Explains Downsampling and Upsampling of two dimensional images using two examples. It shows that this is a 2D version of Decimation and Interpolation of 1D signals.
* Matlab code for this video is available here: https://www.iaincollings.com/image-processing
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Related videos: (see: http://iaincollings.com)
• Decimation of Discrete Time Signals: https://youtu.be/jP267ZoMChw
• Interpolation of Discrete Time Signals: https://youtu.be/C5HoWirRQiU
• Sampling Discrete Time Signals: https://youtu.be/mKGp7kus4yo
• What is Aliasing? https://youtu.be/B3nZUFNkTGY
• Discrete Time Sampling Example: https://youtu.be/vGxvrq5kCzQ
• 2D Fourier Transform Explained with Examples https://youtu.be/3gAZ0U66AEA
• Introduction to Image Processing with 2D Fourier Transform https://youtu.be/tlwIWjeuu8U
• How does the Discrete Fourier Transform DFT relate to Real Frequencies? https://youtu.be/pIFz84oj9cA
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