Rank: 1931 based on 76 downloads (last 30 days) and 2 files submitted
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Anna DB

E-mail
Company/University
Seconda Università degli Studi di Napoli (SUN)
Lat/Long
41.1095085144043, 14.20903396606445

Personal Profile:
Professional Interests:
computer engineering, signal processing, image and sound processing, automatic controls

 

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Files Posted by Anna DB View all
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(last 30 days)
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12 Nov 2010 Screenshot JPEG compression A program in order to see how the JPEG method works. Author: Anna DB image processing, signal processing, cosine transform, jpg, jpeg, lenna 37 7
  • 4.5
4.5 | 6 ratings
12 Nov 2010 Screenshot DTMF tones detection A simple frequency analysis-based software in order to detect DTMF tones. Author: Anna DB sound processing, signal processing, fft, fast fourier transfor..., dirac delta function, dtmf 39 1
  • 4.5
4.5 | 2 ratings
Comments and Ratings by Anna DB View all
Updated File Comments Rating
22 Dec 2011 A christmas tree plot A Small piece of code that constructs a coloured christmas tree with some presents and snow. Author: Anselm

so niceeeeeeeeee :D merry christmas!!!

28 Aug 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB

in this line you are declaring an inline function where the independent variable is "x". If i remember well you should call it writing fun(par) where par is your value, in this case a vector i suppose, because the formula looks like a matricial factorization.
the function will calculate T*par*T' :)

13 Nov 2010 Simple Exemple of Arithmetic Coding It calculate the arithmetic code of a string of char, subject to an alphabet "A" Author: Francesco Pizzo

10 Nov 2010 Exemple of Lempel Ziv Coding A function that codes a string of chars with Lempel Ziv coding Author: Francesco Pizzo

nice! waiting for the decoder code :)

10 Nov 2010 Exemple of Lempel Ziv Coding A function that codes a string of chars with Lempel Ziv coding Author: Francesco Pizzo

Comments and Ratings on Anna DB's Files View all
Updated File Comment by Comments Rating
30 Dec 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB elhaddad, mahmoud

very good anna db
but
how can decoding this??

27 Nov 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB Semechko, Anton

Could be useful if the code was commented in English

28 Aug 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB Anna DB

in this line you are declaring an inline function where the independent variable is "x". If i remember well you should call it writing fun(par) where par is your value, in this case a vector i suppose, because the formula looks like a matricial factorization.
the function will calculate T*par*T' :)

01 Jun 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB krist

Thanks Anna DB.
Anyone tell me what this command do

fun=@(x)(T*x*T');

I'm newbie on Matlab and I need to understand this code...

23 May 2011 JPEG compression A program in order to see how the JPEG method works. Author: Anna DB Sharma, Anil

good

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