Digital Image Processing (DIP)
>> Saturday 27 October 2012
Read more...
Land Information System
>> Wednesday 17 October 2012
First LIS lecture slide:
Download LectureDownload Book
2nd LIS Slide:
Download Lecture
3rd LIS Slide:
3rd LIS Slide:
What Is Digital Image Processing (DIP)??
>> Saturday 13 October 2012
Digital image processing focuses on two major
tasks
- Improvement of pictorial information for human interpretation
- Processing of image data for storage, transmission and representation for autonomous machine perception
Some argument about where image processing ends and fields such as image analysis and computer vision start.
The continuum from image processing to
computer vision can be broken up into low-, mid- and high-level processes
History of DIP
1960s: Improvements in computing technology and the
onset of the space race led to a surge of work in digital image processing
1964: Computers used to improve the quality of images of the moon taken by the Ranger 7 probe
Such
techniques were used in other space missions including the Apollo landings
One of the most common uses of DIP
techniques: improve quality, remove noise etc
Example OF DIP USE IN GIS:
Geographic Information Systems
- Digital image processing techniques are used extensively to manipulate satellite imagery
- Terrain classification
- Meteorology
- Global inventory of human settlement
- Not hard to imagine the kind of analysis that might be done using this data
Check out this link below to know more About Digital Image Processing And Digital Image Processing using ERDAS Imagine
http://gisknowledge.net/topic/imagine_training/erdas_imagine_information_extraction.pdf
SDSS
>> Wednesday 10 October 2012
First SDSS lecture slide:
Download LectureSecond SDSS lecture slide:
Download Lecture
3rd SDSS lecture slide:
GPS Satellites Movement Around Earth
>> Tuesday 9 October 2012
The parameters used to simulate the orbits are: eccentricity (e) 0.05, inclination (i) 55º and a separation between orbits of 60º in the right ascension of the ascending node. Within each orbit, the four satellites are evenly spaced (the instant of pass through perihelion being arbitrary for the first satellite in each orbit). The orbital period of the satellites was taken to be 12 hours. The earth was considered a perfect sphere with a radius of 6400 km.
The time in the animation is running about 2880 times faster than real time (half a minute representing 24 hours), as clearly seen in the rotation of earth. The simulation was created using MATLAB and converted to animated gif format using Adobe ImageReady.What is GIS Remote sensing?
http://www.nrcan.gc.ca/earth-sciences/geography-boundary/remote-sensing/fundamentals/1262
http://kb.iu.edu/data/anhs.html
http://www.suparco.gov.pk/pages/rsa-gis.asp
http://www.suparco.gov.pk/pages/rsss.asp
http://landsat.gsfc.nasa.gov/education/tutorials.html
Top Satellite Mapping Sites
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Subscribe to:
Posts (Atom)
Posts
