375results about How to "Wide field of vision" patented technology

An electrochromic device is disclosed having a selective ion transport layer which separates an electrochemically active material from an electrolyte containing a redox active material. The devices are particularly useful as large area architectural and automotive glazings due to there reduced back reaction.

To provide a semiconductor device in which a layer to be peeled is attached to a base having a curved surface, and a method of manufacturing the same, and more particularly, a display having a curved surface, and more specifically a light-emitting device having a light emitting element attached to a base with a curved surface. A layer to be peeled, which contains a light emitting element furnished to a substrate using a laminate of a first material layer which is a metallic layer or nitride layer, and a second material layer which is an oxide layer, is transferred onto a film, and then the film and the layer to be peeled are curved, to thereby produce a display having a curved surface.

Several systems and a method are taught for rapid modulation of a light beam in lidar and other imaging. Most of these involve micromechanical and other very small control components. One such unit is a light-switching fabric, based on displacement of liquid in a tube that crosses a junction of two optical waveguides. In some forms, the fabric is preferably flexible to enable folding or coiling to form a two-dimensional face that interacts with optical-fiber ends an opposed fiber bundle. The rapid operation of the switch fabric enables it to be used as a beam-splitter, separating incoming and return beams; and also to form pulses from supplied CW light. Other control components include micromechanical mirrors (e. g. MEMS mirrors) operated in arrays or singly, liquid-crystal devices, and other controlled-birefringence cells. Some of these devices are placed within an optical system for directional light-beam steering.

A head-mounted display device captures an image of a real space as an external video through a circular fish-eye lens. A main image is extracted from a central portion of the external video, and a left image, a right image, an upper image, and a lower image are extracted as sub-images from the periphery of the external video. The distortion of a wide-angle lens is corrected in the main image, and the main image is displayed at the center. Each sub-image is displayed around the main image.

The invention relates to the technical field of radio fix radars, in particular to a millimetre wave time-division linear frequency modulation multi-object detection automobile anti-collision radar. The radar of the invention adopts full phase parameter receiving / emitting benchmark signal and time-division and time-sequence asynchronous control to receive / emit a dual-purpose quasi-light integrated medium lens antenna array, and scans the objects possible to be collided on the warning road surfaces by DSP according to lane scanning wave beam; the road situation photographing combined with the vehicle speed and GPS data MCU to control time-division n-passage modulation frequency and waveform millimetre wave linear locking phase frequency modulation; emission is carried out sequentially by R / T2, a circulator, a wave beam switch and the antenna array; echo passes through the antenna array, the wave beam switch, the circulator, the R / T1, low noise high amplifier, subharmonic mixing, middle amplifier and a time-dividing circuit and multi-object signal corresponding matching filter wave and is processed and controlled by MCU at DSP; when a plurality of road barriers are encountered, the orientation, distance and relative speed are determined by DSP restriction virtual warning; three-dimensional images are displayed by a CRT; the closer the distance of the object is, the higher the resolution is; the object which is closest to the vehicle is recognised; sound and light alarm are carried out when the distance is less than safety distance; when the distance is near to the dangerous distance, the vehicle can intelligently avoid the barrier or reduce the speed or brake; the radar of the invention can make a choice according to the control reference road situation, the vehicle speed and the GPS data, thus obviously improving the driving safety of the vehicle.

An HMD includes left and right camera units which have wide-angle lenses, capture the image of a real space, and capture a left viewpoint image and a right viewpoint image. A main image is extracted from a central portion of each viewpoint image, and a left sub-image and a right sub-image are extracted from a peripheral portion of each viewpoint image. The distortion of the wide-angle lens in each main image is corrected, and the corrected main images are displayed in front of the left and right eyes as a stereo image. The left sub-image and the right sub-image are displayed on the left and right sides of the main image without being corrected.

An image capture and display system comprises an image capture array positioned on a vehicle, the image capture array comprising a plurality of image sensing members. At least one transmitter is provided for transmitting images from the image sensing members. The system also includes a monitor display array positioned remotely from the image capture array. The monitor display array comprises a display monitor for and corresponding to each image sensing member, and a receiver for receiving the images corresponding to each transmitter.

Several systems and a method are taught for rapid modulation of a light beam in lidar and other imaging. Most of these involve micromechanical and other very small control components. One such unit is a light-switching fabric, based on displacement of liquid in a tube that crosses a junction of two optical waveguides. In some forms, the fabric is preferably flexible to enable folding or coiling to form a two-dimensional face that interacts with optical-fiber ends an opposed fiber bundle. The rapid operation of the switch fabric enables it to be used as a beam-splitter, separating incoming and return beams; and also to form pulses from supplied CW light. Other control components include micromechanical mirrors (e. g. MEMS mirrors) operated in arrays or singly, liquid-crystal devices, and other controlled-birefringence cells. Some of these devices are placed within an optical system for directional light-beam steering.

A method for fitting an actual predetermined glasses frame, selected by a given wearer, for use thereof by the wearer, includes the following steps: the head of the wearer is at least partially modelled, in at least one reference system, with at least one model of part of the nose and one model of part of the ears; simulating the positioning of the frame on the head of the wearer is carried out, in the model of the head of the wearer, by placing the corresponding areas of the frame, or a model of the latter, one over the other; and on the basis of placing these one over the other, the necessary change in shape of the actual predetermined frame is determined in order to achieve a fitting of the frame on the head of the wearer in accordance with at least one predetermined fitting criterion.

An active matrix type liquid-crystal display device of IPS mode has its aperture ratio enhanced, thereby to realize an image display which has a wide angle of vision and which is clear and bright. A pixel portion (in FIG. 2) in the liquid-crystal display device comprises a TFT (115) which includes a semiconductor film formed over a substrate, and gate electrodes formed on a first insulating layer, a gate wiring line (104) which is formed on the first insulating layer, a common wiring line (113) which crosses the gate wiring line (104) through a second insulating layer, a pixel electrode (112) which is formed on the second insulating layer and which is connected with the TFT (115) of the pixel portion, a signal wiring line (106) which is formed so as to underlie the common wiring line (113) through the second insulating layer, and a connecting electrode (111) which is formed on the second insulating layer. The pixel electrode (112) and the common wiring line (113) are arranged so as to generate an electric field parallel to the plane of the substrate, and the signal wiring line (106) and the semiconductor film are connected through the connecting electrode (111).

An image capture and display system comprises an image capture array positioned on a vehicle, the image capture array comprising a plurality of image sensing members. At least one transmitter is provided for transmitting images from the image sensing members. The system also includes a monitor display array positioned remotely from the image capture array. The monitor display array comprises a display monitor for and corresponding to each image sensing member, and a receiver for receiving the images corresponding to each transmitter.

An image with a wide visual field can be captured without causing deterioration in measurement accuracy. There are provided: a stage on which an object is placed; a display unit for displaying a height image or an observation image; a measurement unit for performing measurement on the height image; an image connecting unit configured to, by moving the stage and capturing a different region, acquire a plurality of height images, and connect the obtained plurality of height images and observation images to generate a connected image; a measurement error region display unit configured to superimpose and display a measurement error region, on an image of the object; and a measurement-image imaging condition setting unit for adjusting an imaging condition for a striped image required for generation of the height image to reduce the measurement error region.

The invention discloses an overhead rail type firefighting inspection robot system. The overhead rail type firefighting inspection robot system comprises an overhead rail part, overhead rail type firefighting inspection robots, fire extinction equipment, a position identification block, a charging position, a remote control center and wireless signal transmission equipment. Each overhead rail type firefighting inspection robot comprises a traveling part, a lifting vision device, a position detection device, a detector, a fire extinction control device and a control and communication device. The robots move on a rail of the overhead rail part. The position detection devices conduct positioning by identifying the position identification block. The robots can be charged at the charging position. The fire extinction control devices operate the fire extinction equipment. The control and communication devices achieve communication of the robots and the remote control center through the wireless signal transmission equipment. The robots of the overhead rail type firefighting inspection robot system can conduct inspection detection along the rail, find out equipment failures and potential safety hazards and can conduct fire extinction operation in time.

An object is to provide an artificial vision system ensuring a wide field of view without damaging a retina. In the artificial vision system, a plurality of electrodes (23) are to be implanted so as to stick in an optic papilla of an eye of a patient. A signal for stimulation pulse is generated based on an image captured by an image pick up device (11) to be disposed outside a body of the patient. The electrical stimulation signals outputted from the electrodes (23) based on the signals for stimulation pulse stimulate an optic nerve of the eye, thereby enabling the patient to visually recognize the image from the image pickup device (11).

The invention discloses a simultaneous positioning and mixed map construction method for a dynamic parking environment. By introducing environmental semantic information for data association, a dynamic target in a feature point map for realizing positioning is removed, and meanwhile, static state semantic information such as parking spots is introduced during the positioning, so that the positioning precision in the dynamic environment is improved; a full-view stereoscopic vision platform is taken as a unique environmental perception source of the system and is combined with the advantages offull-view cameras and vision, so that the environmentally accurate dimension information is realized; meanwhile, the view is wide, and the standing time of feature points in the map is long, so that the positioning precision can be increased; and the semantic information such as the parking spots can be fused with a topologic road network structure in the environment, so that the route planning efficiency can be effectively improved, and the instantaneity of an autonomous parking system is further improved.

The apparatus comprises; a vision sensor and a MPU. The vision sensor is mounted on a lighting mechanism; the output of the vision sensor is connected to the cable used for transmitting video data under water; the cable is connected to the MPU; said MPU is connected to the display device. The MPU comprises a video data reading module, a video data saving module, and a video data output module; the vision sensor is an omnirange vision sensor, and comprises: a reflector, a transparent housing and a camera unit; said reflect is a hyperbolic mirror; on the center point of the hyperbolic mirror, a compass used for indicating the camera shooting direction under water; the hyperbolic mirror, the axle of the compass, the camera, and the transparent housing all are in same central axis. The MPU also comprises: an azimuth angle direction determining module and a image spread processing module.

The invention discloses an intelligent guide system of a vehicle-mounted flight-accompanying unmanned plane. The system comprises an unmanned plane and a master vehicle. An intelligent processor and an image memory are in communication connection. A detection head and a camera are connected with the intelligent processor. The intelligent processor and a secondary wireless transmitter are in communication connection. A primary wireless transmitter and the secondary wireless transmitter are in wireless connection. A microprocessor and the primary wireless transmitter are in communication connection. The microprocessor is connected with a touch display screen. The touch display screen controls the microprocessor. The aerially photographed image of the unmanned plane is wide in visual field and strong in mobility. A parking lot empty parking space detection method, based on the low-altitude aerially photographed image of the unmanned plane, is wide in detection range and fast in updating speed. Meanwhile, the entire system can intelligently detect parking spaces based on multiple techniques. Based on the system, empty parking spaces can be effectively detected, so that the difficult parking problem is solved.

The invention discloses an outdoor parking lot non-occupied parking stall identification method based on aerial photography images. The identification method includes the steps of template extraction based on an ROI area; parking stall identification based on template matching; parking stall structural determination based on the identified non-occupied parking stall spatial distribution; and dimension adjustment of the parking stall template based on the aerial photography height. The unmanned plane aerial photography images have the advantages of wide visual field and high mobility. With respect to a non-occupied parking stall detection method, unmanned planes fly over a plurality of parking lots in a short time to obtain multi-area non-occupied parking stall information, so that the parking lot non-occupied parking stall detection method based on unmanned plane low-altitude aerial photography images has the advantages of wide detection scope and fast updating speed.

The light diffusing plate includes a lens substrate, a plurality of microlenses disposed on a surface of the lens substrate, a plurality of light exit areas, each having a circular or rectangular form a center of which is coincident with an optical axis of the microlens, and a light shield layer formed on another surface of the lens substrate, and covering other area than the light exit areas. When n and t are a refractive index and a thickness of the lens substrate, respectively, and C (R; diameter, A, B; sides of rectangle) is a size of light exit area, a size of the microlens Sr satisfies the following formula in the light diffusing plate: Sr≧2t×tan θ+C (with the proviso that θ=sin−1(1 / n)). Or, a form of the microlens in the light diffusing plate is a part of an ellipsoid shown in the following formula X2 / a2+y2 / a2+z2 / c2=1 (x and y represent axis on the surface of the lens substrate, z represents the optical axis), it's eccentricity ε is shown in the following formula ε=(c2−a2)1 / 2 / c=1 / n and it's far focal point is coincident with a position of the light exit area. The liquid crystal display apparatus and the rear projection apparatus use the light diffusing plate.

The invention discloses a multifunctional detachable yacht of diving and sightseeing. A lower part of the yacht on water is provided with a rise-and-fall underwater sightseeing cabin; both ends of the underwater sightseeing cabin are provided with air circulation tubes; the middle of the air circulation tubes are provided with a rise-and-fall elevator; the circumference of the underwater sightseeing cabin is provided with a meshy diving chamber which is integrated into a whole with the underwater sightseeing cabin via a rise-and-fall positioning rod; a center on the bottom of the yacht on water is provided with a flute; the underwater sightseeing cabin is hung on a yacht lifting device; when a preset limitation is reached, the underwater sightseeing cabin and the meshy diving chamber are reset synchronously inside the flute. The invention solves the complication of the underwater sightseeing facility and the uncertainty of the safety terminal technique and gets rid of the dependency on high required technical facilities. The simple and scientific structure design guarantees safety and is easy for management and control. The multifunctional detachable yacht of diving and sightseeing has the advantages of low manufacture and operating cost and safe and comfortable riding.

The invention provides a vehicle license plate recognition-based multi-lane vehicle distance recognition method and a vehicle license plate recognition-based multi-lane vehicle distance recognition device and belongs to the intelligence assisted driving / vehicle-mounted information detecting field. According to the vehicle license plate recognition-based multi-lane vehicle distance recognition method and the vehicle license plate recognition-based multi-lane vehicle distance recognition device, a binocular camera is adopted to acquire the image information of a plurality of lanes ahead in real time; according to a characteristic that the RGB information of pixels on a vertical splicing line of a left image and a right image is consistent, and with the preset coordinate point of the installed device is used in a default manner, a multi-lane panoramic image is obtained. In an image recognition process, a plurality of classic digital image processing algorithms dominated by HOUGH transform are used to calibrate lane lines and license plates; and based on the positions of different license plates and the sizes of pixels in the panoramic image, and according to a similarity principle and a digital imaging principle, multi-lane horizontal and vertical vehicle distances are automatically calculated, and calculation results are displayed on a screen according to the settings of a user. The method and device can be applied to intelligent traffic fields such assisted safety lane changing, active collision avoidance and ACC adaptive cruise.

A river water quality monitoring method based on a high-resolution remote sensing satellite comprises the following steps: the high-resolution remote sensing satellite acquires a high-resolution remote sensing image a of a river to be monitored from a ground station, and transfers the digital topographic map of the region of the river to be monitored; a preprocessing module preprocesses the high-resolution remote sensing image a to obtain n high-resolution remote sensing images c of the image capable of displaying the complete river to be monitored at different wavebands; a controller performsregression analysis on the actual mass concentration of each reference position point and the reflectivity of each reference position on the high-resolution remote sensing images c to obtain a corresponding regression equation, and establishes a relationship function between the actual mass concentration of every reference position point and the reflectivity at every reference position on every high-resolution remote sensing image c based on the regression equation with a smallest dispersion degree; and the controller calculates the reflectivity of a monitoring point on each of the n high-resolution remote sensing images c, and calculates the water quality parameter mass concentration at the monitoring point according to the relationship function.

The invention provides an automatic driving target detection system and method based on deep learning and binocular camera shooting. The problems of poor target detection accuracy and poor object positioning accuracy in existing automatic driving are mainly solved. Complex road conditions cannot be dealt with. The implementation scheme is as follows: the method comprises the following steps: 1, implementing; the binocular camera is used for collecting images and carrying point cloud information. The signals are transmitted to an image processing module through a data line for real-time detection; and the image processing module is a detection module constructed after training data by using a deep neural network, the image processing module processes the acquired images to realize positioning, recognition and classification, and finally, the result output module splices classification results into a video and outputs the video to complete detection of road conditions in automatic driving. The method improves the target recognition precision, solves a problem that automatic driving cannot adapt to complex road conditions, and can be used for an automatic driving and driving active safety system.

A system, apparatus and method to automatically move a side mounted mirror on a vehicle from an inward position to an outward position in response to a signal from a detector indicative of an object outside an operator normal field of vision. The detector may be a blind spot detection system or a lane departure system, or any other system to detect vehicles in a blind spot. The system, apparatus and method further includes permitting an operator to manually actuate the movement of mirror on a vehicle to determine whether there are any objects in the operator's normal field of vision. The systems and method may optionally include hysteresis during mirror movement.

An optical lens comprises: a first lens having a negative focal power; a second lens; a third lens; a fourth lens; a fifth lens, wherein the fourth lens and the fifth lens forms an achromatic lens group; and a sixth lens, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are sequentially disposed along a direction from an object side to an image side, wherein the first lens has at least one object surface facing the object side, and the object surface of the first lens is convex, and wherein the second lens has at least one image surface facing the image side, and the image surface of the second lens is convex so as to facilitate forming a concentric circle structure.

The invention discloses a three-dimensional panoramic colour video laryngendoscope, comprising a handle and a scope body, wherein the top of the handle is connected with the rear part of the scope body. The three-dimensional panoramic colour video laryngendoscope is characterized in that an image pickup system is arranged at the front end of the scope body, three micro-camera modules are adopted in the image pickup system, and are equidistantly arranged on an arc-shaped surface at the front end of the scope body, an field angle of each micro-camera is 55 degrees, and the field angles of the three micro-cameras form a field angle of 165 degrees. The three-dimensional panoramic colour video laryngendoscope adopts a 165-degree three-dimensional panoramic full-field structure design with three camera modules, is great in field angle, and wide and full in visual field, displays three-dimensional panoramic anatomical structures of throat and glottis in real time, can accurately display glottis and fast complete endotracheal intubation during operation, and is convenient for anesthetization and first aid.

An image with a wide visual field can be captured without causing deterioration in measurement accuracy. There are provided: a stage on which an object is placed; a display unit for displaying a height image or an observation image; a measurement unit for performing measurement on the height image; an image connecting unit configured to, by moving the stage and capturing a different region, acquire a plurality of height images, and connect the obtained plurality of height images and observation images to generate a connected image; a measurement error region display unit configured to superimpose and display a measurement error region, on an image of the object; and a measurement-image imaging condition setting unit for adjusting an imaging condition for a striped image required for generation of the height image to reduce the measurement error region.