Animations

On this page you find several applets simulating aspects of the lectures Computer Networks and Multimedia Technology of the Department of Applied Computer Science IV in the University of Mannheim. All these applets have been developed by students. We would be happy to hear your feedback for these applets. Please contact liebig(at)pi4.informatik.uni-mannheim.de with any comments.

 

This site uses JavaTM technology. If you encounter any problems displaying the java applets please check the external java.com test page. Want to learn more about JavaTM? Here is an external link to some additional information.

Remember, if you download software from this site, you are bound by the usage disclaimer!

Name: AVL tree Author: Axel Semling
Context: Sorting algorithms
Miscellaneous:
Thesis (html)
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: CD Error Author: Barbara Herzog & Manuela Mnich - Mail: barbaraherzog(at)gmx.de
Context: Tutoring-system
Description: Java-based tutoring-system about elementary error detection, and error correction
Miscellaneous:
Thesis (pdf)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Congestion Control Author: Christine Kapp - Mail: chkapp(at)uni-mannheim.de
Context: Congestion Control
Miscellaneous:
Documentation can be found in the html-site of the applet.
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: 2-dimensional DCT Author: Holger Wons - Mail: holwo(at)web.de
Context: Mathematical algorithms used in compression standards
Description: The applet visualizes the 2-D Discrete Cosine Transform (DCT) used in compression standards for Internet applications, e.g. JPEG.
Miscellaneous:
Documentation can be found in the html-site of the applet and can be downloaded.
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: 1-dimensional DCT and DFT Author: Holger Wons - Mail: holwo(at)web.de
Context: Mathematical algorithms used in compression standards
Description: The applet visualizes the 1-D Discrete Cosine Transform (DCT) used in compression standards for Internet applications as well as the 1-D Discrete Fourier Transform (DFT).
Miscellaneous:
Documentation can be found in the html-site of the applet and can be downloaded.
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: CSMA/CD Author: Jochen Becher
Context: Local Area Networks / Media Access Control
Miscellaneous:
Thesis (tex)
Thesis (postscript)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: FDDI Author: Stephan Willmanns
Context: Local Area Networks / Media Access Control
Miscellaneous:
Thesis (html)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: FISCADI Author: Katrin Heineken - Mail: Baby-Genial(at)t-online.de
Context: Tutoring Program
Miscellaneous:
Documentation can be found in the html-site of the applet.
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Flow Control Author: Joerg Bernauer
Context: Data Link Layer
Miscellaneous:
Appletmanual (html)
Thesis (html)
Thesis (postscript)
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Fourier Transformation Author: Christiane Adler - Mail: Chris.Adler(at)web.de
Context: Fourier Transformation
Miscellaneous:
Documentation can be found in the html-site of the applet.
Thesis (pdf)
Thesis (doc)
Java-Dokumentation
Sourcefiles
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Name: Hot Potatoe Algorithm Author: Didier Gutacker
Context: Routing
Miscellaneous:
RIP & Hot-Potatoe Documentation
Java-Dokumentation
Sourcefiles
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Name: The Hough Transform Author: Dirk Farin - Mail: farin(at)informatik.uni-mannheim.de
Context: Hough transform technique
Miscellaneous:
Documentation can be found in the html-site of the applet.
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Image Compression Algorithms Author: Corinna Dietrich - Mail: cori13(at)rumms.uni-mannheim.de
Context: Image Compression
Description:
  • Block Truncation Code for gray scaled images
  • Color Cell Compression for color images
  • Extended Color Cell Compression which uses recursion to define fields of relevance
Miscellaneous:
Documentation can be found in the html-site of the applet and can be downloaded.
Thesis (Postscript)
Thesis (PDF)
Thesis (Doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: JPEG-Quantisierung Author: Holger Wons - Mail: holwo(at)web.de
Context: Still image compression standard JPEG
Miscellaneous:
Work still in progress.
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Leitungskodierung Author: Sasan Safai
Context: Tutoring-system
Miscellaneous:
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Algorithms for Lossless Compression Author: Oliver Schmid - Mail: celtic.dragon(at)gmx.de
Context: Compression
Description:
  • Huffmann Encoding
  • Lempel-Ziv-Welch Encoding
  • Arithmetic Encoding
Miscellaneous:
Thesis (pdf)
Thesis (postscript)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: MotionEstimation Author: Holger Peinsipp
Context: Block-Matching Motion
Description: Demonstration Of Block-Matching Motion- Estimation Algorithms
Miscellaneous:
Paper
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Multiscale Analysis and Convolution-based Wavelet Filtering Author: Julia Schneider - Mail: juletrule(at)gmx.de
Context: Wavelet Transform
Description: The Wavelet Transform:
  • A demonstration of the multiscale analysis with the dilation and translation parameters.
  • A demonstration of convolution-based wavelet filtering with the Haar, respectively, the Daubechies-2 filter banks.
Miscellaneous:
Thesis (PDF)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Reverse Path Multicasting Author: Arnd Goebel
Context: Routing
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Multicast LAN/WAN Author: Joerg Widmer
Context: Routing
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: PI4MP Author: Marc Hermann
Context: Flooding, RPB, PIM SM
Miscellaneous:
Thesis (pdf)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: RIP / DVMRP Author: Didier Gutacker/Robert Denda
Context: Routing
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Image Segmentation Author: Susanne Krabbe
Context: Image segmentation algorithms
Description: Image segmentation algorithms: edge detection and texture detection.
Miscellaneous:
Documentation included in the applet as well as an applet-external documentation accessible via html-site.
Thesis (postscript)
Thesis (pdf)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
View Applet
Name: Shortest-Path/ Multiple Path, Backward Learning Author: Peter Staengle
Context: Routing
Miscellaneous:
Online documentation
Thesis (doc)
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Shortest Path Author: Markus Egenberger - Mail: markus.stefan.egenberger(at)sap.com
Context: Rechnernetze
Description: Dijkstra algorithm
Miscellaneous:
Help-File
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Token Ring Author: Lidia Konurov
Context: Token Ring Standards 802.5
Description: Uebungsapplet zur Vertiefung des Token Ring Standards 802.5
Miscellaneous:
OnlineHilfe
Document
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Token Ring Author: Oliver Schuster
Context: Local Area Networks / Media Access Control
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
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Name: Wavelet Transform on Still Images Author: Christoph Esser - Mail: Christoph.Esser(at)gmx.net
Context: Wavelet Transform on Still Images
Description: Wavelet Transform on Still Images. A demonstration of analysis and synthesis (with quantization) on a selected source image.
Miscellaneous:
Documentation included in the applet as well as an applet-external documentation accessible via html-site.
Java-Dokumentation
Sourcefiles
Appletfiles (view applet offline)
View Applet
Name: XTD-Simulation Author:
Context: Protocol Engineering
Description: XDT provides a connection oriented data transmission service, that can be used for transmitting large amounts of data.
Miscellaneous: Download offline version here (external link).
Project homepage http://www.protocol-engineering.tu-cottbus.de/
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Name: B-Trees Author: AIFB (Uni Karlsruhe)
Context: Data structure
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Name: Wavelet-Theory Author: Wim Sweldens (external)
Context: Wavelet Analysis
Description: The applet visualizes the different categories of wavelets and the corresponding scaling functions -- Haar, Linear, Spline, Daubechies etc.
With kind permission of Wim Sweldens, Bell Labs.
Miscellaneous: Documentation can be found in the html-site of the applet.

 Robert Schiele <rschiele(at)gmail.com>