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Radar Geo-warping
Radar geo-warping is the adjustment of Georeferencing, geo-referenced radar images and video data to be consistent with a geographical map projection, projection. This image warping avoids any restrictions when displaying it together with video from multiple radar sources or with other geographical data including scanned maps and satellite images which may be provided in a particular projection. There are many areas where geo warping has unique benefits: * Single radar video signal displayed together with maps of different geographical projections. E.g. **Mercator projection, Mercator **Transverse Mercator projection, UTM **Stereographic projection, stereographic * Multiple radar video signals displayed simultaneously: ** Having the computing power to do so on one computer. ** Adapting the projection of all radar signals allowing the geographically correct display and accurate superimposition of those videos. * Slant range correction: a modern 3D radar system can measure the heig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georeferencing
Georeferencing or georegistration is a type of coordinate transformation that binds a digital raster image or vector database that represents a geographic space (usually a scanned map or aerial photograph) to a spatial reference system, thus locating the digital data in the real world. It is thus the geographic form of image registration or image rectification. The term can refer to the mathematical formulas used to perform the transformation, the metadata stored alongside or within the image file to specify the transformation, or the process of manually or automatically aligning the image to the real world to create such metadata. The most common result is that the image can be visually and analytically integrated with other geographic data in geographic information systems and remote sensing software. A number of mathematical methods are available, but the process typically involves identifying a sample of several ground control points (GCPs) with known locations on the image a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cartesian Coordinate System
In geometry, a Cartesian coordinate system (, ) in a plane (geometry), plane is a coordinate system that specifies each point (geometry), point uniquely by a pair of real numbers called ''coordinates'', which are the positive and negative numbers, signed distances to the point from two fixed perpendicular oriented lines, called ''coordinate lines'', ''coordinate axes'' or just ''axes'' (plural of ''axis'') of the system. The point where the axes meet is called the ''Origin (mathematics), origin'' and has as coordinates. The axes direction (geometry), directions represent an orthogonal basis. The combination of origin and basis forms a coordinate frame called the Cartesian frame. Similarly, the position of any point in three-dimensional space can be specified by three ''Cartesian coordinates'', which are the signed distances from the point to three mutually perpendicular planes. More generally, Cartesian coordinates specify the point in an -dimensional Euclidean space for any di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Image Processing
An image or picture is a visual representation. An image can be two-dimensional, such as a drawing, painting, or photograph, or three-dimensional, such as a carving or sculpture. Images may be displayed through other media, including a projection on a surface, activation of electronic signals, or digital displays; they can also be reproduced through mechanical means, such as photography, printmaking, or photocopying. Images can also be animated through digital or physical processes. In the context of signal processing, an image is a distributed amplitude of color(s). In optics, the term ''image'' (or ''optical image'') refers specifically to the reproduction of an object formed by light waves coming from the object. A ''volatile image'' exists or is perceived only for a short period. This may be a reflection of an object by a mirror, a projection of a camera obscura, or a scene displayed on a cathode-ray tube. A ''fixed image'', also called a hard copy, is one that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geo Warping With Without
Geo- is a prefix derived from the Greek word ''γη'' or ''γαια'', meaning "earth", usually in the sense of "ground or land”. GEO or Geo may also refer to: Arts, entertainment, and media * ''GEO'' (magazine), a popular scientific magazine *Geo, a fictional character on the Nick Jr. television show, ''Team Umizoomi'' * Geo ''(Ninjago)'', character from ''Ninjago'' *Geo City, a fictional city in the videogame ''Raw Danger'' *Geo Stelar, the protagonist in ''Mega Man Star Force'' *Geo TV, a pay television channel in Pakistan *Geo, the name of the main currency used in the videogame ''Hollow Knight'' Brands and enterprises * Geo (automobile), a defunct brand of entry-level cars produced by General Motors * Georgetown University, abbreviated as Geo. in ''Bluebook'' * GEO Group, a prison corporation Computing and science * Geo (microformat), a microformat for marking up geographical coordinates in (X)HTML * Gene Expression Omnibus, or GEO, a National Center for Biotechnology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graphics Processing Unit
A graphics processing unit (GPU) is a specialized electronic circuit designed for digital image processing and to accelerate computer graphics, being present either as a discrete video card or embedded on motherboards, mobile phones, personal computers, workstations, and game consoles. GPUs were later found to be useful for non-graphic calculations involving embarrassingly parallel problems due to their parallel structure. The ability of GPUs to rapidly perform vast numbers of calculations has led to their adoption in diverse fields including artificial intelligence (AI) where they excel at handling data-intensive and computationally demanding tasks. Other non-graphical uses include the training of neural networks and cryptocurrency mining. History 1970s Arcade system boards have used specialized graphics circuits since the 1970s. In early video game hardware, RAM for frame buffers was expensive, so video chips composited data together as the display was being scann ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geo Warping Grid
Geo- is a prefix derived from the Greek word ''γη'' or ''γαια'', meaning "earth", usually in the sense of "ground or land”. GEO or Geo may also refer to: Arts, entertainment, and media * ''GEO'' (magazine), a popular scientific magazine *Geo, a fictional character on the Nick Jr. television show, ''Team Umizoomi'' * Geo ''(Ninjago)'', character from ''Ninjago'' *Geo City, a fictional city in the videogame ''Raw Danger'' *Geo Stelar, the protagonist in ''Mega Man Star Force'' *Geo TV, a pay television channel in Pakistan *Geo, the name of the main currency used in the videogame ''Hollow Knight'' Brands and enterprises * Geo (automobile), a defunct brand of entry-level cars produced by General Motors * Georgetown University, abbreviated as Geo. in ''Bluebook'' * GEO Group, a prison corporation Computing and science * Geo (microformat), a microformat for marking up geographical coordinates in (X)HTML * Gene Expression Omnibus, or GEO, a National Center for Biotechnology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coordinate Reprojection
In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine and standardize the position of the points or other geometric elements on a manifold such as Euclidean space. The coordinates are not interchangeable; they are commonly distinguished by their position in an ordered tuple, or by a label, such as in "the ''x''-coordinate". The coordinates are taken to be real numbers in elementary mathematics, but may be complex numbers or elements of a more abstract system such as a commutative ring. The use of a coordinate system allows problems in geometry to be translated into problems about numbers and ''vice versa''; this is the basis of analytic geometry. Common coordinate systems Number line The simplest example of a coordinate system is the identification of points on a line with real numbers using the ''number line''. In this system, an arbitrary point ''O'' (the ''origin'') is chosen on a given line. The coordinate of a p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GIS File Formats
A GIS file format or geospatial file format is a standard for encoding geographical information into a computer file. It is a specialized type of file format for use in geographic information systems (GIS), remote sensing image processing tools, and other geospatial applications. Since the 1970s, dozens of formats have been created based on various Data model (GIS), data models for various purposes. They have been created by government mapping agencies (such as the USGS or National Geospatial-Intelligence Agency), GIS software vendors, standards bodies such as the Open Geospatial Consortium, informal user communities, and even individual developers. History The first GIS installations of the 1960s, such as the Canada Geographic Information System were based on bespoke software and stored data in bespoke file structures designed for the needs of the particular project. As more of these appeared, they could be compared to find best practices and common structures. When general-purpos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geo Warping Radar To CIB Projection
Geo- is a prefix derived from the Greek word ''γη'' or ''γαια'', meaning "earth", usually in the sense of "ground or land”. GEO or Geo may also refer to: Arts, entertainment, and media * ''GEO'' (magazine), a popular scientific magazine *Geo, a fictional character on the Nick Jr. television show, ''Team Umizoomi'' * Geo ''(Ninjago)'', character from ''Ninjago'' *Geo City, a fictional city in the videogame ''Raw Danger'' *Geo Stelar, the protagonist in ''Mega Man Star Force'' *Geo TV, a pay television channel in Pakistan *Geo, the name of the main currency used in the videogame ''Hollow Knight'' Brands and enterprises * Geo (automobile), a defunct brand of entry-level cars produced by General Motors * Georgetown University, abbreviated as Geo. in ''Bluebook'' * GEO Group, a prison corporation Computing and science * Geo (microformat), a microformat for marking up geographical coordinates in (X)HTML * Gene Expression Omnibus, or GEO, a National Center for Biotechnology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geographic Coordinate System
A geographic coordinate system (GCS) is a spherical coordinate system, spherical or geodetic coordinates, geodetic coordinate system for measuring and communicating position (geometry), positions directly on Earth as latitude and longitude. It is the simplest, oldest, and most widely used type of the various spatial reference systems that are in use, and forms the basis for most others. Although latitude and longitude form a coordinate tuple like a cartesian coordinate system, the geographic coordinate system is not cartesian because the measurements are angles and are not on a planar surface. A full GCS specification, such as those listed in the EPSG Geodetic Parameter Dataset, EPSG and ISO 19111 standards, also includes a choice of geodetic datum (including an Earth ellipsoid), as different datums will yield different latitude and longitude values for the same location. History The invention of a geographic coordinate system is generally credited to Eratosthenes of Cy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar Projection Example
Radar is a system that uses radio waves to determine the distance (''ranging''), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather formations, and terrain. The term ''RADAR'' was coined in 1940 by the United States Navy as an acronym for "radio detection and ranging". The term ''radar'' has since entered English and other languages as an anacronym, a common noun, losing all capitalization. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwave domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. Radio waves (pulsed or continuous) from the transmitter reflect off the objects and return to the receiver, giving information about ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
