Algebraic reconstruction techniques (ART) are iterative procedures for reconstructing objects from their projections. It is proven that ART can be computationally efficient by carefully arranging the order in which the collected data are accessed during the reconstruction procedure and adaptively adjusting the relaxation parameters. In this paper, an adaptive algebraic reconstruction technique ...

Advances in networking and mobile computing are converging with digital watermarking technology to realize the vision of Ubiquitous Computing, wherein mobile devices can sense, understand, and interact with their environments. Watermarking is the primary technology for embedding signals in the media, objects, and art constituting our everyday surroundings, and so it is a key component in achiev...

This paper presents an ART-type network (adaptive resonant theory) to detect objects in a video sequence classifying the pixels as foreground or background. The proposed ART network (ART+) not only possesses the structure and learning ability of an ART-based network, but also uses a neural merging process to adapt the variability of the input data (pixels) in the scene along the time. Experimen...

The post-1989 transformation of the Egyptian art world reveals the particular tenacity of colonial logics and national attachments in culture industries built through anticolonial nationalism and socialism. Tensions emerged between and among Western and Egyptian curators, critics, and artists with the development of a foreign-dominated private-sector art market and as Egyptian art begins to cir...

Existing estimates of rates of return on single art objects and whole collections are surveyed and critically evaluated. The psychic benefits from art are, in the few cases they are considered at all, derived from the difference to financial returns on other markets. This paper discusses determinants of psychic benefits and suggests rental fees and willingness to pay studies as a possible way t...