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