Anshuman Chandra Krishnendu Chakrabarty Frequency-Directed Run-Length (FDR) Codes with Application to System-on-a-Chip Test Data Compression. 42-47 2001 conf/vts/2001 VTS http://csdl.computer.org/comp/proceedings/vts/2001/1122/00/11220042abs.htm db/conf/vts/vts2001.html#ChandraC01