Improving the Retiming Algorithm to Increase the Clock Speed of Synchronous Circuits Mehdi Sedighi • Sam Farrokhi Processing and Compression of Microarray Images by Pipelining Shadrokh Samavi • Mohammad Davarpanah Djazi • Nader Karimi • Shahram Shirani Acoustic Modeling of Speech Units Using GVQ Probability Density Representation Farbod Razzazi • Abolghasem Sayadiyan A New Register Allocation Method For Testability Improvement Saeed Safari • Amir-Hossein Jahangir • Hadi Esmaeilzadeh Object Tracking in an Image Sequence Payman Haqiqat • Reza Safabakhsh