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Theodoros Giannakopoulos


Computational Intelligence Lab @ Demokritos . gr

40 total contributions since 2007

Theodoros Giannakopoulos received his diploma of Informatics and Telecommunications in the University of Athens (2002), M.Sc. of SIPS ("Signal and Image Processing Systems), organised by University of Patras (2004) and his PhD in the field of audio analysis (University of Athens, 2009).

He is currently a research associate in
- Computational Intelligence Laboratory (CIL) of the Institute of Informatics and Telecommunications (National Center for Scientific Research "DEMOKRITOS", Greece)
- the Dpt of Informatics and Telecommunications in the University of Athens .

WEB PAGE: http://www.di.uoa.gr/~tyiannak

Professional Interests: Signal Processing, Pattern recognition, audio classification, content-based multimedia indexing.

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Contributions in
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Linked


pyAudioAnalysis: A Python Audio Analysis Library
A wide range of audio analysis methods (feature extraction, classification, segmentation, etc)

1 month ago | 333 clicks |

Linked


Article on pyAudioAnalysis (An Open-Source Python Library for Audio Signal Analysis)
A PlosOne Paper on pyAudioAnalysis (An Open-Source Python Library for Audio Signal Analysis)

11 months ago | 4 clicks |

Answered
fft on samples of an audio file in matlab
Check out <http://www.mathworks.com/matlabcentral/fileexchange/45831-matlab-audio-analysis-library this code> from the content o...

2 years ago | 0

Answered
can anyone help me in writing code for FFT of audio signal in real time and plot it's graph ?
You can either use the Data Acquisition Toolbox or the audiorecorder function. Check the examples in script3.m and script4.m of ...

2 years ago | 0

Submitted


Real Time Microphone and Camera data acquisition and audio-video processing
This Matlab-code is a demo for real-time audio and image processing.

2 years ago | 49 downloads |

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Some Basic Audio Features
Use the provided m-files for computing the features of an audio classification problem

2 years ago | 76 downloads |

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Submitted


Silence removal in speech signals
A simple method for silence removal in speech streams

2 years ago | 73 downloads |

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Submitted


Matlab Audio Analysis Library
Companion material for the book "Introduction to Audio Analysis, A MATLAB approach"

2 years ago | 166 downloads |

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Submitted


Image Processing GUI
A simple GUI with basic image processing functionalities.

4 years ago | 73 downloads |

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Submitted


Generate report of .m files in html table
Generates a report of the m-files in a given directory. Results are stored in an html file.

8 years ago | 1 downloads |

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Posted


Manual Speech Emotion Annotation
Hi everybody. We are working on emotion classification of speech from movies. In order to built a new dataset of manually annota...

8 years ago | 1497 views

Posted


http://www.pattern-recognition.info/forum
A new forum on Theory and Applications of PATTERN RECOGNITION has just been created. It covers a wide range of pattern recogniti...

8 years ago | 2428 views

Submitted


Image retrieval - Query by Example Demo
This demo provides a simple query by image example method, based on HSV values.

8 years ago | 42 downloads |

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Submitted


Generate Animated GIF Files for Plotting Audio Data
This m-file generates a animated GIF file that visualizes audio data.

8 years ago | 9 downloads |

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Submitted


Audio Filter GUI DEMO
This demo provides a simple GUI for basic filtering of audio data.

8 years ago | 31 downloads |

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Submitted


Histogram-based class separability measure
The provided functions demonstrate a histogram-based measure for class separability, given the sampl

9 years ago | 11 downloads |

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Submitted


Generate HTML Table with thumbnails from jpg images
Creates an html table that contains the thumbnails (and links) of the jpg images of a whole director

9 years ago | 1 downloads |

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Submitted


Color Detection Using HSV Color Space (Training and Testing)
The provided Matlab functions demonstrate a simple method for training and testing a color detection

9 years ago | 58 downloads |

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Posted


Record Data From Mic
Gus " <lottg.nospam@janelia.hhmi.org> wrote in message Thanx alot for your answer. I tried specifying the number of samples, bu...

9 years ago | 4502 views

Posted


Record Data From Mic
Hi everyone. I am trying to record audio data from soundcard input using Matlab. I have to notice that I don't simply want to re...

9 years ago | 4502 views

Submitted


Manual Audio Annotation
AudioAnnotation Demo v.1.0 is an open source demo implemented in Matlab(R) for manual segmentation a

9 years ago | 8 downloads |

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Responded


Re: wavread - out of range
Pedro Villena" <pedro.villena.nospam@ieee.org> wrote in message <fhd6kq$e2n$1@fred.mathworks.com>... Hi. This has never occured...

9 years ago | 1004 views

Responded


Re: calculate average
Hi. If I got right what you want, the following code will accomplice that in Matlab: i1 = 0; i2 = 5; count = 0; % while the en...

9 years ago | 1949 views

Responded


Re: how to load speech in Matlab from a recorded .wav file
greggy vale" <greggy86@breakthru.com> wrote in message Hi. In very simple words: In order to read 'a.wav' file: [x,fs,Nbits] =...

9 years ago | 10693 views

Responded


Re: ginput hangs other functions
Hi. Can you post some code, so that you give us more details? ginput() has to be called once, (ginput(1)) when used inside a loo...

9 years ago | 1738 views

Responded


Re: black and white surface graphs
Slide <wdflannery@aol.com> wrote in message created using the with no color Hi. If I get your question right, you will have to ...

9 years ago | 11763 views

Posted


Multi-class audio segmentation - classification and Violence detection
Hi everyone. In addition to my previous message (http://www.mathworks.com/matlabcentral/newsreader/view_thread/155761) regardin...

9 years ago | 1478 views

Responded


Re: Matlab Audio Segmentation - Classification Tools
Walter Roberson" <roberson@ibd.nrc-cnrc.gc.ca> wrote in message <fc16hu$bmt$1@fred.mathworks.com>... Thanx for the comment. The...

9 years ago | 13947 views

Responded


Re: Sharing daat between callbacks
Hi again. Can you post your code of the whole callback? I've seen this message when I've (by mistake) called the callback functi...

9 years ago | 4692 views

Responded


Re: Sharing daat between callbacks
Tom " <iamgoggs@hotmail.com> wrote in message Hi there! First of all, your code has a different error than the one you give: ?...

9 years ago | 4692 views

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