Servizi per la didattica
PORTALE DELLA DIDATTICA

Geomatics

01RVUMX

A.A. 2020/21

2020/21

Geomatics

Geomatics is the science of modeling and analyzing geographic data " geo-referenced " to produce and manage spatial information. If you think that most of the political decisions are taken on the basis of considerations of spatial data spatial, the social impact of this matter is clear: Geomatics support technical operations, scientific programs, political, administrative and legal issues. The knowledge of the territory through the measurement and representation is essential for its operation , for protectionist purposes, to realize and control a greater part of engineering works . The aim of this course is to offer to the students the knowledge about modern methods of satellite positioning GPS / GNSS positioning inertial measurements, laser scanning , digital photogrammetry and integrated techniques, aimed at surveying applications in support of civil engineering. Moreover, the theory of the instruments and principles of measurement , the definition of the reference systems and their realization is the basis of every geo-referencing wil be provided. The statistical data analysis will be aimed at the elaboration of the acquired measurements, the integration of various sensors. The data processing using specific software, which are used in scientific and professional field, will give a modern point of view on methods of survey.

Geomatics

Geomatics is the science of modeling and analyzing geographic data " geo-referenced " to produce and manage spatial information. If you think that most of the political decisions are taken on the basis of considerations of spatial data spatial, the social impact of this matter is clear: Geomatics support technical operations, scientific programs, political, administrative and legal issues. The knowledge of the territory through the measurement and representation is essential for its operation, for many different actions: monitoring, realization and control a greater part of engineering works . The aim of this course is to offer to the students the knowledge about modern methods of satellite positioning GPS / GNSS positioning, inertial measurements, laser scanning , digital photogrammetry, UAV system and integrated techniques, aimed at surveying applications in support of civil engineering. Moreover, the theory of the instruments and principles of measurement, the definition of the reference systems and their realization, which is the basis of georeferencing, wil be provided. The statistical data analysis will be aimed at the elaboration of survey (data acquisition) and sensors integration (data fusion). The digital data and information will be managed and visualized using GIS platform. The data processing using specific software and tools, which are used in scientific and professional field, will give a modern point of view on methods of survey.

Geomatics

Knowledge of the theoretical principles underlying the different measurement techniques, planing and execution of surveys, knowledge of the techniques of data processing, analysis of results and their evaluation by statistical techniques. Application of Geomatics techniques for surveying of the territory, buildings and engineering works, for mapping, movements and deformations monitoring , tracking and implementation of civil engineering and protection of the territory. Ability to perform measurements with GPS / GNSS, total stations, laser scanner, inertial sensors and digital photogrammetry techniques. Ability to choose the optimal survey methods and ability to integrate data from different measurement techniques. Processing capabilities of current measurements on the ground, or examples given. Capacity for self-development of computational procedures for computing problems for applications Geomatics.

Geomatics

Knowledge of the theoretical principles underlying the different measurement techniques, planning and execution of surveys, knowledge of the techniques of data processing, analysis of results and their evaluation adopting statistical tools. Application of Geomatics techniques for surveying of the territory, buildings and engineering works, for mapping, movements and deformations monitoring , tracking and implementation of civil engineering and protection of the territory. Ability to perform measurements with GPS / GNSS, total stations, laser scanner, inertial sensors and digital photogrammetry techniques, even including the UAV system. Ability to choose the optimal survey methods and ability to integrate data from different measurement techniques. Processing capabilities of current measurements on the ground, or examples given. Digital data and maps management using a GIS platform, knowing some basic approaches. Capacity to self-development of computational procedures for computing and solving problems in some Geomatics application fields

Geomatics

In addition to the basic mathematical knowledge, we require the basics of topography, such as geodesy (surfaces and reference systems), cartography, treatment of measures theoretical part and instrumental part on the classic topographic measurements.

Geomatics

In addition to the basic mathematical knowledge, we require the basics of topography, such as geodesy (surfaces and reference systems), cartography, treatment of measures theoretical part and instrumental part on the classic topographic measurements.

Geomatics

Presentation of the course. Elements of statistics, statistical variable and random nD, linear correlation, least squares. Estimation of the variance covariance matrix of the parameters, reliability and theoretical errors of the 1st and 2nd type, data-snooping. Test adequacy of the model and condition number. Redundancy matrix and the relationship between observations and residuals. Problems sqm: equations of geodetic networks, their linearization and conduct of the calculations. Ellipses of error, simulation of networks and configurable variables. Principles of sequential least squares and Kalman filter. Review about the system and on the signal. Concepts for calculating satellite orbits. Stand-alone GPS positioning with code and phase measurements. Errors in GNSS. Relative positioning: phase differences. Cycle slips. Positioning DGPS and RTK differential, transmission of differential corrections. Techniques of acquisition: methods and accuracy of the positioning. Features of GPS / GNSS. Permanent stations. GNSS Positioning: characteristics of GLONASS constellations. Work on new constellations Galileo, COMPASS, QZSS. GNSS RTK networks and traditional networks. Architectures VRS MRS MAC. DATUM: Concept and definition. Inertial Systems and ECEF. Change of reference system and coordinate systems. National geodetic networks: IGM95, networks of GNSS permanent stations, Dynamic National Network (RDN). DATUM Height: height differences with GPS and classical measurements, elevations and geopotential dynamic, orthometric corrections. GNSS networks and 3D integration with classical measures, from field to real field normal and parallel to gravity. Physical principles of inertial positioning, gyroscopes, accelerometers and magnetometers. Inertial sensors and their types IMU strapdown and gimbaled. Principles on calculating of the position with IMU. Bias and errors in the positioning Inertial reference systems, ECEF, navigation and body and navigation equations. Inertial navigation and integrated with GNSS, loosely coupled and tightly coupled. Applications GNSS / IMU in geomatics: high-performance surveys with Mobile Mapping System (MMS) applications in land, air or drone, IMU integration between GNSS, digital cameras, relations between reference systems and time scales. Principles of operation of the laser scanner. Pulse and phase measurements. Echoes and pulse return signal. Instrument and precision. LIDAR Techniques of acquisition for terrestrial and aerial applications. Positioning of the sensor for aerial and terrestrial LIDAR. Integrating aerial LIDAR , GNSS and IMU. The planning of terrestrial and aerial scans . Alignment and registration of LIDAR scans and notes on filtering, classification and segmentation. Products and applications that make use of LIDAR. Principles of photogrammetry. Process Steps: from the image shooting to the map production. Image reference system, internal and external orientation. Analytical foundations: collinearity equations. Prospective Equations and external orientation. Central projection of a plane object. Flight Planning. Internal orientation, distortion lens, analytical symmetric and asymmetric relative orientation, absolute orientation analysis. Work on the aerial triangulation for independent models and stars projective. Stereoscopic vision. Analytical stereo-plotters and digital stereo-plotters. Analog and digital photogrammetric cameras, aerial and land cameras. Digital photogrammetry and ortho rectification. Applications of photogrammetry for surveying of the territory and buildings. The construction and tracking of engineering works: from design to construction work, geodetic network classification for tracking operations. Tracking point in planimentric and altimetric component, using total stations, GPS / GNSS, with gyroscopic theodolites: operational schemes and precisions. Geodetic and cartographic problems in the reduction of measures in the plan mapping the terrain. ùs Some fundamentals on GIS (geographic informatic system) model: data format, data modeling, selection by attritube and location, DTM and DSM analysis. Vector data analysis.

Geomatics

Presentation of the course. Elements of statistics, statistical variable and random nD, linear correlation, least squares. Estimation of the variance covariance matrix of the parameters, reliability and theoretical errors of the 1st and 2nd type, data-snooping. Test adequacy of the model and condition number. Redundancy matrix and the relationship between observations and residuals. Problems sqm: equations of geodetic networks, their linearization and conduct of the calculations. Ellipses of error, simulation of networks and configurable variables. Principles of sequential least squares and Kalman filter. Review about the system and on the signal. Concepts for calculating satellite orbits. Stand-alone GPS positioning with code and phase measurements. Errors in GNSS. Relative positioning: phase differences. Cycle slips. Positioning DGPS and RTK differential, transmission of differential corrections. Techniques of acquisition: methods and accuracy of the positioning. Features of GPS / GNSS. Permanent stations. GNSS Positioning: characteristics of GLONASS constellations. Work on new constellations Galileo, COMPASS, QZSS. GNSS RTK networks and traditional networks. Architectures VRS MRS MAC. DATUM: Concept and definition. Inertial Systems and ECEF. Change of reference system and coordinate systems. National geodetic networks: IGM95, networks of GNSS permanent stations, Dynamic National Network (RDN). DATUM Height: height differences with GPS and classical measurements, elevations and geopotential dynamic, orthometric corrections. GNSS networks and 3D integration with classical measures, from field to real field normal and parallel to gravity. Physical principles of inertial positioning, gyroscopes, accelerometers and magnetometers. Inertial sensors and their types IMU strapdown and gimbaled. Principles on calculating of the position with IMU. Bias and errors in the positioning Inertial reference systems, ECEF, navigation and body and navigation equations. Inertial navigation and integrated with GNSS, loosely coupled and tightly coupled. Applications GNSS / IMU in geomatics: high-performance surveys with Mobile Mapping System (MMS) applications in land, air or drone, IMU integration between GNSS, digital cameras, relations between reference systems and time scales. Principles of operation of the laser scanner. Pulse and phase measurements. Echoes and pulse return signal. Instrument and precision. LIDAR Techniques of acquisition for terrestrial and aerial applications. Positioning of the sensor for aerial and terrestrial LIDAR. Integrating aerial LIDAR , GNSS and IMU. The planning of terrestrial and aerial scans . Alignment and registration of LIDAR scans and notes on filtering, classification and segmentation. Products and applications that make use of LIDAR. Principles of photogrammetry. Process Steps: from the image shooting to the map production. Image reference system, internal and external orientation. Analytical foundations: collinearity equations. Prospective Equations and external orientation. Central projection of a plane object. Flight Planning. Internal orientation, distortion lens, analytical symmetric and asymmetric relative orientation, absolute orientation analysis. Work on the aerial triangulation for independent models and stars projective. Stereoscopic vision. Analytical stereo-plotters and digital stereo-plotters. Analog and digital photogrammetric cameras, aerial and land cameras. Digital photogrammetry and ortho rectification. Applications of photogrammetry for surveying of the territory and buildings. Use of UAV in Geomatics. The construction and tracking of engineering works: from design to construction work, geodetic network classification for tracking operations. Tracking point in horizontal and vertical component, using total stations, GPS / GNSS, with gyroscopic theodolites: operational schemes and precision. Geodetic and cartographic problems in the reduction of measures in the plan mapping the terrain. Some fundamentals on GIS (Geographic Information System) model: data format, data modeling, selection by attribute and location, DTM and DSM analysis. Vector data analysis.

Geomatics

Geomatics

Geomatics

Exercises will be held partially in the LAB and someones directly in the field, where operative survey will be realized. In the LAB, data processing and photogrammetric plotting will be carried out. Depending on the number of students, the class will be divided in two groups and for each activity, each group could be divided into different small groups, according to the organization that will be communicated during the class. Surveys will be carried out for photogrammetric purposes. LIDAR measurements will be performed as well as surveys of such GNSS RTK GPS receivers. Exercises will be conducted on least squares, change the reference system, 3D topographic compensation networks. Moreover, design of GNSS measurements (planning), GPS data processing and analysis of the surveys quality, processing and visualization of LIDAR data, photogrammetric image rectification, stereoscopic vision and to realize cartographic products. Specific LABs will be dedicated for GIS applications.

Geomatics

Exercises will be held partially in the LAB and someones directly in the field, where operative survey will be realized. In the LAB, data processing and photogrammetric plotting will be carried out. Depending on the number of students, the class will be divided in two/three groups and for each activity, each group could be divided into different small groups, according to the organization that will be communicated during the class. Surveys will be carried out for photogrammetric purposes. LIDAR measurements will be performed as well as surveys of such GNSS RTK GPS receivers. Exercises will be conducted on least squares, change the reference system, 3D topographic compensation networks. Moreover, design of GNSS measurements (planning), GPS data processing and analysis of the surveys quality, processing and visualization of LIDAR data, photogrammetric image rectification, stereoscopic vision and to realize cartographic products. Specific LABs will be dedicated for GIS applications.

Geomatics

Educational material will be distributed during the course All material that is necessary for the course will be presented and discussed in class. Further references books - Teunissen, Peter J.G., Handbook of Global Navigation Satellite Systems, Montenbruck, Oliver (Eds.) Springer 2017 - Hofmann-Wellenhof et al (2008) – GNSS Global Navigation Satellite system. Springer – New York. - Leick (2003) - Gps Satellite Surveying - J. Wiley – Canada. III Edizione. - Kraus, K., 1994. photogrammetry . Vol.1 and vol.2 - Manual of photogrammetry ASPRS - Basics of geomatics - M. A . Gomarasca, Ed. Springer, 2009 - Lidar Remote Sensing Paperback – Matthew J. McGill (Author), NASA Technical Reports Server (NTRS) (2013) - GIS fundamentals 2017 Stephen Wise, CRS press, 2° edition - GIS Fundamentals: A First Text on Geographic Information Systems

Geomatics

Educational material will be distributed during the course All material that is necessary for the course will be presented and discussed in class. Further references books - Teunissen, Peter J.G., Handbook of Global Navigation Satellite Systems, Montenbruck, Oliver (Eds.) Springer 2017 - Hofmann-Wellenhof et al (2008) – GNSS Global Navigation Satellite system. Springer – New York. - Leick (2003) - Gps Satellite Surveying - J. Wiley – Canada. III Edizione. - Kraus, K., 1994. photogrammetry . Vol.1 and vol.2 - Manual of photogrammetry ASPRS - Basics of geomatics - M. A . Gomarasca, Ed. Springer, 2009 - Lidar Remote Sensing Paperback – Matthew J. McGill (Author), NASA Technical Reports Server (NTRS) (2013) - GIS fundamentals 2017 Stephen Wise, CRS press, 2° edition - GIS Fundamentals: A First Text on Geographic Information Systems

Geomatics

Modalità di esame: Prova orale obbligatoria; Elaborato scritto individuale;

Geomatics

The exam aims to test the individual achievement of the basic objective of the teaching, the ability to develop a process in which knowledge of design and project proposal are connected in each phase. The oral exam will be held "in person" or using the remote platform. The oral exam starts from the activities carried out during the laboratories and external survey, that occurred individually processed by the comment of the results. Each student has to upload the report, using the "portale della didattica", one week before the day of oral considering the session when the student wants to do the exam (deadline of booking). The report will be evaluated in the range from -1(poor quality) to 2 (high quality) and this score will contribute to the final score. The autonomy and maturity of each student are verified by finding a correct solutions to some problems explained during lectures or tutorials. Usually the oral exam requires about 30 minutes and it is generally based on 3 questions.

Geomatics

Exam: Compulsory oral exam; Individual essay;

Geomatics

The exam aims to test the individual achievement of the basic objective of the teaching, the ability to develop a process in which knowledge of design and project proposal are connected in each phase. The oral exam will be held "in person" or using the remote platform. The oral exam starts from the activities carried out during the laboratories and external survey, that occurred individually processed by the comment of the results. Each student has to upload the report, using the "portale della didattica", one week before the day of oral considering the session when the student wants to do the exam (deadline of booking). The report will be evaluated in the range from -1(poor quality) to 2 (high quality) and this score will contribute to the final score. The autonomy and maturity of each student are verified by finding a correct solutions to some problems explained during lectures or tutorials. Usually the oral exam requires about 30 minutes and it is generally based on 3 questions.

Geomatics

Modalità di esame: Prova orale obbligatoria; Elaborato progettuale individuale;

Geomatics

The exam aims to test the individual achievement of the basic objective of the teaching, the ability to develop a process in which knowledge of design and project proposal are connected in each phase. The oral exam will be held using the remote platform. The oral exam starts from the activities carried out during the laboratories and external survey, that occurred individually processed by the comment of the results. Each student has to upload the report, using the "portale della didattica", one week before the day of oral exam considering the session when the student wants to do the exam (deadline of booking). The report will be evaluated in the range from -1(poor quality) to 2 (high quality) and this score will contribute to the final score. The autonomy and maturity of each student are verified by finding a correct solutions to some problems explained during lectures or tutorials. Usually the oral exam requires about 30 minutes and it is generally based on 3 questions.

Geomatics

Exam: Compulsory oral exam; Individual project;

Geomatics

The exam aims to test the individual achievement of the basic objective of the teaching, the ability to develop a process in which knowledge of design and project proposal are connected in each phase. The oral exam will be held using the remote platform. The oral exam starts from the activities carried out during the laboratories and external survey, that occurred individually processed by the comment of the results. Each student has to upload the report, using the "portale della didattica", one week before the day of oral exam considering the session when the student wants to do the exam (deadline of booking). The report will be evaluated in the range from -1(poor quality) to 2 (high quality) and this score will contribute to the final score. The autonomy and maturity of each student are verified by finding a correct solutions to some problems explained during lectures or tutorials. Usually the oral exam requires about 30 minutes and it is generally based on 3 questions.



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