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So we know that matplotlib is awesome for generating graphs and figures. But what if we wanted to display a simple RGB image? Can we do that with matplotlib? Of course! This blog post will show you how to display…
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So what type of shape descriptors does OpenCV provide? The most notable are Hu Moments which are can be used to describe, characterize, and quantify the shape of an object in an image. Hu Moments are normally extracted from the…
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Before we dive into this post, let’s take a second and talk about Oscar, a dedicated PyImageSearch reader. He is just getting started in computer vision — and he’s taken the best possible route to mastering the subject: creating your…
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Last week I wrote a post detailing my experience with CUDAMat, Deep Belief Networks, and Python using my MacBook Pro. The post is fairly long and full of screenshots to document my experience. But the gist of it is this:…
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Originally I had intended on doing a followup post on my Getting Started with Deep Learning Guide, but due to some unfortunate personal events, I wasn’t able to complete the blog post. But don’t worry…I still have a really great…
Read More of Finding the Brightest Spot in an Image using Python and OpenCV
Update – January 27, 2015: Based on the feedback from commenters, I have updated the source code in the download to include the original MNIST dataset! No external downloads required! Update – March 2015, 2015: The nolearn package has now…
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Last Updated on July 1, 2021 Would you have guessed that I’m a stamp collector? Just kidding. I’m not. But let’s play a little game of pretend. Let’s pretend that we have a huge dataset of stamp images. And we…
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Tragic. Heartbreaking. Unbearable. These are the three words that I would use to describe my past week. About a week ago, a close childhood friend of mine passed away in a tragic car accident. I went to elementary school and…
Read More of Thresholding: Simple Image Segmentation using OpenCV
Building a document scanner with OpenCV can be accomplished in just three simple steps: Step 1: Detect edges. Step 2: Use the edges in the image to find the contour (outline) representing the piece of paper being scanned. Step 3:…
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