9 results about "Physical Maps" patented technology

The application belongs to the field of wireless communication and perception, and particularly relates to an environment map construction method for an arbitrary continuous irregular rough diffuse reflection scene. The application comprises: modeling a receiving end receiving signal with a continuous rough diffuse reflection probability model; using a two-dimensional off-network sparse Bayesian algorithm to extract channel parameter information from the receiving signal; perceiving the state of scattering points by using parameter information extracted from different observations; fusing the perceived scattering point information of multiple users and multiple base stations, performing data cleaning and clustering, and realizing perception of an arbitrary shape unknown environment including irregular scattering surfaces; and constructing a high-precision physical map by using a rotating polynomial fitting method. The application can greatly reduce the cost of environment map construction and prevent privacy leakage; can be applied to any unknown shape physical scattering scene, and can effectively extract and fuse a higher order of magnitude of environmental parameter state observations.

System and methods for delivering geofence geometries to a physical map are disclosed. At least one user device is constructed and configured in communication with a server associated at least one database. The at least one user device receives data regarding a scale unit of the physical map and latitude and longitude of all corners of the physical map. The at least one user device converts the latitude and longitude to Internet Protocol (IP) addresses via communication with the server. The at least one user device queries the at least one database for at least one geofence geometry associated with the IP addresses. The at least one user device decouples the at least one geofence geometry from the at least one database and delivers as an overlay to the physical map.

The application discloses a method for simultaneously constructing and mutually enhancing a physical map and a radio frequency map, wherein a network-connected aircraft initializes the physical map and the radio frequency map according to historical data or a wireless channel model before performing a flight task, measures radio frequency data including wireless signal strength in a flight track during flight to determine whether a link between the aircraft and a ground base station is a line-of-sight link, and periodically senses an environment around a flight path during flight to obtain physical environment data representing building heights of the environment; the radio frequency data and the physical environment data are fused by mining an internal relationship between the building heights and electromagnetic propagation characteristics, and the simultaneous construction and enhancement of the physical map and the radio frequency map are realized. The application utilizes the internal relationship between the radio frequency map and the physical map, solves problems of large construction cost and complicated mapping of the physical map and the radio frequency map constructed separately, and builds a bridge for the construction of the two kinds of maps to realize environment-adaptive integrated sensing and communication.

A method by a computing device obtains a digital image of a physical map, identifies features in the digital image, and obtains map augmentation information based on the identified features. The method then generates an augmented map based on the map augmentation information, and provides the augmented map for display. Related mobile devices and computer program products are disclosed.

Provided herein is a method comprising producing rolling circle amplification (RCA) products that are immobilized in or on cells, wherein each RCA product has an RCA product identifier sequence that distinguishes the RCA product from other RCA products that are immobilized in or on the cells; while the RCA products are immobilized in or on cells, producing nucleic acid products that contain RCA product identifier sequences or complements thereof from adjacent RCA products; for each of a plurality of the nucleic acid products, identifying which RCA product identifier sequences or complements thereof are in the nucleic acid product; and making a physical map of at least some of the RCA products using the identified RCA product identifier sequences or complements thereof.

The utility model discloses an obstacle test field for visual inspection and evaluation. The obstacle test field comprises a test darkroom, a test map, an illumination device and a data acquisition device, a projection device used for projecting the test map to the ground is arranged in the test darkroom, the test map is of a grid structure, and at least one test path marked by an arrow and at least one obstacle placed on the test map are arranged on the test map; the illumination device comprises an adjustable illumination lamp group and an illumination detection part used for detecting illumination of a height plane where the eyes of a to-be-tested person are located; the data acquisition device comprises wearable equipment used for acquiring eye movement data and limb movement data of the to-be-tested personnel, the projection technology is used for replacing a traditional physical map labyrinth canvas, the trouble of map laying is omitted, the detection efficiency is remarkably improved, and the requirement for canvas storage space is reduced.

A head-mounted device may include one or more sensors for capturing images of a real-world environment and for determining where the head-mounted device is facing in the real-world environment. The sensors can be used to capture images for creating a lighting map that indicates where one or more light sources are located within the environment and for creating a physical map representing a geometry of the environment. The sensors can be used to predict a direction in which the head-mounted device will be facing in the real-world environment. One of the sensors can include an image sensor for capturing images that are displayed to a user of the head-mounted device. One or more settings of the image sensor can be adjusted based on the lighting map and based on the predicted direction of where the head-mounted device will be facing when capturing a future frame.

This invention belongs to the fields of computer vision, depth completion, and 3D perception, and specifically provides a depth completion method based on heterogeneous non-rigid constraints. It includes the following steps: S1: Construction of a region-aware heterogeneous physical map; S2: Selection of sparse physical anchor points and definition of tracking confidence; S3: Construction of a multi-objective joint energy function; S4: Joint modeling and iterative optimization of scale and translation parameters; S5: Dynamic weight scheduling and result output based on tracking state. This invention is applicable to robot vision, industrial inspection, augmented reality, digital twins, medical imaging, and other monocular vision scenarios with local non-rigid changes, local dynamic perturbations, or only sparse depth observation. By introducing a region-aware heterogeneous physical map, node-level relative elastic weights, node-level relative sticky weights, and a joint optimization mechanism during testing, it achieves highly consistent recovery of dense depth maps under sparse depth constraints.