TY - CONF AU - Libert, John AU - Fenimore, Charles C2 - Proc. Intl. Soc. for Optical Engineering (SPIE) Conf. on Human Vision and Electronic Imaging IV, San Jose, CA DA - 1999-01-01 00:01:00 LA - en PB - Proc. Intl. Soc. for Optical Engineering (SPIE) Conf. on Human Vision and Electronic Imaging IV, San Jose, CA PY - 1999 TI - Visibility Thresholds for Compression-Induced Image Blocking: Measurement and Models UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=1046 ER -