yield rate can be increased.

The invention discloses an infrared vision based automatic landing guidance method and system applied to a fixed-wing UAV (unmanned aerial vehicle). The system comprises two identical image tracking modules, an image processing module, a control module and a wireless transmission module, wherein each image tracking module comprises a camera and biaxial pan-tilt units. According to the method, the UAV is detected, identified and tracked in images with an image tracking technology, and deflecting angles of the pan-tilt units are accurately recorded; the relative space position of the UAV can be determined through geometric relationship analysis and trigonometric calculation of pitch heading angles of the two pan-tilt units and the distance between the pan-tilt units, and position information of the UAV is sent to the UAV through the wireless transmission module, so that the UAV is guided to accurately land. The infrared vision based automatic landing guidance system is constructed on two sides of a landing runway of the UAV, complicated image processing is performed based on powerful computing capacity of a ground-based computer, each guidance device is utilized to the greatest extent, the accuracy of the system is improved, the control is simple, and real-time performance and stability are good.

The invention discloses a 3D additive repair device for laser-arc hybrid welding and a repair method. The 3D additive repair device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a fixture, a laser welding torch, an arc welding torch, a filling welding wire, a wire reel and a gas guide pipe. The method includes the steps that a defective workpiece is mounted on a repair workbench; the laser vision sensor is driven to scan the three-dimensional profile of a defect; the three-dimensional profile of the defect is rebuilt through the controller; welding parameters are confirmed; the controller drives the near-infrared vision sensor to scan a molten pool, the time-frequency parameter of an image of the molten pool is obtained, a compensation control code is generated according to the time-frequency parameter of the image of the molten pool, and the set welding parameters are corrected in real time; and after repair is completed, the laser vision sensor is driven again to scan the three-dimensional profile of the defect, whether the repaired workpiece meets the standard or not is confirmed, and if not, the defect is repaired again till the repaired defect meets the standard. The 3D additive repair device for laser-arc hybrid welding and the repair method have the beneficial effects that the structure is simple, operation is convenient, and reliability and adaptability are high.

The invention discloses a device and method for double-faced double-arc vertical welding near-infrared vision sensing and penetration control. The device and method are particularly suitable for online penetration control in the double-faced double-arc welding process of spiral pipes made of aluminum alloy, or high-strength steel, or stainless steel or titanium alloy and the like, and further is suitable for online penetration control in the on-site butt-joint vertical welding process of ships, oil storage tanks, nuclear power containers and the like. According to the device and method, vertical welding molten pool vision images are detected in real time in a double-faced mode, through image processing and penetration characteristic parameter extraction, information of the double-faced double-arc vertical welding root penetration process is obtained, a control model of root penetration is set up, welding currents, welding gun swing width, welding speed and other technological parameters are automatically adjusted, the welding root is controlled to be totally penetrated, and double-faced double-arc welding quality is guaranteed.

The invention discloses an infrared vision sensing detection method and an infrared vision sensing detection device for narrow-gap weld seam deviation. The device comprises a shaking (or rotating) electric arc narrow-gap welding torch, an electric arc current sensor, a computer image processing system and an infrared photographing system, wherein an infrared camera acquires an infrared image of a welding region in an external touch mode when an electric arm shakes (or rotates) to a position closest to the left side wall or the right side wall of a groove; after the infrared image is subjected to computer image processing, welding wire position and groove edge information is extracted in real time, and a weld seam deviation output is calculated according to changes of a welding wire relative to the left side wall and the right side wall of the groove; when a pulse electric arc is welded, the current sensor is used for detecting a signal in the base value period of electric arc current pulse, thus realizing welding image acquisition synchronized with the current period of a pulse electric arc base value. The system is simple in constitution, wide in application range, high in weld seam deviation detection precision, high in environment adaptability and high in interference capacity and is suitable for shaking (or swinging) and rotating electric arc narrow-gap welding occasions with groove width change.

The laser targeting system of the present invention eliminates the problem of parallax between the arrow's path and the archer's line of sight. An embodiment is a laser integrated into an arrow such that the beam is projected down the axis of the arrow. Another embodiment is an arrow rest with an integrated laser, which can have an angular adjustment. By having the laser extend the axis of the arrow to the target, the laser spot produced on the target accurately represents where the arrow will hit once released, and eliminates the parallax angle between the archer's line of sight and the arrow's path. The present invention also provides a means for using a single laser beam to project a diffractive pattern onto a target, such as several spots or crosshairs. For advanced visibility of the laser spot, an optical filter or infrared vision optical sensors can be used.

Disclosed are an infrared vision sensing detection method and device for narrow-gap weld seam deviation. The device includes a shaking (or rotating) arc narrow-gap welding torch, an arc current sensor (3), a computer image processing system (15), and an infrared photographing system. An infrared camera (11) acquires an infrared image of a welding region in an external triggering manner when an arc (1) shakes (or rotates) to a position closest to the left side wall or right side wall of a groove (9). After computer image processing, welding wire position and groove edge information is extracted in real time, and weld seam deviation is calculated according to position changes of a welding wire relative to the left side wall and the right side wall of the groove, and the weld seam deviation is output. During pulsed arc welding, a signal in a base value period of the arc current pulse is detected by using the current sensor, thereby realizing welding image acquisition synchronized with the base value current period of the pulsed arc. The device has a simple constitution, a wide application range, high weld seam detection precision, high environment adaptability, and high anti-interference capability.

The invention discloses a non-gas metal arc welding 3 D adding material repair device and repair method. The repair device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a clamp, a non-metal arc welding torch, a wire feeding unit and a welding wire disc. The repair method comprises the steps that a defective workpiece is installed on a repair workbench; the laser vision sensor is driven to scan a defective three-dimensional outline; the controller rebuilds the defective three-dimensional outline; specific welding parameters are determined; the controller drives the infrared vision sensor to scan a molten pool, time-frequency parameters of a molten pool image are obtained, a compensation control code is generated according to the time-frequency parameters of the molten pool image, and the set welding parameters are corrected in real time; and after repair, the laser vision sensor is driven again to scan the defective three-dimensional outline, whether the repaired workpiece reaches the standard is determined, and if not, defects are repaired again till defect repair reaches the standard. The repair device is simple in structure, convenient to operate and high in reliability and adaptability.

The invention discloses a control system and achieving method of an intelligent bionic robot dog. The control system comprises a voice interaction module, a double-core processor module, an APP control module, a Bluetooth module, an infrared vision module, a posture detection module, a touch detection module, a voice output module, an eye display module and a motion control module, and the voice interaction module receives sound sent by a user, acquires a characteristic value of the corresponding sound through a specific extracting algorithm, correspondingly matches the extracted sound characteristic value and an existing voice mode library, enters a corresponding mode matching algorithm to match a corresponding recognition result, then executes corresponding motions in a motion control mode according to the corresponding relation of preset voice and a control instruction and controls the intelligent bionic robot dog to conduct all kinds of motion, music playing, dance according to themusic and voice interaction with the user and to be subjected to intelligent feeding, so that the intelligent bionic robot dog makes different emotional responses according to corresponding recognition.

The invention provides a comprehensive flame detection method based on ultraviolet, infrared and vision, and the invention comprises that a data output end of an ultraviolet detector to be connected with a first data input end of a controller, and a data output end of an infrared detector to be connected with a second data input end of the controller; the data output end of the visual detector isconnected with the third data input end of the controller, the trigger data end of the visual detector is connected with the trigger data end of the controller, and the communication end of the controller is connected with the communication end of the communication module; and the image data acquired by the visual detector is analyzed and processed at the server side, and thus judging the fire condition. According to the invention, an image type fire detection technology is combined with ultraviolet and infrared detection, so that the detection requirements of people on high sensitivity, highreliability and human eye visibility of fire are greatly met.

An apparatus for attracting mosquitoes to an electronic insect killing machine (i.e., bug zapper) is provided. The apparatus includes a converter device that fits over a fluorescent or ultraviolet light bulb of the bug zapper. The converter device controls radiant light and heat emitted by the light bulb to produce a desired level of heat to create a warm mass, or host simulator that simulates a blood host meal for biting insects. Mosquitoes and other biting insects, which have infrared vision, are attracted to the host simulator. When used with a scented lure that lures the mosquitoes and biting insects near the insect killer, the host simulator lures the mosquitoes and other insects to the killing device of the insect killer. The mosquitoes and biting insects are destroyed once lured to the killing device. The converter device also blocks most of the visible light emitted by the light bulb, and therefore does not lure beneficial insects, which are attracted to visible light, into the insect killer.

The invention relates to a near-infrared vision sensing detection device for a large-scale high-temperature forgeable piece. The detection device comprises a million pixel camera (1), a camera stand (8) and a USB (Universal Serial Bus) data line (9) and is characterized in that a near-infrared light filtering system (7) consists of a high-pass light filter (2), an optical glass sheet (3), a fixedbarrel (4) and a lens barrel (5) and is coaxially connected with a near-infrared digital CMOS (Complementary Metal-Oxide-Semiconductor Transistor) video camera (6) provided with the million pixel camera (1) and the camera stand (8); both the near-infrared light filtering system (7) and the near-infrared digital CMOS video camera (6) are sealed in a shielding box (11), and a light blocking structure part (13) is arranged outside the shielding box; and the digital CMOS video camera (6) is connected with a visual information processing controller (10) through the USB data line (9). The near-infrared vision sensing detection device has remarkable advantages of obtaining images at a high speed, resisting defocusing and the like compared with a CCD (Charge Coupled Device), has high cost performance and is widely suitable for accurately measuring the intermittent and continuous sensing of the external dimension and the temperature of large-diameter shaft and gear workpieces during the forging and heating process.

The invention discloses a gas metal arc welding 3D material increase repair device and a repair method. The device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a clamp and a melting electrode welding torch. The repair method comprises the following steps: mounting a defective workpiece on a repair working table; driving the laser vision sensor to scan a three-dimensional outline of a defect; reestablishing the three-dimensional outline of the defect by using the controller; determining specific welding parameters; driving the near infrared vision sensor to scan a molten pool by using the controller to obtain a time-frequency parameter of an image of the molten pool, generating a compensation control code according to the time-frequency parameter of the image of the molten pool, and correcting the set welding parameters in real time; and after repair is finished, driving the laser vision sensor again to scan the three-dimensional outline of the defect, judging whether the repaired workpiece reaches the standard or not, and if the repaired workpiece does not reach the standard, repairing the defect again until repair of the defect reaches the standard. The gas metal arc welding 3D material increase repair device is simple in structure, convenient to operate, high in reliability and high in adaptability.

The invention provides an unmanned aerial vehicle precise landing system and method based on infrared beacon and vision. The system mainly comprises an infrared beacon module, a flight control systemand an infrared vision module. A tri-axial stability platform is installed on an unmanned aerial vehicle so as to cooperate with the flight control system to keep the unmanned aerial vehicle to be stable and in different direction in the flight process. The infrared vision module is installed on the tri-axial stability platform so as to keep a camera of the infrared vision module to be verticallydownward always, and capture infrared beacon signals emitted by the infrared beacon module so as to recognize the position of the infrared beacon module in a target landing point. The infrared beaconmodule is set in the position of the target landing point of the unmanned aerial vehicle. When the unmanned aerial vehicle lands, the infrared emission pipe array emits infrared rays to cooperate withthe infrared vision module to carry out data acquisition so as to recognize the position of the infrared beacon module in the target landing point. According to the invention, by combining the infrared vision technology and the target information source recognition technology, precise landing control of the unmanned aerial vehicle can be achieved.

The invention relates to an eye shield projection method. A reporter is positioned in front of a projection screen, and the projection method comprises the following steps: an infrared vision field processor of a sensing module is electrically connected with an infrared projector and an image receiver; invisible infrared rays are projected towards the projection screen by utilizing the infrared projector, and the image receiver captures the infrared optical image; the infrared vision field processor performs image processing of texture analysis on the received infrared optical image signal, so that two areas are separated to obtain an outline of the reporter and a geometric figure area is compared and found to be transmitted to a computer; the computer performs dark processing on the geometric figure area in the projection data, the geometric figure area in the image picture is aligned with the face of the reporter through the projection of the projector, so that the reporter is not subjected to strong light stimulation and can squarely face the person in the front; and the sensing module can continuously sense the position of the reporter, and the position of the dark processing is moved along with the reporter. The smoothness, definition and comfort level of the conference are improved.

The invention discloses a visual inspection and pre-warning system for a longitudinal tear of a conveying belt and an application method of the conveying belt and belongs to the technical field of on-line testing of coal mining equipment. The visual inspection and pre-warning system for the longitudinal tear of the conveying belt is characterized in that inspection is performed in the manner that an infrared visual sensor system and advanced RISC machine (ARM) framework-based embedded system platform are combined to accurately judge an ongoing longitudinal tear fault and a hidden dangerous source of the conveying belt; and the conveying belt is inspected and pre-warned from two levels so as to guarantee the safe operation of the conveying belt. According to the system, image information is normally acquired under the dark condition, and therefore, the defect that auxiliary backlight needs to be adopted when a common industrial camera is used in traditional visual inspection is avoided, the defects that a traditional visual inspection instrument is complex to install, is serious in energy consumption, cannot be applied to complicated work environments and is not ideal in inspection effect are overcome, the damage degree of the conveying belt is reduced to the maximum limit, the possibility of accident occurrence and hazards brought after an accident occurs are fundamentally reduced, the safe transport of the conveying belt is comprehensively guaranteed, the work cost is reduced, and the work efficiency is effectively improved.

The method of protection of human (livestock) from bites of blood-sucking insects which based on fact, that mosquitoes and other blood-sucking insects have principally infrared vision and actively attack people or animals at night, in twilight or in the shade, that is, in the conditions optimum for detecting infra-red emission of a body of the person and animals. The method consists in creating in protected zones of the thermal hindrances, which deprive blood-sucking insects of ability to define position of people (of animals). The method consists in placing in protected zone of (one or several) sources of the infra-red emission; diagrams of emission and a places of placing of infra-red sources must be organized so that this emission would to hit in eyes of insects (thermal sensors of insects) in the majority of possible points of supervision by them of people (of animals); power of emission must to exceed power output of infra-red emission of vulnerable parts of a body of the person (of animals); infra-red sources can operate constantly, periodically or not periodically, including when operating time and the period of repetition vary by law of random numbers.

The invention belongs to the technical field of computer software and projection, particularly relates to a distributed infrared vision detection and projection fusion automatic correction-based touchdisplay system, and aims to solve the problems of a time delay of touch event detection and relatively long time of a splicing fusion process. The system comprises a projection device, a vision collection module, an infrared emitter module, a camera calibration module, a detection processing client, a data fusion module, an image processor, a multi-thread projection rendering module and an automatic projection fusion correction module. According to the system, a touch event of a large touch region can be detected in real time, so that the timeliness of touch detection is ensured; multiple projection images can be rendered at the same time, so that the rendering efficiency is improved; and the establishment, in an early stage of projection fusion correction, and the later maintenance of the system are facilitated.

The invention relates to an infrared vision based detection and alarm method for longitudinal adhesive tape tearing and belongs to the technical field of automatic detection. The infrared vision based detection and alarm method for longitudinal adhesive tape tearing can be widely applied to belt-type conveyors used by industrial and mining enterprises in coal mines, power plants, wharfs and the like. The infrared vision based detection and alarm method for longitudinal adhesive tape tearing is realized by imaging target adhesive tape in real time via a CCD (charge coupled device), analyzing an image and alarming. The infrared vision based detection and alarm method has the advantages that deficiencies in an existing adhesive tape tearing detection method are overcome, actions can be taken when a danger source occurs on the adhesive tape and before the danger source damages the adhesive tape, tearing damage of the adhesive tape is completely avoided, cost on maintenance and replacement of the adhesive tape and economic loss caused by long-time production halt can be reduced to a great extent.

Various embodiments related to infrared vision for a liquid crystal display (LCD) device are disclosed herein. For example, one disclosed embodiment provides a display system, comprising an LCD device and a display backlight configured to illuminate the LCD device by directing visible light toward an interior surface of the LCD device.; The display system further comprises a wavelength-selective reflector disposed between the display backlight and the LCD device and having a smooth surface facing the interior surface of the LCD device, where the wavelength-selective reflector has a wavelength- selective coating configured to cause incident visible light from the display backlight to be transmitted through the wavelength-selective reflector to the LCD device, and cause incident infrared light reflected from an object on or near an exterior surface of the LCD device to be reflected off of the wavelength-selective reflector and directed to an infrared vision subsystem.

The invention discloses an object 3D size simple measurement method based on binocular stereo vision. A handheld 3D scanner is included. The handheld 3D scanner comprises a casing and an electronic control device installed in the casing. The electronic control device comprises a power supply module, a processor which carries out central control, first and second infrared cameras connected to the processor, an infrared structure light generator, and a man-machine interface. The first and second infrared cameras are arranged at the front part of the casing, horizontally arranged at intervals and used for collecting infrared visual information. The infrared structure light generator is connected with the processor, arranged between the first and second infrared cameras and used for emitting net-shaped active infrared light. The man-machine interface is connected with the processor. The man-machine interface comprises buttons and an LCD and is used for command input and information display. The processor is internally provided with an environment depth calculation algorithm and an object 3D size measurement algorithm. A shooting angle can be intelligently identified by the object 3D size measurement algorithm, the 3D size of an object is measured from multiple angles, and the convenience and reliability of use are improved.

The invention relates to a hand motion tracking device and method based on binocular infrared vision. The hand motion tracking device comprises a binocular infrared vision module, a glass panel, a computer, an ARAT standard object and a user operation composite platform. The glass panel is fixed to the user operation composite platform through a fixing block. The binocular infrared vision module is arranged below the glass panel and is connected with the computer through a video USB transmitting line. The portion, irradiated by the binocular infrared vision module, of the glass panel is provided with a checkerboard identity, and the space above the checkerboard identity is a user motion space. The ARAT standard object is placed on the glass panel and behind the checkerboard identity. The hand motion tracking method comprises the steps of system initialization, ARAT assessment tracking and assessment data analysis. According to the hand motion tracking device and method based on binocular infrared vision, information of hand motion of a user is collected through the binocular infrared vision module, and the user does not need to wear other devices. The hand motion tracking device and method based on binocular infrared vision have the advantages that interference of visible light can be resisted, recognition is stable, and the operation speed is high.

The invention belongs to the field of danger source detection, particularly relates to an infrared spectral imaging based detection method for danger sources in longitudinal adhesive tape tearing. The infrared spectral imaging based detection method includes: step 1, mounting an infrared CCD (charge coupled device) camera at the uppermost position above a detected position of a conveying belt, and symmetrically fixing two area array light sources with wave numbers ranging from 2000 to 2800cm<-1> on two sides of the detected position of the conveying belt, wherein each area array light source forms an included angle of 45 degrees with a vertical direction; step 2, turning on the area array light sources, converting difference on spectral absorption energy from coal and the danger sources into difference on gradation of image by an image processing computer, and judging whether the danger sources exist or not in real time according to the gradation of image. The infrared spectral imaging based detection method has the advantage that real-time on-line detection on longitudinal adhesive tape tearing and the danger sources thereof by an infrared visual non-destructive testing technology is realized.

The invention discloses a robot recharging method based on visual identity and a chip. The robot recharging method includes the steps that firstly, a first preset recharging position is determined bycollecting guidance identification images, so as to provide a close ranged recharging butting area for infrared signal guidance to increase the success rate of robot butting; and on the other hand, after a robot completes matching real-time taken environmental images with the pre-stored guidance identification images of a charging base, in the process of moving along a preset path, according to the moving situation of the charging base, and a second preset recharging position is deployed to provide the robot with an initial recharging position combining infrared vision and repetitive guidance.According to the robot recharging method based on visual identity and the chip, visual identity is used for recharging guidance in the remote infrared radiation area, when the robot is close to the charging base, infrared guidance signals are combined to assist visual guidance to realize butting charging of the robot and the charging base finally, thus the success rate of robot butting is greatlyincreased, and the efficiency is also greatly improved.