To convert an inversion state of a monitored image into a normal state without generating a temporal increase in a data amount in data after compression encoding, even when the monitored image is inverted.
A monitoring video transmission device 2 inputs temporally continuous monitored video data taken by a monitoring camera 1 during a tilt operation into a compression encoding processor 22 as it is for compression encoding, and determines whether or not a tilt angle exceeds 90 degrees at a rotating angle determination processor 27 based on camera control data transmitted from an operator 6. When the tilt angle exceeds 90 degrees, an inversion bit "1" is added to a user range of compression-encoded video data. On the other hand, a monitoring video reception device 4 decodes encoded video data transmitted from the monitoring video transmission device, determines whether or not the added inversion bit "1" is in the user range of the encoded video data, and performs inversion processing of the decoded video data when the bit is present.
| JP2003052622A | 2003-02-25 | |||
| JP2003289531A | 2003-10-10 |
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Ryo Hashimoto
Tetsuya Kazama
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen