نتایج جستجو برای: shot hole
تعداد نتایج: 79143 فیلتر نتایج به سال:
main aspects: the first is the sub-shot detection, which is performed without a priori constraints on the number or length of the shots. The algorithm is based on color histograms and motion features, and employs fuzzy c-means with variable number of clusters. The second aspect is an in depth discussion on the annotation of summaries with the MPEG-7 standard. Results on mixed genres TV material...
In th i s paper we present a novel improvement to existing schemes for a b r u p t shot change detection. Existing schemes declare a shot change whenever t h e f rame to f rame histogram difference (FFD) value is above a particular threshold. In such a n approach, a high value for t h e threshold results in a small number of false a larms a n d a large number of missed detections while a low va...
Upstream neutral modes in the fractional quantum Hall effect regime: heat waves or coherent dipoles.
Counterpropagating (upstream) chiral neutral edge modes, which were predicted to be present in hole-conjugate states, were observed recently in a variety of fractional quantum Hall states (ν=2/3, ν=3/5, ν=8/3, and ν=5/2), by measuring the charge noise that resulted after partitioning the neutral mode by a constriction (denoted, as N→C). Particularly noticeable was the observation of such modes ...
\Scene retrieval method for video database applications using temporal condition changes," in Proc. 5 Summary and future work In this work, two important problems of video databases were addressed. For each problem, a solution based on information readily available in compressed video was presented. As the performance of the shot detection scheme suggests, it is possible to locate shot boundari...
A mathematical model is developed and tested with plant data for the ammonia cold shot converter of Razi Petrochemical Complex. The model is based on a material and energy balance in a differential element of beds and is subjected to the assumptions of uniform distribution of temperature and composition through a general cross section and negligible mass and heat transfer in axial direction. Th...
The Fermi-LAT collaboration has recently reported the detection of angular power above the photon noise level in the diffuse gamma-ray background between 1 and 50 GeV. Such signal can be used to constrain a possible contribution from Dark-Matter-induced photons. We estimate the intensity and features of the angular power spectrum (APS) of this potential Dark Matter (DM) signal, for both decayin...
The fixed duration of a team-handball game and its continuously changing situations incorporate an inherent temporal pressure. Also, the target's position is not foreknown but online determined by the player's interceptive processing of visual information. These ecological limitations do not favour throwing performance, particularly in novice players, and are not reflected in previous experimen...
the drilling is well known as one of the most common hole making processes in the industry.due to close tolerance requirement for drilled holes in the most of work pieces, onlinecontrolling of the diameter of drilled holes seems to be necessary. in the current work, an onlinedimensional controlling system was developed for drilling process. doing this, drilling processwas executed in different ...
Longitudinal and transverse phase space information has been obtained from a statistical analysis of fluctuations in the radiation spectrum of an electron bunch. Uncorrelated shot noise fluctuations in longitudinal beam density result in incoherent radiation with a spectrum that consists of spikes, with width inversely proportional to the bunch length. Measurements were performed at l 620 nm on...
We study the noise properties of ballistic conductors with carriers satisfying fractional exclusion statistics. To test directly the nature of exclusion statistics we found that systems under weakly degenerate conditions should be considered. Typical of these systems is that the chemical potential m is in the thermal range umu ,3kBT . In these conditions the noise properties under current satur...
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