Evaluation On Capabilities Of Photogrammetric Software Computer Science Essay

Recently, the utilizations of digital photogrammetry became more popular and now it had made photogrammetric technique became easier, quicker and cheaper. This survey discuss about the capablenesss of different photogrammetric package to construct 3D function. The surveies country will transport out on Shah Alam metropolis and possible to cover around UiTM. Next information will be utilizing Ground Control Point ( GCP ) utilizing GPS. Since utilizing two different of photogrammetric package, it involves treating the image such as aerial triangulation ( AT ) , DTM and besides Orthophoto.

The consequence will demo or establish the best package in green goods 3D function than the others package.

Maping normally refers to map-making where it representation of an country of land or sea demoing physical characteristics and it frequently used alternatively of mapmaking. Maping term is sometimes used for geospatial informations aggregation like distant feeling. There a many type of mapping for illustration topographic, bathymetric, cadastral, photogrammetric function, distant detection, etc. From all type of the function, photogrammetric is the best function because it deriving trusty information about physical characteristics and the environment.

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It can cover from big into little country.

Maping besides can be stand foring in 2D and besides 3D. The photogrammetric technique is frequently used as informations coevals and besides processing. For information generate will carried out two overlapping aerial exposure. Data processing will be carried out by package. In photogrammetric, 3D theoretical account can be generated utilizing 3D two-channel theoretical account and I besides can be generated by assorted technique.

Some of photogrammetric package consist or supply a different truth of 3D theoretical account like Erdas Imagine, Topcon PI 3000 Image Master, Leica Photogrammetric Suit and others.

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However digital photogrammetry like package make the photogrammetric become easier, faster, simpler and besides give a low cost. Harmonizing to ERDAS ( 2002 ) , this photogrammetric technique is closely integrated into distant detection and GIS.

Harmonizing to Anuar Ahmad ( 2012 ) , Digital photogrammetric method involves treating the digital images of aerial exposure utilizing computing machine. The digital images can be captured straight utilizing digital camera or scanned from aerial exposure. In digital photogrammetry, many undertakings can be extremely automated. In this survey, there will be used two sort of digital photogrammetric package known as Leica Photogrammetric Suite ( LPS ) and PHOTOMOD.

LPS can be defined as a photogrammetric package application on imagination and it besides used for pull outing information from imagination. This imagination may be come from distant detection, airborne/aircraft cameras, or ground-based cameras. For PHOTOMOD, it is planned for remote detection informations through photogrammetric processing. PHOTOMOD besides allows in researching wide-ranging possibilities and public presentation. Next information will be used is ground control point which will set up utilizing Global Positioning System ( GPS ) .

By utilizing photogrammetric package, it is to authorise users to alter natural imagination into reliable informations beds required for all digital function, 3D visual image and GIS analysis. This will measure for capablenesss of selected package bring forthing technique for 3D function. This survey will be profit for any application for illustration Location Based Service ( LBS ) , Augmented Reality, 3D metropolis theoretical account, etc.

Problem Statement

Presents, users can non deny at that place a batch of package to treat the natural information for photogrammetric. All of them have advantages and disadvantage in making the quality merchandise. In these surveies, it will measure for capablenesss of selected package bring forthing technique for 3D function. This will give some of user taking the best package for treating the photogrammetry informations.

Following job is about the information input where the current aerial exposure is non been up-to-date. It may be happen because of costing, clip and besides the equipment. For illustration bing like the surveyor demand to book an aero plane for taking the exposure, if there go on any error it need to wing once more and it used a batch of money.

Purpose

The purpose of this survey is to bring forth 3D GIS maps and measure their truth utilizing different photogrammetric package ( LPS, PHOTOMOD, DVP etc. ) .

Aim

To carry on GPS study for land control points.

To bring forth digital GIS map utilizing photogrammetric techniques and package.

To compare the capablenesss of selected photogrammetric package for bring forthing 3D GIS Map.

Scope of Study

This survey will concentrate on comparing the capablenesss of the selected photogrammetric package for bring forthing 3D GIS map. For some ground, one of the package possibly users friendly, more accurate, give high declaration function or so on.

Study Area

The surveies country will transport out on Shah Alam metropolis and possible to cover around UiTM.

Software

For these surveies, it is utilizing two different type of package. The package will be usage is Leica Photogrammetric Suite ( LPS ) and PHOTOMOD.

Datas Required

In this survey, the informations will be involved Aerial Photograph and Ground Control Point utilizing Global Positioning System ( GPS ) .

Chapter 2

PHOTOGRAMMETRIC SOFTWARE FOR 3D GIS Function

Introduction

In this chapter describes the theory, application of GIS in 3D function by utilizing photogrammetric package.

Maping

Maping normally refers to map-making where it representation of an country of land or sea demoing physical characteristics and it frequently used alternatively of mapmaking. Maping term is sometimes used for geospatial informations aggregation like distant feeling. There a many type of mapping for illustration topographic, bathymetric, cadastral, photogrammetric function, distant detection, etc. From all type of the function, photogrammetric is the best function because it deriving information about physical characteristics and the environment. It can cover from big into a little country.

Photogrammetric function

Photogrammetric function can be described as a procedure of roll uping geographic and information about physical land characteristics and the environment by entering, mensurating and interpretation of aerial photographic images. Photogrammetric function besides can be stand foring in 2D and besides 3D. In photogrammetric, 3D theoretical account can be generated utilizing 3D two-channel theoretical account and besides can be generated by assorted technique. To bring forth 3D theoretical account, it can be utilizing aerial photogrammetry and close scope methods. The photogrammetric technique is frequently used as informations coevals and besides processing. For information generate will carried out two overlapping aerial exposure. The information processing will be carried out by package.

Photogrammetric Software

Harmonizing to A. Ahmad ( 2011 ) , Digital photogrammetric method involves treating the digital images of aerial exposure utilizing computing machine. The digital images can be captured straight utilizing digital camera or scanned from aerial exposure. In digital photogrammetry, many undertakings can be extremely automated. Some of photogrammetric package green goods or supply a different truth of 3D model/map such as Erdas Imagine, Topcon PI 3000 Image Master, Leica Photogrammetric Suite ( LPS ) and others.

However digital photogrammetry like package make the photogrammetric become easier, faster, and simpler and besides give a low cost. Harmonizing to ERDAS ( 2002 ) , this photogrammetric technique is closely integrated into distant detection and GIS. In this survey, there will be used two sort of digital photogrammetric package known as Leica Photogrammetric Suite ( LPS ) and PHOTOMOD.

Leica Photogrammetric Suite ( LPS )

LPS can be defined as a photogrammetric package application on imagination and it besides used for pull outing information from imagination. This imagination may be come from distant detection, airborne/aircraft cameras, or ground-based cameras. LPS where normally used in natural imagination processing over the creative activity of geospatial informations merchandises for illustration 3D characteristics, Orthophoto and Digital terrain theoretical accounts ( DTM ) .

PHOTOMOD

One of the digital photogrammetric package will be used in these survey is PHOTOMOD. This package was one of first photogrammetric package where it design as off-the-rack Personal computers and developed by Racurs Company from Russia. Nowadays, this package was recognized as most popular photogrammetric package at Russia.

PHOTOMOD can be depicting as intended for remote feeling informations photogrammetric processing. PHOTOMOD besides allows in researching wide-ranging possibilities and public presentation. The advantages utilizing this package were the informations processing workflow non covering with 3rd party merchandises, It besides support assortment of input device and besides specialise in 3D accountants, and it had high degree of mechanization for the photogrammetric operation.

Chapter 3

Methodology

Introduction

There are several phases of methodological procedure that used in this undertaking. It start from informations input as Aerial Photo as a base map. Then the informations collection by set up GCP & A ; acirc ; ˆ™s utilizing GPS and after that the informations will be process utilizing different package such as PHOTOMOD and LPS. Lastly will be the consequence and analysis where the consequence of comparing of photogrammetric package capablenesss.

Datas Roll uping

DATA INPUT

( Aerial Photo )

DATA Collection

Establish Ground Control Points ( GSP & A ; acirc ; ˆ™s )

DATA Processing

PHOTOMOD and LPS package

RESULT AND ANALYSIS

Land control co-ordinate ( x, y, omega )

3D maps of Shah Alam

Comparison tabular array of photogrammetric package capablenesss

Aerial Photograph

Land Control Points

Before get downing the information procedure, land control points should be cod first. From the definition, land control points is a point that been located at known location on the Earth surface which is used as the mentions on the images informations beginnings. Harmonizing to IES ( 2008 ) , the basic premiss for GCP & A ; acirc ; ˆ™s and look into points is that should be of a quality three better than the specification, that is 0.8m RMSE for the 2.5m RMSE specification.

To set up the control point, the control points need to turn up at the mark country which easy to identified. The control point should be in unfastened infinite where there no break such as multipath. After that, the co-ordinate of the control point will be set up or detect by GPS.

Datas Processing

There are assorted treating stairss with photogrammetric package start from an orientation and characteristic extractions from the Digital Terrain Model ( DTM ) . Three cardinal procedures in photogrammetry are orientation, IO, RO and EO.

Updated: Aug 12, 2021
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Evaluation On Capabilities Of Photogrammetric Software Computer Science Essay. (2020, Jun 02). Retrieved from https://studymoose.com/evaluation-on-capabilities-of-photogrammetric-software-computer-science-new-essay

Evaluation On Capabilities Of Photogrammetric Software Computer Science Essay essay
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