Orthophoto Generation: Benefits Involved In The Process

By Author: Bakul Sikri
Total Articles: 805
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The modification of the distortions in the aerial photographs captured by satellites or image sensors is known as orthophoto generation. Such distortions are caused due to the systematic sensor or platform-induced aberrations or relief features of the terrain and the geometrical rectification of such hazy images is also known as ortho rectification. This process is highly preferred and finds its foremost use in the Geographic Information System (GIS) industry. Ortho rectified images contain uniform scale, which can be used to calculate accurate distances. The process of orthophoto imagery gives extremely precious and precise data representation of the earth's geographic surface and serves as an exact map base to get precise measurements of objects and other geographical features.

Computers always play a pivotal role in all design driven fields and CAD systems, word processors, databases, spreadsheets, and linked applications have all but replaced traditional paper documentation methods. Paper to CAD conversion involve converting paper drawings, sketches and ...
... details to comprehensive and precise Computer Aided Designs, which can be edited and used with CAD software. There are various advantages involved in the process:

Abridged retrieval and print time of the electronic files

Engineering Document Management (EDM) and Product Data Management (PDM) systems can be employed to archive and manage CAD drawings systematically
Enhanced information flow via email and other means

Superior quality drawings with accuracy in dimensions

Fewer chance of damage or data loss

A process for developing effective and efficient architectural drawings for various architectural components is called as architectural drafting. Architects and builders always look for various decisive and profitable services for their business and using such services, they can develop their planned building architecture efficiently and in quick time. Architecture floor plans, office architectural and furniture drawings prove to be extremely helpful to architects as they save their valuable time and money. A huge number of users related to other fields have started using such drafting services for their profit.

Orthophoto maps show land features using processed and improved color photographic images with details in true place and depict extensive areas of sand, marsh, or flat agricultural areas. These maps ease land-use projects, environmental conditions, public and private sector to sketch the inventory infrastructure, flood plain boundaries for maps, public communications requirements, transportation improvements and other important projects. Orthophoto Generation is divided into two important processes namely, Ortho Rectification and Mosaicking. The former eradicates the effects of relief displacement or camera tilt; the latter combine the individual images into an absolutely tailored image database. However, nowadays second generation orthophoto is mostly preferred as it produces high resolution images with short production schedule in a way cost-effective manner.