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Image Alignment / Reconstruction

Image Alignment / Reconstruction. Evelyn Cueva, Matthias Ehrhardt , Paul Quinn, Shaerdan Shataer , Jordan TayloR. The Problem. Object. The Problem. Object. Ideal Sinogram. The Problem. Object. Reality. The Problem. Reconstruction. Reality. Options.

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Image Alignment / Reconstruction

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  1. ImageAlignment / Reconstruction Evelyn Cueva, Matthias Ehrhardt, Paul Quinn, ShaerdanShataer, Jordan TayloR

  2. The Problem Object

  3. The Problem Object Ideal Sinogram

  4. The Problem Object Reality

  5. The Problem Reconstruction Reality

  6. Options • De-jitter the sinogram before image reconstruction (Variational Method; Machine Learning) • Joint de-jitter and image reconstruction from sinogram data

  7. De-noising using Auto-Encoders

  8. What are Auto-Encoders?

  9. What are Auto-Encoders? Encoder

  10. What are Auto-Encoders? Decoder

  11. What are Auto-Encoders?

  12. De-jitter Auto-Encoders

  13. Direct Reconstruction

  14. Direct Reconstruction

  15. Direct Reconstruction

  16. Direct Reconstruction

  17. Going Forward • • Sinogram reconstruction (Variational Method; Machine Learning) • • Direct image reconstruction

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