5,607 research outputs found
Face Prediction Model for an Automatic Age-invariant Face Recognition System
Automated face recognition and identification softwares are becoming part of
our daily life; it finds its abode not only with Facebook's auto photo tagging,
Apple's iPhoto, Google's Picasa, Microsoft's Kinect, but also in Homeland
Security Department's dedicated biometric face detection systems. Most of these
automatic face identification systems fail where the effects of aging come into
the picture. Little work exists in the literature on the subject of face
prediction that accounts for aging, which is a vital part of the computer face
recognition systems. In recent years, individual face components' (e.g. eyes,
nose, mouth) features based matching algorithms have emerged, but these
approaches are still not efficient. Therefore, in this work we describe a Face
Prediction Model (FPM), which predicts human face aging or growth related image
variation using Principle Component Analysis (PCA) and Artificial Neural
Network (ANN) learning techniques. The FPM captures the facial changes, which
occur with human aging and predicts the facial image with a few years of gap
with an acceptable accuracy of face matching from 76 to 86%.Comment: 3 pages, 2 figure
Gamma Ray Bursts -- A radio perspective
Gamma-ray bursts (GRBs) are extremely energetic events at cosmological
distances. They provide unique laboratory to investigate fundamental physical
processes under extreme conditions. Due to extreme luminosities, GRBs are
detectable at very high redshifts and potential tracers of cosmic star
formation rate at early epoch. While the launch of {\it Swift} and {\it Fermi}
has increased our understanding of GRBs tremendously, many new questions have
opened up. Radio observations of GRBs uniquely probe the energetics and
environments of the explosion. However, currently only 30\% of the bursts are
detected in radio bands. Radio observations with upcoming sensitive telescopes
will potentially increase the sample size significantly, and allow one to
follow the individual bursts for a much longer duration and be able to answer
some of the important issues related to true calorimetry, reverse shock
emission and environments around the massive stars exploding as GRBs in the
early Universe.Comment: To appear in Advances in Astronomy, special issue "Gamma-Ray Burst in
Swift/Fermi Era and Beyond
Relationship based Entity Recommendation System
With the increase in usage of the internet as a place to search for information, the importance of the level of relevance of the results returned by search engines have increased by many folds in recent years. In this paper, we propose techniques to improve the relevance of results shown by a search engine, by using the kinds of relationships between entities a user is interested in. We propose a technique that uses relationships between entities to recommend related entities from a knowledge base which is a collection of entities and the relationships with which they are connected to other entities. These relationships depict more real world relationships between entities, rather than just simple “is-a” or “has-a” relationships. The system keeps track of relationships on which user is clicking and uses this click count as a preference indicator to recommend future entities. This approach is very useful in modern day semantic web searches for recommending entities of user’s interests
Conflict in Cross Border Mergers Effect of Firm and Market Size
This paper tries to analyze the interrelationship between possibilities of conflict in cross border mergers and acquisitions and firm and market characteristics in a two country three firm model. We show that in general an increase in asymmetry across firms reduces the possibility of conflict between jurisdictions over merger review decisions. We also show that possibility of conflict increase with the increase in market asymmetries across countries. We also discuss interaction of asymmetry in firm and market size with the distribution of firms across countries and its effect on the possibilities of conflict.conflict, Cross border mergers, firm size, Market Size
A Matter of Voice: The Case for Abolishing the 30 percent Rule for Pension Fund Investments
Pension fund managers have devised ways to effectively skirt the rule that limits them to acquiring no more than 30 percent of the shares eligible to vote for the directors of a corporation. It’s time for regulators to enforce the rule or eliminate it entirely, thereby giving pension funds a voice commensurate with their equity stake.Canadian pension security, Canadian pension funds
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