Posts

PI&RS Module 4: Spatial & Spectral Enhancements and Band Indices

Image
 Hello friends,  In module 4, I learned how to apply spatial enhancements, which is a preprocessing step that gets the imagery ready for use and how to generate band indices and view the characteristics of multispectral imagery. I used ERDAS Image to examine the images and transfered the map to ArcGIS for the layouts.  The map shows false image color imagery. Vegetation appears in shades of red, and densly populated urban areas are shown in cyan blue. This band combination gives results similar to traditional color infrared aerial photography.  This map shows TM false natural color. This band combination provides the user with a great amount of information and color contrast. Healthy vegetation is bright green and soil is mauve. This combination is useful for vegetation studies.    This map shows true color imagery covering snow feature. The dark olive green shows vegetation while the white shows the snow on top of the mountains. This band is similar to wha...

PI&RS Module 3: Intro to ERDAS Imagine and Digital Data

Image
 Hello friends,  For Module 3 in Photo Interpretation and Remote Sensing, I learned how to use ERDAS Imagine for the first time using digital data.  I learned about and how to use the Viewer to view data in ERDAS Imagine and subset data in ERDAS Imagine as a preprocessing step for making a map in ArcGIS.  This maps shows a small subset of an image that was exported from ERDAS Imagine to ArcGIS. ERDAS Imagine has its own unique map-making system but I transferred the data to ArcGIS due to the cause of program crash.  Thank you,  Desirie Luayon

Module 2 Photo Interpretation and Remote Sensing: Land Use and Land Classification

Image
Hey Friends!  For module 2, I learned how to use land use/land cover on an aerial photo in Pascagoula, Mississippi. The map below shows land use/land cover based on the code and color. The legend shows a description of each land use/land cover code. Along with the classification, I had to practice ground truthing and accuracy assessment. The red and green dots demonstrates the accuracy of my land use/land cover.  Overall, I think I did good.  Thanks,  Desirie Luayon

Photo Interpretation and Remote Sensing Module 1: Visual Interpretation

Image
Hey friends! Welcome to my Photo Interpretation and Remote Sensing Journey.   In Photo Interpretation and Remote Sensing, Module 1 focused on some basic principles of interpreting features found on three different aeriel photographs. Module 1 consist of three exercises. Part one consisted of identifying features based on tone and texture of aeriel photographs.   This map layout of my visual interpretation is from Exercise 1. The map illustrates the represetation of various tones and texture found in an aerial photograph. I based the tone from very dark, dark, medium, light, and very light according from the photograph which is highlighted in yellow. The texture ranged from very fine, fine, mottled, coarse, and very course and it is highlighted in light blue. This exercise helped me understand the basic foundation in tone and texture based from different areas. Exercise 2 consisted of identifying land features in an aerial photograph based on several visual attributes...