154results about How to "Clear capture" patented technology

A wide-angle camera is fixed to direct an optical axis in a fixed direction. A telephotographic camera can be inclined in panning and tilting directions to change an aiming direction of its optical axis. An image signal from the wide-angle camera is evaluated. When an image of a moving object is identified in a frame captured by the wide-angle camera, directivity information corresponding to a position of the moving object is calculated based on a relative position to the center of the frame. In accordance with the directivity information, posture of the telephotographic camera is controlled to aim its optical axis at the moving object. Thereafter, the posture of the telephotographic camera is controlled continuously to place the image of the moving object in the center of the frame captured by the telephotographic camera. The telephotographic camera captures the moving object while tracking it.

The invention discloses a curved surface defect automatic detection method and an apparatus thereof. The method comprises the following steps: 1, at a training phase, acquiring sample images, constructing a training set, performing manual defect identification on images in the training set, and marking areas where all defects appear; for each image in the training set, executing a defect pre-positioning step so as to obtain areas R where all the defects may appear; comparing the R with the manually marked areas where all the defects appear, and according to an overlap degree of the two, obtaining negative samples and positive samples through division; according to the positive samples and the negative samples, performing offline training of a deep neural network model, and outputting types of defect areas and concrete coordinates; and 2, at an online detection phase, acquiring current curved surface images to be detected, executing a defect pre-positioning step, obtaining sets R, and inputting the R into the network model, and obtaining the types and the concrete coordinates of the defect areas. The method and apparatus have the advantages of high adaptability, high real-time performance and high identification accuracy.

The invention discloses an image collection device, a collector, a liquid crystal terminal device and a fingerprint and image collection method. On the basis of the pin-hole imaging principle, an ultrathin fingerprint collection instrument in any size can be formed, and the ultrathin fingerprint collection instrument can be further combined with a liquid crystal display screen to achieve the function of fingerprint collection; or, the ultrathin image collection device can be formed so as to collect images of universal targets. The liquid crystal terminal device comprises a liquid crystal display assembly. The liquid crystal display assembly is at least composed of a liquid crystal plate and a backlight module. The backlight module at least comprises a reflecting piece and a back plate. One or more imaging holes are formed in the reflecting piece and / or the back plate. Photovoltaic conversion sensors are arranged in the positions corresponding to the imaging holes. By conducting the structure improvement on the liquid crystal display screen according to the pin-hole imaging principle, the liquid crystal display screen can collect fingerprints and support the terminal device to complete screen unlocking, account verification and other operation needing personal identity authentication through fingerprint identification.

A control method of video monitor array, a device and a system thereof are provided. The control method includes: Whether a target object appears in a monitoring area is monitored. When the target object appears, the area number of the target object is determined according to the preset monitoring area information. A camera corresponding to the area is turned on to capture a video image for the target object according to the area number of the target object. By dividing the monitoring area and collectively managing multiple camera devices, the control method, device and system enable not only the rapid finding of the target object and the clear capture of the video image of the target object,, but also the continuous tracking of the target object, thereby further improving the quality of video monitoring.

The invention discloses an inspection robot for an underground coal mine. The inspection robot comprises a lower car body and an upper car body, wherein a four-wheel driving module is matched and arranged on the left and right sides of the lower car body, the four-wheel driving module comprises four wheels, a driving motor and a built-in power supply, and both the driving motor and the built-in power supply are installed in the lower car body. According to the inspection robot, a navigation module is arranged, and a laser radar is constructed, so that an underground environment is scanned, anda three-dimensional image is obtained; then a map is independently constructed by virtue of an LNM module board, and a walking route is independently planned, so that railless autonomous navigation is realized; images are collected in real time by a visible light camera and an infrared thermal imager, and if fog is generated on a lens of the visible light camera, a windscreen wiper independentlyslides, so that the clear images are collected; and if the navigation module fails, manual operation can be switched at a remote monitoring station by virtue of a WIFI control module, and a guaranteeis provided for the use of the whole robot.

A portable sound recording device and method comprises a first enclosure having symmetrical halves and a second enclosure having symmetrical halves. The second enclosure is fitted inside the first enclosure such that neither enclosure has direct contact with each other. The symmetrical halves pivot about the device handle. A sound resistant material aligns the inside walls of the second enclosure and the outside walls of the second enclosure. The device eliminates unwanted echoes and allows sound to be clearly captured by an attached microphone or input device.

The invention discloses a male and female graine laser separator and a separation method thereof. The separator comprises an elevated working platform, an egg raising paper positioning system, a graine color image processing system, a laser generation and light deflection scanning and egg launching system, and a computer. The separation method comprises the following steps: starting the separator, resetting the shifted working platform, placing egg raising paper on a negative-pressure adsorption platform, and starting an air pump to absorb the egg raising paper to be flat; starting a color image acquisition program, and controlling a color image sensor to shoot an egg raising paper image and transmit the egg raising paper image to the computer which processes data, gives out a work instruction for launching time-sequence laser pulse to a laser generator and an electric control device, and gives out a work instruction for light deflection scanning to a galvanometric scanning and electric control device, and generating laser beams to shoot female graine; and placing novel egg raising paper after the task is completed, and repeating the steps. The separator can automatically and accurately separate male and female graines with different graine colors at a high speed so as to save labor and improves the separation precision.

The invention relates to an ultra-high-temperature strain field-temperature field synchronous measurement system and measurement method based on ultraviolet imaging. The strain field-temperature fieldsynchronous measurement system comprises an ultraviolet camera (1), a lens (2), a coaxial ultraviolet light source (3), a narrow-band-pass filter (4) corresponding to the wavelength of the ultraviolet light source, and a computer (6) for processing an image to obtain a strain field-temperature field. Before a strain field-temperature field is measured, a high-temperature-resistant speckle (9) ismanufactured on the surface of a test piece (10); a high-temperature mechanical testing machine is used for applying force and thermal load to the tested piece; the coaxial ultraviolet light is adopted for active illumination of the test piece; the ultra-high-temperature strain field-temperature field synchronous measurement system based on ultraviolet imaging is used for collecting surface imagesof the test piece; and a digital image correlation method and a system calibrated by a blackbody furnace in advance are used for measuring the strain field-temperature field of the surface of the test piece in a high-precision millimeter-to-micron view field mode. The principle is simple, the structure is compact, and the strain field-temperature field of the surface of the test piece in the environment from the room temperature to the 3273K ultrahigh temperature is synchronously measured in a high-precision mode through cooperation of the high-temperature mechanical test device.

The embodiment of the invention relates to the technical field of monitoring, in particular to a return stroke difference eliminating method and device, and the return stroke difference eliminating method and device are applied to an electric lens and mainly used for eliminating the return stroke difference of a focusing motor installed on the electric lens. The backhaul difference eliminating method comprises the steps of determining target positions of a focusing motor in a plurality of search intervals according to a predetermined rule, wherein an image corresponding to the target positionsis the clearest. And after the search is finished, controlling the focusing motor to move by a first preset distance in the direction opposite to the search from the search finishing position, and after the focusing motor moves by the preset distance, controlling the focusing motor to move by a second preset distance in the direction close to the target position so as to reach the target position. According to the scheme, firstly, the focusing motor determines the target position with the clearest image through searching, and then the focusing motor is controlled to turn back to the target position from the searching end position for two times, so that the return stroke difference is overcome, and the clear image is obtained.

The invention discloses an optical device for simultaneously acquiring a human face image and an iris image and an identity authentication method thereof. The device comprises a human face image acquisition module and an iris image acquisition module; the human face image acquisition module is composed of a pre-positioned imaging lens group, a beam splitter prism, a human face camera, an image processing unit and an illumination light source; the iris image acquisition module is composed of the pre-positioned imaging lens group, a beam splitter prism, an iris camera, the image processing unit and the illumination light source; the human face image acquisition module and the iris image acquisition module share the pre-positioned imaging lens group, the image processing unit and the illumination light source; and the separation of a light path of the human face image acquisition module and a light path of the iris image acquisition module is realized by the beam splitter prisms. According to the optical device, the human face image and the iris image of a user can be simultaneously and clearly acquired, and the acquired human face image and iris image have a specific positioning relation, so that subsequence image processing, and extraction of human face features and iris features can be conveniently realized, and the safety is higher.

The invention discloses a multi-sensor synergistic monitoring apparatus and method for broadband laser cladding. The apparatus comprises a displacement sensing unit, an image sensing unit and an information processing unit; a coaxial powder feeding head is provided with four sensor connection arms in central symmetry, and the end part of each sensor connection arm is respectively provided with the image sensing unit or the displacement sensing unit; and the two image sensing units are distributed around the coaxial powder feeding head at a given adjustable angle and used for acquiring an appearance image of two baths in different directions in the broadband laser cladding process. The information processing unit is used for melting and processing height data acquired by the displacement sensing unit and the bath images acquired by the image sensing unit, calculating and displaying an area as well as a three-dimensional size, height of a forming layer, a defocusing amount and a lap joint rate of a broadband rectangular bath in real time. By adopting the multi-sensor synergistic monitoring apparatus and method, the broadband laser cladding process can be precisely and comprehensively monitored in real time.

The invention discloses an apparatus for acquiring images of rock core and rock debris, which comprises a lamp bracket, a master control circuit system and a sample shift mechanism. A light conversion device, a filter lens and a filter lens shift mechanism are provided within the lamp bracket, the filter lens and the filter lens shift mechanism are connected; the sample shift mechanism comprises stepping motors and reduction boxes along two directions of X shaft and Y shaft in a horizontal plane, the control signal input terminal of the stepping motors, light conversion equipment and the filter lens shift mechanism are respectively connected with the corresponding signal output terminal of the master control circuit system. The present invention also discloses a method for acquiring images of rock core and rock debris, the clearest image can be found by automatically searching a clear focal length direction for realizing an automatic focusing. The invention also discloses a method forprocessing the images of rock core and rock debris, an automatic splicing of the images can be completed by successively finding the optimum splicing line in an overlap area. Small rock core (plungertype rock core and the like) and rock debris images can be collected according to the invention, which has the advantages of light mass and small size, high intelligent degree.

The invention discloses a video human body behavior recognition method and system based on a multi-mode double-flow 3D network. The method comprises the steps of generating a depth dynamic image sequence DDIS based on a depth video; generating a posture evaluation graph sequence PEMS based on the RGB video; respectively inputting the depth dynamic graph sequence and the posture evaluation graph sequence into a 3D convolutional neural network, constructing a DDIS flow and a PEMS flow, and obtaining respective classification results; and fusing the obtained classification results to obtain a final behavior recognition result. The method has the beneficial effects that the DDIS can well describe the human body motion and the contour of the interactive object in the long-term behavior video by modeling the local space-time structure information of the video. The PEMS can clearly capture the change of the human body posture and eliminate the interference of the messy background. The multi-mode double-flow 3D network architecture can effectively model the global space-time dynamic of the behavior video in different data modes, and has excellent recognition performance.

Provided is an image capturing device.The image capturing device includes: a parameter setting section that automatically sets, (A) during ordinary times, a setting parameter for image-capturing to a value that depends on brightness of an image-capturing environment, and that sets, (B) at a time of the adjusting of the optical axis, the setting parameter to a predetermined adjustment setting value; a setting value receiving section that receives the adjustment setting value from the adjusting device when the adjusting of the optical axis is initiated; and an optical axis adjusting section that adjusts the optical axis based on an image captured in a state where the setting parameter is set to be the adjustment setting value. The adjusting device includes: a setting value storing section that stores the adjustment setting value in advance; and a setting value transmitting section that transmits the adjustment setting value to the image capturing device.

The invention discloses an imaging lens, an iris imaging module and a binocular iris recognition device. The imaging lens, an iris imaging module and a binocular iris recognition device belong to the field of biological recognition. The imaging lens successively comprises the following components in an optical axis direction from front to back: a first lens which is a convexoconcave lens with a positive focal power, wherein the front surface of the first lens is a convex surface and the back surface of the first lens is a recessed surface; a second lens which is convexoconcave lens with a negative focal power, wherein the front surface of the second lens is a recessed surface and the back surface of the second lens is a convex surface; a third lens which is a biconvex lens with a positive focal power, wherein the front surface and the back surface of the third lens are convex surfaces; and a fourth lens which is a biconcave lens with a negative focal power, wherein the front surface and the back surface of the fourth lens are recessed surfaces. The front surface and / or the back surface of each of the first lens, the second lens, the third lens and the fourth lens are aspheric. The imaging lens has advantages of simple structure, small size, high imaging quality and small distortion. The imaging lens is suitable for binocular iris acquisition.

The invention discloses a light source for an optical automatic detector. The light source comprises three annular LED arrays which are coaxially superposed in three layers and an intermediate through hole, wherein the three annular LED arrays are all shaped like a truncated cone, and an LED lamp is embedded at the inner lateral side of the truncated cone; two red-blue double-color annular LED arrays are respectively positioned in the top layer and the bottom layer and are used for providing high-angle and low-angle lighting; one green annular LED array is positioned in the intermediate layer and is used for providing intermediate-angle lighting; and each red-blue double-color annular LED array is divided into a red set and a blue set based on the LED color, the red set and the blue set are respectively connected with an external control device, the green annular LED array is independently connected with the external control device, and a lens is placed right above the intermediate through hole of the light source in the shooting process. By using the invention, the external control device can control the light source to select different colors of the light source in accordance with colors of circuit boards so as to achieve combined lighting effect, so that colors of tin solder images can be obviously different from those of base plate images. Besides, the light source has simple structure and is convenient to control.

The invention discloses a diseased part development and projection navigation device comprising a support. An image collecting component, a projection component and multiple exciting light sources are arranged on the support. The image collecting component is connected with the projection component. The projection component is provided with a projection modulation device and a projection image alignment system. According to the diseased part development and projection navigation device, image collection and image projection are controlled by the projection modulation device and the projection image alignment system in a sub-period mode to be conducted alternately, and the images projected by the projection device will not be collected by an image collecting device; in an exciting light illumination interval, the projection device projects fluorescence images to corresponding diseased part of tissue and aligns the projected images, and the projected images are captured by the naked eyes of a doctor; in this way, a surgical doctor can see the projected images, the imaged projected by the projection device are prevented from being collected by the image collecting component, the influence of the projection image and other background light on the fluorescence images is avoided, and the precision and the success rate of surgery are improved.

The invention discloses a vehicle identification method based on fusion of radar and vision information. The vehicle identification method based on fusion of radar and vision information includes thefollowing steps: S100, entering all the information of a vehicle to be identified; S200, acquiring the current positional information and the motion state information of the vehicle; S300, acquiring the appearance information of the vehicle to be identified; S400, comparing the acquired appearance information of the vehicle to be identified with the entered vehicle information; and S500, recordingand uploading the information of the illegal vehicle and the vehicle driver. The vehicle identification method based on fusion of radar and vision information monitors the vehicles on the road in real time through the method of integrating the radar with vision information, determines the best position of shooting through the radar, can capture the clear image of the vehicle to be identified, canobtain the information of the vehicle to be identified through vision information processing, can determine whether the driver has illegal behavior through information comparison, and can greatly improve the accuracy and efficiency of vehicle identification through the method of combining the radar and the vision information.

The invention discloses a multilevel microcirculation condition monitoring device which comprises a light source controller, a multi-wave-length light source, a polarizer, an optical fiber group, a light reflecting system, an imaging light path lens group, an analyzer, a detector, an image analyzing and processing system and an imaging light path controller. The imaging light path controller controls the imaging focusing distance of the imaging light path lens group. The light source controller drives the multi-wave-length light source to emit lighting light beams with different wave lengths and powers. The light reflecting system controls polarization lighting light beams to be projected to the incident angle of the surface of tissue. According to the device, by changing the four parameters of the imaging focusing distance, the lighting light beam wave length and power and the incident angle of the polarization lighting light beams projected to the surface of the tissue, the image analyzing and processing system can capture the multilevel microcirculation condition information in different depths in the human body tissue clearly in real time. The invention further discloses a multilevel microcirculation condition monitoring method.

The invention provides a double eye iris image acquisition module for a mobile device, comprising a near infrared LED lamp, a reflection unit, a large power lens, and a CMOS image sensor. The near infrared LED lamp is used for illuminating the iris area. The reflection unit is used for changing the emitting direction of light, and is composed of a first reflection surface and a second reflection surface. The second reflection surface is used for changing the light, parallel to the thickness direction of the mobile device, to light parallel to the length direction of the mobile device; the first reflection surface is used for changing the light, parallel to the length direction of the mobile device, to light parallel to the width direction of the mobile device. The large power lens is disposed at the light path of the emitting light of the reflection unit, and the central axis is parallel to the upper and lower edges of the mobile device. The large power lens is used for collecting light, whose emitting direction is changed. The CMOS image sensor is disposed at the light emitting direction of the large power lens, and the light-sensitive surface is vertical to the upper and lower surface of the mobile device for forming images of the collected light.

The invention relates to a diagnostic device and particularly discloses a diagnostic device for scanning the irises of eyes. The diagnostic device comprises a mainframe, a hand-held reader and a display; the diagnostic device is provided with a demountable lens, an above-1.3 megapixel CCD (charge-coupled device), an LED lamp and a storage module which can conveniently shoot sharp images; the shot images can be saved as the computer general image formats, such as JPG, BMP and the like; and then, the results can be automatically analyzed by the computer image comparison technology, particularly, pits, gaps, color spots, lines, density and color variation can be judged from the iris images to obtain the diagnosis result reflecting the change in health conditions. The automatic iris diagnostic device has the advantages that the application is convenient, the collected iris images are sharp, the information is accurate and all-around, the structure is simple, the cost is low, the images can be saved and amplified, and the results can be easily analyzed and judged.

The invention discloses a centrifugal type micro-Newton insect friction force on-line real-time test system and test method. By adoption of a ball screw and a stepping motor structure, displacement of a high-speed video imaging system can be precisely controlled, so that position information of a tested insect on a test platform can be clearly obtained, that is, the position information is radius information of centrifugal motion; by adoption of a rotating speed sensor matched with the test platform, rotating speed information of the test platform can be accurately and highly precisely obtained, and the test precision and the accuracy of the system are greatly improved; by cooperation with an image analysis processing module, a rotating speed information analysis module, a motor rotating speed control module and a centrifugal force real-time calculation and display module, on-line real-time test and displaying of centrifugal force (friction force and adhesion force) can be realized.

The invention relates to high-resolution human figure automatic recording and comparing system and method in a key region. The system comprises a video detecting module, an image acquisition module, a suspected face comparing module and an alarming module. The method comprises the following steps of: scanning and comparing a detection region by the video detecting module in real time; sending a triggering signal to the image acquisition module if a number of pixel information of a detection stripe band exceeds the preset threshold; acquiring the current image information by the image acquisition module through a network camera to form member face records and sending the records to the suspected face comparing module; comparing and matching suspected face information hierarchically one by one by the suspected face comparing module; if the suspected face information is matched successfully, sending alarming information to the alarming module; and carrying out alarming processing by the alarming module according to the alarming information. By adopting the high-resolution human figure automatic recording and comparing system and method in the key region, the system power consumption is reduced, the energy is save, no pollution is caused to the environment, the comparing times of the system is reduced, and the comparing efficiency is improved. The high-resolution human figure automatic recording and comparing system and method in the key region are suitable for large-scale suspected face comparison.

The invention discloses a using method of a high-speed cutting deformation field transient measurement device. According to the technical scheme, the device comprises a high-speed cutting loading unit, a cutting scrap root microscopic image high-speed collecting unit and an image digital processing unit, wherein the high-speed cutting loading unit is used for achieving high-speed orthogonal cutting loading and recycling, the cutting scrap root microscopic image high-speed collecting unit is used for continuously catching cutting scrap root microscopic images in real time in the cutting process, and the image digital processing unit is used for processing the caught series high-speed cutting transient images to obtain a cutting scrap root deformation field in the high-speed cutting process. The device has the advantages that by means of the additionally-arranged cutting scrap root microscopic image high-speed collecting unit and image digital processing unit, non-contact measurement of the high-speed cutting transient deformation field can be achieved, and the measurement process is safe and reliable; shooting of a high-speed special camera is triggered by laser speed measurement signals, and the cutting process and the shooting process can be synchronized; an optical amplifying device is arranged between the high-speed special camera and a workpiece, the cutting scrap root microscopic images can be caught more clearly, and follow-up image processing precision can be improved.

The invention discloses a vehicle paint surface defect detection device based on intelligent sensing and machine vision. The device comprises a square hollow base, a gantry-shaped fixing frame, a conveying mechanism, two sets of side detection mechanisms, a top detection mechanism, two sets of illumination mechanisms and a control mechanism. The square hollow base is horizontally arranged, whereina square through groove is reserved in the middle of the top wall of the square hollow base, the gantry-shaped fixing frame is vertically and fixedly installed at the top of the square hollow base, the gantry-shaped fixing frame stretches across the square through groove, and the conveying mechanism is fixedly installed in the square hollow base. The automobile paint surface flaw detection devicecan be used to complete automatic detection of automobile paint surface flaws, working efficiency can be greatly improved, working intensity of workers can be effectively reduced, the device can be suitable for paint surface flaw detection of automobiles of different sizes, detection accuracy can be ensured, and missing detection can be effectively missed.

An objective of the present disclosure is to provide a highly reliable controller in which shapes that are not susceptible to false recognition are set as cue signs. The controller includes a control circuit which is implemented by a microcomputer or the like, an image sensor unit, and a memory. The control circuit is connected to a lighting controlling device of lighting equipment, a shade controlling device of a shade, and an air conditioning control device of an air conditioner through a communication link. A user can operate these pieces of equipment with a predetermined cue sign or an action with a predetermined cue sign.

A hologram reproducing and imaging apparatus includes a reference light source configured to be arranged near a hologram recording material on which a hologram is recorded and has an arrangement of a plurality of light sources, a reference light source drive section configured to drive the plurality of light sources in a time-division manner, an imaging sensor configured to capture an image of a reproduction area irradiated with reference light from the reference light source and photoelectrically convert the image, and an image processing section configured to process an imaging signal from the imaging sensor. Partial captured images are obtained by enabling the imaging signal of the area irradiated when the plurality of light sources are turned on, and the partial captured images are combined to be a reproduction image by the image processing section.

The invention discloses an on-site recording equipment for electricity marketing. The on-site recording equipment comprises a shell, a clamping joint, a connecting shaft, key pins, a fastening nut, aclamping hook, a mounting base, a positioning screw hole, a wire hole, a bend part, a sleeve, a limiting port, a telescopic rod, a fixed seat, an universal shaft, a connecting rod, a battery box, a camera, an information gathering opening, an opening shade, a supporting plate, a first folding guard board, a second folding guard board, a threaded connection head, an illumination lamp and a threadedconnection port. According to the on-site recording equipment for electricity marketing, the structure is reasonable and simple, mounting is convenient, multi-angle information collection of the camera can be achieved by rotating the connecting rod connected at the bottom of the camera on the universal shaft, and the shooting angle is wide, the function is diverse, the on-site recording equipmentis mounted on a wall or a ceiling according to actual using demands, the on-site recording equipment can adapt to needs of a variety of work environments, the lighting environment on the lower portion is effectively improved through illumination equipment arranged at the bottom of the mounting base, and at the same time, information collection is clearer, and the on-site recording equipment has good economic and social benefits.