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

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 an image seek to model the distribution of the pixel intensities in each channel of the […]

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Clever Girl: A Guide to Utilizing Color Histograms for Computer Vision and Image Search Engines

It’s…it’s a histogram. – Dr. Grant Okay. So maybe that isn’t the exact quote. But I think Dr. Grant would have been equally thrilled had he known the power of color histograms. And more importantly, when the power goes out, the histograms don’t eat the tourists. So, what exactly is a histogram? A histogram represents the distribution […]

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