Vision is the most important sense for people, and it is also one of the main ways of
cognition. As a result, people tend to utilize visual content to capture and share their life …

This paper reviews the state of the art in visual privacy protection techniques, with particular
attention paid to techniques applicable to the field of Active and Assisted Living (AAL). A …

To balance the privacy and usability of images in the cloud, Tajik et al. recently designed a
thumbnail preserving encryption (TPE) based on sum-preserving encryption, however …

Owing to the rapid development of cloud services and personal privacy requirements,
content-based encrypted image retrieval in the cloud has been increasing. Outsourced …

With the large-scale deployment of the Internet of Things (IoT), lots of images are generated
and outsourced to the cloud to alleviate storage burdens. Encrypted image retrieval has …

With the popularity of cloud storage services, people are increasingly accustomed to storing
images in the cloud. However, cloud storage services raise privacy concerns, eg, leakage of …

People are accustomed to utilizing mobile phones to capture images and uploading them to
the cloud due to various incomparable advantages such as saving the storage space on the …

Facing a large number of personal images and local devices with limited resources, the
cloud service plays an increasingly important role in image storage. However, there is no …

Traditional image encryption schemes turn images with rich visual contents into
meaningless noise-like ones. This assures privacy security at the expense of visual …

Privacy concerns may be caused after uploading images into image hosting platforms. For
traditional image encryption, images with rich content and meaning are transformed into …