99 results about "Vision aid" patented technology

The present invention is a monocular computer vision technique. The technique is used to aid road vehicle driving for safety. An camera (e.g., camera or TV camera or camcorder) is installed in a vehicle facing to the road in front of the vehicle to capture a sequence of road / scene images for analyzing the driving situation. The situation includes the distance to a front obstacle or vehicle, the speed of the vehicle, and the left / right location of the vehicle in a road lane.

The present invention is a monocular computer vision technique. The technique is used to aid road vehicle driving for safety. An camera (e.g., camera or TV camera or camcorder) is installed in a vehicle facing to the road in front of the vehicle to capture a sequence of road / scene images for analyzing the driving situation. The situation includes the distance to a front obstacle or vehicle, the speed of the vehicle, and the left / right location of the vehicle in a road lane.

A system and method for efficiently locating in 3D an object of interest in a target scene using video information captured by a plurality of cameras. The system and method provide for multi-camera visual odometry wherein pose estimates are generated for each camera by all of the cameras in the multi-camera configuration. Furthermore, the system and method can locate and identify salient landmarks in the target scene using any of the cameras in the multi-camera configuration and compare the identified landmark against a database of previously identified landmarks. In addition, the system and method provide for the integration of video-based pose estimations with position measurement data captured by one or more secondary measurement sensors, such as, for example, Inertial Measurement Units (IMUs) and Global Positioning System (GPS) units.

A method and system for guiding a vehicle comprises a location determining receiver for collecting location data for the vehicle. A vision module collects vision data for the vehicle. A location quality estimator estimates the location quality data for the location data during an evaluation time window. A vision module estimates vision quality data for the vision data during the evaluation time window. A supervisor module selects at least one of a location data weight and a vision data weight based on the quality data.

A system and method related thereto, for automatically inspecting at least one tire of a moving vehicle. The system includes an image acquisition device including at least one camera. The camera acquires multiple real-time images of at least one tire of a moving vehicle. As the tire of the vehicle enters a field of view of the camera, the camera component is configured to photograph and transmit the multiple photographs of the at least one tire. A light source illuminates the at least one tire of the vehicle in the field of view of the camera, and the light application may be synchronous with the imaging performed by the camera. A computer image processing component receives the multiple images transmitted from the camera and analyzes the multiple images using a detection program. The computer imaging processing component analyzing the photographs and provides an inspection analysis of each at least one tire.

A system and method for efficiently locating in 3D an object of interest in a target scene using video information captured by a plurality of cameras. The system and method provide for multi-camera visual odometry wherein pose estimates are generated for each camera by all of the cameras in the multi-camera configuration. Furthermore, the system and method can locate and identify salient landmarks in the target scene using any of the cameras in the multi-camera configuration and compare the identified landmark against a database of previously identified landmarks. In addition, the system and method provide for the integration of video-based pose estimations with position measurement data captured by one or more secondary measurement sensors, such as, for example, Inertial Measurement Units (IMUs) and Global Positioning System (GPS) units.

A vehicular forward-vision display system includes a night-vision camera for scanning a nighttime image ahead of a vehicle and a head-up display for displaying the scanned nighttime image as a virtual image on a front windshield. Luminance of the displayed image is decreased with decreasing vehicle speed. The luminance of the nighttime image is thereby decreased under a low speed where vision aid is not so necessary. This decreasing of the luminance results in giving a driver relief from the bother of being caught by the scanned image displayed on the front windshield.

A dynamically corrected parallax system includes a head borne video source for imaging an object and providing video data. A controller electronically offsets the video data provided from the head borne video source to form offset video data. A display device receives the offset video data and displays the offset video data to a user's eye. The display device is configured for placement directly in front of the user's eye as a vision aid, and the head borne video source is configured for displacement to a side of the user's eye. The offset video data corrects parallax due to horizontal and / orvertical displacement between the display device and the head borne video source. The display device includes an X,Y array of respective columns and rows of pixels, and the offset video data includesan offset of a number of columns of pixels in the X direction of the X,Y array, and / or another offset of a number of rows of pixels in the Y direction of the X,Y array.

The invention is directed to a method for determining the individually required addition (Add) of a vision assist for an eye, the method having the following steps:a) a preliminary addition (Addpreliminary) is determined;b) the depth of field (T) of the eye is individually determined; and,c) the addition (Add) is computed according to the following equation: Add=Addpreliminary−ωT; wherein ω defines a real number which lies in the range 0<s≦1.The invention is further directed to a corresponding arrangement for carrying out the method as well as a computer program.

An image display device that provides stereo image display with the help of special glasses (i.e. a vision aid) and that allows a viewer looking at the screen without such a vision aid to view a less strange image, and a stereo image display system including such an image display device are provided. The image display device includes: a display module capable of displaying a left eye image (L) to be viewed via a left eye portion of the vision aid and a right eye image (R) to be viewed via a right eye portion of the vision aid, the left eye and right eye images being displayed separately in time and space; and an average brightness controller capable of regulating an average brightness of the left eye image and an average brightness of the right eye image displayed on the display module in one given frame such that these average brightnesses are different from each other.

The invention discloses an inertial positioning method and an inertial positioning system using vision-aided corrosion. The inertial positioning system comprises an inertial sensor, a positioning identifier, an image pickup module, an image processing unit and a correcting unit, wherein the positioning identifier is used for identifying a positioning point; the image pickup module is used for obtaining image information of the positioning identifier. The image processing unit is used for calculating space position information according to the image information generated by the image pickup module and transmitting the space position information to the correcting unit; the correcting unit is used for carrying out correction on sensed data of the inertial sensor according to the space position information. The inertial positioning method comprises the steps of arranging the image pickup module and the positioning identifier which are separate, wherein the image pickup module is arranged at the correcting end and the positioning identifier is arranged at the inertial sensor end; or the positioning identifier is arranged at the correcting end and the image pickup module is arranged at the inertial sensor end; picking up the positioning identifier by utilizing the image pickup module, and calculating according to the pickup result to obtain the correction data; correcting the sensed data of the inertial sensor by utilizing the correction data. The inertial positioning method has the advantages of being short in correction time, accurate in correction, less in power consumption and the like.

A system and method related thereto, for automatically inspecting at least one tire of a moving vehicle. The system includes an image acquisition device including at least one camera. The camera acquires multiple real-time images of at least one tire of a moving vehicle. As the tire of the vehicle enters a field of view of the camera, the camera component is configured to photograph and transmit the multiple photographs of the at least one tire. A light source illuminates the at least one tire of the vehicle in the field of view of the camera, and the light application may be synchronous with the imaging performed by the camera. A computer image processing component receives the multiple images transmitted from the camera and analyzes the multiple images using a detection program. The computer imaging processing component analyzing the photographs and provides an inspection analysis of each at least one tire.

A method and system for guiding a vehicle comprises a location determining receiver for collecting location data for the vehicle. A vision module collects vision data for the vehicle. A location quality estimator estimates the location quality data for the location data during an evaluation time window. A vision module estimates vision quality data for the vision data during the evaluation time window. A supervisor module selects a mixing ratio for the vision data and location data (or error signals associated therewith) based on the quality data.

A mobile device tracks a relative pose between a camera and a target using Vision aided Inertial Navigation System (VINS), that includes a contribution from inertial sensor measurements and a contribution from vision based measurements. When the mobile device detects movement of the target, the contribution from the inertial sensor measurements to track the relative pose between the camera and the target is reduced or eliminated. Movement of the target may be detected by comparing vision only measurements from captured images and inertia based measurements to determine if a discrepancy exists indicating that the target has moved. Additionally or alternatively, movement of the target may be detected using projections of feature vectors extracted from captured images.

The invention discloses a vision-aided satellite navigation and positioning method. By using the vision-aided satellite navigation and positioning method disclosed by the invention, online positioning can be only depended without the need of carrying out data acquisition in advance, and a great effect is achieved on positioning under indoor, underground, dense-building environments and the like. According to the vision-aided satellite navigation and positioning method disclosed by the invention, image information around a mobile terminal is acquired by virtue of video acquisition terminal, analysis and processing are carried out on a video streaming to extract the position change information of the mobile terminal relative to a reference point, so as to auxiliarily correct the global positioning information measured by a satellite navigation receiver, and finally a high-accuracy positioning result is obtained; compared with the traditional mode, in-advance data acquisition is not needed, and only an online positioning process is needed, thus greatly simplifying the complexity of popularization; meanwhile, according to the vision-aided satellite navigation and positioning method disclosed by the invention, the positioning accuracy of satellite navigation and positioning is improved, and capable of achieving sub-meter scale; moreover, accurate positioning can be realized for cases with serious shielding or indoor conditions and the like.

The invention is directed to a method for determining the individually required addition (Add) of a vision assist for an eye, the method having the following steps:a) a preliminary addition (Addpreliminary) is determined;b) the depth of field (T) of the eye is individually determined; and,c) the addition (Add) is computed according to the following equation: Add=Addpreliminary−ωT;wherein ω defines a real number which lies in the range 0<ω≦1.The invention is further directed to a corresponding arrangement for carrying out the method as well as a computer program.

A method for vision-aided navigation which utilizes an image registration system to update a navigation control system. One exemplary feature of the method includes the use of Enhanced Phase Correlation techniques to create a reference imagery database and register images against the created database. The method may be operated on a non-transitory computer-readable medium storing a plurality of instructions which when executed by one or more processors causes the one or more processors to perform the method for vision-aided navigation which utilizes an image registration system to update a navigation control system.

The invention provides a vision aid method and a vision aid device integrating a camera module and an optical sensor. The device comprises a processing chip, an optical sensor, a camera module and an indication module. When the optical sensor detects that the ambient light brightness is lower than a preset value, the indication module is opened and flickers for reminding. When the light brightness reaches over the preset value and a set time is up, the indication module is closed, and equipment actively opens the camera module to shoot the road condition. When the processing chip judges light intensity mutation as hardware facility change through image comparison, a lamp of the indication module is opened to remind a user of the position. The processing chip can also judge the position of a coming vehicle and calculate the approximate distance, and can remind a user of the dodge direction through vibration and voice according to an image captured by the camera module to enable the user to avoid the coming vehicle. Users can be reminded in real time, indication and early warning can be performed on the surrounding environment, and a guarantee is provided for the personal safety of users.

The invention provides an automatic unmanned plane rising and landing management station, system and method and relates to the unmanned plane application technology field. The automatic unmanned plane rising and landing management station comprises a rising and landing platform, a correction rod assembly arranged on the rising and landing platform, a charging data connector arranged on the correction rod assembly, a vision aided landing system, a ground control system and a power source system, wherein the ground control system comprises an antenna, a communication controller and a correction control module, the communication controller is connected with the antenna, the correction control module, the vision aided landing system, the power source system and the charging data connector, the power source system is further connected with the charging data connector, and the correction control module is connected with the correction rod assembly. The automatic unmanned plane rising and landing management station is advantaged in that automatic unmanned plane rising and landing without artificial intervention can be realized, automatic unmanned plane charging, airborne data download and task upload are accomplished, unmanned plane work efficiency is substantially improved, and unmanned plane use operation is simplified.

An electronic visual aid is provided that includes an evaluating unit, which is supplied with a recording of an information carrier on which information standing out visibly from the background is displayed. The evaluating unit determines a brightness distribution of the recording and derives from the brightness distribution a brightness threshold value lying in the transition zone between a zone of the brightness distribution associated with the background and a zone of the brightness distribution associated with the information. The visual aid also includes an image processing unit which generates from the recording a binary image having only two different, predetermined brightness values, by respectively assigning to the pixels of the binary image the first of the two brightness values when the brightness of the corresponding pixel of the recording is below the brightness threshold value, and otherwise assigning the second brightness value. Also included is a display unit which displays the binary image and is provided as an HMD device.

A vision assist apparatus for assisting a vision of a driver in a vehicle having a headlight includes a night vision camera, a display device, detecting unit, a lighting controlling unit, and a display controlling unit. The night vision camera is configured to capture an image around the vehicle. The display device is configured to display the image captured by the night vision camera. The detecting unit is configured to detect an object that exists in front of the vehicle. The lighting controlling unit controls that the headlight the vehicle. The lighting controlling unit operates the headlight in a high beam mode when the detecting unit does not detect the object while the headlight is on. The display controlling unit causes the display device to display the image captured by the night vision camera when the object exists in front of the vehicle.

There is provided a low-vision aid device, including a scene-display imager producing a signal pattern composed of an array of pixels, a near IR illuminator for illuminating the retina of the eye with radiation for eye tracking, to be reflected from the retina of the eye, an eye-retina tracking imager, and an image transceiver device capable of providing both functions of eye imaging as well as image display by selectively rotating the polarization of individual pixels of the array of pixels of the signal pattern, to allow the transference of selected portions of the signal pattern to reach the retina of the eye.

An eyecup and optical filter appliance is disclosed and claimed. The appliance can be attached to a vision aid device such as an active or passive night vision device, a telescopic sight for a weapon, or the like. The appliance includes a tubular body, an optical filter mounted within a tubular body end cap, and means for mounting the appliance to the vision-aid device. The tubular body includes a main body and an eyecup sized and shaped to mold closely to that portion of the users face surrounding his eye, so that light is not reflected from the user toward his opponent.

The invention discloses a CNC vision aided machining system and method. A CNC is applied to workpiece machining. The system comprises a light source component, a lens, an industrial camera and an industrial computer. The light source component is arranged above a workpiece and emits parallel light to the upper end surface; the lens is arranged on one side of the light source component far from the workpiece and is parallel to the upper end surface; the industrial camera is arranged on one side of the lens far from the light source component and is connected to the lens; the industrial computer is in information interaction with the industrial camera; the axle of the industrial camera, lens and light source component are located on one straight line; the parallel light penetrates the upper end surface to turn into reflection light and enter the lens, the industrial camera acquires image information and transmits image information to the industrial computer, the industrial computer analyzes the image information, acquires data information and transmits to the CNC, and the CNC machines the workpiece according to the data information. The system has the advantages that speed is high, operating time is saved, operating efficiency is improved, accuracy is high, product qualified rate is increased, and the machining cost for positioning a jig is saved.

A device (10) for determining a group of at least one vision aid apparatus suitable for the vision of an individual, includes computing elements programmed to:a) determine at least one characteristic of the vision of the individual,b) determine at least one use of the group of at least one vision aid apparatus, desired by the individual,c) determine the group of at least one vision aid apparatus as a function of the characteristic of the vision and of the use desired by the individual.

An image display device where the display mode can be appropriately switched depending on whether a vision aid is in contact with or close to a portion of a user's body is provided. An image display device (1) includes a display unit (11) that performs display in the stereo image display mode for displaying, separately in time or space, a left eye image to be viewed through a left eye portion (21L) of a vision aid (2) and a right eye image to be viewed through a right eye portion (21R) of the vision aid (2), or a planar image display mode for displaying one of the left eye image and the right eye image.The image display device (1) receives, from the vision aid (2), a mounting signal (241) that indicates that the vision aid is in contact with or close to a portion of the user's body and switches the display mode of the display unit (11) between the stereo image display mode and the planar image display mode based on the reception condition of the signal.