Privacy

Evaluating protection capability for visual privacy information

One way to prevent privacy intrusion is by blurring or blocking out facial images using image processing. However, this technique's effectiveness depends on viewers' familiarity with the subjects as well as on the subjects' conspicuousness.

Facial expression preserving privacy protection using image melding

An enormous number of images are currently shared through social networking services such as Facebook. These images usually contain appearance of people and may violate the people's privacy if they are published without permission from each person. …

Automatic generation of privacy-protected videos using background estimation

Recently, video sharing services such as YouTube and Daily-motion have become popular and many videos taken with mobile video cameras are uploaded to such a video sharing service. However, such videos can infringe on the privacy right of people in …

Detecting intended human objects in human-captured videos

When people take videos, they always want to capture intended objects, which are essential for presenting what they want to express in their videos, and to share the intended objects with others. The concept of intended objects provide a novel …