Category Archives: annotation

Interesting annotation app.

One of the next steps within my Ph.D. is to create an annotation tool that can annotate a series of images. This will require capabilities like propagating annotations through time, propagating changes through time and facilitating pan/zoom actions. I recently … Continue reading

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The Flower counting algorithm lives

I recently finished a flower counting algorithm and am very happy with the results. While the test was done with an easy set of images (yellow flowers over brown ground), I wanted to celebrate an important milestone in the project with … Continue reading

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Using Matlab was a mistake.

Because it is not free. I think its awesome. Image processing, handling really large matrices, creating GUIs… It’s a very well-rounded tool and the learning curve is almost non-existent (you start doing really crazy stuff with no effort). There is … Continue reading

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Homography aided plot based Phenological measurements

Just came back from a wonderful couple of weeks in Zackenberg where I deployed two experimental plots that used multiple chessboard markers. At each plot corner a marker was placed. All four corners had different markers, and only one marker … Continue reading

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Homography Aided Plot Based Phenology Measurements

Before going home yesterday I left a process running that had the latest version of the homography algorithm.  The new trial included multiple markers and changing the way of calculating the image transformation.  When I arrived this morning, I found … Continue reading

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Making sense of my software.

Today I needed a functionality that I was sure that I had already coded.  Given that I have a bunch of active projects in different places in a semi-active status, I got a little confused and it took me some … Continue reading

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imroi: bloated Matlab commands

I was working with rbbox on my Matlab GUI application to create squares that marked important stuff inside an image.  I recently needed to move away from the rectangle based approach to a polygon based approach.  This meant not using rbbox. … Continue reading

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