innovation in sensor programming implementation for real time environment

... developed, a performing implementation has been also carried out on real- time embedded target (the TMS320C6747 floating-point processor powered by Texas Instruments), confirming the real- time versatility ... stored in a buffer The size of this buffer must be as long as possible while allowing for real- time performances For many applications, the real- time constraint may be the temporal masking phenomenon, ... available Merging channels together into a single signal may result in a loss of spatial information, the worst case occurring when every channel contains different musical instruments In this case,...

Ngày tải lên: 21/06/2014, 05:20

... interference is the dominant factor indicating the system performance in severe shadowing The advantage of the analytic model presented in this paper is that it can give insight into the performance ... bit-loading algorithm used for power minimization PERFORMANCE OF REAL- TIME DATA SERVICES IN FREQUENCY SELECTIVE FADING AND DIFFERENT SHADOWING ENVIRONMENTS For performance evaluation of data ... low link outage Instead, reducing the probability of interference by using minimum bandwidth yields a higher protection against outage On the other hand, in a low shadowing scenario, as the minimum...

Ngày tải lên: 22/06/2014, 22:20

... constraints to be relaxed at the expense of processing time Hybrid processing combines stream and offline processing For example, stream processing can be used for image capture and display while offline ... flow shown in Figure Most of the effort in following this path is in the first step: mapping an algorithm into a form suitable for FPGA implementation, generally using a stream processing model ... make the implementation as efficient as possible, which we accomplish by coarse-gain pipelining (between operations), fine-grain pipelining (breaking up operations), combining operations into one,...

Ngày tải lên: 22/06/2014, 22:20

... need) For this purpose the formatting codes on the typesetting tape are crucial since they provide clues to the correct structure of this information For example, word senses are largely defined in ... implemented in Prolog, since the Prolog 'database facility',refers to the knowledge base that Prolog maintains in main memory.) In principle, given that the dictionary is now in a Lispreadable format, ... an intermediate data structure containing information relevant to the classification process 176 considerable amount of information in LDOCE which we have not attempted to exploit as yet; for...

Ngày tải lên: 22/02/2014, 09:20

... contextualized Therefore, for generating data for model training and testing, we used a crowdsourcing approach to sentiment annotation on in- domain political data To create a baseline sentiment model, ... last decade, interest in mining sentiment and opinions in text has grown rapidly, due in part to the large increase of the availability of documents and messages expressing personal opinions (Pang ... computational methodology: our approach combines real- time data processing and statistical sentiment modeling informed by, and contributing to, an understanding of the cultural and political practices...

Ngày tải lên: 16/03/2014, 20:20

... comparison companies In fact both sets of companies had identical access to good information The key, then, lies not in better information, but in turning information into information that cannot ... tech investments Rather their slow but steady progress in selecting, eliminating, modifying, adapting, and integrating old and new technologies in service of their business models and business ... NO 2005 Enron: destroyed in real time Given the dominant and intensive role of real- time information, many of the technologies associated with real- time response were initially adopted by financial...

Ngày tải lên: 23/03/2014, 02:20

... detection for protein microarrays sources of nonspecific binding for protein arrays: adsorption to the sensor surface and nonspecific binding to the immobilized proteins Nonspecific binding to the sensing ... characterization of protein interactions that may provide higher resolution functional data Common methods for studying protein interactions Current approaches for studying protein interactions include solution ... shown in Fig This sensing technology has been used to detect the binding of single virus particles [102], small molecule binding to proteins (1 nm Gleevec in the presence of 100 nm ATP binding...

Ngày tải lên: 23/03/2014, 15:21

Ngày tải lên: 16/04/2014, 23:12

... analysis can form a base for future job improvements [21] This approach is defined by examining the tasks and sequences of tasks necessary to perform the job within a defined period of time Usually ... Arbeit und Gesundheit von Mitarbeiterinnen in Kindertageseinrichtungen Regionalfallstudie in saarländischen Kindertageseinrichtungen Saarbrücken: Landesarbeitsgemeinschaft für Gesundheitsförderung ... working conditions in German hospitals: a real- time task analy-sis Eur J Pediatr 2010, 169:551-555 30 Buch M, Frieling E: Belastungs- und Beanspruchungsoptimierung in Kindertagesstätten Kassel: Institut...

Ngày tải lên: 20/06/2014, 00:20

... Fractions for Real- time WSNs on TMotes, in Proceedings of Med-Hoc-Net 2010, Juanles-Pins, France (2010) W Ye, J Heidemann, D Estrin, An Energy-Efficient MAC protocol for Wireless Sensor Networks, in ... negotiable distance constraints, in Real- Time Technology and Applications Symposium (1998) 14 M Mock, E Nett, Real- Time Communication in Autonomous Robot Systems, in Proceedings of International Conference ... (8) The combination of Formula (5) and Formula (8), gives: R We now prove that Formula (7) also counts for fk+1 It is known that the amount of data arriving during the slot scheduling interval of...

Ngày tải lên: 21/06/2014, 02:20

... particularly in densely occluded environments Failing to properly account for this phenomenon in such situations could result in a poorly realistic rendering or even in annoying auditory artifacts In this ... not just for constructing beam-trees but also to perform the whole path-tracing process In this paper we expand and repurpose the beam tracing method for applications of real- time rendering of ... Reflective Beams and Paths in Dual Space 2.2.1 Tracing Beams In this paragraph we summarize the tracing of beams in the geometric space using the information contained in the visibility diagrams...

Ngày tải lên: 21/06/2014, 08:20

... RTP parsing and file saving are either I/O intensive or not CPU intensive Therefore, the SAME is effective enough for the high-volume real- time data in AdmireRPS Conclusions and Future Work In this ... the International Conference on Information Technology: Coding and Computing, 2001 [26] C Shi, S Wang, and B Bhargava, “MPEG video encryption in real- time using secret key cryptography,” in Proceedings ... sharing, and so forth This system has been used in hundreds of universities and institutes In the biggest session, there are more than 100 users joined in at one time 2.2 Encryption Bottleneck in...

Ngày tải lên: 21/06/2014, 11:20

... reproducing the rows in demand, as shown in Figure In the downlink OFDM system model, as in previous work, channel state information (CSI) is assumed to be available at base stations (BSs) In a ... and Networking to provide QoS guarantees to the users by deferring the transmissions on the deep fading links and compensating for them when the links recover However, all these scheduling algorithms ... following advantages: (1) based on queuing theory, real- time users’ delay requirements can be evaluated in terms of the number of subcarriers required, leading to a more flexible scheduling algorithm...

Ngày tải lên: 21/06/2014, 20:20

... every video frame for measuring T2 Fortunately, packet interception can be done in hardware, so it incur very little processing time In addition to the packet interception, an INi has to pay some ... presentation quality of real- time multimedia streams Thus, in the proposed I-EPD, if abnormal jitter is detected at a receiver, any IN on the video streaming path will be informed to drop stale ... RTP timestamps in packet headers of video frame j and frame j + To be more realistic, in the Linux implementations we should consider other network variables, such as node queuing delay, link...

Ngày tải lên: 21/06/2014, 23:20

... were timed on a 2.8 GHz Intel Xeon processor The methods differ greatly in the time taken for Table 1: Timing results for the first sequence, in milliseconds For each tracker, the time taken for initialization ... (x(t)) with the bins In the single histogram case, minimizing D(q(x(0)), q(x(t))) is equivalent to minimizing S(x) In the combined histogram case, however, the equivalence of minimizing D∗ (x) and ... very inaccurate estimate of the true and underlying density Instead, we propose a different solution for combining different features for object tracking The key idea is to use a weighted combination...

Ngày tải lên: 22/06/2014, 00:20

... users’ avatar animation in virtual environments and games, and so forth The papers that have been selected for publication in this special issue present interesting new ideas in a number of anthropocentric ... multiple person tracking approach that utilises information from multiple cameras in order to achieve efficient occlusion handling The idea is that the tracking of a certain target in a view where this ... method combines the wavelet transform with forward kinematics and allows for progressive decoding The second method, which provides better results, is based on prediction and inverse kinematics...

Ngày tải lên: 22/06/2014, 00:20

... the inverse quantization (IQ), and the inverse discrete o cosine transform (IDCT) in the test model and Td denotes the encoding time for DCT, Q, IQ, and IDCT in the original XVID encoder According ... intra-DCT and quantization in video coding, aiming to simplify the encoding complexity and achieve better real- time performance with minimal video quality degradation The pixel block at the input ... taken into account in the encoding time in Figure In addition, the overall required number of multiplications (MULs) and additions (ADDs) including the overhead is compared with the original XVID...

Ngày tải lên: 22/06/2014, 00:20

... The former process mainly involves the FPGA and some direct memory access (DMA) channels in the DSP, while the latter is specific of remaining DMA channels and of the DSP core At the beginning ... requested to perform all needed processing in real time In this paper, an embedded system for multichannel multigate (MCMG) US echography is described The system was conceived and realised as programmable ... performed by exploiting the sorting capabilities of the DMA channels, with no load for the DSP core Once the vector with data regarding the same depth is ready into the internal DSP memory, an interrupt...

Ngày tải lên: 22/06/2014, 01:20

... task-scheduling mechanisms that we may be interested in modeling: compile -time and run -time scheduling Compile -time scheduling (CTS) encompasses scheduling decisions that are fixed at compile time, ... Processing of SRDF graphs Expressing hardware resource constraints in the MRDF model is discussed in Section Our main contribution is presented in Section in which we address the issue of interfacing ... via LP formulations: one that minimizes i’s start time, and another one that maximizes it In the implementation, actor i must wait for a time equal to the computed minimum s(i, 0) before firing the...

Ngày tải lên: 22/06/2014, 19:20

... allows compensating for changes in lighting conditions over a period of time Where α is the rate at which the model is compensated for changes in lighting For an indoor/office environment it was ... the corresponding skin cluster 4.1 Pruning of ears For some subjects, the ears may be big and extending outward prominently, while for other it may be less prominent To obtain uniform face segmentation, ... during erosion DYNAMIC TEMPLATE MATCHING AND SEGMENTATION OF FACE REGION SUITABLE FOR RECOGNITION Segmenting a face, using a rectangular window enclosing the skin tone cluster will result in...

Ngày tải lên: 22/06/2014, 20:20