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16 repositories

signal-adm
Public
Adaptive delta modulation (ADM) is a modification of delta modulation (DM) in which the step size is not fixed.
MATLAB
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MIT License
•0•4•0•0•Updated Dec 13, 2020Dec 13, 2020
signal-dm
Public
A delta modulation (DM or Δ-modulation) is an analog-to-digital and digital-to-analog signal conversion technique used for transmission of voice information where quality is not of primary importance.
MATLAB
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MIT License
•0•1•0•0•Updated Dec 13, 2020Dec 13, 2020
signal-dpcm
Public
Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based on the prediction of the samples of the signal.
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
signal-pcm
Public
Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals.
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
video-histogram-equalization
Public
Histogram equalization is a method in image processing of contrast adjustment using its histogram.
processing laboratory image video digital histogram webcam equalization
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-compress-rle
Public
Run Length Encoding (RLE) is a compression scheme, where repeated values are replaced with a pair of count and value.
processing laboratory encoding image compression digital run length rle
MATLAB
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MIT License
•1•1•0•0•Updated Dec 13, 2020Dec 13, 2020
image-histogram-equalization
Public
Histogram equalization is a method in image processing of contrast adjustment using its histogram.
processing laboratory image digital histogram contrast equalization adjustment
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-transform
Public
An image transform applies a function to each pixel of an image, individually.
processing law laboratory image digital power transform negative logarithmic
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-smoothing
Public
Smoothing is often used to reduce noise within an image or to produce a less pixelated image.
processing laboratory image digital filter gaussian smoothing pass ideal low
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-histogram
Public
An image histogram acts as a graphical representation of the tonal distribution in a digital image.
processing laboratory image digital histogram
MATLAB
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MIT License
•0•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-homomorphic-filter
Public
Homomorphic filtering is a generalized technique for signal and image processing, involving a nonlinear mapping to a different domain in which linear filter techniques are applied, followed by mapping back to the original domain.
processing laboratory frequency image digital filter domain homomorphic
MATLAB
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MIT License
•1•0•0•0•Updated Dec 13, 2020Dec 13, 2020
image-denoise
Public
Image denoising is to remove noise from a noisy image, so as to restore the true image.
processing laboratory image digital salt gaussian noise pepper speckle denoise
MATLAB
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MIT License
•0•2•0•0•Updated Dec 13, 2020Dec 13, 2020
image-bit-planes
Public
A gray-scale image has 8 bit planes, each made of ith bit of every pixel.
processing laboratory image plane digital bit
MATLAB
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MIT License
•0•1•0•0•Updated Dec 13, 2020Dec 13, 2020
channel-fading
Public
In wireless systems, channel fading may either be due to multipath propagation, weather (rain), or shadowing from obstacles.
MATLAB
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MIT License
•1•2•0•0•Updated Dec 13, 2020Dec 13, 2020
number-base-conversion
Public
Base conversion is a method of changing the representation of a number from one set of symbols to another.
digital electronics number flowchart base program conversion
MATLAB
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MIT License
•0•0•0•0•Updated Dec 12, 2020Dec 12, 2020
video-process
Public
Apply standard image processing algorithms to web camera video, in MATLAB.
MATLAB
•0•0•0•0•Updated Jan 31, 2015Jan 31, 2015