Sumant Ramprasad Naresh R. Shanbhag Ibrahim N. Hajj Decorrelating (DECOR) transformations for low-power adaptive filters. 250-255 1998 conf/islped/1998 ISLPED https://doi.org/10.1145/280756.280923 db/conf/islped/islped1998.html#RamprasadSH98