نتایج جستجو برای: spectral ranking of anomalies
تعداد نتایج: 21184690 فیلتر نتایج به سال:
The topology of configuration space may be responsible in part for the existence of sphalerons. Here, sphalerons are defined to be static but unstable finite-energy solutions of the classical field equations. Another manifestation of the nontrivial topology of configuration space is the phenomenon of spectral flow for the eigenvalues of the Dirac Hamiltonian. The spectral flow, in turn, is rela...
بررسی طیف گراف ها، ابزاری جهت بررسی گراف ها از دیدگاه جبری است. گراف های ds گراف هایی هستند که هیچ گراف غیر یکریخت دارای طیف ماتریس مجاورت یکسان با آنها نباشد. در این پایان نامه به بررسی خانواده گراف های و پرداخته و تحقیق می کنیم که آیا این گراف ها ds هستند یا خیر. در ضمن طیف ماتریس لاپلاسین گراف ها را تعریف و یکتایی گراف ها را تحت طیف ماتریس لاپلاسین بررسی می کنیم و نشان می دهیم که گراف و ...
A nonlinear mean square estimation algorithm for cross-sensor image fusion and spectral anomaly detection is described. The algorithm can be used to enhance a low resolution image with a higher resolution coregistered multispectral image, and to detect anomalies between spectral bands (features in one spectral band that do not occur in other bands). Experimental results for Landsat data are pre...
ABSTRACT Anomaly detectors are often used to produce a ranked list of statistical anomalies, which are examined by human analysts in order to extract the actual anomalies of interest. Unfortunately, in realworld applications, this process can be exceedingly difficult for the analyst since a large fraction of high-ranking anomalies are false positives and not interesting from the application per...
Surveillance videos are able to capture a variety of realistic anomalies. In this paper, we propose to learn anomalies by exploiting both normal and anomalous videos. To avoid annotating the anomalous segments or clips in training videos, which is very time consuming, we propose to learn anomaly through the deep multiple instance ranking framework by leveraging weakly labeled training videos, i...
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