'Linear filter' presentation slideshows

Speech Processing

1.7k views • 99 slides

Linear filters

Linear filters. What is Image Filtering?. Modify the pixels in an image based on some function of a local neighborhood of the pixels. Some function. Linear Filtering. Linear case is simplest and most useful Replace each pixel with a linear combination of its neighbors.

797 views • 78 slides

Digital Communications Fredrik Rusek

Digital Communications Fredrik Rusek. Chapter 10, adaptive equalization and more Proakis-Salehi. Brief review of equalizers. Channel model is Where f n is a causal white ISI sequence , for example the C- channel , and the noise is white. Brief review of equalizers.

931 views • 70 slides

Time Series Analysis and Forecasting I

Time Series Analysis and Forecasting I. Introduction. A time series is a set of observations generated sequentially in time Continuous vs. discrete time series

798 views • 59 slides

Stanford CS223B Computer Vision, Winter 2005 Lecture 3 Filters and Features (with Matlab)

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Edward Jezisek Brandon Autrey Edward Nowlin Renato Ortega Group 2

Edward Jezisek Brandon Autrey Edward Nowlin Renato Ortega Group 2. Motivation. To improve the quality of ECG signals acquired from patients in an MRI environment ECG quality in MRI machines is lacking Current filter selection is confusing Current filters are imperfect

607 views • 48 slides

Math 3360: Mathematical Imaging

Math 3360: Mathematical Imaging. Lecture 11: Types of noises. Prof. Ronald Lok Ming Lui Department of Mathematics, The Chinese University of Hong Kong. Lecture 1: Introduction to Image Processing Lecture 2: Basic idea of image transformation

377 views • 36 slides

Math 3360: Mathematical Imaging

Math 3360: Mathematical Imaging. Lecture 12: Linear filtering. Prof. Ronald Lok Ming Lui Department of Mathematics, The Chinese University of Hong Kong. Linear filtering of a (2M+1)x(2N+1) image I (defined on [-M,M]x[-N,N]) = CONVOLUTION OF I and H H is called the filter .

319 views • 30 slides

Image Analysis

Image Analysis. Preprocessing Arithmetic and Logic Operations Spatial Filters Image Quantization. Arithmetic and Logic Operations. Arithmetic and logic operations are often applied a preprocessing steps in image analysis in order to combine images in various way.

630 views • 26 slides

RF Distortion Analysis for OFDM WLAN

RF Distortion Analysis for OFDM WLAN. S-72. 333 Postgraduate Course in Radio Communications Sylvain.ranvier@hut.fi. Sylvain Ranvier. Line out 1 Adaptive predistortion techniques 1.1 Predistortions algorithm for a cascade of HPA and linear filter

266 views • 26 slides

Neighborhood Processing

Neighborhood Processing. Digital Image Processing. Introduction. Mask moving (or convolution) A rectangle (usually with sides of odd length) or other shape over the given image. Mask & Overlapping Pixel Values. a 3X5 mask. corresponding pixel values. Spatial Filtering.

926 views • 22 slides

413 views • 22 slides

Digital Linear Filters

Digital Linear Filters. ??? (Roger Jang) jang@mirlab.org http://mirlab.org/jang ?????????? ???? ?????. Digital Linear Filters. Goal Sound effects: echo, reverberation Frequency-dependent manipulation: high-pass, low-pass, band-pass, etc. Implementation

211 views • 10 slides

Non-linear Filters

284 views • 10 slides