44 results about "Mobile mapping" patented technology

A method, apparatus, computer readable medium, computer system, network, or system is provided for mobile and online payment systems for mobile and online promotions or offers or daily deal coupons or daily deal coupons aggregation provided using impressions tracking and analysis, location information, 2D and 3D mapping, social media, and user behavior and information for generating mobile and internet posted promotions or offers or daily deal coupons or daily deal coupons aggregation for, and / or sales of, products and / or services in a social network, online or via a mobile device-for mobile and web based promotions or offers that connect information and user behavior data to a user or related demographic location or user specified or predicted demographic location(s) for targeted promotions or offers for products and / or services in a social network, online or via a mobile device.

A method, apparatus, computer readable medium, computer system, network, or system, is provided for using impressions tracking and analysis, location information, 2D and 3D mapping, social media, and user behavior and information for generating mobile and internet posted promotions or offers for, and / or sales of, products and / or services, for example, through an advertising application programming interfaces (APIs) on mobile devices, tablets, or computers, that provides mobile and web based promotions or offers that connect information and user behavior data to a user or related demographic location or user specified or predicted demographic location(s), such as through the use of as social networking, user or demographic profiles, behavior, and / or relationships, for targeted promotions or offers for products and / or services.

A method apparatus for orienting a map display in a mobile or portable device. An electronic compass is integrated with a hand-held portable or mobile mapping device and an electronic compass bearing is used to calculate an offset value with respect to the map default orientation. The map is thus reoriented in the display to the direction of the device. In an alternative embodiment, a GPS receiver is also integrated with the device. A heading fix is calculated from two or more GPS position fixes to determine orientation of the device. When a heading fix is unavailable, such as at initial start-up of the device, a compass heading is used in lieu of the GPS heading fix to orient the map on a display.

A method of generating a geodetic reference database product is disclosed The method comprises acquiring mobile mapping data captured by means of digital cameras, range sensors and position determination means including GPS and IMU mounted to a vehicle driving across the earth surface, the mobile mapping data comprising simultaneously captured image data, range data and associated position data in a geographic coordinate system. Linear stationary earth surface features are derived from the mobile mapping data by processing the image data, range data and associated position data. 3D-models are generated for the linear stationary earth surface features in the geographic coordinate system from the image data, range data and associated position data and stored in a database to obtain the geodetic reference database product. A 3D-model could include an image representing the colors of the surface of the 3D model or a set of smaller images representing photo-identifiable objects along the model. The 3D-models could be used to rectify aerial imagery, to correct digital elevation models and to improve the triangulation of digital elevation models.

A method of generating a geodetic reference database product is disclosed The method comprises acquiring mobile mapping data captured by means of digital cameras, range sensors and position determination means including GPS and IMU mounted to a vehicle driving across the earth surface, the mobile mapping data comprising simultaneously captured image data, range data and associated position data in a geographic coordinate system. Linear stationary earth surface features are derived from the mobile mapping data by processing the image data, range data and associated position data. 3D-models are generated for the linear stationary earth surface features in the geographic coordinate system from the image data, range data and associated position data and stored in a database to obtain the geodetic reference database product. A 3D-model could include an image representing the colors of the surface of the 3D model or a set of smaller images representing photo-identifiable objects along the model. The 3D-models could be used to rectify aerial imagery, to correct digital elevation models and to improve the triangulation of digital elevation models.

Computer implemented methods are disclosed for providing geographical information to a user. One method includes observing, via location information generated or obtained through a user's mobile electronic device, a user traverse a preferred user route from the start location to the destination, and saving the preferred user route in relation to the user. The method may predict, based on past behavioral information for the user, a predicted start time of a future trip to the destination and may identify one or more routes from the start location to the destination. In addition, the method may compare, at a time relative to the predicted start time of the future trip, a duration or distance associated with traversing the preferred user route to a duration or distance associated with traversing the fastest route or the shortest route from the start location to the destination.

A method of detecting objects from terrestrial based mobile mapping data is disclosed, wherein the terrestrial based mobile mapping data has been captured by way of a terrestrial based mobile mapping vehicle driving on a road having a driving direction, the mobile mapping data including laser scanner data, source images obtained by at least one camera and position and orientation data of the vehicle, wherein the laser scanner data includes laser points, each laser point having associated position and orientation data, and each source image comprises associated position and orientation data. In at least one embodiment, the method includes: retrieving a position and orientation of the vehicle; filtering the laser scanner data in dependence of the position and orientation of the vehicle to obtain laser points corresponding to regions of interest; retrieving a source image associated with the position and orientation of the vehicle; mapping the laser points corresponding to regions of interest to image coordinates of the source image to generate a recognition mask; combining the recognition mask and the source image to obtain candidate 3D images representative of possible objects within the regions of interest; and, detecting a group of objects from the candidate 3D images. By combining image recognition and laser scanner recognition the detection rate can be increased to a very high percentage, thereby substantially reducing human effort. Furthermore, the generating of regions of interest in the laser data, enables a significant reduction of the processing power and / or the processing time needed to detect the objects in the images.

A method, apparatus, computer readable medium, computer system, network, or system, is provided for using impressions tracking and analysis, location information, 2D and 3D mapping, social media, and user behavior and information for generating mobile and internet posted promotions or offers for, and / or sales of, products and / or services, for example, through an advertising application programming interfaces (APIs) on mobile devices, tablets, or computers, that provides mobile and web based promotions or offers that connect information and user behavior data to a user or related demographic location or user specified or predicted demographic location(s), such as through the use of as social networking, user or demographic profiles, behavior, and / or relationships, for targeted promotions or offers for products and / or services.

A method of processing camera data of a mobile mapping system is disclosed. In at least one embodiment, the method includes a) obtaining camera data from at least one camera of the mobile mapping system, b) detecting at least one region in the camera data, c) applying a compression technique on the camera data in a first region, and d) obtaining range sensor data from at least a first range sensor. The range sensor data may at least partially correspond to the camera data. Also, in at least one embodiment, b) includes using the range sensor data to identify the at least one region in the camera data.

A method of detecting objects from terrestrial based mobile mapping data is disclosed, wherein the terrestrial based mobile mapping data has been captured by way of a terrestrial based mobile mapping vehicle driving on a road having a driving direction, the mobile mapping data including laser scanner data, source images obtained by at least one camera and position and orientation data of the vehicle, wherein the laser scanner data includes laser points, each laser point having associated position and orientation data, and each source image comprises associated position and orientation data. In at least one embodiment, the method includes: retrieving a position and orientation of the vehicle; filtering the laser scanner data in dependence of the position and orientation of the vehicle to obtain laser points corresponding to regions of interest; retrieving a source image associated with the position and orientation of the vehicle; mapping the laser points corresponding to regions of interest to image coordinates of the source image to generate a recognition mask; combining the recognition mask and the source image to obtain candidate 3D images representative of possible objects within the regions of interest; and, detecting a group of objects from the candidate 3D images. By combining image recognition and laser scanner recognition the detection rate can be increased to a very high percentage, thereby substantially reducing human effort. Furthermore, the generating of regions of interest in the laser data, enables a significant reduction of the processing power and / or the processing time needed to detect the objects in the images.

Provided herein is a method for generating a road surface. The method for generating a road surface includes: obtaining a view height of a laser scanner used in an operation process through a mobile mapping system (MMS); determining a reference height on the basis of the obtained view height and a height measured by a global positioning system (GPS); extracting point cloud data positioned in a predetermined height range from the determined reference height among point cloud data obtained in the mobile mapping system; and generating the road surface on the basis of the extracted point cloud data.

The invention belongs to the fields of navigational positioning and position service, and discloses a multi-dimensional information synchronous acquiring, positioning and position service device as well as system and method. Multi-dimensional information data which comprises a navigational and position service map, indoor space environment information and geographic position reference thereof needed for indoor navigation and position service as well as ubiquitous positioning signal data and geographic position marking thereof needed for indoor positioning are synchronously acquired and generated, geographical distribution of ubiquitous positioning signal feature is reconstructed or a spatial position of a signal source is calculated, so that an indoor ubiquitous positioning base information database is constructed, and therefore, a complete technical scheme for indoor navigation and position service application construction, deployment, maintenance and updating for a mobile phone or other mobile equipment is provided. The mobile mapping technology and method improves operation efficiency of a navigation and position service data acquisition site, has high usability, and remarkablyreduces data acquisition, application maintenance and updating cost.

The invention discloses a vehicle-mounted mobile mapping device which comprises a transport platform system, a driving system, an inertial navigation system, a three-dimensional data acquisition system, a communication system and an upper computer, wherein the three-dimensional data acquisition system is utilized for acquiring polar radius information of the surface of a scene, and the transport platform system is applied to carrying the whole device; the device is controlled by the driving system to move in the scene; the inertial navigation system is used for getting spatial six-degree-of-freedom position and attitude parameters of the device; the communication system is applied to transmit the position and attitude parameters of the device, which are obtained by the inertial navigationsystem and the polar radius information of the scene, which is acquired by the three-dimensional data acquisition system to the upper computer in a real-time manner; and a three-dimensional point cloud image of the scene is reconstructed by processing polar radius of the scene and the information of the spatial six-degree-of-freedom position and attitude parameters of the device through software of the upper computer. The vehicle-mounted mobile mapping device disclosed by the invention can overcome the shortcomings of long production cycle of data, high production cost of the data, great difficulty in getting the effective data in places which can not be reached by staff and the like of a traditional measurement method and realize indoor and outdoor fast and accurate mapping, and further has broad application prospects in the fields of urban planning, reconstruction of accident scenes, archeology and the like.

The invention discloses a method for identifying a well lid part in a streetscape image of a mobile mapping system. The method comprises the steps of reading image data and obtaining image parameters; preprocessing an image and enhancing edge features in the image; performing edge detection on the preprocessed image by utilizing a weighted vector edge detection method, and obtaining an edge feature image; obtaining edge point sets based on the vector edge feature image, and extracting a vector contour link table corresponding to each edge point set; calculating all vector contour link tables one by one according to a determining criterion, resolving a suspected well lid elliptic equation coefficient by adopting a least square method, and controlling detection precision by utilizing a coefficient similarity threshold and a coefficient counter; and performing false ellipse removal according to geometric characteristics and / or position characteristics of the well lid in the streetscape image of the mobile mapping system. The invention aims to provide the method for identifying the well lid part in the streetscape image of the mobile mapping system, and the method is accurate in positioning and high in identification rate.

Photographic images recorded with mobile mapping vehicles (20) in real life situations usually contain cars or other moving objects (34) that cover visual information on the road surface (24). According to the techniques of this invention, moving objects (34) are detected by grayscale differencing in overlapping pixels or sections of two or more orthorectified image tiles. Based on moving object identification, masks are generated for each orthorectified tile. The masks are then compared and priorities established based on grayscale values associated with the masks. Mosaics of a large surface of interest such as the Earth can be assembled from a plurality of overlapping photographic images with moving objects (34) largely removed from the resulting mosaic.

An exemplary mobile mattress sensor system is described, the system includes a pressure sensing pad and a computer device having an associated display operable to receive signals from the pressure sensing pad and cause the display a body map associated with the received signals. The mobile mapping system further includes a power source for powering the computer device, and a cart for transporting the pressure sensing pad, computer device, and power source. The mobile body mapping system allows a user to transport the mobile body mapping system throughout a store to test and generate body maps for different mattresses. Further, many different mattresses may be uniquely tested for a particular user with a single pressure sensing pad (as opposed to having multiple pressure sensing pads and computing devices for each mattress or a small set of “test” beds including pressure sensing pads and computing devices).

A method and system for scanning and measuring an environment is provided. The method includes providing a first three-dimensional (3D) measurement device. The 3D measurement device being operable in a helical mode or a compound mode, wherein a plurality of light beams are emitted along a first path defined by a first axis and a second axis in the compound mode and along a second path defined by the first axis in the helical mode. A mobile platform holding the 3D measurement device is moved from a first position. A first group of 3D coordinates of the area is acquired by the 3D measurement device when the mobile platform is moving. A second group of 3D coordinates of the area is acquired with a second 3D measurement device that with six-degrees of freedom (6DOF). The first group of 3D coordinates is registered based on the third group of 3D coordinates.

The embodiment of the invention provides a method and device for obtaining conversion parameters of a scanning measurement system coordinate system to an inertial navigation system coordinate system,and a mobile mapping system; the method comprises the steps: firstly, according to forecasted conversion parameters of the scanning measurement system coordinate system to the inertial navigation system coordinate system, and conversion parameters of the inertial navigation system coordinate system to a ground coordinate system, generating a pretreatment point cloud under the ground coordinate system; followed by obtaining coordinates of at least three selected calibration characteristic points in the ground coordinate system and corresponding coordinates in the pretreatment point cloud; and finally, according to the forecasted conversion parameters, the conversion parameters of the inertial navigation system coordinate system to the ground coordinate system and the coordinates of at leastthree selected calibration characteristic points in the ground coordinate system and the corresponding coordinates in the pretreatment point cloud, obtaining the conversion parameters of the scanningmeasurement system coordinate system to the inertial navigation system coordinate system. Accurate initial conversion parameters are not needed to obtain and the external calibration efficiency is improved.

The invention provides a high-precision post-processing positioning method and system for ambiguity domain information integration. The method comprises steps of constructing multiple ambiguity domains with uniform benchmark and consistent ambiguity numerical characteristic, performing ambiguity information integration analysis on each ambiguity domain by combining forward and backward Kalman filtering solution information of the first time, acquiring correct ambiguity fixed value and then realizing full-time fixing in the ambiguity domain, and finally, updating coordinate parameters, so as torealize high-precision positioning in a post-processing mode. The method can improve ambiguity fixing rate and reliability in GNSS high-precision positioning obviously so as to reach centimeter-levelpositioning precision, thereby having high practical application value in fields like mobile mapping and airborne gravity.

The invention relates to an adaptive correction method of vibration displacement errors of a mobile mapping system, and belongs to the technical field of spatial data collection and treatment. The adaptive correction method includes the following steps of: a) enhancing original vibration displacement data as a continuous time domain vibration displacement signal dependent on multiple variable mobile mapping environmental parameters; b) classifying and analyzing characteristic relations of each measurement environmental parameter variation and signal frequency domain distribution, the relations including the mapping relation of a measurement environmental parameter variation threshold and a signal frequency domain distribution scope, and the relation of a measurement environmental parameter variation trend and the frequency domain distribution width; c) using the parameter variation threshold mapping relation to dynamically and adaptively divide the continuous time domain vibration displacement signal into signal time domain intervals with specific frequency domain distribution complexity; and d) using variation trend consistent relation to restrain a value range of internal detail level parameters, and executing vibration displacement error correction treatment in every time domain interval. The adaptive correction method of the vibration displacement errors of the mobile mapping system can solve the problem that the present signal treatment method cannot suit accurate error correction of the vibration displacement of the mobile mapping system under the complex mapping environment, and contributes to supporting the high precision mobile mapping data analysis.

Provided herein are a method and apparatus for generating road surface and a method and apparatus for processing point cloud data. The method for generating the road surface comprises the steps of obtaining a view height of a laser scanner used in an operation process through a mobile mapping system (MMS); determining a reference height on the basis of the obtained view height and a height measured by a global positioning system (GPS); extracting point cloud data positioned in a predetermined height range from the determined reference height among point cloud data obtained in the mobile mapping system; and generating the road surface on the basis of the extracted point cloud data.

A method of collecting road sign information using a mobile mapping system, which can collect information on the markings on the road in real-time and map the information to a high definition map using the mobile mapping system including a remote sensing device and a navigation device is disclosed. Particularly, the system may collect correct road marking information in real-time by extracting objects and attributes from successive images on the basis of deep learning and map the road marking information to a high definition map, and remarkably improve accuracy of recognizing the road marking information. Accordingly, reliability and competitiveness may be enhanced in the autonomous driving field, the road recognition field, the high definition road map field for autonomous driving, and the fields similar or related thereto.

Photographic images recorded with mobile mapping vehicles (20) in real life situations usually contain cars or other moving objects (34) that cover visual information on the road surface (24). According to the techniques of this invention, moving objects (34) are detected by grayscale differencing in overlapping pixels or sections of two or more orthorectified image tiles. Based on moving object identification, masks are generated for each orthorectified tile. The masks are then compared and priorities established based on grayscale values associated with the masks. Mosaics of a large surface of interest such as the Earth can be assembled from a plurality of overlapping photographic images with moving objects (34) largely removed from the resulting mosaic.

The invention discloses a visual SLAM loopback detection improvement method based on instance segmentation. Instance segmentation is carried out on an image through a Mask R-CNN framework, and three improvement measures combined with the example segmentation are provided, so that the loop-back detection problem of the mobile intelligent robot in visual navigation is solved, and the robot is more accurate in mobile mapping; compared with the prior art, the Mask R-CNN is used for off-line training, and the examples in the image are finely segmented. The segmented instances with relatively low correlation are selected and removed, so that the stability and the accuracy of the whole loop detection are improved, and the high efficiency and the accuracy of the intelligent mobile robot navigationare improved; besides, in the loop detection, three detection methods combined with an instance segmentation framework are used for describing an image space relationship, so that the loop detectionis further inspected. Due to the two characteristics, the accuracy of the whole system is remarkably improved.

A method and system for scanning and measuring an environment is provided. The method includes providing a first three-dimensional (3D) measurement device. The 3D measurement device being operable in a helical mode or a compound mode, wherein a plurality of light beams are emitted along a first path defined by a first axis and a second axis in the compound mode and along a second path defined by the first axis in the helical mode. A mobile platform holding the 3D measurement device is moved from a first position. A first group of 3D coordinates of the area is acquired by the 3D measurement device when the mobile platform is moving. A second group of 3D coordinates of the area is acquired with a second 3D measurement device that with six-degrees of freedom (6DOF). The first group of 3D coordinates is registered based on the third group of 3D coordinates.

The invention discloses a woodworking machine for conveniently adjusting and fixing wood, which comprises a workbench, a support frame, an electric saw mouth, an electric saw and support legs. The workbench includes a fixed table top and a movable table top. There is an electric saw opening between the fixed table top and the mobile table top. There is a measuring rod on the top, and there are chutes on both sides of the measuring rod, and the chute is perpendicular to the measuring rod. A supporting frame is provided, and a fixing plate is arranged on the bottom surface of the supporting frame, and the top surface of one end of the fixing plate is fixedly connected with the bottom surface of the supporting frame. Beneficial effect: the purpose of adjusting the processing size can be achieved, and the processing wood is pushed out by the push rod, so that the processing wood is close to the side of the marking rod, and the accuracy of the processing size is guaranteed.