Week 4: Image Preprocessing

Hello all,
 This week ERDAS Imagine was used to process and look at a raster image and identify 3 different aspects of said image.
Feature 1: Using the inquire tool I found that a spike in pixels between 12 and 18 in Layer_4 is water. In my opinion it was easier to see the Water in the raster band combination Red: 4, Green: 3, Blue: 2, or near infrared because water shows up as a dark blue or green in this band combination whereas the land is a range of red colors.
Feature 2:  Using the inquire tool and histogram I found that Snow on the mountain had small spike in layers 1-4 around pixel value 200, and a large spike between pixel values 9 and 11 in Layer_5 and Layer_6. I used the  raster band combination 1, 1 , 1 or grey scale to make the brightness in the pixel values to shine through the most.
Feature 3:Using the inquire tool and histogram I found that the water of a small lake has much higher pixel values in layers 1-3 while layers 5 and 6 remained relatively unchanged. I used the true color combination or Red: 3, Green: 2, Blue: 1 to make the bright blue reflection of the lake to be seen the easiest.

After these features were found I created a subset of the image then imported the images to create a map for each of the features in Arc GIS Pro which are below.