TY - RPRT TI - Transparent motion from feature- and luminance-based processes. AU - S T Hammett AU - T Ledgeway AU - A T Smith PY - 1993 DO - 10.1016/0042-6989(93)90245-r UR - https://pubmed.ncbi.nlm.nih.gov/8506650/ ID - 8506650 ER -