Page title matches

  • =='''INTERPLAY OF IMAGES AND FILTERS''' == ...did images look so bright? Until Professor Boutin introduced the topic of "Filters" in her ece 438 class,i had never thought of images the way i do now,before
    3 KB (426 words) - 06:03, 14 October 2009
  • %%%%%%%%%%%%%%%%%%%%%%%%%%% CODE FOR THE AVERAGE & EDGE DETECTOR FILTERS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    787 B (108 words) - 06:06, 14 October 2009
  • This page will explore the use of some non-linear filters for face-enhancement, such as the Perona-Malik filter that preserve sharpne
    235 B (33 words) - 22:21, 6 December 2009
  • 2 KB (316 words) - 00:15, 30 November 2015
  • == ''' Digital Filters: An Introduction ''' == ...filters over analog ones is that digital filters can satisfy criteria for filters far better than analog ones. This slecture hopes to share characteristics i
    6 KB (897 words) - 16:44, 7 December 2017

Page text matches

  • :"Designing Perceptually-Based Image Filters in the Modulation Domain"
    5 KB (656 words) - 14:36, 4 May 2011
  • [[Category: Filters]] ==Types of Filters==
    462 B (55 words) - 17:27, 23 April 2013
  • ==[[ECE 301 Fall 2007 mboutin Filter Types|Types of Filters]]==
    264 B (30 words) - 13:07, 9 December 2008
  • ...frequency of a filter (<math>\omega_c > 0</math>). (For instance, lowpass filters are nonzero in the range <math>\omega \in [-\omega_c, \omega_c]</math>.)
    2 KB (406 words) - 11:08, 12 November 2010
  • ...438_Fall_2009_mboutin_plotCSFTofbasicfilters|Plot of CSFT of some basic 2D filters]]
    7 KB (1,067 words) - 12:05, 25 June 2010
  • ...of signals and systems. They are of special importance when implementing filters. These equations are of the form:
    2 KB (401 words) - 17:16, 21 April 2013
  • ...frequency of a filter (<math>\omega_c > 0</math>). (For instance, lowpass filters are nonzero in the range <math>\omega \in [-\omega_c, \omega_c]</math>.)
    1 KB (178 words) - 19:31, 23 November 2008
  • ...continuous time filters (represented in Laplace space) into discrete time filters (represented in z space), and vice versa. To do this, you can use the follo
    3 KB (537 words) - 17:27, 3 December 2008
  • I was just wondering how people are implimenting the filters. It seems that you need a 2D convolution function. So you can take the 2d f
    10 KB (1,738 words) - 22:44, 7 April 2008
  • * DT implementation of CT systems/filters
    5 KB (643 words) - 11:55, 6 August 2009
  • * [[DT implementation of CT filters]]
    1 KB (118 words) - 01:11, 30 July 2009
  • * Of course, filters are not ideal in the real world, and instead of a constant A in the pass-ba ==Filters in MATLAB==
    7 KB (1,251 words) - 11:54, 21 September 2012
  • ...d signal must be quanitized before discretization. This is because digital filters are limited in what numbers they can represent. This depends on the number ...periodic with respect to <math>2\pi</math>. This is because discrete time filters are periodic with respect to <math>2\pi</math>. The reason can be seen belo
    8 KB (1,452 words) - 06:49, 16 September 2013
  • The problem with analog low pass filters is that higher the order, the more resistors, capacitors, and op-amps are r
    5 KB (840 words) - 19:08, 22 September 2009
  • =='''INTERPLAY OF IMAGES AND FILTERS''' == ...did images look so bright? Until Professor Boutin introduced the topic of "Filters" in her ece 438 class,i had never thought of images the way i do now,before
    3 KB (426 words) - 06:03, 14 October 2009
  • %%%%%%%%%%%%%%%%%%%%%%%%%%%% CODE FOR THE AVERAGE & EDGE DETECTOR FILTERS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    782 B (107 words) - 06:01, 14 October 2009
  • %%%%%%%%%%%%%%%%%%%%%%%%%%% CODE FOR THE AVERAGE & EDGE DETECTOR FILTERS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    787 B (108 words) - 06:06, 14 October 2009
  • ...FFT of Lena looks like.</u></big><br><br> We will look at some simple 3X3 filters that are then convolved with the original image to create a filtered image. <big><u>Let's look at a few other filters briefly:</u></big>
    8 KB (1,397 words) - 11:23, 18 March 2013
  • =DSFT of some basic filters=
    1 KB (163 words) - 12:50, 26 November 2014
  • This page will explore the use of some non-linear filters for face-enhancement, such as the Perona-Malik filter that preserve sharpne
    235 B (33 words) - 22:21, 6 December 2009
  • ...of things to create a digital sound, modification of images and designing filters,to name a few.Lectures are little difficult to understand,but if one pays a ...al applications. For example we would learn the math behind digital image filters in class, then in lab we would apply them to real digital images in MATLAB
    17 KB (3,004 words) - 08:11, 15 December 2011
  • ...ets of a fixed number of samples. These frames are sent through a bank of filters which divide the original frequency spectrum of the signal into 32 sub-band
    6 KB (1,003 words) - 14:33, 11 December 2009
  • ...nderstanding of boundary conditions, and examples of linear and non-linear filters. Examples of Image Filters:
    5 KB (811 words) - 16:19, 19 December 2009
  • ...k that I did, incorporated the understanding of average and edge detecting filters which I got to know in details in ECE 438.
    2 KB (296 words) - 12:59, 16 April 2010
  • ...k that I did, incorporated the understanding of average and edge detecting filters which I got to know in details in ECE 438.<br><br>
    2 KB (299 words) - 14:54, 16 April 2010
  • 1 –Image Processing: Morphology, Filters, Color, Shape
    2 KB (279 words) - 10:11, 10 August 2010
  • ...g of continuous-time signals. Discrete-time nonlinear systems: median-type filters, threshold decomposition. System design examples such as the compact disc p
    3 KB (394 words) - 07:08, 4 May 2010
  • <br> It's a pretty cool filter!!!And pretty effective too: a lot of filters have too many side rings that cause a distortion in the signal when the sig <br> We then created a whole set of low pass filters with <math> \omega = \frac{i }{N}2\pi </math> , &nbsp; for <math>i \in \{ 0
    13 KB (2,348 words) - 13:25, 2 December 2011
  • *[[ECE_438_Fall_2009_mboutin_plotCSFTofbasicfilters|Plot of some basic image filters]]
    9 KB (1,221 words) - 11:00, 22 December 2014
  • ...filer with band-pass characteristics (Filter B). The behavior of these two filters will be further studied when we return from Fall Break. Enjoy your time off
    867 B (122 words) - 16:21, 8 October 2010
  • Today in the lecture, we continued talking about filters and filter design using the transfer function. It seems like many students
    1 KB (174 words) - 03:53, 21 October 2010
  • ...peat periodically every <math>2 \pi</math> when considering discrete-time filters.
    2 KB (260 words) - 12:42, 22 October 2010
  • ...ive outputs of these two systems as the inputs to a pair of length two FIR filters with impulse response, g1[n] and g2[n] respectively, as shown in the diagra That is, determine length-2 FIR filters g1[n] and g2[n] so that output is the input delayed by one (for any input).
    3 KB (479 words) - 10:42, 11 November 2011
  • a. Note that systems g1 and g2 are Length-2 FIR filters which are of the form –
    4 KB (643 words) - 04:31, 1 November 2010
  • Q4. Given the impulse response, compute the transfer function of filters.
    3 KB (462 words) - 10:42, 11 November 2011
  • *[[ECE_438_Fall_2009_mboutin_plotCSFTofbasicfilters|Plot of some basic image filters]]
    808 B (107 words) - 10:56, 29 November 2010
  • ...from Vuvuzelas, we need to implement a couple of high frequency band-stop filters. The audio signal will go through the filters connected in series and the output will be a much better audio signal with
    3 KB (409 words) - 08:53, 11 November 2013
  • *[[ECE_301_Fall_2007_mboutin_Filter_Types|Types of filters]]
    6 KB (818 words) - 06:12, 16 September 2013
  • ...CE 301 Bouton Notes|sampling and conversion between CT/DT signals]]. &nbsp;Filters are also used to sort the main trend of the signal from the noise (common i ...on the changes and only stimulate when necessary. &nbsp;This work requires filters for the biological signals as well systems to interpret these signals. &nbs
    17 KB (2,368 words) - 10:53, 6 May 2012
  • ...approximation of an ideal filter, we moved on to another way of designing filters in today's lecture. More specifically, we saw how one could shift and windo
    1 KB (164 words) - 06:30, 11 September 2013
  • ...ilter is not separable, we were able to write it as a sum of two separable filters.
    2 KB (213 words) - 06:32, 11 September 2013
  • Today we studied more filters. In particular, we saw how to sharpen using an unsharp mark. *[[ECE_438_Fall_2009_mboutin_plotCSFTofbasicfilters|plot of the filters I discussed in class]]
    1 KB (163 words) - 06:32, 11 September 2013
  • *[[ECE_438_Fall_2009_mboutin_plotCSFTofbasicfilters|plot of the filters I discussed in class]]
    1 KB (157 words) - 06:33, 11 September 2013
  • Therefore the filter can be separate into two 1-D filters.
    3 KB (355 words) - 13:42, 4 December 2011
  • ...inter-recalibration can further benefit from probabilistic noise-reducing filters such as the Bayesian or Kalman filter.
    8 KB (1,176 words) - 15:15, 1 May 2016
  • '''3.Filters'''
    1 KB (174 words) - 11:34, 11 March 2013
  • ** 2-D Filters
    2 KB (246 words) - 07:21, 26 February 2014
  • I was just wondering how people are implimenting the filters. It seems that you need a 2D convolution function. So you can take the 2d f
    10 KB (1,756 words) - 08:05, 9 April 2013
  • ::↳ 2-D Filters
    2 KB (278 words) - 07:26, 26 February 2014
  • ::↳ 2-D Filters
    10 KB (1,726 words) - 07:26, 26 February 2014
  • 1. Use the signal generators and filters in the lab to generate and filter noise and various types of periodic signa
    14 KB (2,228 words) - 12:03, 15 January 2014
  • We need a high pass filter that filters our everything below 60 Hz.
    6 KB (1,018 words) - 12:18, 30 September 2013
  • *[[ECE_438_Fall_2009_mboutin_plotCSFTofbasicfilters|Plot of some basic image filters]]
    4 KB (471 words) - 19:34, 9 February 2015
  • ...pling, or comparison with a threshold in your design, precisely define all filters, sampling times, and threshold values. ...pling, or comparison with a threshold in your design, precisely define all filters, sampling times, and threshold values.
    15 KB (2,507 words) - 01:05, 5 November 2013
  • ...pling, or comparison with a threshold in your design, precisely define all filters, sampling times, and threshold values. ...pling, or comparison with a threshold in your design, precisely define all filters, sampling times, and threshold values.
    17 KB (2,710 words) - 10:07, 5 November 2013
  • ...ilter is not separable, we were able to write it as a sum of two separable filters. ...E_438_Fall_2009_mboutin_plotCSFTofbasicfilters|Plot of CSFT of basic image filters]].
    3 KB (367 words) - 07:27, 15 November 2013
  • ...9_mboutin_plotCSFTofbasicfilters|Plot of frequency response of basic image filters]]
    2 KB (240 words) - 07:14, 22 November 2013
  • Therefore the filter can be separate into two 1-D filters.
    4 KB (518 words) - 00:11, 11 December 2013
  • ...tering at this point, so let's apply a filter to the centroids matrix that filters out any sets of centroids that do not appear in at least 5 consecutive fram
    11 KB (1,762 words) - 09:42, 13 February 2014
  • We need a high pass filter that filters out signals below the frequency 60Hz.
    3 KB (564 words) - 06:24, 10 October 2014
  • ...9_mboutin_plotCSFTofbasicfilters|Plot of frequency response of basic image filters]]
    2 KB (246 words) - 12:37, 1 December 2014
  • Therefore the filter can be decomposed to two 1-D filters. Therefore the filter can be separated into two 1-D filters.
    10 KB (1,181 words) - 16:07, 2 December 2014
  • *Frequency response (filters)
    8 KB (1,126 words) - 11:37, 8 May 2015
  • ...By changing the number of samples used (window length) we can develop such filters that<br /> the Quality index is constant, Constant Q Transform!
    4 KB (655 words) - 23:26, 22 November 2015
  • Therefore the filter can be decomposed to two 1-D filters. Therefore the filter can be separated into two 1-D filters.
    10 KB (1,157 words) - 22:56, 2 December 2015
  • ...e, a process called Gaussian smoothing. Laplacian filters being derivative filters, are sensitive to noise and thus this process comes in handy, although it r
    2 KB (258 words) - 04:20, 28 November 2016
  • | [[Digital Filters: An Overview on Design Points and Considerations]]
    3 KB (421 words) - 16:18, 10 December 2017
  • The image below is when the two filters results are added together to create an accurate representation of all of t
    7 KB (1,184 words) - 20:31, 23 April 2017
  • ...nd cutoff values to achieve the exact filter response desired. Very simple filters, such as the HPF and LPF discussed in 438 are critical to achieve a particu When using four or more filters on my modern computer, the computing experience begins to get umbearable as
    6 KB (1,048 words) - 16:58, 24 April 2017
  • ...ted to only adjusting your picture brightness and contrast, and apply some filters to it before you upload it to your Instagram. NO! It’s far more than that
    5 KB (799 words) - 20:12, 9 December 2017
  • ...ted to only adjusting your picture brightness and contrast, and apply some filters to it before you upload it to your Instagram. NO! It’s far more than that
    5 KB (799 words) - 00:59, 4 December 2017
  • == ''' Digital Filters: An Introduction ''' == ...filters over analog ones is that digital filters can satisfy criteria for filters far better than analog ones. This slecture hopes to share characteristics i
    6 KB (897 words) - 16:44, 7 December 2017
  • ...s; design of finite impulse response and infinite impulse response digital filters; processing of random signals. Speech processing; vocal tract models and ch
    12 KB (1,702 words) - 20:48, 9 April 2018
  • ...he intensity at different frequency, it can be extremely useful when using filters. For example, when receiving a signal from FM radio, it is very hard to det
    3 KB (555 words) - 22:02, 2 December 2018
  • ...ilters, <math>h_0[n]</math> and <math>h_1[n]</math>, and the two synthesis filters, <math>f_0[n]</math> and <math>f_1[n]</math>,form a Quadrature Mirror Filte
    4 KB (738 words) - 15:34, 19 February 2019
  • ...w pass filter is two-fold. Firstly, it is one of the simpler (and popular) filters to implement at this scale. Secondly, the low-pass filter is versatile enou Traditionally, low pass filters have been used on images taken in space to smoothen out noise from sharp li
    7 KB (1,006 words) - 19:22, 7 April 2019
  • ...l let you analyze visual Fourier Transforms, intelligently apply frequency filters, and gain a better understanding of some of the many applications of this t Congratulations! You just applied Fourier Transforms and filters to real-world applications! If you want, go ahead and try recording your vo
    6 KB (1,077 words) - 20:29, 7 April 2019
  • ...ff frequency of <math>\frac{1}{2T_2}</math> for <math>x_2[n]</math>. These filters ensure that no aliasing occurs during the initial sampling of <math>x(t)</m
    16 KB (2,611 words) - 14:11, 12 November 2019
  • be used to draw conclusions about LTI systems and digital filters. This topic assumes some basic knowledge of the z-transform and signal proc ==Z Transform and Digital Filters==
    6 KB (1,040 words) - 00:57, 2 December 2019
  • Different filters have different usages: they can be used to smooth images, sharpening images ...n probably is the most widely known edge detection method. The process and filters are shown below:
    4 KB (624 words) - 09:11, 6 December 2019
  • ...hese could be used in class demonstrations to describe how the vocal tract filters input signals.
    5 KB (849 words) - 02:10, 10 December 2019
  • ...ses, bandwidth is limited by filters, such as the one in a car radio, that filters out frequencies that are not very close to, say, 104.5 Megahertz. In the im
    4 KB (707 words) - 23:06, 6 December 2020
  • ...g can be prevented with a variety of anti-aliasing tools, such as low-pass filters that filter out high frequencies.
    3 KB (444 words) - 23:32, 6 December 2020
  • ...y techniques have been created to reconstruct images. These reconstruction filters enable the restoration of some data in images. An example of reverse aliasi
    4 KB (610 words) - 00:55, 7 December 2020

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Alumni Liaison

Followed her dream after having raised her family.

Ruth Enoch, PhD Mathematics