In this paper, a novel search operation is proposed for the neuroevolution of augmented topologies, namely difference-based mutation. This operator uses differences between individuals in population to perform more efficient optimal weights and structure model. The difference determined according innovation numbers assigned each node connection, allowing tracking changes. implemented algorithm ...

in this paper, we propose a novel method for fully automatic detection and tracking of human heads and faces in video sequences. the proposed algorithm consists of two modules: a face detection module and a face tracking module. the detection module, detects the face region and approximates it with an ellipse at the first frame using a modified version of adaboost cascaded classifier. the detec...

Animals can expend energy to acquire sensory information by emitting signals and/or moving sensory structures. We propose that the energy from locomotion itself could permit control of a sensor, whereby animals use the energy from movement to reconfigure a passive sensor. We investigated high-speed, antenna-mediated tactile navigation in the cockroach Periplaneta americana. We discovered that t...

Transcription elongation consists of repetition of the nucleotide addition cycle: phosphodiester bond formation, translocation and binding of the next nucleotide. Inhibitor of multi-subunit RNA polymerase tagetitoxin (TGT) enigmatically slows down addition of nucleotides in a sequence-dependent manner, only at certain positions of the template. Here, we show that TGT neither affects chemistry o...

Interactions between internet users are mediated by their devices and the common support infrastructure in data centres. Keeping track of causality amongst actions that take place in this distributed system is key to provide a seamless interaction where effects follow causes. Tracking causality in large scale interactions is difficult due to the cost of keeping large quantities of metadata; eve...

This paper studies the performance of the aposteriori recursive least squares lattice lter in the presence of a nonstationary chirp signal. The forward and backward partial correlation (PARCOR) coe cients for a Wiener-Hopf optimal lter are shown to be complex conjugates for the general case of a nonstationary input with constant power. Such an optimal lter is compared to a minimum mean square e...

RFID technology arouses great interests from both its advocates and opponents because of the promising but privacy-threatening nature of low-cost RFID tags. A main privacy concern in RFID systems results from clandestine scanning through which an adversary could conduct silent tracking and inventorying of persons carrying tagged objects. Thus, the most important security requirement in designin...

Dr. Holmes' contribution to the series edited by Professor O'Shea is "an inductive study of backward children. It presents in a series of concrete illustrations," says Dr. Holmes, "studies of cases to exemplify the principles and methods underlying the diagnosis, treatment and training of backward children." His aim has been to describe the cases "simply, non-technically, and humanly." His succ...