69 results about "Monocular" patented technology

The invention discloses a monocular and binocular cooperative localization and mapping method and device for underwater refraction compensation, and the method comprises the steps: extracting checkerboard angular points, compensating an underwater light path through employing a two-time vector correction model based on a Snell law, and precisely calibrating the internal and external parameters of a binocular camera. According to the method, an underwater real light path is effectively restored, and calibration errors caused by medium refraction are remarkably reduced. Then epipolar correction is performed on the corrected left and right images, so that the geometric consistency of stereo matching is ensured; and finally, monocular and binocular poses are fused, and seven-degree-of-freedom similarity transformation global alignment is applied, so that the problem of monocular scale uncertainty is effectively solved, and high-precision and high-robustness three-dimensional mapping is realized by means of binocular real scale introduction. Key links such as camera pre-calibration, refraction compensation, image correction, monocular tracking, binocular depth measurement, scale alignment and the like are connected in series to form an integrated process, so that the underwater vision positioning and mapping precision is improved.

This application relates to the field of telescopes, and provides a stabilized gimbal of an erecting prism, a stabilized monocular, and stabilized binoculars. The stabilized gimbal of an erecting prism includes a prism casing, a rotation frame, an external mounting bracket, and a drive control assembly, where the drive control assembly is configured to: drive the prism casing to rotate around a first rotation shaft, and drive the rotation frame to rotate around a second rotation shaft based on deflection position information of the prism casing, deflection position information of the rotation frame, and three-dimensional rotation angular velocity information of the erecting prism.

The invention discloses an endoscope monocular dynamic scene reconstruction method based on dynamic Gaussian splashing and motion tracking, and the method comprises the steps: firstly obtaining a dynamic scene image, obtaining an initial three-dimensional track through introducing auxiliary prior information, and then obtaining three-dimensional Gaussian; based on the auxiliary prior information, generating a group of compact Sim3 motion bases, and obtaining each three-dimensional Gaussian transformation function in the dynamic scene image by using the weighted combination of the Sim3 motion bases, the parameters of the three-dimensional Gaussian transformation function including the transformation of the position and the shape along with the time; and performing three-dimensional Gaussian transformation to each frame of image of the dynamic scene according to the three-dimensional Gaussian transformation function, and performing image rendering on each frame to obtain a rendered image. According to the method, monocular depth and dense displacement field prior are combined, and the problem of monocular scale drift is solved by utilizing depth relative sequence stability. According to the method, real-time rendering is ensured, and meanwhile, the dynamic scene reconstruction precision is remarkably improved.

The invention discloses a Gaussian splash monocular reconstruction method based on a neural network, and the method comprises the steps: constructing a Gaussian splash monocular reconstruction model which comprises an image depth recovery model and an SfM motion recovery model, training the image depth recovery model, shooting a panoramic picture, training the panoramic picture through spherical convolution, recovering a distortion part, and carrying out the reconstruction of the Gaussian splash monocular reconstruction model; then sparse point cloud reconstruction is carried out through an SfM motion recovery model, a Gaussian reconstruction core is used for reconstructing the surface of the image to form a basic geometric configuration of the image, and finally, an image processing technology is used for carrying out Gaussian low-pass filtering noise reduction processing on the image to form a complete surface structure of an object, and three-dimensional reconstruction of an image scene is completed. According to the method, the three-dimensional Gaussian splashing technology is combined with the spherical convolution kernel to construct the geometric model of the object, the operability is remarkably improved, the calculation speed is greatly increased, and the method has important application value in the fields of intelligent medical treatment, engineering flaw detection and the like.

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.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for monocular underwater camera biomass estimation. In some implementations, an exemplary method includes obtaining a plurality of images of fish captured by a monocular underwater camera; providing the plurality of images that were captured by the monocular underwater camera to a first model trained to detect one or more fish within the plurality of images; generating one or more values for each detected fish as a set of values; generating a biomass distribution of the fish based on the set of values; and determining an action based on the biomass distribution.

The invention discloses a unified monocular three-dimensional target detection method based on a state space model backbone network, and belongs to the technical field of computer vision. Comprising the following steps: acquiring an image data set, and labeling; a unified monocular three-dimensional target detection model is constructed and comprises a backbone network, a neck network, a multi-head feature processing module, a BEV feature generation module, a BEV encoder module, a BEV decoder and a detection module which are connected in sequence; training a unified monocular three-dimensional target detection model by using the image data set; and realizing unified monocular three-dimensional target detection by using the trained unified monocular three-dimensional target detection model. According to the method, the visual backbone network of the state space model is applied to the unified monocular three-dimensional target detection task, and the calculation complexity can be reduced to the linear level while the long-distance dependency relationship can be effectively modeled. Therefore, when sequence data and image data are processed, the potential of high performance and high efficiency is achieved.

The invention discloses an illumination adaptive image preprocessing method and system for monocular Gaussian sputtering SLAM, and belongs to the technical field of computer vision and robots. Aiming at the problem that the front end of the existing SLAM system depends on a luminosity consistency hypothesis, and positioning drift and mapping artifacts are easy to generate under intense illumination fluctuation, the method decouples a processing flow into a global dimension and a local dimension. In a CIELAB color space, smooth correction of global exposure is realized through a continuous interpolation algorithm, a multi-factor joint constraint mechanism is introduced to adaptively calculate a dynamic threshold value of local contrast enhancement, and intermediate-frequency edge information is directionally improved in combination with a Gaussian difference sharpening technology. According to the method, the robustness of the system is enhanced in an illumination abrupt change and extremely dark environment, the SLAM positioning precision is remarkably improved, the image rendering capability is improved when 3D Gaussian sputtering is used for scene reconstruction, and suspended noisy points and geometric cavities in a map are effectively eliminated.

The invention provides AR glasses supporting emotion monitoring, and relates to the technical field of augmented reality, the AR glasses supporting emotion monitoring comprise a glasses body, a two-way eye camera, an emotion recognition module and an image processing unit, and the image processing unit comprises an emotion recognition algorithm and an image processing unit. The emotion recognition accuracy is 95.8% (angry) and 92.3% (anxiety), and compared with a traditional single-mode scheme (only facial expression), the emotion recognition accuracy is improved by 22% (angry) and 41% (anxiety). The blink frequency detection precision reaches + / -0.5 Hz through dynamic frame rate adjustment of the two cameras, and the feature point detection rate in a rapid blink scene is 98% (only 85% of a traditional monocular). By combining HRV physiological features extracted by PPG signals, the system can recognize the coupling relation between pupil diameter changes and blinking frequency, and physiological blinking and emotional blinking are successfully distinguished.

The utility model discloses a monocular hand-held observation device, the disclosed monocular hand-held observation device comprises a cylindrical shell, a lens, an image sensor and an adjusting mechanism, the lens is arranged at the second end of the cylindrical shell, the image sensor is arranged in the cylindrical shell and is located between the first end of the cylindrical shell and the second end of the cylindrical shell, and the adjusting mechanism is arranged between the first end of the cylindrical shell and the second end of the cylindrical shell. The lens and / or the image sensor are / is movably arranged on the columnar shell; the adjusting mechanism comprises a transmission assembly and a control part, the control part is movably arranged at the observation end, at least part of the control part is exposed out of the columnar shell, and the control part is connected with the lens and / or the image sensor through the transmission assembly and drives the lens and / or the image sensor to move through the transmission assembly so as to adjust the focal length between the lens and the image sensor; the cylindrical shell is provided with a holding part, and the holding part is located between the lens and the control piece. According to the scheme, the problems that monocular handheld observation equipment in the prior art is low in flexibility and poor in portability during use can be solved.

The utility model relates to the technical field of single-tube telescopes, and discloses a portable single-tube telescope, the single-tube telescope adopts a supporting integrated structure arrangement, a protective cover structure is installed and connected by using a telescopic support arm structure, the structure is simple, the layout is compact, the structural volume is small after the single-tube telescope is stored, and the single-tube telescope is convenient to carry. The cover structure is composed of a connecting frame seat and a protective turning cover, the protective turning cover is installed on the front portion of the connecting frame seat in an overturning mode through cooperation of a rotating shaft support and a limiting clamping block limiting fixed shaft, when the device is held and used, the supporting arm does not need to be unfolded, the objective lens can be opened only through overturning, and holding use and fixed-point supporting work of the device are completed; the protective flip cover serves as a bottom support structure, fixed-point placement supporting of the telescope body can be achieved through matched supporting of the flip supporting arm and the telescopic supporting arm, the telescope body can meet different work use requirements of movable holding and fixed-point placement, and the use flexibility and the work scene applicability of the device are greatly improved.

1. The name of this design product: Dual Laser Rangefinder (Monocular CI). 2. Purpose of this design product: This design product is used to measure distance. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The present application discloses a fitting method for the spontaneous emission noise of a lidar system and an optical fiber sensing system. Using the control variable method, by comparing co-located data and separated data, the spontaneous emission noise is fitted, which is beneficial to evaluating the performance of the laser. After measuring the spontaneous emission noise, by selecting a filter with an appropriate bandwidth and subsequent signal noise processing algorithms, the influence of the spontaneous emission noise on the echo signal can be removed, improving the detection distance and the accuracy of detection data of the lidar system and the optical fiber sensing system; in addition, after fitting the spontaneous emission noise, a calibrated single-tube telescope can be used alone to achieve the detection of a single-photon lidar without the interference of spontaneous emission noise.

1. The name of the design product: thermal imaging monocular. 2. The use of the design product: infrared imaging telescope. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: monitor (Q1 monocular MINI ball machine). 2. The use of the design product: the design product is used for monitoring. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Aspects of the invention disclose a variable-magnification monocular, comprising an objective lens group, a prism group and an eyepiece group arranged in sequence along an optical axis direction, wherein the eyepiece group comprises an eyepiece compensation group, an eyepiece variable-magnification group and an eyepiece fixing group arranged in sequence; the focal lengths of all lens groups satisfy the following conditional formula: −1.4<F31 / F32<−0.9 and 2<F33 / F32<1.7. The eyepiece magnification group and the eyepiece compensation group may move closer to or farther from each other along the optical axis to achieve continuous change of magnification between 60-20. The monocular may achieve continuous adjustment of the magnification of the monocular by moving the eyepiece zoom group and the eyepiece compensation group closer to or farther from each other along the optical axis, which can meet the needs of different observation objects.

The invention discloses a medical bed motion tracking system and method based on trinocular vision. The system adopts a non-equidistant compact three-camera layout, the left and middle base line is about 30cm, the left and right base lines are about 40cm, and all-angle dead-angle-free medical bed pose capture is realized by matching with medical spherical reflective mark points. Aiming at the shielding problem in a clinical environment, a dual anti-shielding strategy is adopted, trinocular redundancy characteristics are physically utilized, and binocular tracking is automatically switched when a monocular is shielded; a marker ball template is introduced in algorithm to match and repair damaged features. In a stereo matching link, an epipolar line and antipolar line dual verification mechanism is provided for a one-to-many mismatching problem, mismatching is eliminated through bidirectional projection consistency, uniqueness and accuracy of a matched triple are ensured, and high-precision three-dimensional reconstruction and pose tracking are further realized.

The invention provides a monocular 6D pose estimation method and system based on enhanced feature projection decoupling, and relates to the technical field related to robot visual perception, and the method comprises the steps: obtaining a monocular RGB image of a target object scene; inputting the monocular RGB image into the trained pose estimation network to obtain a 6D pose of the object; local features and multi-scale global features are extracted and fused through the pose estimation network, and high-dimensional object enhanced feature representation is obtained; performing coordinate projection decoupling on the enhanced feature representation of the high-dimensional object to obtain dense corresponding mapping between a three-dimensional model and a two-dimensional image of the target object and an object mask; performing pose regression on the dense corresponding mapping of the target object and the object mask to obtain a 6D pose of the object; the method does not need to depend on depth information, multi-view images and various intermediate representations, can accurately estimate the pose of the object only by using the monocular RGB image, reduces the network design and data annotation cost, and improves the robustness of a complex scene.

Described are various embodiments of a binocular optical system with adjustable monocular positioning and related methods for adjusting same. In one embodiment, a system comprises a binocular optical system, comprising: a digital display; a first monocular subassembly comprising a first eyepiece and defining a first optical path therethrough between said first eyepiece and said digital display; a second monocular subassembly comprising a second eyepiece and defining a second optical path therethrough between said second eyepiece and said digital display; wherein said digital display is operated to project respective first and second pixelated content through said first eyepiece and said second eyepiece, respectively; and wherein the system further comprises an adjustment mechanism operable to adjust a relative position of said first eyepiece and said second eyepiece so to substantially correspond with a user's interpupillary distance in order to optimize viewing of said respective first and second pixelated content.

The utility model relates to the technical field of single-tube telescopes, and discloses a single-tube telescope with a magnetic attraction structure, one end of a single-tube telescope body is provided with an eyepiece, and the other end of the single-tube telescope body is provided with an objective lens; a storage assembly is arranged on one side of the single-tube telescope body and is used for accommodating accessories; a connecting assembly is arranged on one side of the storage assembly; the storage assembly comprises a box body, a box cover is hinged to one side of the top of the box body, automatic closing is achieved through attraction between the box cover and a first magnet on the top of the box body through an iron sheet, a user does not need to manually conduct complex locking operation, the first magnet and the iron sheet can be automatically attracted only by turning the box cover downwards to make contact with the box body, and the box cover can be automatically closed. Space partitioning is achieved in the box body through plug-in connection of the limiting grooves and the partition plates, and a user can flexibly adjust the positions of the partition plates according to actual requirements, so that the size and the shape of the containing cavities are changed, appropriate storage spaces are provided for different accessories, and diversified storage requirements are met.

1. Name of the product in this design: Camera (Monocular and Binocular Camera). 2. Intended use of this design: for use in vehicle-mounted or aircraft-mounted cameras. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

This invention relates to a method for calculating the impact response spectrum based on hybrid monocular and binocular high-speed video measurement, comprising the following steps: camera calibration of the high-speed camera to obtain camera parameters and scale factor; stereo matching of the initial static frames of the binocular images obtained by the high-speed camera under static conditions; identification of occluded targets in the left and right image sequences using an affine transformation-based occlusion target detection algorithm; image sequence matching based on the occlusion target detection results, performing binocular stereo-sequence dual matching for unoccluded speckles, and monocular sequence matching for speckles occluded only in one camera view; and, based on the image sequence matching results, sequentially performing coordinate calculation, coordinate system correction, information fusion, displacement and acceleration calculation, and impact response spectrum calculation to obtain the impact response spectrum. Compared with existing technologies, this invention has advantages such as accurate impact response spectrum calculation results under occlusion conditions.

1. Name of the product in this design: Handheld Monocular Infrared Thermal Imager. 2. Application of this design: This design is a handheld monocular infrared thermal imaging device, mainly used for observation in scenarios such as safety monitoring, search and rescue, and outdoor exploration. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention belongs to the technical field of optical system precision detection, and particularly relates to a binocular-assisted single-objective telecentric structured light system calibration and measurement method and system. The method comprises the following steps: obtaining a phase difference value and a height difference value of a reference plane based on a measurement system, fitting a mapping relation between the phase difference value and the height difference value, and realizing calibration from phases to heights of two monocular targets; and converting the phase value of the to-be-measured object into a height value and a point cloud coordinate based on the fitted mapping relation between the phase difference value and the height difference value, and realizing three-dimensional reconstruction and measurement of the to-be-measured object through point cloud splicing. According to the method, the symbol ambiguity problem of a monocular camera lens calibration method is solved, meanwhile, the precision and efficiency problems brought by a traditional projector calibration method are avoided, the phase matching link of an object is avoided, and therefore the problems of matching errors and information loss caused by phase matching under the shielding condition are effectively solved.

The invention belongs to the technical field of underwater calibration, and particularly relates to a sealed viewport calibration method of a monocular and binocular three-dimensional scanning system. Installing a sealed viewport on a three-dimensional scanner shell, and obtaining the distance from the sealed viewport close to a camera side interface to the end face of the shell; detaching a sealing viewport mounted on the shell of the three-dimensional scanner, and meanwhile, fastening the camera to ensure that the pose of the internal camera is not changed; placing the calibration plate in the view field of the camera in the air, changing the pose of the calibration plate for multiple times, and solving the internal parameters and the distortion coefficient of the single-viewpoint model of the camera; the movable guide rail is connected with the scanner shell and the calibration plate through the clamping tool, the one-dimensional movable guide rail is perpendicular to the installation face of a sealing viewport of the three-dimensional scanner shell through positioning connection, and the one-dimensional movable guide rail is perpendicular to the calibration face of the calibration plate through positioning clamping. Namely, the calibration plate moving along the one-dimensional guide rail is parallel to the sealed viewport of the three-dimensional scanner shell. According to the invention, the sealing viewport key parameter calibration of the underwater three-dimensional scanning system can be rapidly completed.

The invention relates to the technical field of intelligent equipment, in particular to monocular AR glasses. According to the monocular AR glasses provided by the invention, the technical problem that the AR glasses in the prior art must adopt customized lenses with degrees is solved. The monocular AR glasses comprise a glasses main body; the lenses are arranged on the glasses main body; the pair of glasses comprises a glasses main body and an AR glasses module, the AR glasses module is arranged on the glasses main body, the AR glasses module is detachably connected to the glasses main body, and the AR glasses module covers one of the lenses. A small monocular AR glasses module can be conveniently fixed on one side of the existing aged or myopic glasses, and an AR superposition display effect is presented on the side of the glasses. For aged or myopic people, the trouble that binocular AR glasses must adopt customized lenses with degrees and double-layer lenses are superposed is avoided.

A long-distance optical device (1), in particular a monocular, binocular, or night vision device, comprising at least one display area (21) for displaying optical information, - at least two electrochromic assemblies (1) assigned to at least one display area (21), each of which is capable of transitioning to one or more operating states in order to change the brightness and / or chromaticity and / or contrast of the respective optical information, and, - a control device (23) assigned to the at least two electrochromic assemblies (1), configured to generate control information for transitioning the at least two electrochromic assemblies (1) to their respective one or more operating states.

The present application discloses a monocular handheld observation device. The disclosed monocular handheld observation device comprises a cylindrical housing, a lens, an image sensor and an adjustment mechanism, wherein the lens is arranged at a second end of the cylindrical housing, the image sensor is arranged in the cylindrical housing and is located between a first end of the cylindrical housing and the second end of the cylindrical housing, and the lens and / or the image sensor is movably arranged on the cylindrical housing. The adjustment mechanism comprises a transmission assembly and an operating member, wherein the operating member is movably arranged at an observation end, at least part of the operating member is exposed outside the cylindrical housing, the operating member is connected to the lens and / or the image sensor by means of the transmission assembly, and by means of the transmission assembly, drives the lens and / or the image sensor to move, so as to adjust the focal length between the lens and the image sensor. The cylindrical housing is provided with a holding portion, and the holding portion is located between the lens and the operating member. The solution above can solve the problems in the related art of low flexibility and poor portability of monocular handheld observation devices during use.

This invention discloses an optically optimized, non-rotating curved mirror single-lens AR-HUD optical path system. The system includes an image source, a primary mirror, a secondary mirror, and a windshield. Light rays from the image source pass through the primary mirror, secondary mirror, and windshield to create a virtual image in front of the windshield, which is observed at the virtual image viewing position represented by the eyepiece. The secondary mirror is fixedly mounted on a support bracket of the AR-HUD optical path system. The system utilizes a free-form surface design based on multiple ray tracing simulations and optimizes the surface coating using a multi-wavelength optimization method. This invention also discloses a large-size single-lens box ray path optimization method with broad application value.