Two commercially available detector arrays were compared for their use in the quality assurance of patient-specific IMRT treatment plans: one a diode-based array (MapCHECK) and the other an ion chamber-based array (MatriXX). The dependence of the response of detectors on the field size, dose rate, and radiation energy were measured and compared with reference measurements using a Farmer-type io...

The segmented channel routing problem arises in the wiring and the physical design automation for Field Programmable Gate Arrays (FPGA’s), a new type of electrically programmable VLSI. It may also be applicable to configurahle multiprocessors. This new routing problem poses interesting algorithmic problems. In a previous paper of IEEE TRANSACTION ON COMPUTER-AIDED DESIGN, the study of the compl...

We present a method for object detection in a multi view 3D model. We use highly overlapping views, geometric data, and semantic surface classification in order to boost existing 2D algorithms. Specifically, a 3D model is computed from the overlapping views, and the model is segmented into semantic labels using height information, color and planar qualities. 2D detector is run on all images and...

The detector built at KEK to search for T-violating transverse muon polarization in K → πμνμ (Kμ3) decay of stopped kaons is described. Sensitivity to the transverse polarization component is obtained from reconstruction of the decay plane by tracking the μ through a toroidal spectrometer and detecting the π in a segmented CsI(Tl) photon calorimeter. The muon polarization was obtained from the ...

The progress in the development of the new international Gerda (GErmanium Detector Array) experiment is presented. Main purpose of the experiment is to search for the neutrinoless double beta decay of Ge. The experimental set up is under construction in the underground laboratory of LNGS. Gerda will operate with bare germanium semiconductor detectors (enriched in Ge) situated in liquid argon. I...