G02B27/644

HIGH SPEED SCANNING SYSTEM WITH ACCELERATION TRACKING

Disclosed herein is a high throughput optical scanning device and methods of use. The optical scanning device and methods of use provided herein can allow high throughput scanning of a continuously moving object with a high resolution despite fluctuations in stage velocity. This can aid in high throughput scanning of a substrate, such as a biological chip comprising fluorophores. Also provided herein are improved optical relay systems and scanning optics.

GIMBAL, PHOTOGRAPHING ASSEMBLY AND UNMANNED AERIAL VEHICLE
20200371310 · 2020-11-26 ·

The present invention relates to the field of aircrafts, and provides a gimbal, a photographing assembly and an unmanned aerial vehicle (UAV). The gimbal includes: a first motor, a lens barrel, a second motor, a support assembly and a wire. The first motor is configured to carry a photographing device and drive the photographing device to rotate around a first rotation axis. The first motor is mounted to the lens barrel. The second motor is mounted to the lens barrel and is configured to drive the lens barrel, the first motor and the photographing device to rotate around a second rotation axis, and the first rotation axis is perpendicular to the second rotation axis. The lens barrel and the second motor are both mounted to the support assembly. The wire penetrates through the support assembly and the lens barrel, and is electrically connected to the first motor and the photographing device. The wire of the present invention penetrates through the support assembly and the lens barrel, so that occupied space of the gimbal can be saved, and the gimbal has a compact structure and a small volume.

Imaging device for scenes in apparent motion

Imaging systems and methods for imaging of scenes in apparent motion are described. A multi-axis positioning mechanism is operable to move an area imaging device along a tracking axis. A control module directs the multi-axis positioning mechanism to set the tracking axis to be substantially parallel with the apparent motion, and directs the multi-axis positioning mechanism to move the area imaging device in one or more cycles such that the area imaging device moves, in each of the one or more cycles, forward along the tracking axis at a tracking speed that compensates for the apparent motion. The control module directs the area imaging device to take at least one exposure during each of the one or more cycles to generate one or more exposures. An imaging module forms an image of the scene based on the one or more exposures.

OPTRONIC SYSTEM FOR A PLATFORM AND ASSOCIATED PLATFORM
20200292278 · 2020-09-17 ·

The invention relates to an optronic system for a platform, the optronic system comprising: a support that can be rotated about a first axis, the support defining an space; an optronic head for observing part of the surroundings of the platform, the optronic head being mounted such that it rotates about a second axis, the second axis being perpendicular to the first axis, a hemispherical viewing device comprising a sensor with an optical system having an at least hemispherical field, the sensor being able to detect images of part of the surroundings of the platform, and a calculator for processing the images that the sensor detects, the calculator being in the inside space and the sensor being secured to the support.

METHOD AND SYSTEM FOR CAPTURING AND MEASURING THE POSITION OF A COMPONENT WITH RESPECT TO A REFERENCE POSITION AND THE TRANSLATION AND ROTATION OF A COMPONENT MOVING RELATIVE TO A REFERENCE SYSTEM
20200249009 · 2020-08-06 · ·

A method for capturing and measuring translation and/or rotation of a component moving relative to a reference system includes providing a marker on the component and providing a measurement system having a camera arranged in the reference system. The marker has at least three points which do not lie on a straight line on an upper side of the marker and the camera has an evaluation unit and memory that stores a geometry of the upper side including the at least three points. The camera is aligned with the at least three points and a first image of the marker located in a first portion is captured and stored and a scond image of the marker in a second position that is different than the first position is stored. Also, translation and/or rotation of the component in three-dimensional space between the first position and the second position is calculated.

IMAGING SYSTEM WITH PANORAMIC SCANNING RANGE
20200221026 · 2020-07-09 ·

Cameras with panoramic scanning range comprising a folded digital camera in which an optical path folding element (OPFE) that folds a first optical path from an object or scene into a second optical path substantially parallel with an optical axis of a lens of the folded camera, the OPFE being rotatable around the lens optical axis, and systems incorporating such cameras.

OPTICAL IMAGING LENS GROUP, VEHICLE CAMERA AND DRIVING ASSISTANCE SYSTEM

An optical imaging lens group, from an object side to an image side sequentially includes: a meniscus-shaped first lens having a negative refractive power and a convex surface facing the object side; a meniscus-shaped second lens having a negative refractive power and a convex surface facing the image side; an aperture stop; a third lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fourth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fifth lens having a negative refractive power and two concave surfaces respectively at the object side and the image side; a sixth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; and a filter.

Multi-View Aerial Imaging
20200191568 · 2020-06-18 ·

A method for capturing a multi-view set of images of an area of interest, the multi-view set of images comprising, for each of a plurality of points within the area of interest, at least one nadir image and at least four oblique images from four substantially different viewing directions, the method comprising moving a dual-scan scanning camera along a survey path above the area of interest, and capturing, within selected intervals along the survey path and using the dual-scan scanning camera, subsets of the multi-view set of images of the area of interest along pairs of opposed non-linear scan paths.

3D panoramic camera with built-in stabilizer

The present invention discloses a 3D panoramic camera with a built-in stabilizer, and relates to a panoramic camera. At present, a VR panoramic camera has the disadvantages of great difficulty in later-stage quilting, huge volume and unstable image. The present invention comprises an optical information acquisition sensing module and a stabilizer module, wherein the optical information acquisition sensing module comprises a lens mounting base and a plurality of lenses, the lens mounting base is cylindrical, the lenses are circumferentially and uniformly provided on an outer side of the lens mounting base, an inner chamber of the lens mounting base is a motor holding chamber, and the stabilizer module comprises a first motor, a second motor, a third motor and a stabilizer frame body, the second motor and the third motor are provided in the motor holding chamber within the lens mounting base, the first motor is located below the lens mounting base, and the first motor, the second motor and the third motor are connected with the lens mounting base through the stabilizer frame body to realize motion transmission. In this technical solution, the stabilizer is built-in, the volume is small, the workload of post-production is decreased and the difficulty in post-production is reduced.

Gimbal control method, gimbal control system and gimbal device

A gimbal control method, a gimbal control system and a gimbal device are provided. The method includes steps of: obtaining simulation position information, measurement position information and simulation angular velocity information of a Pitch axis of a gimbal in real-time; calculating a first position error between the simulation position information of the Pitch axis and the measurement position information of the Pitch axis; processing the first position error with proportional-derivative calculation, wherein the first position error is compensated with the simulation angular velocity information during the proportional-derivative calculation; and, according to a result of the proportional-derivative calculation after compensating, generating a first torque control instruction for controlling a torque of a Pitch axis motor, so as to enable the Pitch axis to reach a position corresponding to the simulation position information of the Pitch axis. According to the present invention, a brush motor is adopted.