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Image Descriptors
Tutorials

OpenCV Shape Descriptor: Hu Moments Example

October 27, 2014

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…

Read More of OpenCV Shape Descriptor: Hu Moments Example

Building a Pokedex
Examples of Image Search Engines
Tutorials

Building a Pokedex in Python: Comparing Shape Descriptors with OpenCV (Step 6 of 6)

May 19, 2014

Here we are, the final step of building a real-life Pokedex in Python and OpenCV. This is where it all comes together. We’ll glue all our pieces together and put together an image search engine based on shape features. We…

Read More of Building a Pokedex in Python: Comparing Shape Descriptors with OpenCV (Step 6 of 6)

Building a Pokedex
Examples of Image Search Engines
Tutorials

Building a Pokedex in Python: Indexing our Sprites using Shape Descriptors (Step 3 of 6)

April 7, 2014

So, how is our Pokedex going to “know” what Pokemon is in an image? How are we going to describe each Pokemon? Are we going to characterize the color of the Pokemon? The texture? Or the shape? Well, do you…

Read More of Building a Pokedex in Python: Indexing our Sprites using Shape Descriptors (Step 3 of 6)

Building a Pokedex
Examples of Image Search Engines
Tutorials

Building a Pokedex in Python: Getting Started (Step 1 of 6)

March 10, 2014

So you’re telling me that we are going to build a Pokedex in Python that can visually recognize Pokemon? Just like in the TV show? – Ash Ketchum Yes, Ash. That’s exactly what I’m telling you. The next series of…

Read More of Building a Pokedex in Python: Getting Started (Step 1 of 6)

Image Search Engine Basics

Building an Image Search Engine: Indexing Your Dataset (Step 2 of 4)

February 10, 2014

Last Wednesday’s blog post reviewed the first step of building an image search engine: Defining Your Image Descriptor. We then examined the three aspects of an image that can be easily described: Color: Image descriptors that characterize the color of…

Read More of Building an Image Search Engine: Indexing Your Dataset (Step 2 of 4)

Image Search Engine Basics

Building an Image Search Engine: Defining Your Image Descriptor (Step 1 of 4)

February 3, 2014

On Monday, I showed you how to build an awesome Lord of the Rings image search engine, from start to finish. It was a lot of fun and we learned a lot. We made use of OpenCV image descriptors. More…

Read More of Building an Image Search Engine: Defining Your Image Descriptor (Step 1 of 4)

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