6720results about "Photography" patented technology

An illustrative method may include receiving images of a site captured at a same time by a camera, the images comprising a single visible color component image, a first non-visible image associated with first excitation illumination having a first wavelength outside a visible spectrum, and a second non-visible image associated with second excitation illumination having a second wavelength outside the visible spectrum and different than the first wavelength; generating, based on the single visible color component image, a monochromatic image; generating, based on the single visible color component image and the first non-visible image, a first alternate image representative of a first alternate imaging characteristic of the site; generating, based on the single visible color component image and the second non-visible image, a second alternate image representative of a second alternate imaging characteristic of the site; and displaying the monochromatic image combined with the first and second alternate images.

A gimbal includes a first driver mechanism configured to drive a photographing device to rotate around a first rotation axis, a base connected to the first driver mechanism, a second driver mechanism connected to the base, and an arc-shaped shaft arm. An accommodation space is provided on one side of the arc-shaped shaft arm that is close to an axis of the arc-shaped shaft arm. The accommodation space is configured to accommodate the photographing device in a manner that an optical axis of the photographing device is non-parallel to the axis of the arc-shaped shaft arm. The second driver mechanism is connected to the arc-shaped shaft arm and configured to drive the photographing device to slide relatively along the arc-shaped shaft arm and rotate relative to a second rotation axis.

The invention relates to an adaptive control method and device for a supplementary light source of an industrial camera, and the method comprises the steps: obtaining scene perception data of the industrial camera, carrying out the real-time classification and environment parameter analysis of a shooting scene based on the scene perception data, and obtaining scene feature information; performing image quality evaluation on the scene feature information, and comparing with a preset image quality standard to obtain an image quality matching degree; performing control parameter analysis based on the image quality matching degree and the scene feature information to obtain an initial light supplementing control parameter; acquiring image data of the industrial camera, and performing brightness distribution and detail feature analysis on the image data to obtain an image analysis result; performing dynamic light source simulation on the scene feature information based on an image analysis result to obtain a corresponding dynamic supplementary light source parameter; and performing comprehensive processing on the initial light supplement control parameter, the image analysis result and the dynamic light supplement source parameter to obtain a light supplement source adjustment strategy. The problem that a traditional fixed light supplementing method is difficult to adapt to a complex environment can be effectively solved.

A light emitting module includes: a substrate; a plurality of light sources fixed on the substrate and generating individually controllable outputs; a light shielding member disposed between the light sources; a first lens that is disposed above the light sources and on which the light emitted from each of the light sources becomes incident; and a drive unit capable of rotating the substrate. The light sources include a first light source and a second light source. The angle formed by the axis of rotation of the substrate and the optical axis of first light emitted by the first light source and exiting the first lens differs from the angle formed by the axis of rotation and the optical axis of second light emitted by the second light source and exiting the first lens. The second light can irradiate a first circular track having the axis of rotation as its center.

A stroboscopic device, comprising: a camera for acquiring video frames; a light source; and at least one hardware processor; and software that is configured to, when executed by the at least one hardware processor, generating synthetic video frames of an object, providing real video frames of the object and the synthetic video frames to a discriminator configured to detect the difference between the real video frames from the synthetic video frames, using feedback from the discriminator to generate further synthetic video frames, providing real video frames of the object and the further synthetic video frames to the discriminator and repeating until a convergence point is achieved where the discriminator can't reliably tell the real video frames from the synthetically generated video frames, generating a data set comprising synthetic video frames and real vide frames of the object, using the data set to train a model, acquire a sequence of video frames via the camera, for a first and second frame in the sequence of video frames, compute the dense optical flow field between the two frames, wherein the optical flow field contains a flow vector for each pixel in each of the first and second frames, indicating the motion of that pixel from the first frame to the second frame, calculate the average magnitude (Average Optical Flow or AOF) of all flow vectors for each pixel in the first and second frames, compare the AOF to a threshold, and store a result based on the comparison, repeat the process for all frames in the sequence of video frames, determine whether a stroboscopic effect has been achieved based on the store results, control the activation of the light source until the results indicate that the stroboscopic effect has been achieved, and obtain a further sequence of video frames after the stroboscopic effect is achieved, identify the object in the further sequence of video frames using the model, and automatically detect movement or vibration of the identified object using the model.

The invention discloses a target object targeting agent monitoring method and device based on AI visual identification, belongs to the technical field of termite monitoring, and aims to solve the problems of high manual dependence degree, high misjudgment rate, low data transmission efficiency and the like in traditional target object monitoring. A slow-release targeting agent and a solar hybrid power supply system are arranged in the device, and low-power-consumption endurance is supported. According to the core scheme, vibration and infrared sensor signals are fused, and image acquisition is triggered through feature analysis; recognizing a target object through background difference, a multi-scale image and feature matching, and dynamically optimizing a detection threshold value; after video acquisition, activity intensity is calculated in combination with target tracking and gridding analysis, and transmission is optimized based on intensity and quota; light supplement is automatically adjusted according to ambient light, and image quality is ensured through pixel compensation and brightness adjustment. According to the scheme, a closed-loop system with multi-mode accurate triggering and intelligent identification is constructed, and the intelligence and efficiency of termite monitoring are improved.

The invention discloses an air-jet vortex spinning yarn image acquisition device and a wrapping effect detection method, and belongs to the technical field of air-jet vortex spinning yarn quality detection.The air-jet vortex spinning yarn image acquisition method comprises the steps that in the image acquisition stage, two light sources with the irradiation angles parallel to a core fiber and not parallel to a wrapping fiber are arranged to enhance light and shade contrast of a wrapping area and improve visibility of the wrapping area; on the basis, the wrapping-core yarn region segmentation neural network model and the detection frame generation head of the candidate wrapping region are used for accurately segmenting the wrapping region and the core yarn region of the preprocessed air-jet vortex spinning yarn image, so that the detection accuracy is improved. The wrapping coefficient, the short wrapping rate, the long core exposure rate and the wrapping angle of the air-jet vortex spinning yarn are calculated according to the segmentation result so as to evaluate the yarn wrapping effect, and the defect that a traditional method is insufficient in detection of a wrapping structure is overcome. An efficient and objective wrapping effect detection means is provided, the production process can be optimized in the textile industry, and the yarn quality and the production efficiency are improved.

The invention discloses a camera SFR testing device with a focal length adjustable function, and particularly relates to the technical field of camera SFR testing, which comprises a machine body, an image analyzer used for analyzing an image acquired by a camera and performing SFR testing, a mounting seat used for mounting the camera, and a measurement pattern generator used for providing a measurement pattern, a central processing unit is arranged on one side of the image analyzer, a position adjusting structure and a clamping stabilizing mechanism are arranged on the inner side of the machine body, and the clamping stabilizing mechanism is used for clamping and fixing a camera lens so as to prevent the camera lens from vibrating; the system further comprises a lens position capturing module, a vibration amplitude acquisition module and a vibration frequency acquisition module. The problem that the telescopic camera is out of focus due to lens vibration in the focal length adjusting process is solved, and the image definition and the SFR test accuracy are ensured through real-time vibration monitoring and intelligent adjustment.

The invention relates to the technical field of intelligent night vision light source construction, and discloses an RGB intelligent night vision light source construction method and system, and the method comprises the steps: collecting the environment light intensity and other data of a light source construction region, obtaining environment perception data, constructing an environment feature tensor, and obtaining an initial control parameter through a dual-delay network; inquiring an LED array, configuring spatial light and pulse width, and obtaining a tunable composite spectrum by using initial parameter driving; a light reflection target is inquired, spectrum irradiation is used, data are collected, and an illumination-imaging joint optimization model is constructed through processing to obtain target data; target features are identified by using target data, a scene semantic vector and a light source control strategy are constructed, unit parameters are optimized through matrix calculation and decomposition, equipment is deployed to obtain a target LED array, and the RGB intelligent night vision light source is constructed. According to the invention, the accuracy of night vision imaging of the RGB intelligent night vision light source can be improved.

A method for positioning a portable multispectral imaging device within a target distance range relative to a surface for imaging a region of interest (ROI) of the surface. The method generally involves determining a distance between the portable multispectral imaging device and the ROI of the surface determining whether the distance is within the target distance range generating a signal indicating to a user that the portable multispectral imaging device is not within the target distance range and providing instructions to the user to guide that the user for repositioning the portable multispectral imaging device; and triggering an image capturing sequence when the portable multispectral imaging device is within the target distance range. A method for calibrating a light source unit of the portable multispectral imaging device and a portable multispectral imaging device are also described.

The invention is suitable for the technical field of illumination, and provides a near-illumination lamp illumination method, device and system and a near-illumination lamp, and the method comprises the steps: obtaining an original light field image, which is collected by imaging equipment and comprises an array composed of a plurality of independently addressable and brightness-controllable light-emitting units, projected on a target plane by the near-illumination lamp; generating a brightness nonuniformity map representing brightness distribution according to the original light field image; calculating a brightness correction matrix for compensating brightness nonuniformity through a reverse solution algorithm on the basis of the brightness nonuniformity map and in combination with a model for describing a light transmission response relationship between the array and a target plane; and loading the brightness correction matrix into a controller of the near-lighting lamp, and performing differentiated brightness modulation on each light emitting unit in the array by the controller according to the brightness correction matrix. The problem that an existing near-illumination lamp cannot achieve high-precision and high-stability uniform light field output is solved.

The invention provides an online auxiliary aiming device for an X-ray streak camera. The online auxiliary aiming device comprises a reading camera, an optical coupling lens, a lens connecting piece, an inclination angle adjusting platform, a vacuum window flange, a reflector and a scintillator assembly. The optical coupling lens is respectively connected with the reading camera and the lens connecting piece; the lens connecting piece is arranged on the inclination angle adjusting platform; the inclination angle adjusting platform is arranged on the vacuum window flange, and the view field of the camera is read by adjusting the angle; the vacuum window flange is used for isolating atmosphere from a vacuum environment; the reflecting mirror is arranged in a vacuum environment in the vacuum window flange; the scintillator assembly is arranged at a preset cathode slit of the streak camera. Reference can be provided for adjustment, aiming precision is improved, aiming time is shortened, and experiment efficiency is improved.

A lens unit includes a first barrel member holding a first lens, and a second barrel member holding a lens group. The first barrel member includes a first cylindrical portion including a holding portion holding the first lens from an outer peripheral side and an annular protrusion protruding from the first cylindrical portion to an inner peripheral side. The annular protrusion includes a first lens support portion supporting the first lens from an image side. The second barrel member includes a second cylindrical portion surrounding the lens group from the outer peripheral side and a flange portion protruding from the second cylindrical portion to the outer peripheral side. The second barrel member is positioned in a radial direction by the second cylindrical portion inserted into the inner peripheral side of the annular projection and is positioned in an optical axis direction by the flange portion abutting the annular projection.

The invention discloses a circuit board dispensing quality detection device, and relates to the technical field of circuit board processing detection, the circuit board dispensing quality detection device comprises a base, a conveying positioning mechanism, an upper shooting detection unit and a lower shooting detection unit, the conveying positioning mechanism is installed on the base and is used for conveying and positioning a carrier carrying a circuit board; the upper shooting detection unit and the lower shooting detection unit are respectively located above and below the conveying positioning mechanism, are used for acquiring dispensing images on the front and back surfaces of the circuit board and respectively comprise a shooting module, the shooting module comprises two symmetrically arranged three-dimensional line scanning cameras, and shooting light paths of the two symmetrically arranged three-dimensional line scanning cameras are inclined and are crossed and opposite; the shooting light path of the central camera is vertical; the plurality of circumferential cameras are circumferentially distributed around the central camera, a shooting light path is inclined, and the inclination angle is adjustable; and the light source assembly is used for supplementing light when the three-dimensional line scanning camera, the central camera and / or the circumferential cameras collect images. The scheme is used for automatically detecting the glue coverage quality of the circuit board after glue dispensing.

The invention relates to an optical system which comprises a light path transmitting subsystem, a scanning reflector (6) and an image receiving and processing subsystem. The light path emission subsystem comprises an illumination module (1), a light modulation module (4) and a curved prism (21). The curved surface prism comprises a light incident surface (21A), a reflection-transmission composite interface (21B) and a curved surface (21C) plated with a reflecting film, and is used for changing the direction of a light path and focusing the light path, so that the light path enters from the light incident surface, is reflected by the reflection-transmission composite interface, is reflected by the curved surface and is focused; and then the light is emitted from the reflection-transmission composite interface and enters the light modulation module at a specific angle. The invention also relates to an oral digital impression instrument equipped with the optical system. According to the optical system, the curved prism is used for replacing a traditional lens and reflector combination, the space size of the oral cavity digital impression instrument is remarkably reduced, and the requirements for miniaturization and portability are met.

Camera tuning process is a time consuming and labor-intensive process. To address this issue, camera tuning system including a multi-modal large language model and a retrieval-augmented generation system can be implemented to intelligently and efficiently handle a camera tuning task in real-time. The multi-modal large language model can evaluate image quality and can be finetuned using high-quality labeled data and synthetically generated labeled data. The retrieval-augmented generation system can incorporate camera configuration knowledge into a vector database and can leverage a retrieved context to generate a configuration solution that addresses image quality issues identified by the multi-modal large language model. The resulting camera tuning system is a unified process that can identify image quality issues and provide configuration solutions that address both technical and aesthetic image quality concerns.

The invention relates to the field of industrial visual inspection, and discloses a material surface defect detection system based on industrial visual inspection, which comprises a laser light source module, a light beam distribution assembly, a dark field illumination structure, a near field irradiation structure, an industrial visual inspection module, a signal processing module and a data processing module. The laser light source module is used for generating a modulated laser beam, and the laser beam distribution assembly guides the laser beam to the surface of a material; and the dark field illumination structure is matched with the near field irradiation structure to form an irradiation path with an inclined direction and a sub-wavelength scale. The industrial visual inspection module comprises an industrial camera, an image acquisition device and an image processing module and is used for acquiring and processing images of the defect area. The signal processing module is used for performing frequency domain analysis on the scattered signals; and the data processing module is used for analyzing spatial positions and forms of defects based on image and signal data. The system is suitable for fine detection and structure identification of tiny defects on the surface of a material.

A line-of-sight detection device according to the present invention includes: a lens; an image sensor disposed on an edge of the lens; and a plurality of light sources disposed along the edge of the lens, wherein in a 360° range around an optical axis of the lens, a number of light sources per degree is the maximum in a range on opposite side of the image sensor with respect to the optical axis of the lens.

The invention discloses a glass inner surface defect detection device, relates to the technical field of defect detection, and aims to solve the problem that defects cannot be shot and displayed due to the fact that a glass is clamped by the top of light and may incline, the light deviates from the inner wall of the glass, the light irradiation uniformity of the inner wall of the glass is affected during shooting detection and the defects cannot be shot and displayed. According to the glass inner surface defect detection device, through inclination of the zigzag plate, the zigzag plate firstly makes contact with a cup opening of a glass during detection, through deformation cooperation of the sliding ring and the cushion cylinder, the contact pressure is buffered during downward pressing, meanwhile, in the buffering process, the position of the glass is adjusted through the inclination degree, the glass is made to be perpendicular to a light source, and the detection accuracy is improved. The problem that defects cannot be shot and displayed due to the fact that light and the inner wall of the glass are deviated due to inclination of the light source during detection and light irradiation uniformity of the inner wall of the glass is affected during shooting detection is avoided.

A vehicle system includes a display unit and a computer communicatively coupled to the camera. The display unit includes a display panel, a circuit board fixed relative to the display panel, a plurality of visible-light light emitting diodes (LEDs) mounted to the circuit board, and a plurality of infrared LEDs mounted to the circuit board and interspersed with the visible-light LEDs. The circuit board is arranged to direct emissions from the visible-light LEDs and infrared LEDs to the display panel. The computer is programmed to actuate a component based on an infrared image from a camera depicting an occupant illuminated by the infrared LEDs, and adjust a brightness of the infrared LEDs based on an ambient brightness.

A patient support apparatus includes a support surface including a topper. An opening is formed in a side of the support surface. A cavity extends from the opening into the support surface. An inlet port is positioned within the cavity and fluidly coupled to the topper. A pneumatic blower is configured to removably position within the cavity and has an outlet port that couples to the inlet port.

A phosphor plate includes a plate-like composite including a base material and a phosphor contained in the base material, in which the base material contains spinel, the phosphor includes a phosphor containing a Si element, and in an X-ray diffraction pattern of the phosphor plate using a Cu-Kα ray, in a case in which peak intensity corresponding to the spinel having a diffraction angle 2θ in a range of 36.0° or more and 37.4° or less is set to 1, total intensity of peaks having a diffraction angle 2θ in a range of 32.5° or more and 34.5° or less satisfies 0.5 or less.

The utility model provides a photography lamp assembly and a photography lighting system. The photography lamp assembly comprises a lampshade body and a shading unit. The inner wall of the lampshade body is a reflecting surface, the reflecting surface is in a gradually-expanding parabola shape, and light emitted by the light source is reflected by the reflecting surface to form parallel light perpendicular to the plane where the light outlet is located; a reflecting area is further formed in the lampshade body, the shading units are arranged in the reflecting area, and the peripheral edges of the shading units are tangent to set intersecting lines of the reflecting area so that the shading units can absorb light rays which are emitted by the light source and not reflected by the reflecting face. Therefore, the number of non-parallel light contained in the light emitted from the lampshade body is effectively reduced, the uniformity of the whole illumination surface is improved, the imaging effect of shooting is effectively improved, and the shooting requirement of a user is efficiently met.

An optoelectronic assembly includes: (i) a substrate having a cavity, (ii) an optoelectronic device, which is disposed over the cavity and includes an array of multiple emitters configured to emit a predefined number of light beams in response to receiving one or more electrical signals, and (iii) an integrated circuit (IC), which is mounted within the cavity, between the substrate and the optoelectronic device, and is configured to drive the one or more electrical signals to the optoelectronic device.

A light source device includes: a mounting board; a plurality of light-emitting parts disposed on the mounting board, each of the plurality of light-emitting parts being configured to be individually turned on; a light-shielding member defining an opening; and a light-guide member supported by the light-shielding member, the light-guide member comprising a Fresnel lens portion, wherein, in a top view, the Fresnel lens portion is located within an area of the opening of the light-shielding member. In the top view, irradiation areas of the respective light-emitting parts are at least partially separated from each other.

The multi-view imaging detection light source comprises a shell, a plurality of first reflectors, a plurality of second reflectors and a first light source assembly, the shell is provided with a light path channel, an input end and an output end, and the input end and the output end are communicated with the two ends of the light path channel; the first reflectors are arranged at intervals along the inner peripheral wall of the light path channel, the first reflectors are arranged close to the input end, and the mirror surfaces of the first reflectors are obliquely arranged in the extending direction of the light path channel towards the inner peripheral wall deviating from the light path channel; the second reflectors are arranged at intervals along the inner peripheral wall of the light path channel, the second reflectors are arranged close to the output end, and the mirror surfaces of the second reflectors are obliquely arranged close to the inner peripheral wall of the light path channel in the extending direction of the light path channel; a detected object used for detection is located at the output end, and an image of the detected object can be reflected into the input end through the second reflectors and the first reflectors in sequence; in this way, the detection camera located at the input end can shoot images of the detected object at multiple visual angles in one-time image taking, and the image taking efficiency is improved.

The present invention discloses a glass handwriting board, comprising a shooting fill light bar assembly, a handwriting glass assembly, a control box assembly and a shooting rod assembly, wherein the shooting fill light bar assembly is arranged on the front edge of the handwriting glass assembly, the control box assembly is arranged at the middle position of the bottom of the handwriting glass assembly, and the rear side of the control box assembly is connected to the shooting rod assembly. The present invention integrates the shooting rod assembly with the handwriting glass assembly through the control box assembly, so that the space occupied by the device is small; at the same time, by arranging the shooting rod assembly behind the handwriting glass assembly, the shooting rod assembly can shoot the writing content on the handwriting glass assembly, and the teacher in front of the handwriting glass assembly can also be photographed at the same time, which can strengthen the interaction between teachers and students, thereby effectively improving the teaching quality.

The invention provides a device screen-on control method, a household central control screen, a storage medium and an electronic device.The method comprises the steps that a display screen is controlled to enter a screen-off state, a living body signal is monitored through an infrared sensor, and the display screen comprises the infrared sensor, a camera and a light supplementing lamp; if a living body signal is detected, activating the camera and the light supplementing lamp; obtaining a face image collected by the camera; and lightening the display screen according to the face image. The technical problems of energy waste and light pollution caused by the fact that the display screen is normally on in the prior art are solved, power consumption is reduced, and the service life of the display screen of equipment is prolonged.

The invention provides a space-time resolution X-ray diagnosis system, relates to the technical field of X-ray diagnosis systems, aims to realize convenient cathode replacement, no circulating water leakage risk and imaging monitoring function, and relates to a pinhole / slit imaging system assembly and an air chamber type X-ray streak camera. The pinhole / slit imaging system assembly is mounted on a front panel of the air chamber type X-ray streak camera; the air chamber type X-ray streak camera comprises an air chamber and a camera assembly arranged in the air chamber. The camera assembly comprises an X-ray scanning image converter tube installed at the front end of the air chamber. A circulating water refrigerating system in the camera assembly is completely arranged in the air chamber; the pinhole / slit imaging system assembly is used for aiming at the position of a target spot and imaging X-rays emitted by the target spot to a cathode slit of the air chamber type X-ray streak camera, and the X-ray scanning image converter tube is used for achieving time scale light back illumination coupling. The method has the advantages of improving the use convenience and prolonging the service life of the device.

A method to fine-tune extrinsic parameters of a fisheye lens applied to surround view splicing is provided. Fisheye images are obtained from multiple fisheye lenses. Both sides of the fisheye images contain calibration boards. Initial extrinsic parameters are obtained based on the fisheye images. Multiple corner points of the calibration boards in the fisheye images are detected. The corner points are arranged so that the corner points are connected into a quadrilateral in sequence. The initial extrinsic parameters are multiplied by a fine-tuning value to obtain intermediate extrinsic parameters. The corner points are projected to a top-view projection by using the intermediate extrinsic parameters. The intermediate extrinsic parameters are adjusted according to the shape, size, and overlapping effect of the area surrounded by the corner points in the top-view projection.