Category Archives: annotation

Better annotations -> Better PCA.

One of the issues that I identified in previous posts was that the original annotations were not of good quality.  This included annotations that were incorrect and annotations that pointed to images that did not have enough differentiating information. I … Continue reading

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Annotations: Things to improve

Took a closer look at things that need to be improved in the annotation process.  Spent the day extracting specific examples of what went wrong and how to solve/avoid it.  Here are my findings: Improve the annotations themselves The nature … Continue reading

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Expected non-exciting initial results…

I ran Principal Component Analysis (PCA) on the hog features that I calculating (Using Navneet Dalal’s code) and the result was not spectacular.  I plotted the result and color coded the types of flowers (bud:red, female:green, unknownSex:blue, hair:cyan, male:magenta).  The … Continue reading

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Annotating for HOG Based detecting

When we did the annotation process for the Zackenberg flower pictures I insisted in annotating the WHOLE flower.  In my mind, the more information we gave the algorithm, the better it would perform.  This means that we have some annotations … Continue reading

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New Annotation feature

After discussing the current state of the annotation software, I realized that it needed a  bit of attention.  One of the issues that we discussed, and the one that stayed in my head, was the strangeness when editing the annotations. … Continue reading

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