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Image Processing
Tutorials

Sorting Contours using Python and OpenCV

April 20, 2015

Alright, so at this point you have been exposed to contours pretty heavily on the PyImageSearch blog. We used contours to build a kick-ass mobile document scanner. Contours enabled us detect barcodes in images. And we even leveraged the power…

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Image Processing
Tutorials

Find distance from camera to object/marker using Python and OpenCV

January 19, 2015

Last updated on July 8, 2021. A couple of days ago, Cameron, a PyImageSearch reader, emailed in and asked about methods to find the distance from a camera to an object/marker in an image. He had spent some time researching,…

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Image Processing
Tutorials

Finding Shapes in Images using Python and OpenCV

October 20, 2014

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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Building a Pokedex
Examples of Image Search Engines
Tutorials

Building a Pokedex in Python: Finding the Game Boy Screen (Step 4 of 6)

April 21, 2014

Quick question. How does a Pokedex work? Well, you simply point it a Pokemon, the Pokedex examines its physical characteristics, and the Pokemon is identified instantly. In this case, our smartphone camera is our “Pokedex”. We point our smartphone at…

Read More of Building a Pokedex in Python: Finding the Game Boy Screen (Step 4 of 6)

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