Automatic two-layer video object plane generation scheme and its application to MPEG-4 video coding. - Kumi Jinzenji; Shigeki Okada; Hiroshi Watanabe 005; Naoki Kobayashi 002 (ISCAS, 2000)

MPEG-4 Very Low Bit-rate Video Compression Using Sprite Coding. - Kumi Jinzenji; Hiroshi Watanabe 005; Shigeki Okada; Naoki Kobayashi 002 (ICME, 2001)

MPEG-4 very low bit-rate video compression by adaptively utilizing sprite to short sequences. - Kumi Jinzenji; Shigeki Okada; Naoki Kobayashi 002; Hiroshi Watanabe 005 (ICME (1), 2002)