Glosarium

The science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring, and interpreting photographic images.

A high-resolution point cloud generated from overlapping digital images using automated feature matching and photogrammetric processing techniques to create detailed 3D spatial data.

A preliminary three-dimensional point cloud generated during photogrammetric processing that contains relatively few calculated points, used as an intermediate step before dense cloud generation.

A distinctive feature or marked location visible in overlapping aerial or terrestrial photographs used to establish geometric relationships and coordinate connections between multiple images in photogrammetric processing.

A comprehensive measurement and mapping process used to determine the precise location, elevation, and condition of pipeline infrastructure for design, construction, and maintenance purposes.

Pix4d is a software platform that processes drone imagery and aerial data to create precise 3D maps, orthomosaics, and point clouds for surveying and mapping applications.

A detailed map showing the divisions of a piece of land into lots, blocks, and streets, used for legal property identification and real estate transactions.

A weight suspended from a string used to determine vertical direction in surveying and construction.

A string or wire with a weight attached used to determine vertical direction in surveying and construction.

A large collection of three-dimensional data points obtained through surveying techniques that represent the surface geometry of physical objects or environments.

The process of categorizing individual points in a three-dimensional point cloud dataset according to their object type, material, or other characteristics.

The process of aligning multiple point clouds in a common coordinate system to create a unified 3D model.

The process of converting three-dimensional point cloud data captured by surveying instruments into structured Building Information Models for design, documentation, and asset management.

A vertical staff or rod used in surveying to mark points and measure distances and elevations.

Teknik pemosisian diferensial presisi tinggi menggunakan data satelit GPS pasca-pemrosesan untuk aplikasi survei profesional.

A drone equipped with Post-Processing Kinematic (PPK) technology for high-accuracy surveying and mapping applications.

Ppm ni isang yunit ng pagsusukat na kumakatawan sa bahagi bawat milyun, karaniwang ginagamit sa surveying upang ipahayag ang mga napakaliit na halaga tulad ng mga error sa pagsukat.

A surveying technique that uses satellite signals from a single GNSS receiver to determine positions with centimeter-level accuracy without requiring reference stations.

A GNSS surveying technique that achieves centimeter to millimeter-level accuracy using corrections derived from global reference station networks.

Precision accuracy refers to the degree of closeness between repeated measurements and their true values in surveying operations.

A fixed correction value applied to electronic distance measurements made with a reflective prism to account for the optical geometry of the prism itself.

An optical device that reflects and refracts light through prisms to redirect survey signals for precise measurements.

Matematički sistem za prenošenje trodimenzionalne površine Zemlje na dvodimenzionalnu površinu karte.

Qeydiyyat, xəritə və torpaq sahəsində məlumatların rəsmi qeyd və tənzimləmə prosesidir.

QGIS is a free and open-source geographic information system software used for creating, editing, visualizing, and analyzing spatial data and maps.

A device that modulates and demodulates digital signals for transmission over radio frequencies, enabling wireless data communication.

A protective dome or enclosure made of radio-transparent material that shields radar antennas from environmental damage while allowing electromagnetic waves to pass through.

A specialized surveying method used to establish precise horizontal and vertical alignments for railway infrastructure construction and maintenance.

Unpredictable variations in measurements that occur due to uncontrollable factors and cannot be systematically eliminated.

The degree to which measured distances in surveying correspond to true values, expressed as error margins or tolerance levels.

An instrument used in surveying to measure distances between points without direct measurement.

A GPS surveying method that combines the speed of kinematic surveying with the accuracy of static positioning by using short observation sessions.

Digital information represented as a grid of pixels or cells, where each cell contains a value representing an attribute of that location.

Unprocessed information collected directly from surveying instruments and field observations before any analysis or transformation.

Ó cwmpasu'r prif bwyntiau neu ddigwyddiadau yn fyr ar ôl trafodaeth neu digwyddiad.

Redundancy refers to the inclusion of extra or duplicate measurements, observations, or data points beyond the minimum required to determine a unique solution in surveying work.

A marked point or object used in surveying that reflects light or electromagnetic signals back to measuring instruments for precise positioning and distance calculations.

A surveying instrument technology that measures distances without requiring reflective prisms or targets.

A surveying technique that measures distances and positions without requiring reflective targets or prisms at the measurement point.

The science and technology of obtaining information about objects or areas from a distance, typically using satellites or aircraft equipped with specialized sensors.

Resection is a surveying method used to determine the position of an unknown point by measuring angles to known reference points.

A comprehensive method of documenting existing structures and site conditions using Autodesk Revit software to create accurate digital models for design and construction purposes.

The legal right to pass through another person's property, typically granted for utilities, roads, or public access.

RISCAN PRO est un logiciel de traitement et d'analyse des données de numérisation laser terrestre développé par RIEGL pour la gestion complète des nuages de points.

Root mean square is a statistical measure used in surveying to quantify the magnitude of varying quantities and assess measurement accuracy.

RMSE ay isang statistical measure na ginagamit sa surveying upang sukatin ang average na magnitude ng mga errors sa pagitan ng predicted at observed values.

The systematic process of measuring and documenting the physical characteristics, alignment, and conditions of roadways for planning, design, and maintenance purposes.

An automated surveying instrument that combines electronic distance measurement, angle measurement, and robotic positioning capabilities for precise data collection without constant operator adjustment.

Real-Time Kinematic (RTK) is a surveying technique that uses GPS/GNSS signals with a base station to achieve centimeter-level accuracy in real-time positioning.

Real-Time Kinematic Global Navigation Satellite System positioning is a technique that uses satellite signals and ground-based correction data to achieve centimeter-level accuracy in real-time surveying and mapping applications.