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Author Archives: joelgranados
Zackenberg Weekly letter.
While I was in Zackenbert this summer I was asked to write a letter with my experiences in the station. I recently stumbled upon this letter and decided to make a post out of it :) The only thing I … Continue reading
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Protected: My Masters Thesis: The Layout
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Posted in PhD, Uncategorized
Tagged dissertation, homography, masters layout, phenology, thesis
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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
Cool and easy way of creating a photo gallery in Fedora
I just wanted a simple way of creating an html page that showed some pictures I had taken. Don’t really want to use Facebook nor Picasa because I’m stubborn. I would also want to keep my albums in my /home directory. … Continue reading
HDR. Lets try to normalize the flower color
I recently found a group in the States that greatly overlaps with my work (hurry, I’m not alone). The group is called CENS and has a whole research area dedicated to Terrestrial Ecology Observing Systems. There is a technical report … Continue reading
Showing a pretty ascii git branch topology
If you are using git, you should be branching a lot (it’s encouraged when you use git). If you have lots of branches (more than two:), you might get a bit lost when it comes to determining the relation between branches. … Continue reading
Posted in commands, git
Tagged ascii branches, branch history, command line branches, git, git loggraph, loggraph, pretty format
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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
Posted in annotation, opencv, PhD
Tagged data collection, morphology, phenology, plot image normalization
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Remember cmucam
The resulting pictures from the cmucameras where of very poor resolution. The colors were not very stable and we couldn’t make out any shapes. The next step with the cmucam is to increase the resolution in hope that it will … Continue reading
Markers are probably best placed in the middle of the plot.
This post is about the pictures I received from Greenland. I put them through the image normalization algorithm (That uses homography to corerct things) and the results were a little disappointing :(. There are two aspects of the transformed images that … Continue reading
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