'2d fourier transform' presentation slideshows

Ioan Buciu

Imaging and computer science applications to neurosciences. Ioan Buciu. Department of Electronics and Telecommunications Faculty of Electrical Engineering and Information Technology, University of Oradea, 410087, Romania e-mail: ibuciu@uoradea.ro. Contents.

1.77k views • 160 slides

CSCE 641 Computer Graphics: Image Processing

CSCE 641 Computer Graphics: Image Processing. Jinxiang Chai. Review. 2D Fourier Transform Nyquist sampling theory - Sampling Rate ? 2 * max frequency in the signal Antialiasing - prefiltering Gaussian pyramid - Mipmap. Review. 2D Fourier Transform Nyquist sampling theory

1.38k views • 111 slides

Chapter 7: Fourier Analysis

Chapter 7: Fourier Analysis. Fourier analysis = Series + Transform ? Fourier Series -- A periodic ( T ) function f ( x ) can be written as the sum of sines and cosines of varying amplitudes and frequencies. ? Some function is formed by a finite number

769 views • 55 slides

EE 4780

EE 4780. 2D Discrete Fourier Transform (DFT). 2D Discrete Fourier Transform. 2D Fourier Transform. 2D Discrete Fourier Transform (DFT). 2D DFT is a sampled version of 2D FT. 2D Discrete Fourier Transform. Inverse DFT. 2D Discrete Fourier Transform (DFT). where and .

1.06k views • 42 slides

The Fourier Transform II

595 views • 32 slides

Tomography and Reconstruction

Tomography and Reconstruction. Lecture Overview Applications Background/history of tomography Radon Transform Fourier Slice Theorem Filtered Back Projection Algebraic techniques. Measurement of Projection data Example of flame tomography. Applications & Types of Tomography.

387 views • 17 slides

PHYS 408 Applied Optics (Lecture 21)

PHYS 408 Applied Optics (Lecture 21). Jan-April 2016 Edition Jeff Young AMPEL Rm 113. Quiz #11.

167 views • 16 slides

Tomographic Image Reconstruction

Tomographic Image Reconstruction. Dr. Rajeev Srivastava. Overview. Image creation Image reconstruction Brute force Iterative techniques Backprojection Filtered backprojection. Image Creation. Tomogram image of a slice taken through a 3D volume. Projection

278 views • 15 slides

339 views • 12 slides

Magnetic Resonance Learning Objectives

Magnetic Resonance Learning Objectives. Understand Bloch equation. What does each term mean? How is each term used to create signal and/or contrast?. Longitudinal Relaxation Transverse Relaxation. Apply this to calculate Mz after various excitations.

127 views • 4 slides