Indira Gandhi Delhi Technical University For Women (Established by Govt. of Delhi vide Act 09 of 2012) Kashmere Gate, Delhi – 110006 Ph.D Admissions: Academic Year 2019-20 (Even Semester: Jan. 2020) http://www.igdtuw.ac.in Applications for admissions to Ph.D Programme of IGDTUW for the Academic Year 2019-20 (Even Semester: Jan. 2020) are invited in various areas of Engineering, Applied Sciences and Humanities. Ph.D Programme at IGDTUW is only for female students. Admission shall be on the basis of Research Aptitude Test (RAT) followed by interview. Applicants who have qualified GATE/NET will be exempted from RAT Exam and will be called directly to appear in interview. IGDTUW Junior Research Fellowship may be offered to few of the selected PhD scholars. IMPORTANT DATES: Online Application starts on –06/12/2019 Last Date of Applications –25/12/2019 Date of RAT Examination – 31/12/2019 Application Process: Interested candidates may apply online through the Websitehttp://www.igdtuw.ac.in Help Desk Email ID: phdadmissions@igdtuw.ac.in For details please visit University website. Helpline Numbers-011-23900220, 23900221
When satellite or aerial images are captured, they often contain distortions (errors in shape, scale, or position) caused by many factors — like Earth's curvature, satellite motion, terrain height (relief), or the Earth's rotation . These distortions make the image not properly aligned with real-world coordinates (latitude and longitude). 👉 Geometric correction is the process of removing these distortions so that every pixel in the image correctly represents its location on the Earth's surface. After geometric correction, the image becomes geographically referenced and can be used with maps and GIS data. Types 1. Systematic Correction Systematic errors are predictable and can be modeled mathematically. They occur due to the geometry and movement of the satellite sensor or the Earth. Common systematic distortions: Scan skew – due to the motion of the sensor as it scans the Earth. Mirror velocity variation – scanning mirror moves at a va...

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