Fast sample adaptive offset encoding algorithm for HEVC based on intra prediction mode. - Jaehwan Joo; Yongseok Choi; Kyohyuk Lee (ICCE-Berlin, 2013)

Dominant edge direction based fast parameter estimation algorithm for sample adaptive offset in HEVC. - Jaehwan Joo; Yongseok Choi (ICIP, 2014)

Exploration of Practical HEVC/H.265 Sample Adaptive Offset Encoding Policies. - Yongseok Choi; Jaehwan Joo (IEEE Signal Process. Lett., 2015)