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In last week’s blog post, I discussed my investment in an NVIDIA DIGITS DevBox for deep learning. It was quite the investment, weighing in at a staggering (and wallet breaking) $15,000 — more than I ever thought I would spend on…
Read More of Considerations when setting up deep learning hardware
Here’s a common question I get asked on the PyImageSearch blog: How do I make a Python + OpenCV script start as soon as my system boots up? There are many ways to accomplish. By my favorite is to use…
Read More of Running a Python + OpenCV script on reboot
A few weeks ago, I demonstrated how to order the (x, y)-coordinates of a rotated bounding box in a clockwise fashion — an extremely useful skill that is critical in many computer vision applications, including (but not limited to) perspective…
Read More of Finding extreme points in contours with OpenCV
As we all know, OpenCV 3.0 was officially released back in June of 2015. This new update incorporated a ton of new features and optimizations, including Python 3 bindings. But the big question on everyone’s mind is: “Should I switch to OpenCV…
Read More of OpenCV 3 adoption rate
I think a better title for this blog post might be: How I lost a day of productivity to Ubuntu, virtual environments, matplotlib, and rendering backends. Over the weekend I was playing around with deep learning on my Ubuntu system…
Read More of Resolved: Matplotlib figures not showing up or displaying
You know what makes for a (not so) fun weekend? Reconfiguring and reinstalling OSX on your MacBook Pro. Apparently, the 13in MacBook Pro that I use when I’m traveling decided to shit the bed. No worries though, I use Carbon…
Read More of The perfect computer vision environment: PyCharm, OpenCV, and Python virtual environments
It was unavoidable — the OpenCV 3 release was bound to break backwards compatibility with some OpenCV 2.4.X functions: cv2.findContours and cv2.normalize come to mind right off the top of my head. So how do you ensure that your code…
Read More of Checking your OpenCV version using Python
A few weeks ago I introduced bat-country, my implementation of a lightweight, extendible, easy to use Python package for deep dreaming and inceptionism. The reception of the library was very good, so I decided that it would be interesting to…
Read More of Deep dream: Visualizing every layer of GoogLeNet
If you’ve had a chance to play around with OpenCV 3 (and do a lot of work with keypoint detectors and feature descriptors) you may have noticed that the SIFT and SURF implementations are no longer included in the OpenCV…
Read More of Where did SIFT and SURF go in OpenCV 3?
