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# Video Analysis

- Meanshift and Camshift

> | We have already seen an example of color-based tracking. It is simpler. This time, we see significantly better algorithms like “Meanshift”, and its upgraded version, “Camshift” to find and track them.

- Optical Flow

> | Now let’s discuss an important concept, “Optical Flow”, which is related to videos and has many applications.

- Background Subtraction

> | In several applications, we need to extract foreground for further operations like object tracking. Background Subtraction is a well-known method in those cases.

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