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# Core Operations

- Basic Operations on Images

> | Learn to read and edit pixel values, working with image ROI and other basic operations.

- Arithmetic Operations on Images

> | Perform arithmetic operations on images

- Performance Measurement and Improvement Techniques

> | Getting a solution is important. But getting it in the fastest way is more important. Learn to check the speed of your code, optimize the code etc.

- Mathematical Tools in OpenCV

> | Learn some of the mathematical tools provided by OpenCV like PCA, SVD etc.

## Help and Feedback

You did not find what you were looking for?

- Ask a question on the Q&A forum.
- If you think something is missing or wrong in the documentation, please file a bug report.

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