Camera attitude detection device and work region line display device

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Camera attitude detection device and work region line display device

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TANIZUMI KAZUYA / ISHIKAWA IWAO / TSUDA KAZUAKI / YAMAUCHI HIROSHI / TAMAKI KEISUKE / MUNEKIYO MASAYUKI

There is provided a monitoring camera (32) at a tip of a boom, a monitor (70) configured to display a captured image of a hook suspended from the tip of the boom, an attitude angle calculation device (68) configured to calculate, based on hook image position information on a screen displayed on the monitor (70) and hook position information in a real space, an attitude angle of the camera, and the attitude angle calculation device (68) includes a hook position calculation unit (63) configured to calculate a hook position on the screen actually displayed on the monitor (70), a shift amount calculation unit (64) configured to calculate the distance between the hook position calculated by the hook position calculation unit (63) and a reference hook position of the hook on the screen displayed on the monitor (70) when it is assumed that the camera faces directly downward, and a camera inclination angle calculation unit (65) configured to calculate an inclination angle of the monitoring camera (32) based on the difference and a distance in a height direction from an optical axis center position of the monitoring camera (32) to the hook.

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Document information

Title :

Camera attitude detection device and work region line display device

Contributors:

TANIZUMI KAZUYA (author) / ISHIKAWA IWAO (author) / TSUDA KAZUAKI (author) / YAMAUCHI HIROSHI (author) / TAMAKI KEISUKE (author) / MUNEKIYO MASAYUKI (author)

Publication date :

2017-05-30

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / B66C Krane , CRANES / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung