Author Archives: joelgranados

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About joelgranados

I'm fascinated with how technology and science impact our reality and am drawn to leverage them in order to increase the potential of human activity.

Idea: Getting the color of a flower from a flower

Posted on February 10, 2012 by joelgranados

Just wanted to jot this down before I forget it…. I have been working under the assumption that to make a “good” vision algorithm, I should first find an object that is “easy” to detect and then build additional elements … Continue reading →

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How to post on Facebook

Posted on February 9, 2012 by joelgranados

I found a document some time ago that contains a study done by a marketing firm about the best way to increase the readers of  a facebook post. The pdf that contains the summary of the study is here. The … Continue reading →

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Impressive phenology related project.

Posted on January 11, 2012 by joelgranados

Received this from one of the Zackenberg biologists. It is extraordinary how they can get so much detail. At the moment I am not sure how they get this resolution and am not sure if it would be applicable in environments where … Continue reading →

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Share a git repository

Posted on November 24, 2011 by joelgranados

I am involved in a project that decided to use git to share/keep-track of the generated source code. Our research group has a common server that has git installed. I was under the impression that we could just put a … Continue reading →

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Masters Document Prezi presentation

Posted on November 19, 2011 by joelgranados

Here is my Masters Thesis presentation :) To embed it into WordPress I used this link. I now need to figure out how to add voice recordings to the whole presentation. It would be cool that people could just click … Continue reading →

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Publishing google earth tour

Posted on November 13, 2011 by joelgranados

I recently finished making link budget analysis for Abisko and Zackenberg. This was done for a PhD Wireless Sensor Network class that I am attending. After having a very interesting discussion in class about the wireless link budgets in both … Continue reading →

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Wireless Link Calculations: Radio Mobile

Posted on November 5, 2011 by joelgranados

Am taking a PhD course at ITU about Wireless Sensor Networks. Our first assignment is related to finding a link budget for two sites of interest: Zackenberg and Abisko. In Zackenberg we tackle a 21 Kilometer link between two points separated … Continue reading →

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Pan, Zoom | GTK, QT

Posted on October 22, 2011 by joelgranados

One of the selling points for choosing Matlab when implementing the phenological annotation tool was the ease with which one could create pan zoom actions on an image. Now that I have fresh ideas to continue the annotation tool development, I … Continue reading →

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A project similar to my annotations

Posted on October 14, 2011 by joelgranados

This is a really cool web-based annotation application. Things that they have in common with my annotation application is the need of zoom, pan, on image annotation. They have nice features like color coding and the ability to create custom … Continue reading →

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Argument for the use of photo-plot phenology

Posted on October 1, 2011 by joelgranados

When I interviewed the biologists about the new work-flow for plant phenology (now baptized photo-plot pheonogy) one of the major concerns across all the interviewees was the time it would take to complete the phenological counts with the photo-plot method. One of … Continue reading →

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