Served as Ad Hoc Referee for the Following Journals:

1. ACM Computing Survey
2. ACM Transactions on Information Systems
3. ACM Transactions on Internet Technology
4. ACM Transactions on Multimedia Computing, Communications and App lications
5. ACM Multimedia Systems
6. AI Communications
7. Artificial Intelligence in Medicine
8. Bioinformatics
9. BioMedical Engineering
10. BMC Bioinformatics
11. Communications of the ACM
12. Computer Communications
13. Digital Signal Processing
14. Distributed and Parallel Databases
15. IEE Proceedings on Vision, Image and Signal Processing
16. IEEE Communications Letters
17. IEEE Intelligent Systems
18. IEEE Signal Processing Letters
19. IEEE Transactions on Circuits and Systems for Video Technology
20. IEEE Transactions on Fuzzy Systems
21. IEEE Transactions on Image Processing
22. IEEE Transactions on Medical Imaging
23. IEEE Transactions on Multimedia
24. IEEE Transactions on Neural Networks
25. IEEE Transactions on Knowledge and Data Engineering
26. IEEE Transactions on Pattern Analysis and Machine Intelligence
27. IEEE Transactions on Systems, Man and Cybernetics, Part A
28. IEEE Transactions on Systems, Man and Cybernetics, Part B
29. IEEE Transactions on Very Large Scale Integration Systems
30. Image and Vision Computing Journal
31. Information Retrieval
32. Information Sciences
33. Information Systems
34. Information Systems Research
35. International Journal of Advanced Media and Communication
36. International Journal of Electronic Business
37. International Journal of Pattern Recognition and Artificial Intelligence
38. International Journal on Digital Libraries
39. ISIF Journal of Advances in Information Fusion
40. Journal of the American Statistical Association
41. Journal of the ACM
42. Journal of the American Medical Informatics Association
43. Journal of the American Society for Information Science
44. Journal of the Optical Society of America A
45. Journal of Computer Vision and Image Understanding
46. Journal on Data Semantics
47. Journal of Information Processing and Management
48. Journal of Information Technology and Decision Making
49. Journal of Machine Learning Research
50. Journal of Mathematical Imaging and Vision
51. Journal of Neuroscience Methods
52. Journal of Systems and Software
53. Journal of Universal Computer Science
54. Journal of Visual Communication and Image Representation
55. Journal of Web Engineering
56. Machine Learning
57. Machine Vision and Applications Journal
58. Neurocomputing
59. Optics Letters
60. Pattern Recognition Letters
61. Proceedings of National Academy of Sciences
62. Signal Processing
63. The Very Large Data Bases Journal