Each week, Harris Geospatial posts new blog content across a variety of categories. Browse our latest posts below or use the menu on the right to filter posts by a specific category or author.



28 Aug

Upsampling images using a Lagrange polynomial method

Atle Borsholm | Comments (0) | Number of views (1137) | Article rating: 4.0

A few weeks ago I posted about using the Lanczos kernel for resampling images to a higher resolution. This week I am continuing with the same example, but adding in the Lagrange resampling... Read More >

18 Aug

Minimum Area Bounding Box

Austin Coates | Comments (0) | Number of views (1007) | Article rating: No rating

I find myself drawing bounding boxes around things a lot. I don’t know why I do it so much, but for whatever reason I do, and as of late I wanted to up my bounding box game. In the past, I... Read More >

12 Aug

Compressing hyperspectral data using Motion JPEG2000

Brian Griglak | Comments (0) | Number of views (925) | Article rating: No rating

As I’ve blogged about before, you have to pay attention to a raster’s interleave so that you can iterate over the data efficiently.  That post was ENVI specific, this time... Read More >

9 Aug

Basic feature extraction with ENVI ROIs

Barrett Sather | Comments (0) | Number of views (1912) | Article rating: 5.0

The ENVI feature extraction module allows a user to extract certain features from an image. The first step is to segment the image in to regions. Once this is done, you can use spatial and... Read More >

4 Aug

Beware of the Diamond Relationship: The danger of multiple class inheritances

Benjamin Foreback | Comments (0) | Number of views (1048) | Article rating: No rating

When developing object-oriented IDL programs, a commonly used class is IDL_Object. This convenient superclass is used to provide the subclass that inherits it with IDL's _overload... Read More >

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