230results about How to "Guaranteed imaging effect" patented technology

An embodiment of the invention discloses an alignment method of an optical lens and a display screen in VR equipment and a system thereof. The alignment method comprises the following steps of according to an image parameter of a pre-generated pattern, generating a test pattern on the display screen; through the test pattern, aligning an optical center of the optical lens with a preset position of the display screen, and making an optical axis of the optical lens be vertical to the display screen; using an image acquisition apparatus to collect the test pattern imaged on the optical lens so as to acquire a correction pattern; displaying a reference pattern and the correction pattern on an independent observation interface; determining whether the reference pattern and the correction pattern are superposed; if the reference pattern and the correction pattern are superposed, determining that the optical lens and the display screen are aligned; and if the reference pattern and the correction pattern are not superposed, adjusting a relative position of the optical lens and the display screen so that the reference pattern and the correction pattern are superposed. In the invention, accurate alignment of the optical lens and the display screen can be realized, an imaging effect of the display screen in the VR equipment is guaranteed and an experience feeling of a user is increased.

The embodiment of the invention discloses an automobile auxiliary driving system camera demisting device. The device comprises a shell, a camera, a fan, a heater and a control circuit, wherein the camera, the fan, the heater and the control circuit are arranged in the shell. The shell comprises a pasting part for fixing the shell to a front windshield of an automobile. An air hood is composed of agroove formed in the side, provided with the pasting part, of the shell and the front windshield. An air outlet is located in one side of the air hood. An air inlet is formed in the groove. The fan is arranged next to the air inlet. The heater is arranged between the fan and the air inlet. The camera for shooting images outside the front windshield extends to the groove from the inner portion ofthe shell. The control circuit is connected with the fan and the heater so as to control the fan and the heater to be started or stopped and start or stop the demisting function of the camera. By theadoption of the technical scheme, mist on the auxiliary driving camera can be conveniently and quickly removed when an image imaging effect is guaranteed, and the driving experience of a driver is enhanced.

The invention discloses a method and device for compensating image brightness automatically under liquid crystal television dynamic backlight and relates to liquid crystal television dynamic backlight and image brightness adjusting technology. The method and device is simple and reliable and aims at solving the problem that image brightness lowers due to the fact that a backlight range is reduced under the dynamic backlight. The method mainly includes the following steps: a dynamic backlight target value obtaining step: reading a dynamic backlight target value output by the dynamic backlight module; a contrast compensation maximum value obtaining step; a contrast user value obtaining step: converting a current user menu contrast into a contrast user value B according to a mapping relation f; a compensation method selecting step: if a backlight target value is smaller than a compensation upper limit, performing a step of contrast compensation; and the contrast compensation step including a contrast compensation middle value calculating step, a contrast compensation final value compensating step and the like.

The invention discloses a system for realizing a remote conference command, and a method thereof. Digital monitoring equipment is connected with an image dispatch medium gateway, thereby being used for sending image information and voice information collected by the digital monitoring equipment to the image dispatch medium gateway, and receiving voice information and camera control signaling sent by the image dispatch medium gateway. The image dispatch medium gateway is connected with an H.323 / SIP video conference system, thereby being used for sending the image information and the voice information after being converted into an H.323 / SIP data format to the H.323 / SIP video conference system, and receiving voice information and camera control signaling sent by the H.323 / SIP video conference system. When adopted, the technical proposals of the invention can realize remote management and networking, reduce the system cost, and support the voice talkback and the camera control of a video conference and a remote endpoint of a monitoring system.

The invention relates to a long-wave infrared zoom lens unit comprising a first lens, a second lens, a third lens, a fourth lens and a fifth lens that are arranged from an object side to an image side successively along an optical axis. At least two of the lenses are made of an infrared material with a low thermal expansion coefficient; and each of the lenses has at least one diffraction surface. Because of the infrared material with a low thermal expansion coefficient, the influence on the lens by the temperature change is reduced and occurrence of an image plane drift phenomenon, caused by the temperature change, of the lens is reduced. The lens has the small thermal expansion coefficient and thus the lens has the good athermalization performance, so that the long-wave infrared zoom lens can be used in a large environment with temperature changing. Meanwhile, because the lens has the athermalization performance, the athermalization performance of each lens is realized by reducing the adjusting distances between the lenses, so that the size of the long-wave infrared zoom lens unit is reduced.

The invention discloses a shooting processing method, a shooting processing device and an electronic apparatus. The method comprises the steps of performing recognition of preset types of objects on a shooting object included in a shooting range, judging that whether the imaging effect of the recognized target object is accordant with a preset shooting rule, and if not, generating and displaying corresponding shooting prompt information based on the imaging effect of the target object. Visibly, with the application of the shooting processing method, through providing a corresponding shooting prompt for the user when the shooting object is not accordant with a preset shooting rule, a guarantee is provided for the effect of images taken by the user at an early shooting period, the captured images can achieve the desired effect, and the problems that in the prior art the post processing is complex and tedious and the image effect is bad are effectively solved.

The invention provides a sunken type soft and hard combined circuit board. The sunken type soft and hard combined circuit board comprises an inner layer soft plate, an upper hard plate and a lower hard plate, wherein a line graph is distributed on the inner layer soft plate; the upper hard plate and the lower hard plate are respectively pressed to and combined with the upper and lower surfaces of the inner layer soft plate; a concave groove in which a sensor can be mounted is formed and downwards passes through the sensor on the upper surface of the upper hard plate to reach the inner part of the inner layer soft plate, and therefore, the finished product is five layer less than the traditional soft and hard combined circuit board, and as a result, a chip can be embedded for at least 0.12mm, and the thickness of the whole electronic product can be reduced by more than 0.12mm. The invention also provides a preparation method of the sunken type soft and hard combined circuit board. The method comprises the following steps: forming a window in the upper hard plate and forming a window with a covering film of the inner layer soft plate; forming a loop of bosses around a copper coil on the exposed soft plate through the formed windows; cutting with laser and gasifying to remove the loop of bosses to form the concave groove with tidy side angles. With the adoption of the manufacturing method, the gummosis phenomenon is avoided, thus the concave groove can be in a complete state, and the bottom surface of the concave groove is flat and out of bulking, and as a result, the imaging effect of a camera can be ensured.

The invention discloses a camera module and an imaging method. The camera module comprises an invisible light emitting device and a camera module, wherein the camera module comprises a base plate, an image sensing device and an optical filter, the optical filter comprises a band pass filtering unit and a cut-off filtering unit, the image sensing device is attached to the base plate, the filter is located on one side of the image sensing device, which is far away from the base plate, the image sensing device falls into a projection area of the optical filter from a projection area of the base plate, and a specific-wavelength invisible light band which is allowed to pass the band pass filtering unit is matched with a specific-wavelength invisible light band which is emitted by the invisible light emitting device. The invisible light is emitted to a pre-imaging material, the pre-imaging material reflects the invisible light to the optical filter, the specific-wavelength invisible light can be transmitted to the image sensing device through the optical filter to form an image, and other invisible light except the specific-wavelength invisible light is prevented from entering the image sensing device by the cut-off filtering unit, so that the imaging effect of the camera module is guaranteed, and imaging can be achieved without visible light or under the low light condition.

The invention discloses a high resolution imaging method for synthetic bandwidth radar. The method includes the following steps that N pulses are transmitted by the synthetic bandwidth radar; a receiving signal is acquired from the n pulse, and a complex sample is acquired; carrier frequency points capable of enabling samples to be correctly acquired are selected from all signal samples of different carrier frequencies; from available complex samples, self correlation is counted, and the correlation value of the self correlation is acquired; a correlation matrix is generated according to the order of the correlation matrix and the correlation value of the self correlation; the correlation matrix is subjected to characteristic decomposition to generate a plurality of characteristic values; the characteristic values are ranked, and a target characteristic value and characteristic space corresponding to the target characteristic value are selected; accordingly, the positions of scattering points are extracted, and then scattering point steering vectors corresponding to the scattering points are acquired; high resolution images can be synthesized according to the positions of the scattering points and the scattering point steering vectors corresponding to the scattering points. By the adoption of the method, high resolution imaging can be well conducted on a target area under the condition of sampling lacking, and thus the imaging effect under an interference condition is guaranteed.

An electrostatic conducting element comprises a flexible electrostatic conducting element body. The electrostatic conducting element body comprises a body part adhering to the side, back on to a camera shooting module body, of a substrate and a bending part adhering to the side wall of the camera shooting module body. The bending part is arranged in an extending mode from the edge of the body part, and the bending part is arranged in a bending mode towards the side wall of the camera shooting module body from the connecting position of the bending part and the edge of the body part. Consequently, the electrostatic conducting element is arranged so that the electrostatic shielding function can be achieved, so that electrostatic interference of other electronic components on a machine body to a camera shooting module is effectively prevented, the imaging effect of the camera shooting module is guaranteed, there is no need for the electrostatic conducting element to completely cover the camera shooting module, the occupied space and self weight of the electrostatic conducting element are small, and accordingly the miniaturization design requirement can be met. The invention further provides the camera shooting module with the electrostatic conducting element.

The invention discloses a cleaning system and a cleaning method for a vehicle-mounted sensor or a camera. The cleaning system comprises a vehicle body power supply, at least one camera arranged on a vehicle, a switch connected with the vehicle body power supply, a controller connected with the switch, a water washing device, an air washing device, a heating pipe and an image analysis module. According to the invention, a washing mode, a gas washing mode and a heating mode are set, according to the imaging effect of the camera, an energy-saving cleaning mode capable of meeting the cleaning effect can be selected, the cleaning modes are various, the cleaning modes can be selected according to different conditions, the cleaning effect is good, cleaning medium waste is avoided, and the imagingeffect of the camera or the precision of information collected by the sensor is guaranteed.

The invention provides an optical waveguide structure and a near-eye display. The optical waveguide structure comprises an optical waveguide sheet, a coupled grating which is a two-dimensional grating, a plurality of turning gratings, and a plurality of coupling-out gratings; the plurality of turning gratings at least comprise two turning gratings, the two turning gratings are respectively arranged on the same or different surfaces of the optical waveguide sheet, the projections of the two turning gratings on the optical waveguide sheet are arranged at an angle, and the turning gratings are used for receiving light of a coupling-in grating; the coupling-out gratings are used for receiving light of the coupling-in grating and the turning grating and coupling the light out of the optical waveguide sheet, the multiple coupling-out gratings at least comprise a first coupling-out grating and a second coupling-out grating, the first coupling-out grating is a one-dimensional grating, the second coupling-out grating is a two-dimensional grating, the first coupling-out grating and the second coupling-out grating are located on different surfaces of the optical waveguide sheet, and the projection of the first coupling-out grating and the projection of the second coupling-out grating on the optical waveguide sheet coincide. The problem that an optical waveguide structure in the prior art is poor in imaging effect is solved.

The invention discloses a stereoscopic image display machine based on interactive teaching. The stereoscopic image display machine is formed by arranging an imaging part, a folding part, a rotating part and a lifting part in sequence from bottom to top. During working, a linear push rod motor of the stereoscopic image display machine lowers the stereoscopic image display machine to be flush with a sight line in height; afterwards, a stepping motor of the stereoscopic image display machine is controlled to make a square crank drive a connecting rod to rotate, so that a guide rail elongates, and a trapezoidal frame and an organic glass plate fixedly connected to the trapezoidal frame are opened to form an angle of 45 degrees with the horizontal plane; next, the stepping motor of the stereoscopic image display machine is controlled to make the stereoscopic image display machine rotate, meanwhile, an LCD is turned on, and at this time, a stereoscopic image of the four different surfaces of a presented object can be seen at a position in a classroom through the stereoscopic image display machine. When not used, the stereoscopic image display machine is folded and lifted to a ceiling to achieve the purpose of saving space of the classroom. Besides, the stereoscopic image display machine has the advantages of being low in cost, multifunctional, high in service performance and the like.

The present invention provides an imaging method based on double cameras, a mobile terminal and a storage medium. The method comprises: in a preview mode, controlling a first camera and a second camera to collect images at different focus positions; and after a shooting instruction is received, controlling the first camera and the second camera to shoot images and combine the shot images into a target image. The imaging method based on double cameras, the mobile terminal and the storage medium employ the first camera and the second camera to collect images at different focus positions and take the combination image through adoption of the collected images as a final shooting image to namely generate an image having normal exposure so as to effectively avoid the image overexposure condition. The imaging method based on double cameras, the mobile terminal and the storage medium can effectively ensure the image imaging effect, improve the imaging quality and improve the user usage experience.

The invention relates to the technical field of display, in particular to a fingerprint recognition module and a display device. The fingerprint identification module comprises a first lens group, a second lens group, a reflector group and a photosensitive element, wherein the main optical axis of the second lens group and the main optical axis of the first lens group are arranged in a non-parallel manner; The reflecting mirror group comprises a reflecting mirror and a rotating shaft connected with the reflecting mirror, the rotating shaft can drive the reflecting mirror to rotate, the reflecting mirror comprises a reflecting surface, and the reflecting surface is located on the light emitting side of the first lens group and the light entering side of the second lens group; The photosensitive element is positioned on the light emitting side of the second lens group; Wherein the first lens group is used for converging fingerprint reflected light and projecting the fingerprint reflectedlight to the reflecting surface, the reflecting surface is used for reflecting the fingerprint reflected light to the second lens group and converging the fingerprint reflected light to the photosensitive element through the second lens group, and the photosensitive element is used for converting the fingerprint reflected light into an electric signal so as to identify fingerprint information. According to the scheme, the thickness of the fingerprint recognition module can be reduced, and the fingerprint recognition precision is improved.

The invention provides a camera module, a camera assembly and an electronic device. The camera module of the implementation mode of the invention comprises a shell, and a prism and an image sensor which are both arranged inside the shell. A light inlet is formed in the shell; the prism is used for steering incident light coming from the light inlet and transmitting the light to the image sensor, so as to enable the image sensor to sense light rays outside the camera module; the prism comprises a light incident surface which is close to and faces towards the light incident surface of the lightinlet, a backlight surface which is away from the light inlet and is back onto the light incident surface, a light reflection surface connected with the light incident surface and the backlight surface, and a light emitting surface connected with the light incident surface and the backlight surface; the light reflection surface is slantways arranged relative to the light incident surface; and thelight emitting surface and the light incident surface are arranged in an opposite manner. According to the camera module, the camera assembly and the electronic device, a tangential angle, which is far away from the light inlet, of the prism relative to a prism with a triangular section is cut off, and the height size of the prism is smaller than that of the prism with the triangular section, so as to enable the camera module to be more compact and miniaturized.

The invention provides a low-illumination image enhancement and denoising method, a low-illumination image enhancement and denoising system, computer equipment and a computer readable storage medium.The low-illumination image enhancement and denoising method comprises the steps: extracting a black and white grayscale image in a YUV format of an original low-illumination image as an initial brightness image; establishing an objective function for solving the brightness component according to the initial brightness map, and solving the brightness component; establishing an objective function for solving a reflection component according to the original low-illumination image and the brightness component, and solving the reflection component; and obtaining a processed image according to the brightness component and the reflection component. The technical scheme of the low-illumination image enhancement and denoising method, for a low-illumination image, can avoid the noise pollution problem caused by alternate decomposition on the basis of a Retinex model and by means of a sequential decomposition method, and introduces a coefficient matrix in the decomposition process to further enhance comparison and suppress noise, so as to carry out enhancement and denoising processing on the low-illumination image at the same time.

The embodiment of the invention provides an optical anti-shake control method and device of a camera module and electronic equipment, and belongs to the technical field of images. The optical anti-shake control method of the camera module comprises the following steps: acquiring a current working mode of the camera module; determining a first target anti-shake parameter corresponding to the current working mode according to a first preset corresponding relation; and configuring the camera module according to the first target anti-shake parameter. According to the embodiment of the invention, when the camera module carries out shooting, the first target anti-shake parameter matched with the current working mode is configured for the camera module, so that the camera module can flexibly adjust the suitable first target anti-shake parameter in different working scenes, and the camera module can operate with lower power consumption. Therefore, the image effect of the camera module is ensured, the power consumption and the use temperature of the camera module are reduced, and the user experience is improved.

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 relates to a lens mould set which comprises a lens seat, a lens cone which is matched with the lens seat, a plurality of optical elements and a heating device, wherein, a plurality of optical elements are orderly fixed in the lens cone along the direction of optical axis. The heating device is arranged at the outer surface of the lens cone and / or the lens seat. The lens mould set can not generate the phenomenon of moisture condensation when the temperature is changed. In addition, the lens mould set can prevent the phenomenon that gaps can appear caused by the material of each element is not consistent and shrinkage-expansion is not consistent.

The invention discloses an image fusion method and device, and a computer storage medium. The image fusion method comprises the steps of obtaining a visible light image group and an infrared light image group; analyzing pictures of the visible light image group and / or the infrared light image group through an intelligent algorithm to obtain shooting scene information of the visible light image group and the infrared light image group; when the shooting scene information is indicative of a vehicle shooting scene, processing the infrared light image group by adopting a first exposure parameter;when the shooting scene information is indicative of a human shooting scene, processing the infrared light image group by adopting a second exposure parameter; fusing the visible light image group andthe processed infrared light image group, wherein the exposure time of the first exposure parameter is longer than the exposure time of the second exposure parameter, and / or the bright block data weight of the first exposure parameter is less than the bright block data weight of the second exposure parameter. Through the method, the image quality of the whole image can be optimized, and the imageeffect of the whole scene is ensured.

The invention discloses an infrared thermal imaging instrument capable of implementing a presetting function based on a stepping motor. The infrared thermal imaging instrument comprises an imaging zooming lens group, an imaging focusing lens group, a thermal imaging detector assembly and a control circuit board, and is characterized in that the control circuit board respectively drives the imaging zooming lens group and the imaging focusing lens group to work through a zooming stepping motor assembly and a focusing stepping motor assembly. A method comprises the following steps of: mounting the thermal imaging instrument; initializing the thermal imaging instrument; manually zooming and focusing; reading zooming and focusing information; and storing the information. A preset position calling method comprises the steps of judging a scene to be monitored, calling the information, adjusting the thermal imaging instrument, and acquiring a clear image. By the infrared thermal imaging instrument and method, the clear image is acquired at first time, and the zooming and focusing information at the moment is stored; during cruise monitoring, the clear image in the specific scene can be acquired by calling the zooming and focusing information stored before; and manual adjustment is not needed, and thus the efficiency is higher.

The embodiment of the invention discloses an image processing method, and the method comprises the steps: determining a first sub-image in a first image based on fixation point information, wherein the first image comprises the first sub-image and a second sub-image except the first sub-image; extracting first subimage information corresponding to the first subimage, the first subimage informationcomprising a first subimage position and a first subimage feature parameter; based on the first sub-image information, processing the first sub-image according to a first processing strategy and processing a second sub-image according to a second processing strategy to obtain a second image; extracting a target parameter corresponding to the second image; and processing the second image accordingto a third processing strategy based on the target parameter to obtain a third image. According to the embodiment of the invention, different regions in the image are differentially processed, so that the high efficiency of the image processing method is improved, and the power consumption in the image processing process is reduced.

The invention provides a detection device which comprises a housing assembly, a detection chip, a signal processing plate and a separation part, wherein the housing assembly has an accommodation cavity and an entrance window which is communicated with the accommodation cavity; the detection chip is arranged in the accommodation cavity and used for detecting rays passing through the entrance windowand outputting electric signals; the signal processing plate is arranged in the accommodation cavity, electrically connected with the detection chip and used for receiving and processing the electricsignals output by the detection chip; the separation part is arranged on the housing assembly, and the separation part and the detection chip are located on the two sides of the separation part respectively. The separation part can separate the heat produced by the detection chip and the heat produced by the signal processing plate on the housing assembly, coupling between the heat sources is reduced, further the temperature of the detection chip and the signal processing plate is ensured not to rise, normal response of the detection device is ensured, the amendment stability of the detectiondevice is further guaranteed, and the image imaging quality is improved. The invention further provides a CT system.

The invention discloses a digital camera lens, from the object part, in turn comprising a first lens, a second lens and a third lens, where the first lens is a double-convex double-faced spherical positive lens comprising a first spherical surface and a second spherical surface and made of glass; the second lens is a concave-convex double-faced nonspherical negative lens, comprising a first nonspherical surface and a second nonspherical surface and made of plastics, where the first nonspherical surface is a diffracting surface; the third lens is a nonspherical positive lens whose surface is wavy in structure, comprising the third and fourth nonspherical surfaces, and made of plastics. The digital camera lens has good imaging performance and high resolution.

The invention discloses a medical imaging auxiliary device for the radiology department. The device comprises a base, the upper end of the base is provided with a support frame, the upper end of the support frame is fixedly provided with a stretcher bed, the surface of the base is provided with a mounting groove, the mounting groove of the base is internally provided with a sliding plate, the endportion of the sliding plate is provided with a second motor, and the end portion of an output shaft of the second motor is provided with a gear; the mounting groove of the base is internally and fixedly provided with a rack meshed with the gear at the end portion of the output shaft of the second motor, the middle of the sliding plate is provided with a sliding groove, a first linear motor is cooperatively installed in the sliding groove of the sliding plate and fixedly connected with a column, and the upper end of the column is provided with a mounting hole. According to the medical imagingauxiliary device for the radiology department, the working position and working angle of imaging equipment are conveniently adjusted, and it is ensured that a patient does not need to move by himself / herself in the examination process.

The invention discloses an underwater towed system for near-shore seabed habitat observation. The system comprises a mother ship and an underwater towed device, wherein an underwater high-definition camera, an underwater LED light source, an underwater DC power, a methane sensor, a dissolved oxygen sensor, a carbon dioxide sensor, a particle size instrument and so on are installed on the underwater towed device, the underwater towed device comprises a towed body frame, tail boards and a towed board, the tail boards are symmetrically arranged at two sides of an upper layer of frame, a connection board is arranged between two tail boards so as to make the connection firmer, the tail boards makes towing more stable so as to guarantee video imaging effect, the towed board is arranged in the middle in front of the upper layer of frame, the towed board is provided with multiple adjusting holes, the towed board is connected with the mother ship through an armored cable, the position of the towed position of the towed board is adjustable, so that the towed board is suitable for different work conditions, and the mother ship proceeds so as to perform the towing operation. The system carriesthe high-definition camera and various sensors, thereby being capable of monitoring multiple physical quantities once, and monitoring various near-shore environment factors all round.

The invention discloses a terminal, an adaptive screen imaging method of the terminal, and a storage device. The method comprises the following steps: obtaining, by the terminal, first identificationinformation of a first screen installed in the terminal, and when it is detected that the first screen is changed into a second screen, obtaining second identification information of the second screen; sending, by the terminal, the first identification information and the second identification information to a server, and obtaining a judgment result indicating whether a second imaging parameter ofthe second screen is the same as a first imaging parameter of the first screen; if the judgment result indicating that the second imaging parameter is the same as the first imaging parameter, controlling, by the terminal, the second screen to image based on the first imaging parameter, or otherwise, controlling, by the terminal, the second screen to image based on the second imaging parameter. Bymeans of the manner, when the screen is changed, the matched imaging parameter is automatically obtained for imaging so as to guarantee the imaging effect and improve the user experience.

The invention discloses a structure of an on-line appearance detector and a detection method thereof. The structure of the detector comprises a base, a complete machine frame, an upper cover plate and a side cover plate. A shading plate and a handle are installed on the side cover plate. The inner side of the base is provided with a light source, the light source is installed in a diffusion cover, a Y-axis screw rod is installed on the base, a screw rod mounting base is arranged on the Y-axis screw rod, a Z-axis rod is fixed to the screw rod mounting base and connected with a movable frame, a camera is fixed to the movable frame, and a support is further installed on the base. A method of detection by the detector comprises the steps of installing the detector above a to-be-measured workpiece; causing a computer to automatically start after electrification, and manually opening detection software; opening a light source, using a camera to take a picture, and adjusting shade of the light source and the position of the camera; taking the camera to shoot a whole picture of the to-be-measured workpiece, using software to calculate and analyze whether the to-be-measured workpiece is qualified, pointing out a defect position, and recording the pass rate. The structure of the on-line appearance detector is good in matching effect, manual errors are reduced, and product yield and efficiency are improved.