Our shot boundary detection system mainly consists of three components: fade out/in(FOI)detector, cut(CUT)detector and gradual transition(GT)detector. The key technique of FOI detector is the recognition of monochrome frame. In CUT detector, second order derivative method is applied to get cut candidates,and then flashlight detector and other gradual transition filter module are incorporated to...

Goal A very fast, high quality corner detector. Contributions 1. The segment-test algorithm for detecting features. 2. Machine learning used to create very efficient implementation: the FAST feature detector. 3. Extensive testing of the new detector against existing ones. Results 1. Extremely fast feature detector: uses less than 7% of the available CPU time in live video feeds. 2. Very high qu...

The results of the BTeV silicon pixel detector beam test carried out at Fermilab in 1999-2000 are reported. The pixel detector spatial resolution has been studied as a function of track inclination, sensor bias, and readout threshold.

Device of new type is suggested germanium detector with internal amplification. Such detector having effective threshold about 10 eV opens up fresh opportunity for investigation of dark matter, measurement of neutrino magnet moment, of neutrino coherent scattering at nuclei and for study of solar neutrino problem. Construction of germanium detector with internal amplification and perspectives o...

In this paper, we propose to use a new nonparametric noncoherent detector for PN code acquisition in DS/CDMA systems. Because this detector is nonparametric, we can decide the threshold of the detector without "rst having to estimate the variance of time-varying interference. We compare the single-dwell scheme using the proposed detector with that using the conventional detector. From the simul...

We study non-coherent detection schemes for molecular communication (MC) systems that do not require knowledge of the channel state information (CSI). In particular, we first derive the optimal maximum likelihood (ML) multiple-symbol (MS) detector for MC systems. As a special case of the optimal MS detector, we show that the optimal ML symbol-by-symbol (SS) detector can be equivalently written ...

Briefly, PyCRA implicitly requires the victim sensor to select a sample rate that is higher than a threshold that depends on the non-zero physical delays present in the attacker. This threshold does not depend on the sampling rate at the attacker, and therefore there is no “race” between the two sample rates. Also, some of the key conclusions in your paper are based on using the simple detector...

Spectrum sensing enables detecting opportunities in licensed bands in order to access unused portions of the licensed spectrum. In this paper we propose two low complexity detectors based on a combination of two well-known and complementary signal detection mechanisms: energy detection and mono-cycle detection, which exploits cyclostationarity property of the signals. In the first algorithm the...