Image Math3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
By now, it should be second nature for you to think of images as arrays of numbers. You've used the tools in ImageJ to do some amazing things with those numbers. Not it's time to learn how to operate on ...

Part 1: Practice Using Selection Techniques3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
Sometimes you're interested in manipulating or analyzing entire images, but it's more common to be interested in a just part of an image. Identifying the pixels you're interested is one of the key ...

Part 2: Manage Regions of Interest (ROI) and Annotate Images3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
Now that you are an expert on the selecting tools, you may be wondering what you can do with this new-found knowledge. On days 4 and 5 you will be simulating the workflow of a professional research project ...

Part 1: Download Landsat Data3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
Register for USGS Data The United States Geological Survey (USGS) is a goldmine for free geospatial science data. The USGS is responsible for managing and disseminating data to other government agencies, the ...

Part 2: Scale and Crop Images3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
Scaling and Cropping Images and Stacks What if these images were too large to work with, either for you or for your students? What could you do? Two common solutions are scaling the images down and cropping them ...

Part 1: Digital Images and Image Files3 part of Earth Analysis Techniques:Image Analysis Modules:Advanced Image Analysis
Digital images carry information. To access, analyze, and manipulate that information, you need tools. A computer is one of those tools—an image processing application is the other. The user's goals ...

Part 1: Use Images to Analyze How Lake Mead Has Changed Over Time2 part of Earth Analysis Techniques:Image Analysis Modules:Introduction to Image Analysis
Drought in the Desert — Water and Energy for a Thirsty Southwest Except for some coastal areas, the southwestern United States is mostly desert — beautiful in it own way, but dry and inhospitable. In the ...

Part 1: Introduction to Color Imaging2 part of Earth Analysis Techniques:Image Analysis Modules:Introduction to Image Analysis
Capture and Reproduce Color All types of color imaging, including film, print media, and modern digital cameras, reproduce color by gathering brightness data from a scene through different colored filters. The ...

Part 1: Spatial Calibration and Measurement2 part of Earth Analysis Techniques:Image Analysis Modules:Introduction to Image Analysis
Introduction to Measuring in ImageJ On Day 1, you learned that a digital image is a string of numbers, displayed in a rectangular array, according to a lookup table. You also learned about the three dimensions of ...

Part 2: Stack and Animate Time-Series Images1 2 part of Earth Analysis Techniques:Image Analysis Modules:Introduction to Image Analysis
Introduction to ImageJ Stacks What is a stack? ImageJ can display two or more images in a single window, as a stack. The images or layers that make up a stack are called slices. Stack windows have a scroll bar ...