Difference between revisions of "Mandi Assignment Analysis Procedure"
Jump to navigation
Jump to search
VAST Challenge 2017 MC 3
| Line 21: | Line 21: | ||
As there is no sensor artifacts in the image which is taken on 2016-09-06, I take this image to locate the position of Boonsong Lake. <br/> | As there is no sensor artifacts in the image which is taken on 2016-09-06, I take this image to locate the position of Boonsong Lake. <br/> | ||
First, let's find out where are the waterbody in the image then we can narrow the search area. <br/> | First, let's find out where are the waterbody in the image then we can narrow the search area. <br/> | ||
| + | <br/> | ||
| + | Map B4, B3, B2 to RGB in QGIS to generate the "false-color" image. | ||
| + | |||
| + | <<image>> | ||
| + | <br/> | ||
| + | In this band combinations, water is black. Hence, we can identify the main waterbody in the preserve area as below. <br/> | ||
| + | <<image>> | ||
| + | <br/> | ||
| + | Then we compare the shape of these water area with the image of Boonsong Lake. The | ||
==Question 2: Features in the images== | ==Question 2: Features in the images== | ||
Revision as of 20:59, 14 July 2017
Contents
Question 1: Lake Location
As there is no sensor artifacts in the image which is taken on 2016-09-06, I take this image to locate the position of Boonsong Lake.
First, let's find out where are the waterbody in the image then we can narrow the search area.
Map B4, B3, B2 to RGB in QGIS to generate the "false-color" image.
<<image>>
In this band combinations, water is black. Hence, we can identify the main waterbody in the preserve area as below.
<<image>>
Then we compare the shape of these water area with the image of Boonsong Lake. The
