In most watermarking schemes for copyright protection, a seller always knows the embedded watermark identifying a buyer. However, it incurs both repudiation issue and framing issue. To solve these problems, many watermarking protocols have been proposed based on watermarking schemes in the encrypted domain. In this paper, we enhance an existing watermarking scheme and discuss public key cryptos...

The “net neutrality” principle has triggered a heated debate and advocates have proposed policy interventions. In this paper, we provide perspective by framing issues in terms of the positive economic factors at work. We stress the incentives of market participants, and highlight the economic conflicts behind the arguments put forward by the different parties. We also identify several key open ...

Video object detection is more challenging compared to image object detection. Previous works proved that applying object detector frame by frame is not only slow but also inaccurate. Visual clues get weakened by defocus and motion blur, causing failure on corresponding frames. Multiframe feature fusion methods proved effective in improving the accuracy, but they dramatically sacrifice the spee...

In this paper, the authors treat the key frame extraction problem from a viewpoint of shot reconstruction. As a result, a novel criterion called shot reconstruction degree (SRD) is proposed for key frame selection based on the degree of retaining motion dynamics of a video shot. Compared with the widely used fidelity criterion, the key frame set produced by SRD can better capture the detailed d...

Despite increasing interest in transnational fields, transnational commons have received little attention. In contrast to economic models of commons, which argue that commons occur naturally and are prone to collective inaction and tragedy, we introduce a social constructionist account of commons. Specifically, we show that actor-level frame changes can eventually lead to the emergence of an ov...

We propose a new secret key traitor tracing scheme using bilinear maps, in which the size of the enabling-block in a broadcast message is independent of the number of subscribers. The proposed traitor tracing scheme can identify malicious subscribers (also called traitors) from a pirate decoder, which is collusively made by k or fewer traitors. Further, any malicious subscriber cannot falsify a...

We propose a fast and powerful method to create locomotive animation of a snake. The goal here is to provide an animator with highly familiar but greatly improved key-frame system that is efficient enough to expedite the animation process and flexible enough to accept creative input while achieving the striking visual realism required in movie production. These goals are achieved using a deform...

Framing scholarship on policy issues has primarily focused on how competitive message environments alter framing effects or how individual differences moderate the impact of frames. This study combines both of these focal areas by examining how individual open/closed-mindedness moderates framing effects about climate change within competitive and noncompetitive framing contexts. Contrary to pre...

Would you make the same decisions in a foreign language as you would in your native tongue? It may be intuitive that people would make the same choices regardless of the language they are using, or that the difficulty of using a foreign language would make decisions less systematic. We discovered, however, that the opposite is true: Using a foreign language reduces decision-making biases. Four ...

Social scientists have documented framing effects in a wide range of contexts, including surveys, experiments, and actual political campaigns. Many view work on framing effects as evidence of citizen incompetence—that is, evidence that citizens base their preferences on arbitrary information and/or are subject to extensive elite manipulation. Yet, we continue to lack a consensus on what a frami...