245results about How to "Shoot accurately" patented technology

An aiming device includes a set of lenses disposed along an optical path, the set of lenses including an objective lens and an ocular lens. A reflective element is disposed on the optical path between the objective lens and the ocular lens. An addressable display is located off the optical path and projects an image to the reflective element. The image is viewable through the ocular lens and is an aiming element superimposed on a field of view.

An optical device includes a housing containing a plurality of lenses. At least one of those lenses includes a reticle. An optical device and a processor are also located in the housing. A wind speed sensor is mounted to the housing and configured to send a wind speed signal corresponding to a wind speed to the processor. The processor calculates a wind speed based at least in part on the wind speed signal, and wherein the processor sends an output signal corresponding to the calculated wind speed to the output device.

Paintball marker including a firing chamber having a barrel coupled to one end and a removable back plug coupled to an opposing end, a door surmounting a chamber loading hole disposed between back plug and barrel; a cam coupled to door; an actuator coupled to door cam; a pin valve interposed in a first gas path between a gas source and a passage leading to the chamber, and a trigger coupled to a second gas path between the gas source and actuator for opening the second gas path for actuating the actuator such that the door cam transforms motion of the actuator into pivoting motion of the door from an open position such that a paintball is loaded into the chamber to a closed position and then continuing to actuate the actuator to coact with the pin valve for opening the first gas path for firing the paintball.

In one embodiment is provided is an adjustable prism corner stand which can be adjusted relative to the position of a distance measuring device. In one embodiment the present invention allows a corner to be accurately shot by placing the prism on a bar having a ninety degree angle which fits over the outside corner being shot or the inside corner being shot.

The invention discloses a smart home old age support video monitoring abnormal behavior system and method, and belongs to the technical field of mode identification and computer vision. The monitoring system provided by the invention comprises a double-lens monitoring camera, a video processing node and a communication center. According to the system, the indoor activity condition can be monitored in real time through the double-lens monitoring camera; an abnormal behavior is processed through the video processing node; whether there is an abnormal behavior activity or not is detected by taking face expressions as auxiliary identification; and abnormal behavior alarm information is sent to a user through the communication center. According to the system and the method, the body activity state can be monitored in real time, and alarm is generated when there is the abnormal condition. The system and the method have the advantages of wide application range, high security and stable and reliable identification.

The invention provides a humanoid patrol operation method and system for a semantic intelligent substation robot. The robot humanoid patrol operation method for the semantic intelligent substation comprises the following steps: autonomously constructing a three-dimensional semantic map of an unknown substation environment; based on the three-dimensional semantic map, combining the inspection/operation task and the current position of the robot to autonomously plan the walking path of the robot; controlling the robot to move according to the planned walking path, and carrying out an inspection/operation task in the advancing process; in the process of carrying out the inspection/operation task, adjusting the pose of the mechanical arm carrying the inspection/operation tool in real time, sothat the image of the equipment to be inspected is automatically collected and recognized at the optimal angle or the operation task is automatically executed at the optimal angle, and the full-autonomous inspection/operation task of the transformer substation environment is completed.

The invention relates to a bridge anti-collision warning system which is mainly composed of an warning information processing center, upstream and downstream monitoring sites, and a piece of water level monitoring equipment. The warning information processing center comprises an AIS receiver, a data acquisition and processing server, an anti-collision warning information processing computer, a video monitoring computer, a data recording server, and a VHF radio station. The upstream and downstream monitoring sites are respectively arranged upstream and downstream of a bridge and in positions of the river bank which are 3-5km away from the bridge. Each monitoring site is provided with a monitoring camera and a cloud platform which can adjust the shooting angle. A target ship is identified by shooting ships with potential threat and dynamically tracking the geographical locations of the ships. The height of the ship is calculated after the background is removed. When the height of the ship reaches a warning height, secondary measurement is carried out manually. When the ship is determined as a threat ship, calling is carried out immediately through a VHF radio station or the maritime sector is notified.

The invention is applicable to the field of three-dimensional scanning technologies, and provides a three-dimensional scanning system and a three-dimensional scanning method. The three-dimensional scanning system comprises three-dimensional scanning equipment, control equipment and a rotary platform; the rotary platform is controlled by the control equipment to drive a to-be-scanned object to sequentially rotate by a circle according to a preset rotation angle; the three-dimensional scanning equipment is used for acquiring three-dimensional information of the to-be-scanned object under the control of the control equipment after the rotary platform forwardly rotates by the preset rotation angle in each procedure, so that a plurality of groups of three-dimensional scanned data can be acquired; the control equipment comprises a three-dimensional model acquisition unit and is used for sequentially registering and fusing the multiple groups of three-dimensional scanned data, so that a complete three-dimensional model of the to-be-scanned object is obtained. The three-dimensional scanning system and the three-dimensional scanning method have the advantages that artificial participation and artificial labeling registration auxiliary processing are omitted, so that the three-dimensional information of the object can be collected automatically, and the scanning efficiency and the registration accuracy are obviously improved as compared with an existing manual operation technology.

A camera control apparatus comprises a pupil detection module and a command generation module, wherein the pupil detection module is used for detecting a motion state of a pupil by using a gaze tracking technology, and according to the motion state of the pupil, determining whether to send a message of requesting for adjustment to the command generation module; and the command generation module is used for generating a corresponding adjustment command after receiving the message of requesting for adjustment, sent by the pupil detecting module. According to the camera control apparatus and method provided by the present application, a camera is adjusted by using the position of a human eye pupil, so that the experience is improved.

The invention discloses a machine vision detection method based on four-colour printed matter registration detection marks, comprising the following steps of: presetting graphs of the four-colour printed matter registration detection marks, and taking the circle centre of a black solid circular mark graph as a reference of the registration detection marks, wherein the circle centre of a yellow annular mark graph, the circle centre of a pinkish red annular mark graph, and the circle centre of a cyan annular mark graph are respectively as same as the circle centre of the black solid circular mark graph; acquiring images of preset graphs of the registration detection marks during a printing process; respectively obtaining coordinates of the circle centres of the registration detection marks in the images by a computer system; calculating registration deviation via the coordinates of the circle centres; comparing the squared value of the registration deviation with a deviation tolerance level; and finally, outputting a registration deviation result. The registration detection marks are simple in structure and small in occupied space, and camera can be convenient to rapidly and accurately shoot. According to the corresponding detection method, only deviation analysis does need to be performed via circle centre parameters, thus being high in detection efficiency, intuitive in result, and capable of realizing online detection for high-speed printed matters.

A method of making a projectile apparatus is provided that includes making one or components of the apparatus using an additive manufacture technique such as 3-D printing or laser-aided additive manufacture. The projectile apparatus can have a projectile, a propellant, and one or more optional components such as a wading, a sabot, and an intermediary device. The projectile can be fired through a barrel having a smooth bore. Additive manufacture methods can be used that involve forming components from superalloys having nanoparticles incorporated therein. The projectile apparatus can convert gas pressure or gas velocity into a high rate of projectile spin. The projectile has long-range accuracy due to a high or sustainable velocity and high rate of spin.

An electronically lighted bow sight is provided which may be attached to conventional bows. The bow sight includes a main body having a circular passageway in which are located multiple sight pins. The main body may be adjusted vertically and horizontally. The ends of the sight pins are illuminated by an archer turning a knob at the top of the main body of the bow sight. A battery powered LED illuminates a plurality of fiber optic elements extending down to the ends of the sight pins. The fiber optic elements are different colors to help the archer distinguish the sight pins.

A broadhead with expandable front pivot cutting blades has the cutting blades connected to the broadhead by low-friction rotary connections. The connections reduce frictional forces during outward rotation of the blades and permit locked blade deployment before the blades hit the target.

The invention discloses an on-machine vision detecting method of a rotating cutting tool and a detecting device thereof. The method comprises the following steps that a first camera is used for capturingan image of the front cutting face of the rotary cutting tool; the image is subjected to processing and analyzing to obtain position angles of cutting edges; a second camera is controlled to rotateto the lateral cutting face according to the angels and the axis of the second camera is vertical to the lateral cutting face, and then shooting is conducted; images of the lateral cutting faces of the cutting edges are obtained; the images of the front cutting face and the lateral cutting faces are subjected to vision analyzing to obtain the abrasion condition of the cutting tool. The detectingdevice comprises the first camera and the second camera perpendicular to each other and mounted at a bracket, and further comprises a rotating motor driving the bracket to rotate. A rotating shaft ofthe rotating motor is concentric with the axis of the first camera. On-machine detection can be achieved. Abrasion areas of the lateral faces of the cutting tool can be accurately shot, and detectingefficiency is improved.

An eye image pickup apparatus includes an image pickup unit, a guide mirror, a range sensor, and an infrared illuminating section. The image pickup unit includes an objective lens, an image pickup element such as a CCD, a shooting section and a light guide section as a basic configuration, and the image pickup unit shoots an image of an eye of a person. The guide mirror guides a subject to a shooting position. The range sensor measures the distance between the image pickup apparatus and the subject. The infrared illuminating section illuminates the subject. Rough guidance of the user is made using the guide mirror and fine alignment is made by using a guiding visible light obtained from the light guide section.

A digital camera (10a) is placed in any of three photographing modes labeled a “narrow mode”, a “normal mode”, and a “wide mode”. An operating point setter (903) variably sets an operating point of a CCD (26) defining a brightness range of a subject which falls within a dynamic range of an image sensor, based on a photographing mode as set. A LUT setter (902) variably sets a gradation correction LUT which is a concrete representation of gradation correction characteristics in gradation correction performed by a γ correction circuit (55) (characteristics in γ correction), based on the photographing mode as set. The operating point set by the operating point setter (903) and the gradation correction LUT set by the LUT setter (902) are changed in synchronism with each other in accordance with change in the photographing mode.