31results about How to "With auto focus function" patented technology

The invention discloses an invasion detecting alarming system based on multi-camera data combination and a detecting method thereof, and belongs to the technical field of video monitoring. The system comprises a common camera, a cloud camera, a zooming wide-angle multi-target tracking system, a PC type hard disk recorder, a control system, a display, a multi-stage alarming processing module and an invader recognizing and treating module. According to the system, an area to be monitored is completely covered with a plurality of cameras; the shot video signals can be digitized and compressed and then transmitted to the control system to recognize an invader and respond to the corresponding alarming level. The system is applicable to scenes or channels with high requirement on safety production, such as a factory area, a tunnel, a warehouse and an airport; the system can perform monitoring and alarming at different conditions.

The invention discloses a pneumatic type vertical lift remote monitoring system for a crop image. The remote monitoring system comprises three parts including a pneumatic type lifting rod, a cradle head camera and an Internet of Things remote control system. The Internet of Things remote control system comprises a lifting rod state remote control module and a crop imaging remote control module. The lifting rod is arranged in a proper position in the field, the cradle head camera is fixed at a camera saddle at the top end of the lifting rod, and height adjustment of the lifting rod and camera imaging are both completed by the remote control system. The remote monitoring system has the advantages that the structure is simple, the height of the lifting rod and the shooting angle of the camera can be remotely and automatically adjusted, the crop shooting can be carried out from different lateral surfaces and orientations, the crop imaging from different lateral surfaces can be obtained, and the remote monitoring system is convenient for a user to master the crop growth situation more accurately and for a crop specialist to carry out remote diagnosis. Through the Internet of Things remote control system, the remote monitoring system supports snapshot and uploading of a field image and can utilize information, such as crop growth, color and texture, from the image.

A camera module has a lens section (10) including at least one lens (11), an imaging element (4) having a light receiving surface substantially perpendicular to the optical axis direction of the lens (11), a fixed section (30) provided on the outer periphery side of the lens section (10), a first elastic body (41a) provided on the opposite side of the imaging element (4) relative to the lens (11) and connecting the lens section (10) and the fixed section (30), and a second elastic body (41b) provided on the imaging element (4) side relative to the lens (11) and connecting the lens section (10) and the fixed section (30). The first elastic body (41a) and the second elastic body (41b) have the same shape, the first elastic body (41a) and the second elastic body (41b) are arranged so as to be opposed to each other with their center axes aligned, and the second elastic body (41b) is placed such that its shape is different from that shape of the first elastic body (41a) which is projected in the optical axis direction of the lens (11).

The invention relates to a lens module with automatic focus function and digital camera. The lens module comprises a drawtube, a focusing lens system set in the drawtube, at least one actuator mechanical linking with the focusing lens system. Wherein, the at least one actuator comprises at least one electric conduction polymer film with electrostrictive effect, one guide post and two springs on the guide post. The focusing lens system is in slip connection with the guide post and the two springs are set on both sides of the focusing lens system to give two acting force to the focusing lens system in opposite direction. The at least one electric conduction polymer film with electrostrictive effect is equipped on the guide post and between the two springs, the shape of which is changeable after being electrified to drive the focusing lens system move along the direction of the axis. The lens module and the camera is characterized by small volume, light weight and low energy consumption, which can be used in portable electronic equipments like cellphone.

The invention relates to a diagnostic device and particularly discloses a diagnostic device for scanning the irises of eyes. The diagnostic device comprises a mainframe, a hand-held reader and a display; the diagnostic device is provided with a demountable lens, an above-1.3 megapixel CCD (charge-coupled device), an LED lamp and a storage module which can conveniently shoot sharp images; the shot images can be saved as the computer general image formats, such as JPG, BMP and the like; and then, the results can be automatically analyzed by the computer image comparison technology, particularly, pits, gaps, color spots, lines, density and color variation can be judged from the iris images to obtain the diagnosis result reflecting the change in health conditions. The automatic iris diagnostic device has the advantages that the application is convenient, the collected iris images are sharp, the information is accurate and all-around, the structure is simple, the cost is low, the images can be saved and amplified, and the results can be easily analyzed and judged.

The invention relates to a projection device with an automatic focusing function and an automatic focusing method thereof. The steps are as follows: imaging an image which is projected on a screen by a first imaging lens by utilizing a second imaging lens on an image sensing unit; moving the second imaging lens, stating the image sensing unit to capture an image produced by the second imaging lens each time after the second imaging lens is moved, and calculating the definitions of the captured image; and comparing the definitions and obtain a largest value of all, and the position of the second imaging lens which corresponds to the largest value is a focusing position of the second imaging lens. Sequentially, moving the first imaging lens, each time after the first imaging lens is moved, capturing an image produced by the second imaging lens and calculating the definitions of the images; comparing the definitions of the images so as to obtain the largest value of all, and the positionof the first imaging lens which corresponds to the largest value is a focusing position of the first imaging lens.

The invention relates to a camera module which comprises a circuit wafer, an image sensor and a lens module. The lens module comprises a first optical lens and an actuator; wherein, the actuator comprises a fixing part and a movement part; the movement part is provided with a through hole in which the first optical lens is embedded. The fixing part, the movement part and the image sensor are connected electrically. Rays transmits the lens module and is imagined on the image sensor. When the camera module electrifies the circuit wafer, the actuator drives the first optical lens which is embedded in the movement part to move along the central shaft of the camera module to carry out automatic focusing, thus realizing the function of being used on a portable electronic device and automatic focusing.

The invention relates to a logic circuit for zero-relay extraction of image sharpness information in an assembly line mode and an extraction method. A field programmable gate array (FPGA) is adopted as a hardware implementation platform for image processing, and the logic circuit is divided into five parts, namely a pixel coordinate analysis logic circuit, a pixel value line buffer logic circuit,an image sharpness operation trigger logic circuit, a pixel-level sharpness calculation logic circuit and an image-level sharpness accumulation logic circuit. Time sequence signals superimposed on a high-definition video source are used, and a coordinate index value of an image pixel is reconstructed in real time for follow-up trigger control logic; through a multi-channel buffer queue mode, imagedata is grouped again, so that subsequent processing is streamlined. The logic circuit and the extraction method have the beneficial effects that the image sharpness information can be acquired by the airborne photoelectric detection system, and the airborne photoelectric detection system has a precondition of an automatic focusing function. The imaging quality, the intelligent level and the integration degree of visible light imaging components are improved.

The invention discloses a real-time fluorescence detecting device of a microreactor and an operating method thereof. The real-time fluorescence detecting device of the microreactor comprises a biochip, a displacement platform, an objective lens component, an objective lens focusing device, an optical filter component, a light source device, an imaging light path component, a detector and a computer. The microreactor is placed in the biochip. The optical filter component is installed below the objective lens focusing device. The detector is connected with the optical filter component through the imaging light path component. The computer is electrically connected with the displacement platform, the objective lens focusing device and the detector. The light source device comprises exciting light sources, a field diaphragm and a first beam combining lens. There are multiple exciting light sources. The first beam combining lens is used for combining a light source of each exciting light source and forming a unified light path. The field diaphragm is installed in the unified light path after beam combining. The provided real-time fluorescence detecting device of the microreactor is capable of realizing multi-channel, high-sensitivity, large-area and rapid real-time detection to the microreactor.

An imaging device in which an autofocus function can be performed without using brightness information is provided. In an imaging device according to one aspect, a density of points obtained by plotting two-dimensional point data of a plurality of event data (PD) as points on a plane (SH), the event data outputted from an imaging element (21) in a predetermined period in a state in which a focal point of a light receiving lens (22) is adjusted by an adjustment mechanism (23), is calculated as a point density. When the point density is calculated, a control unit (11) drives and controls the adjustment mechanism (23) based on comparison results between the point density currently calculated and the point density last calculated to thereby adjust the focal point toward the in-focus position. In another aspect, an imaging device having an autofocus function can be provided without using event data output from the imaging element.