*1 HSDPA: A high-speed downlink packet transmission system based on W-CDMA. Used by NTT DoCoMo in the “FOMA High-Speed” service. *2 VGA: A video display resolution of 640×480 dots. *3 MPEG-4 visual: The video encoding part of the MPEG-4 video format specification aimed at the delivery of high-quality video over low-speed circuits defined by International Organization for Standardization (ISO). ...

We propose a framework to encrypt Baseline JPEG files directly at bitstream level, i.e., without the need to recompress them. Our approach enables encrypting more than 25 pictures per second in VGA resolution, allowing real-time operation in typical video surveillance applications. In addition, our approach preserves the length of the bitstream while being completely format-compliant. Furthermo...

There exist numerous genes disseminated by mobile elements that can confer cross-resistance to lincosamides and streptogramin A compounds in staphylococci. This study investigated the nature and means of dissemination of genes responsible for LSA resistance among 24 French clinical isolates screened for reduced susceptibility to lincomycin. The vga(A)v gene was found to be the most prevalent de...

Segmentation is an important step in many perception tasks, such as object detection and recognition. We present an approach to organized point cloud segmentation and its application to plane segmentation, and euclidean clustering for tabletop object detection. The proposed approach is efficient and enables real-time plane segmentation for VGA resolution RGB-D data. Timing results are provided ...

As the microelectronic industry grows there has been an exponential increase in the importance of FPGAs in modern digital circuit design. FPGAs not only provided an advantage of being reconfigurable but also come in extremely small packaging. In this paper we use the Xilinx Spartan 3AN series FPGA and propose its use as part of a System on Chip controller for a Video Graphics Array (VGA), that ...

Using a monoenergetic positron beam, annealing study of the Al/n-GaSb system was performed by monitoring the Doppler broadening of the annihilation radiation as a function of the positron implanting energy. The S-parameter against positron energy data was successfully fitted by a three-layer model (Al/interface/GaSb). The annealing out of the open volume defects in the polycrystalline Al layer ...

The relative frequency of 10 determinants of resistance to macrolides, lincosamides, and streptogramins was investigated by PCR in a series of 294 macrolide-, lincosamide-, and/or streptogramin-resistant clinical isolates of Staphylococcus aureus and coagulase-negative staphylococci isolated in 1995 from 32 French hospitals. Resistance was mainly due to the presence of ermA or ermC genes, which...

Wireless sensor networks (WSN) are one of the most evolving technologies applicable in various fields where sensitive information is required. However, the constraints of limited resources and requirements for environmentdependent connectivity and life cycle have urged designers to seek more efficient WSN infrastructures. In this paper, we have discussed and compared the results of various sing...

In this paper, we describe the design, implementation and multithreading of a MPEG 4 decoder (simple profile) for high resolution (VGA 640x480) on Sandblaster DSP. The implementation is done entirely in C. Software solution provides high reusability, low cost and short development time when compared to dedicated hardware solutions. We describe the multithreading of time critical tasks that are ...