Recent Patents on Computer Science - Volume 6, Issue 3, 2013

Radio Communication is one of the research fields that is continuously improving and innovating. In particular, cognitive radio is one of the fastest developing arguments over the last few years, due to recently published standards that were lacking some years ago. The possibility of understanding the best frequency to be used is an important discovery in the world of communications. In this work, we will see how the Read More

IPv6 is an Internet Layer protocol for packet-switched networks providing end-to-end datagram transmission across multiple domains. IPv6 was formally described for the first time in the Request for Comments (RFC) 2460, published in December 1998. In addition to offering a larger addressing space, IPv6 also defines some features not present in the previous version of the protocol (IPv4). For example, IPv6 simplifies Read More

Spurred by the aging world, various network–based healthcare systems have been developed to provide and facilitate elderly healthcare service. This paper is intended to provide a review on the state of the art for network-based elderly healthcare systems in the US. Initial search resulted in 41 patents and after careful review 9 representative patents are included in the second round review. These 9 patents are categorized Read More

Synchronizing the endogenous clock of animals to artificially created light-dark cycles in the laboratory is a challenging task, because it needs a fully controllable, automatic lighting system that produces various light-dark cycles with changing spectral composition of high quality and fidelity. Here, we focus on the development of such a system for the model species Drosophila melanogaster. Meeting the technological objectiv Read More

Multilevel thresholding usually is much computationally exhaustive in the process of searching the optimal thresholds. In order to improve computational efficiency, this paper presents an image segmentation method by using the chaos optimization algorithm (COA), which is incorporated into differential evolution (DE). The stochastic property and space ergodicity of chaos mapping are utilized to enlarge the s Read More

In this paper, a compression algorithm of gearbox vibration signal combining wavelet packet transform is proposed. The effects of wavelet packet transform are also introduced and several main attributes of wavelet basis are analysed. Based on the description and discussion, a method to select wavelet basis of the compressing gearbox vibration signal is proposed. The paper represents a review of some recent patents reg Read More

To solve the problem of the small target detection and recognition in outer space, a target detection and recognition system based on dual-DSP and FPGA was designed. FPGA was used for image preprocessing module and serial communication circuit. Compared with some recent patents on target detection and recognition problems, the patents did not design algorithm based on the hardware, as the efficiency was very low. Read More