Budhaditya Saha
Lecturer by Research
School of Information Technology
Geelong, Victoria VIC 3216
                               
 Reserach Interest (Short):
 1. Data Mining (text and video data )
 2. Machine Learning
 3. Statistical Signal Processing
 4. Compressed Sensing
 5. Computer Vision
 
Work Profile:
1. Codec Software Engineer : FastVdo RMC Ltd. Bangalore. ( 2005-2006)
Responsibilities : Developing signal processing application, Implementaing scalable multimedia codecs ( H.264, MPEG4 and AAC, MP3, AC3).
 
2. Research Fellow: Institute of Multi sensor processing and content analysis(IMPCA).Department of Computing, Curtin University, Perth WA 6152. (2010 - 2011).  Responsibilities:  Anomaly detection in video data, novelty detection in multi-channel text streams, Topic modelling etc.
 
Education:
1. Bachelor in Electrical Engineering From Jadavpur University , Kolkata , India.
2. Master of Technology - (Satellite Technology and Application)-From Indian Institute of Science , Bangalore , India.
3. PhD in Computer Sc: (Curtin University, Perth, WA).
 

Published work:

1. Budhaditya Saha, M. Lazarescu and S.Venkatesh. " Infrequent Item Mining in Multiple Data Stream" Published  in DSMM Workshop, IEEE International Conference in Data Mining (ICDM) Nebraska, USA 2007.

2. Budhaditya Saha, Duc Son Pham,  M. Lazarescu and S.Venkatesh, " Effective Anomaly detection in Sensor Network Data Streams,  In Proceedings of IEEE International Conference in Data Mining (ICDM), Miami , Florida, 2009.

3. Duc Son Pham,  Budhaditya Saha, Dinh Phung and S.Venkatesh, Detection of Cross Channel Anomalies from Multiple Data Channels. In Proceedings of IEEE International Conference in Data Mining (ICDM), Vancouver, Canada, 2011.
 
4.  Duc Son Pham,  Budhaditya Saha, Dinh Phung and S.Venkatesh, Improved Subspace Clustering via Exploitation of Spatial Constraints. In Proceedings of IEEE  Computer Vision and Pattern Recognition (CVPR),  Providence, Rhodes Island  2012.
 
5. Duc Son Pham,  Budhaditya Saha, Dinh Phung and S.Venkatesh, Detection of Cross Channel Anomalies . In Knowledge and Information Systems (KAIS) 2012.  ( Accepted for Publication ). 
 
Patent:  Anomaly detection in video data (2010) : Budhaditya Saha, Duc-son Pham, Mihai Lazarescu, Svetha Venkatesh. Australia Patent application, Number: 2009901406/2009905937.
 
Commercialization The Anomaly detection project is in the early stage of commercialization with a new company called iCetana Private Ltd. is formed.
 
Thesis :
1. Design of solid state relay for automatic signaling system in train lines. (Under Graduate).
2. Real Time implementation of MPEG-4 and H.264 video and AAC audio codec in Linux platform (Post Graduate). 
3. Anomaly Detection in Large Scale Data streams. Budhaditya Saha (2010). (Doctoral Gradualte)

Research Interest (Details):

Data Mining  (that includes mainly video data mining and Text data mining).

Machine Learning: (Interested in Graphical Modelling and Bayesian Network)

Compressed Sensing and Sparse Learning Theory.  (nonlinear optimization)

Scalable Matrix Factorizations and Subspace Learning.  For ex:  PCA, SVD,  NMF,  Sparse PCA, Probabilistic Matrix Factorizations ,  nonlinear subspace learning, Subspace approximation, Subspace Tracking , Sampling theory and Dimensionality reduction, Massive Data stream computation, Matrix decomposition and approximation  

Minor: Data Compression , Discrete Mathematics , Linear Algebra.

Major Coursework taken in UG and PG: (Related to work)                  
Credited :
Digital Signal Processing, Computer Vision, Multimedia System, Linear Algebra  Probability Theory, DSP Architecture, Communication protocol, Real Time system ,Satellite Communication, Microprocessor architecture, Control System   Digital Control System
.               
Audited:
Data Structure and Algorithms, Image Processing, Programming technique and scripting languages 

Coursework taken (Not related to work) Launch Vehicle  and propulsion  system, Space dynamics, Satellite  Architecture , Satellite Design, Remote Sensing and Image Interpretation, Aerospace navigation                                                                                                                       
Technical Reports:

5. Duc Son Pham, Budhaditya Saha,   M. Lazarescu and S.Venkatesh,"Scalable Network-wide anomaly detection  using compressed data", Technical Report, Institute of Multi Sesnor Processing and Content Analysis, Department of Computing, Curtin University of Technology, 2009. 

Unpublished work:

4. Budhaditya Saha, Duc Son Pham,  M. Lazarescu and S.Venkatesh "Anomaly Detection in Large Scale Sensor Network  Data Streams".

5. Budhaditya Saha, Duc Son Pham,  M. Lazarescu and S.Venkatesh, " Detection of abnormal behavior in large scale public Transport Surveillance".

Address:

Office:
Residence : 7 OAK VIEW COURT, HIGHTON, GEELONG, VICTPRIA 3216 
 

Some useful collection

 5. Places I have Visited so far

    Outside India:  

     Perth 2006-2011
     Singapore 2007
     Sydney 2009
     San-Fransisco 2009
     Miami/Florida 2009
     LosAngeles 2009
     Charlotee 2009
     Malaysia 2010-11
     Seoul 2011
     Vancouver 2011

 In India: In one word it is countless. Usually I love to trek across the 
Himalayan ranges. I did it couple of times before ( mainly in Tehri Garhwal Region ). I love to go back to India and travel as much as  I can.