46results about How to "Wide viewing range" patented technology

The invention, which belongs to the technical field of the video image, discloses an infrared-panorama-pick-up-head-based abnormal behavior identification method of elderly people living alone. The method comprises: step one, an infrared panorama pick-up head is used for carrying out infrared shooting, thereby obtaining a video image signal; step two, an infrared panoramic picture is unfolded by using a fast approximate unfolding method; step three, an indoor grid semantic map in a home environment is constructed; step four, on the basis of an improved hybrid Gaussian model algorithm, modeling of a human body target is carried out, a target block mass is identifier, block mass information is obtained, the target block mass is tracked in real time, and a human body track feature is obtained; step five, a human body moving track is extracted by using a hybrid Gaussian clustering method; step six, the human body track is segmented; and step seven, a convolutional neural network is trained by using the track after human body motion segmentation in the home environment as a training sample, feature extraction is carried out on a human body behavior track in the home environment, and classification is carried out by using evidence reasoning; and if an abnormal situation occurs, alarming is carried out.

The invention relates to a wide-angle lens and a camera; the lens comprises a former group with the negative optical power, a latter group with the positive optical power and an optical filter, wherein the former group comprises a first concave lens and a second concave lens; the latter group comprises a first convex lens, a second convex lens and a third convex lens which are arranged in sequence from an object space to an image space; and the optical filter is arranged at the back of the third convex. The invention also provides the camera based on the wide-angle lens; the wide-angle lens adopts the fewer lenses and achieves the greater viewing field angle according to the arrangement of all the lenses and reduces the manufacturing cost thereof. The wide-angle lens has simple structure, reduces the production difficulty thereof and low manufacture cost; the optical overall length of the wide-angle lens is less than 28mm; the height of the module of the wide-angle lens can be designed to be shorter so that the wide-angle lens can be used as vehicle-mounted wide-angle lens, monitoring lens and the like to be used and better meets the smallness and skillfulness of the camera; and the full viewing field of the wide-angle lens reaches 200 degrees, which can meet the wider view finding range.

The invention relates to the technical field of glass processing and in particular provides golden low-emissivity coated glass and a manufacturing method thereof. The coated glass has a simple film structure, is easy to produce in large scale, is good in coloration and has an obvious energy-saving effect. The coated glass is characterized in that the following films are deposited on the surface of a glass substrate in sequence: a silicon nitride buffer layer film, a nichrome induction layer film, a golden function layer film, the nichrome induction layer film and a ZnO:Al protective layer film. The golden low-emissivity coated glass provided by the invention has higher reflectivity in middle and far infrared waves, has better shading performance in visible light bands and has the obvious advantages of low emissivity, sunshading, beauty, pure color and the like compared with the prior art, and meanwhile the color of reflection of the coated glass is golden in wider ranges of view angles.

The invention relates to a laser projection display technique, and provides a head-up display system based on a laser light source. The head-up display system comprises a laser light source component, a light source control unit, a light intensity sensor, a display chip, a display chip control unit, a system control unit and a transparent screen, wherein the transparent screen is made of a transparent medium doped with at least three nano grains of different particle sizes; the nano grain of each particle size has a fixed resonance rayleigh scattering wavelength; the wavelengths correspond to the lighting wavelengths of the laser light source one to one; each kind of laser can form resonance rayleigh scattering on the screen, so as to form practical images. The head-up display system has the characteristics of wide visible range, simple optical design, vivid color and the like, the optical energy utilization rate of the light source is high.

The invention relates to an automobile blind spot observer, which is characterized in that it comprises a car left camera, a car right camera, a rear box camera, a four-digit picture processor and a TV display; the TV display is arranged on the driver's It is easy to observe the right front side, the left side camera of the car, and the left and right reflector mounts installed by the right side camera of the car; the rear box position camera is installed at the rear of the car; the audio and video signal lines of each camera are electrically connected to four The input terminal of the four-digit image processor; the TV display is electrically connected to the output end of the four-digit image processor; the vehicle blind spot observer has a simple structure and is easy to process; the visual range is wide and the blind spot is reduced; the driver can clearly see the car through the screen display The situation on both sides can be judged in time; the infrared camera can be used to clearly display the driving at night; the rear of the car can be monitored to increase driving safety.

The invention discloses a glass touch screen machining machine tool and belongs to the technical field of numerical control machine tools. The glass touch screen machining machine tool comprises a calender base, a main shaft assembly and a protective cover. The calender base is provided with a workbench top. The main shaft assembly is arranged on the workbench top and at least comprises two main shafts. The workbench top and the main shaft assembly are surrounded by the protective cover. The protective cover is provided with a sliding door capable of sliding up and down relative to the protective cover. By means of the glass touch screen machining machine tool, multiple glass screens can be machined at the same time, machining efficiency is high, and the appearance is small, exquisite and attractive.

The invention provides a remote transmission system and method of holographic images. A middle region where an important object is located is separated from a scene to be imaged and a holographic image of the middle region is independently generated, and a non-holographic imaging manner capable of saving data volume relatively is adopted for a background and a peripheral part in the scene to be imaged; then, the remote transmission system performs necessary data volume reduction processing for the holographic image generation process; and finally, the mixed data of holographic and non-holographic images is transmitted remotely. In a reproduction process, the mixed data received remotely through a communication network is recovered to the holographic and non-holographic images, respectively, and the holographic and non-holographic images are synthesized for display.

The invention relates to a method for producing sky advertisement, wherein said method uses aircraft as carrier, to adhere advertisement on its surface to form sky advertisement; said aircraft comprises plane, airship, etc; and the content of sky advertisement can be word, pattern, mark in public benefit or non public benefit, commerce or non commerce object. The invention has movable property, wide view field, and large capacity, with wide application.

The invention relates to the technical field of shipbuilding, and particularly discloses a sightseeing cabin mounting and connecting structure, a sightseeing cabin applying the sightseeing cabin mounting and connecting structure and a sightseeing boat. The sightseeing cabin comprises a full-transparent sightseeing cabin body, a sightseeing cabin mounting and connecting structure used for mountingthe sightseeing cabin and a floating body for loading the sightseeing cabin, wherein an upper mounting frame and a lower mounting frame on the connecting and mounting structure are matched with each other to annularly wrap and fix the transparent sightseeing cabin-shaped cabin body, and the cabin body of the sightseeing cabin is fixedly mounted on the floating body to form a semi-submersible typesightseeing boat for underwater sightseeing, so that the maximum sightseeing view can be obtained while safe, rapid and effective mounting and connection of the sightseeing cabin are achieved.

The invention relates to a portable digital microscopy device, which is connected with a computer host. The rear part of the microscopy device is provided with a USB (universal serial bus) interface and is connected with the computer host through a data line, a signal processing module is arranged in the computer host, the microscopy device is used for collecting image information and transmitting the image information to the signal processing module in the computer host, and the processed image information is displayed on a computer display. Compared with the prior art, images can be directly formed on the screen of a computer or a television, the viewing area is larger, multimedia presentation can be carried out for multiple people, no lens exchange is needed, the multiplying factor can be changed through adjusting the focal length, the operation can be facilitated, and the functions of shooting, dynamic recording, timed recording and the like can be achieved. By adopting the super-resolution video processing technology, good picture or image effects can be achieved, and the portable digital microscopy device is light and small and can be carried in a pocket or a laptop bag.

The invention discloses a holographic fan combined display screen. The holographic cooling system comprises a plurality of holographic fans (100), the holographic fans (100) are arranged in a rectangular array mode. The holographic fan includes: a fan blade assembly (1), a control mechanism (2) and a supporting assembly (3). The control mechanism (2) is fixed on the supporting assembly (3); wherein the fan blade assembly (1) is rotatably arranged on the control mechanism (2); the fan blade assembly (1) comprises a plurality of blades (12) arranged in a 360-degree circumferential array mode. The difference of the rotating angles of the blades (12) of every two adjacent holographic fans (100) is 1/2 of the included angle theta of the blades, and the horizontal center distance between every two adjacent holographic fans (100) is larger than the length of the corresponding blade (12) and smaller than two times of the length of the corresponding blade (12). According to the holographic fancombined display screen, the effect of combined display of multiple holographic fans can be achieved, the visual range is wide, the watching distance is long, and the ox horn phenomenon can be avoided.

The invention discloses a universal light and color lamp strip system which comprises an image sensor and an FIFO buffer. The image sensor transmits image information to an image processing and color recognition module through the FIFO buffer, and the image processing and color recognition module transmits the processed information to an MCU; the MCU controls LED lamp strips and a wireless transmission module; and a power supply module supplies power to the image sensor, the image processing and color recognition module, the MCU, the wireless transmission module and the LED lamp strips. The invention aims to provide the universal light and color lamp strip system which has a display effect matched with that of a display screen and can achieve a good visual viewing effect.

The embodiment of the invention discloses a large-aperture ultra-large wide-angle monitoring camera module. The large-aperture ultra-large wide-angle monitoring camera module sequentially comprises afirst lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object plane to an image plane along an optical axis, the object plane side of the first lens is a convexsurface, the image plane side of the first lens is a concave surface, and the focal power is negative; the object plane side of the second lens is a concave surface, the image plane side of the secondlens is a convex surface, and the focal power of the second lens is positive; the object plane side of the third lens is a convex surface, the image plane side of the third lens is a convex surface,and the focal power of the third lens is positive; the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a concave surface, and the focal power is negative; the image surface side of the fifth lens is a convex surface, the image surface side of the fifth lens is a convex surface, and the focal power of the fifth lens is positive; the object planeside of the sixth lens is a convex surface, the image plane side of the sixth lens is a concave surface, and the focal power of the sixth lens is positive. The optical system is mainly composed of the six lenses, and is reasonable in lens number, simple in structure, small in size, light in weight and low in cost.