Noise of Pictures

Detecting and remembering pictures with and without visual noise.

Objects in a scene are often partially occluded without causing the viewer any problem: the occluded parts are apparently represented via amodal completion. To evaluate human ability to perceive and remember partially occluded pictures, we showed sequences of pictures using rapid serial visual presentation (RSVP) for durations of 53 ms, 107 ms, 213 ms, or 426 ms/picture. Participants either att...

Constraining Pictures with Pictures

This paper presents a visual language called Miro for specifying and restricting operating system security configurations. A Miro picture specifies exactly what rights users have on files. A Miro constraint, also stated visually, restricts the set of Miro pictures which are considered legal. Such constraints on pictures give an exact specification of security policies and a practical method for...

Adaptive Filtering Techniques for Acquisition Noise and Coding Artifacts of Digital Pictures

vi Acknowledgements viii Author’s Publications ix List of Abbreviations xi List of Tables xiv List of Figures xv

Tla in Pictures Tla in Pictures

The charter of SRC is to advance both the state of knowledge and the state of the art in computer systems. From our establishment in 1984, we h a v e performed basic and applied research to support Digital's business objectives. Our current w ork includes exploring distributed personal computing on multiple platforms, networking, programming technology, system modelling and management technique...

Coding of Still Pictures