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US 9,794,517 B2Granted
Privacy masking method
AssigneeHanwha Techwin Co., Ltd.
InventorsJae Ryong Ha, Ki Bum Park
Life of this patent
Estimating the term…
Abstract
A privacy masking method is provided. The privacy masking method is configured to accurately position a mask area on a privacy area in a captured image despite any kind of camera movement. Therefore, even if a camera makes any one or more of pan, tilt, and zoom movements, the present invention can accurately match a mask area with a privacy area.
Claims18
A privacy masking method comprising:
- setting a privacy mask for a privacy area in an image captured by a camera;
- executing a fine adjustment mode for a mask area when the mask area formed in the captured image through the setting of the privacy mask deviates from the privacy area and when a predetermined mask area deviation condition is satisfied;
- generating position data used to determine relative positions of a subject of the captured image and the camera by operating a distance measurement sensor provided on a side of the camera;
- specifying a privacy area movement value which comprises the position data;
- and
- determining a position a size of the privacy area based on the privacy area movement value and adjusting the mask area using the determined position and size of the privacy area.
3 more elements
A privacy masking apparatus comprising:
- a mask setting module which sets a privacy mask for a privacy area in an image captured by a camera;
- a mask adjustment module which executes a fine adjustment mode for a mask area when the mask area formed in the captured image through the setting of the privacy mask deviates from the privacy area and when a predetermined mask area deviation condition is satisfied;
- and
- a distance measurement sensor which measures a relative distance to a subject of the captured image in the fine adjustment mode,
- wherein the mask adjustment module generates position data used to determine relative positions of the subject and the camera based on a measured value of the distance measurement sensor, specifies a privacy area movement value which comprises the position data, determines a position and a size of the privacy area based on the privacy area movement value, and adjusts the mask area using the determined position and size of the privacy area.
2 more elements
Dependencies are inferred from the claim text.