751 results about "Night vision" patented technology

Disclosed is a nighttime unmanned aerial vehicle (UAV) object tracking method fusing a hybrid attention mechanism. According to the method, a night vision image enhancement model is employed to enhance various nighttime image frames in a night vision video sequence of UAV before performing image object tracking and recognition, to improve the accuracy of object tracking for nighttime images. With the aid of a spatial channel hybrid attention mechanism, the night vision image enhancement model can adaptively learn spatial channel features, enhancing generalization ability, and enabling the network model to focus on more effective features. Additionally, a denoising processing module is introduced to remove noise hidden in the nighttime images, improving the object positioning accuracy and tracking performance of UAV in nighttime scenarios, and reducing the failure probability of object tracking by UAV in nighttime scenarios.

The invention relates to the technical field of image processing, in particular to a low-light and infrared image fused night vision imaging method and system. According to the method, multi-source data collaboration is realized by constructing a dual-band polarization feature cube, a degradation rule of fog scattering on low-light texture is accurately quantified, and a scattering invariance enhanced image is generated; based on fog concentration gradient dynamic partitioning, low-light details and infrared contours are fused in a low-concentration area, polarization state penetrating dense fog is recombined in a high-concentration area, finally, a night vision image with high definition, high scattering resistance and scene adaptability is output, and the identification capacity and monitoring reliability of fog night road targets are improved.

The invention relates to the technical field of wireless communication, in particular to an intelligent wireless communication control method applied to ships and boats. The method comprises the following steps: acquiring radar original point cloud data, an AIS ship attribute data set, a Beidou navigation state data set and night vision target feature data through a multi-dimensional sensor, and constructing ship multi-source standardized preprocessing data; therefore, the functions of multi-source heterogeneous data fusion, dynamic channel adaptive modulation, distributed relay communication guarantee, real-time air route dynamic planning, intelligent instruction generation and the like are realized; the problems of high data isolation, large transmission delay, rigid navigation path, slow obstacle avoidance response, insufficient formation collaboration and the like in the existing ship communication control technology are solved, and the communication stability, the navigation safety and the overall combat effectiveness of the ship formation in a complex dynamic environment are remarkably improved.

A quick-attachment / quick-release firearm accessory mounting assembly releasably and rotatably attached to a firearm rail, chassis, or handgun slide to receive any of a number of different accessories, such as, a telescopic sight, reflector sight, laser sight, night vision sight, thermal scope, range finder, and other secondary instruments. The mounting assembly is in the form of an adaptor plate having attachment structures for receiving the accessory on a top surface, and securing to the firearm structure on a bottom surface. The firearm is modified to receive the adaptor plate, the firearm frame having a recess portion with a center protrusion in rotatable communication with a center aperture in the adaptor plate, and having grooves or slots formed at each end of the recess portion to receive flanges at each end of the adaptor plate upon rotation.

A multi-accessory mount assembly for use with a firearm, and methods for coupling the assembly to the firearm are provided. The assembly may include a proximal portion having a lower surface configured to be removably coupled to the firearm and an upper surface configured to be removably coupled to a sub mount. The sub mount may be configured to be removably coupled to a first firearm accessory, e.g., an optic scope, a red dot sight, a reflex sight, a night vision monocular or scope, or a magnifier. The assembly further may include a distal portion extending distally from the proximal portion via a neck portion, such that the distal portion is elevated higher than the proximal portion. An upper surface of the distal portion may be configured to be removably coupled to a second firearm accessory, e.g., an infrared laser or a night vision monocular or scope.

An XR system is disclosed having a night mode to optimize performance in low light conditions. The system estimates a user's dark adaptation level based on captured image data and selects a rendering configuration aligned with the user's vision. For example, spatial resolution, temporal resolution, color mode, and brightness are adjusted based on whether the adaptation level is scotopic, mesopic, or photopic. With eye tracking, foveated rendering is used for cones and periphery rendering for rods. Without eye tracking, modes with different wavelengths and colorization are employed. The night mode aims to maximize information visible on the display, conserve power by only showing what eyes can perceive, and preserve night vision by avoiding over-stimulating rods.

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 sight system based on a combination of infrared imaging, low-illumination imaging, and an LED sight light dot, comprising an LED graphics chip (20), a lens (3), a beam splitter (30), a display screen (31), a thermal imaging core assembly (13), a low-light night vision camera module (48), and a main control board (51). The thermal imaging core assembly (13) is electrically connected to the main control board (51), the low-light night vision camera module (48) is electrically connected to the main control board (51), the thermal imaging core assembly (13) and the low-light night vision camera module (48) are both electrically connected to the display screen (31), the main control board (51) is electrically connected to the LED graphics chip (20) and the display screen (31), separately, and light emitted from the LED graphics chip (20) and the display screen (31) is incident on the lens (3) after passing through the beam splitter (30).

A quick-attachment / quick-release firearm accessory mounting assembly releasably and rotatably attached to a firearm rail, chassis, or handgun slide to receive any of a number of different accessories, such as, a telescopic sight, reflector sight, laser sight, night vision sight, thermal scope, range finder, and other secondary instruments. The mounting assembly is in the form of an adaptor plate having attachment structures for receiving the accessory on a top surface, and securing to the firearm structure on a bottom surface. The firearm is modified to receive the adaptor plate, the firearm frame having a recess portion with a center protrusion in rotatable communication with a center aperture in the adaptor plate, and having grooves or slots formed at each end of the recess portion to receive flanges at each end of the adaptor plate upon rotation.

The invention relates to the technical field of luminescent materials, and discloses a preparation method and application of a transition metal and chalcogen ion doped metal halide high-efficiency wide-spectrum luminescent material, the chemical formula of the transition metal and chalcogen ion doped metal halide is Cs2Sn1-x-yCl6: x% Te < 4 + >, yMo < 4 + >, the ultra-wideband fluorescent powder converted light emitting diode (LED) covers the range from visible light (VIS) to near infrared light (NIR), and shows remarkable potential in practical application. According to the invention, ultra-wide spectrum emission from 400 nm to 1400 nm is realized in Mo < 4 + >-Te < 4 + > co-doped Cs2SnCl6, and the photoluminescence quantum yield of 95.3% is achieved, the excellent performance is realized through efficient energy transfer from Te < 4 + > to Mo < 4 + > and passivation synergistic effect of vacancy defects, and the performance can be verified through theoretical calculation and spectral research; finally, the ultra-wideband fluorescent powder conversion LED based on the Mo < 4 + > and Te < 4 + > co-doped Cs2SnCl6 is successfully prepared and is applied to the fields of blood gas analysis and night vision imaging.

The invention relates to a system and a method for making a colored low-light image. The system for making the color low-light-level image comprises a high-sensitivity CMOS imaging module which is used for enhancing the photon collection capability and reducing the noise level to complete imaging; the image enhancement processing module adopts a histogram equalization algorithm and comprises the steps of calculating a gray histogram of the original image, calculating a cumulative distribution function according to the gray histogram and performing gray mapping to obtain an enhanced gray value; the image noise reduction processing module is used for carrying out noise reduction on the image after enhancement processing, and filtering is carried out by adopting a night image noise reduction technology, a bilateral filtering method including spatial domain noise reduction and a band-pass filter including frequency domain noise reduction; and the colorful low-light-level image generation module obtains a colorful low-light-level night vision image by adopting an interpolation algorithm and makes a colorful low-light-level image. According to the system and the method for manufacturing the colored low-light-level image, special equipment is not depended on, the imaging quality of the colored low-light-level image can be improved, and the colored low-light-level image can be manufactured.

The invention discloses a radio frequency detection and identification method and device fusing low-light and thermal imaging, and relates to the technical field of detection and identification, and the method comprises the steps: obtaining the angle information of a radio frequency signal through an array antenna, and generating the preliminary spatial signal distribution of a target region; performing image alignment fusion by combining the low-light night vision image and the thermal imaging information to generate a preliminary fusion image; spatial signal distribution is mapped to a fused image coordinate, and a spatial corresponding relation between a radio frequency signal and an image is established; fusing the radio frequency signal features and the image features based on the corresponding relation to generate joint features; and target positioning and labeling are realized by using the combined features. The technical problem of low target identification and positioning precision in a complex environment in the prior art is solved, and the technical effect of improving the target identification and positioning precision is achieved through more comprehensive information acquisition and data fusion.

An ophthalmic lens configured to correct and / or treat at least one condition of the eye (e.g., presbyopia, myopia, hyperopia, astigmatism, binocular vision disorders, night vision image quality, and / or visual fatigue syndrome) comprising: a base power profile; and at least one pulse selected to modify the base power profile.

The invention discloses a laser point cloud and image fused power transmission channel external damage hidden space distance measuring device and a starting method thereof.The power transmission line external damage hidden danger monitoring device is installed on a power transmission tower and mainly comprises a laser point cloud acquisition module, a common light image acquisition module and a night vision image acquisition module; according to the external damage hidden danger space distance measuring device, a laser point cloud acquisition module and an image acquisition module are integrated into the device, and a direction adjusting mechanism is arranged at the installation position of the laser point cloud acquisition module and the image acquisition module; the method comprises the steps of starting point cloud data acquisition to reconstruct point cloud data and starting a distance measurement method. According to the method, the visualization function of an existing power transmission line can be considered, the distance from the external damage hidden danger to the power transmission body can be calculated, quantitative analysis of the external damage hidden danger is achieved, and invalid warning of the external damage hidden danger is greatly reduced.

The utility model relates to the technical field of wireless microphones, in particular to a wireless microphone with a positioning function, which comprises a microphone main body, a protective lens is arranged at the bottom of the microphone main body, a video transmission module is arranged in the microphone main body, a micro camera is arranged at the bottom of the video transmission module, and a wireless communication module is arranged in the microphone main body. The bottom of the video transmission module is provided with a plurality of night vision lamps, the top of the microphone main body is provided with a net head, the outer side of the microphone main body is provided with a display screen, and the outer side of the microphone main body is provided with a power switch. According to the utility model, a scene outside the microphone main body is shot through the miniature camera, and the picture is transmitted to a user, so that the user can accurately search the microphone main body according to the shot picture, the difficulty of searching the microphone main body is greatly reduced, and the efficiency of searching the microphone main body is improved.

The utility model relates to the technical field of automobile accessories, and discloses a high-definition night-vision multi-view automobile data recorder which comprises a fixing plate and a fixing suction cup fixedly installed in the middle of the top of the fixing plate, a shell is fixedly installed in the middle of the bottom of the fixing plate, and a clamping assembly is installed on the front side of the shell. A ball body is embedded in the middle of the bottom of the shell, a supporting rod is fixedly installed at the bottom of the ball body, the angles of the main camera and the side cameras can be adjusted at will through the ball body, the using effect is good, and the problem that camera shooting dead angles exist on the two sides of the main driver and the co-driver can be solved through mutual cooperation of the main camera and the side cameras; and through mutual cooperation of a rotary knob, a worm, a worm gear, a first threaded rod, a second threaded rod, a threaded sleeve, an L-shaped plate, clamping plates and a limiting telescopic rod, the distance between the clamping plates can be adjusted, limiting and releasing of the ball can be achieved, and the stability of angle adjustment is improved.

The invention discloses infrared night vision AR (Augmented Reality) intelligent glasses based on multispectral fusion, and relates to the technical field of infrared intelligent application. High-precision scene perception in a low-light / light-free environment is realized by fusing dual-channel data of low-light imaging and infrared thermal imaging and combining cross-modal feature matching and dynamic pose compensation; an environment detail structure is restored by a low-light image enhancement technology, thermal feature targets such as organisms are accurately recognized through thermal imaging target segmentation, and a three-dimensional environment model with space geometric information and target attributes is constructed through heterogeneous feature fusion; and dynamically adjusting the display transparency of the key target in the AR view field through a virtual information layer adaptive mixing mechanism driven by a hot target attribute, and finally outputting a virtual-real fused enhanced view, thereby breaking through the illumination limitation of the traditional AR glasses, and improving the visual effect of the AR glasses. And immersive augmented reality experience with panoramic detail perception and hot target accurate positioning is provided for the user in a dark environment.

The invention discloses a nano-pillar array NaKSb photoelectric cathode for enhancing light absorption, which is characterized in that through the design of a double-layer TiOtwo-dimensional nano grating and a nano-pillar array structured NaKSb photoelectric cathode layer, the optical path of light with the wave band of 450-900 nm in the photoelectric cathode is increased under the condition that the thickness of the NaKSb photoelectric cathode is not increased, the reflectivity of the wave band of 400-600 nm is reduced, and the light absorption of the NaKSb photoelectric cathode is enhanced. The absorption rate at 400-1000 nm is improved by 32.28% compared with that of a traditional planar film type photoelectric cathode, the absorption rate at 800-1000 nm near-infrared band is improved by 40.27% compared with that of the traditional planar film type photoelectric cathode, the problem that the absorption of the traditional planar film type photoelectric cathode near-infrared band is insufficient is solved, and the photoelectric cathode is suitable for high-performance low-light night vision imaging devices.

The invention provides a low-power-consumption wireless camera self-adaptive night vision system and an energy-saving control method, and relates to the technical field of image communication and monitoring, an infrared detection unit is used for identifying human infrared signals so as to judge whether video recording needs to be started or not, a partition acquisition strategy is started according to personnel position coordinates, and meanwhile, the energy-saving control method is used for monitoring the human infrared signals. By concentrating night light supplement of the wireless camera and reducing misjudgment of moving objects such as animals, the endurance of the wireless camera is improved, and meanwhile useful video data are collected in a targeted mode, so that loss of personnel and property under the condition similar to camping is reduced.

The invention discloses an explosion-proof full-color low-light night vision camera for mines, which comprises an explosion-proof shell, an explosion-proof lens, an image sensor, an image processing module and an image transmission module, and is characterized in that the image processing module comprises an image acquisition module used for acquiring multiple frames of original low-light images in a low-illumination environment based on an enhanced image sensor; the image noise processing module is used for processing the multiple frames of original low-light images through a noise suppression algorithm so as to remove noisy points in the images; the image color processing module is used for generating a full-color night vision image which is accurate in color and rich in details based on an image fusion and color compensation technology; and the image optimization module is used for performing real-time optimization processing on the full-color night vision image to improve the frame rate and the recognition effect of the target in the low-contrast environment. The camera can solve the problem that a high-definition full-color picture cannot be displayed even if light supplement is adopted in a night vision environment.

A display includes a split night visions imaging system (NVIS) filter, including a first and second interference filter. The first interference filter is disposed between a backlight and a diffuser of the display. The second interference filter is disposed between the diffuser and an LCD stack of the display. A cutoff wavelength of the second interference filter is between cutoff wavelengths of the first interference filter.

The 360-degree panoramic infrared light supplement lamp comprises four infrared light supplement lamps which are evenly arranged on a mounting plate in an annular array mode, and light supplement lamp power lines of the four infrared light supplement lamps penetrate through interfaces of a junction box to be connected to a control panel in the junction box. One end of the photoresistor photoreceptor is connected to a control panel in the junction box through a flat cable, and the exposed photosensitive part of the photoresistor photoreceptor is located in the center of a top cover of the junction box. The light supplementing irradiation angle of each light source is 120 degrees; the four light sources are uniformly distributed, 360-degree panoramic light supplement is further realized, the structure is simple, the design is reasonable, the device is suitable for continuous live broadcast monitoring of the panoramic camera in an ultra-low illumination environment at night, and a night vision effect can be achieved.

The housing assembly of the panning binocular night vision system is configured to facilitate the night-vision monoculars being horizontally rotated outwards, thereby facilitating an expanded horizontal field of view. An example housing assembly comprises a bridge member, a first arm assembly and a second arm assembly rotatably coupled to a first end and a second end, respectively, of the bridge member, and a first pod and a second pod attached to a distal end of the first arm assembly and the second arm assembly, respectively. The first pod and the second pod serve as a housing for a first optical device and a second optical device, respectively. The first arm assembly and the second arm assembly each include a rotational connector, a pod adapter, and a mounting bracket used to pivotally couple the pod adapter to the rotational connector. The pod adapter and the mounting bracket of both the first arm assembly and the second arm assembly are configured to horizontally articulate and thereby facilitate rotating the first pod and the second pod, respectively, between a center-neutral position and a wide-angle position.

The invention discloses an enhanced information generation method and system of a low-light-level night vision goggle, and relates to the field of image data processing, and the method comprises the steps: collecting a visible light image of a low-light-level night vision scene through the low-light-level night vision goggle, and collecting a depth image of the low-light-level night vision scene through an infrared depth sensor; preprocessing the collected visible light image and the depth image; according to the preprocessed depth image, constructing a three-dimensional model of a low-light night vision scene through a three-dimensional reconstruction algorithm; fusing the three-dimensional model and the acquired visible light image by using a GAN (Generative Adversarial Network) to generate an enhanced night vision image; aiming at geometric distortion of a scene in a low-light night vision enhanced image in the prior art, a depth image of the low-light night vision goggles scene is collected, and a three-dimensional geometric model of the scene is constructed through the depth image. And fusing the three-dimensional model and the visible light image by using the generative adversarial network, generating an enhanced night vision image and the like, retaining a scene geometric structure, and generating a more vivid night vision image.

The invention relates to a train wheel polygon online detection device and method. The device comprises a bottom plate, a laser sensor and a high-definition night vision camera, wherein the laser sensor and the high-definition night vision camera are arranged along a track; when the laser sensor detects the wheel set of the train, the high-definition night vision camera starts to detect the wheel set of the train, and image acquisition is carried out on the rim of the wheel set and the surface of the tread; and three-dimensional reconstruction is carried out by combining data measured by a plurality of groups of high-definition night vision cameras, so that a three-dimensional model of the measured wheel set can be obtained, and a wheel polygon numerical value of the wheel set is analyzed and calculated by utilizing an algorithm. According to the device, online detection can be realized, a train does not need to stay, accurate and quantitative measurement of polygon parameters of wheels of all wheel pairs can be completed through one-time passing, the algorithm is convenient and fast, the system response speed is high, conflict with train overhaul or turning repair operation is avoided, and the train overhaul application efficiency is also improved while the measurement efficiency is greatly improved.

Training ammunition that may be utilized by the U.S. Army, Marines and other Armed Forces that conduct training exercises with about 20 mm to 155 mm cartridges. The munition would electronically generate / initiated a signature that would become present at the target. The user would be able to observe the signature with the unaided eye during day or night training, or with devices such as night vision goggles / monocular or thermal sites. The generated signature would not utilize any explosives or pyrophoric iron powders, and would not create an increased fire hazard risk to the user. The munition would be able to survive typical rough handling and firing weapon malfunctions without becoming unusable, or causing delays in training exercises.

A method comprises illuminating an area using an infrared light source. The method further comprises, while the area is illuminated using the infrared light source, capturing one or more images of the area. The method further comprises analyzing the one or more images to identify an object in the area. The method further comprises, after identifying the object, illuminating the area using a visible light source.

The utility model discloses concrete slump detecting and adjusting equipment in a concrete truck. The night vision camera is arranged to shoot images of concrete, the infrared thermometer is arranged to detect the temperature of the concrete, the dryness and humidity sensor is arranged to detect the dryness and humidity in the stirring tank body, and a driver of the concrete truck observes the images through the display control device. And whether the slump of the concrete is insufficient or not is judged by combining temperature and humidity data, and when the slump of the concrete is insufficient, the display control device can control the adjusting valve and the hydraulic pump to output quantitative slump adjusting liquid into the stirring tank body, so that the slump of the concrete in the concrete transport vehicle is detected and adjusted more accurately.

The invention relates to the technical field of monitoring equipment, in particular to multi-optical-axis optical imaging infrared night vision equipment and a control method thereof. Fusing the real-time image data of each optical axis to generate a fused real-time imaging image; if the image entropy of the real-time imaging image is greater than a preset threshold value, the real-time imaging parameter of the infrared night vision equipment is not regulated and controlled; if the image entropy of the real-time imaging image is not larger than a preset threshold value, an imaging parameter deviation value of an imaging module is obtained, a preset deviation correction measure is obtained according to the imaging parameter deviation value in combination with matching of a B tree-index map, and real-time imaging parameters of the infrared night vision equipment are regulated and controlled according to the preset deviation correction measure. According to the invention, the imaging quality, the stability and the adaptive capability of the infrared night vision equipment in the monitoring work are effectively improved.