---
description: VISION-04
---

# Resizing, Filters, Convolutions

## RESIZING

For shrinking interpolation bad averaging good.

![](https://lh4.googleusercontent.com/1d7ec4Kud61W-4HyXoYCvL_2JzpP87QMrzOyu91jrdlkx8qXHNir3RmoZuAmVEnfz8b_8VPM-nNM8n8XA4pscnv4Z4kR0H0QzSFiTi4s0f-5W-pLpAZp0FmVkNhOlQkzZ7w1nKKsWGY)

![INTERPOLATION](https://lh6.googleusercontent.com/Qf3oOABVmv3TYz8w8_Z-gAteCdI1yrzGzoRIJbMUsYUiwj6GoXG8M_EOb-u-fpw2t4Z7MZ9pxx61oa4iw4DJSTmejRoCHdtG8RPXwBQbujUv4g7SsgGHPADwCqGkginCidYjFFp7g4c)

![AVERAGING](https://lh5.googleusercontent.com/Y-3iZmP1nQjV-frQP9bPXZMMxB4gdhTCWGAMz8HQSEo9SRRrVl2OfKVRKLVyBQ3GjIkngn2uY_C2jChokZzwhtx164RaFIqTo8286VGay5esQwYt2o2Ze81Xc7JhTUx0dC3_ykYyzlc)

## CONVOLUTION: **Weighted sum over pixels**

![](https://lh5.googleusercontent.com/shaAN9IvDfC7oTQ7vv3UpsHBlPxNL8dUFEhK42SS08sZjaFuOXbnry0DLCi1SYVbIVUiiRNWG5h1_i_9U_Xdwn_gPDbLaBQWiJFG_4EhGWGWz_rpDEvsaDSRX63TM_kwR8yNjrssqhU)

## FILTERS

![](https://lh4.googleusercontent.com/y3hepZqrxPoj6HcxH8Do4PZDx0XAKPLvr100oQx0C8p8ull-O9ugUjb-z5yZgPmtr7a_HVbPVlITLi7VCWql4AWPSKlVTzq0gQWqNVttwn-xC9_dqvfKtWb9HtwnQs7K-eDetvroQjQ)![](https://lh5.googleusercontent.com/m0CfhHFOBMDfuzkfbHIDzC_MWrURrnDbjyytQdPizKAQHda0boTGDdCk1FK0K65VtMNEWGNmRafX0crzHU3EE3lxSx6ymNMtkqjxuAA8-9w0upxo8uFRhpyq5gz2V6aRsXNcEUnzuN0)![](https://lh5.googleusercontent.com/bfIn2fHBnCcOhHnR3BQk09IYlPGsZDJRN2i1uncFpB75HeJhzS5ZjeKLla36y0sGr3E3wfixTnwbCjLkvTBDFszD3xAak6aYaG1LSUWRMebMzHIfxEI0wQp5dbK60hmO5zTwbG-etLA)![](https://lh4.googleusercontent.com/B6zmnFqt-A91AhvJOa-FW8NBzQJgwht8MuHuy63sByVUTIRfL6YPcpIeEL4fQDOa5nnS5rYouzQniQ0sPlojIUld69ihgEfcJpqKHGwRZxiBrc57E8SWYUa014ZBdMMmBhR2qGmhRC8)![](https://lh4.googleusercontent.com/O0qatV9TnhdrP_t2PPs6H7WlOAuUqi81Ku82NHe2AZcs6JEZ8SZMaBZNZTcoZDxJCGJ5TU3HdG-UV8H-AlTJ2iK7RfyJ7Emw-85MdV-h3PHbMrZEQQ0oL1esEP9mXVQDf5cXJdrZV78)![](https://lh4.googleusercontent.com/VhHBy66KHru9Ym_A2dgJJwY2dll639b1f9IffqLrsNim0hdyyyvaRs2rgvr3CSGMag-rfZBM1qyA5uJMymQuczaDkPsMrOcsot0EKb9h6h0orfXlKDLT4W9h9V2d1oirv1r-zZxMgVM)
