Agents with incomplete knowledge of their actions can either plan around the incompleteness, ask questions of a domain expert, or learn through trial and error. We present and evaluate several approaches to formulating plans under incomplete information, using the plans to identify relevant (goaldirected) questions, and interleaving acting, planning, and question asking. We show that goal-direc...

Objective(s): This study was designed to assess defect detectability in positron emission tomography (PET) imaging of abdominal lesions. Methods: A National Electrical Manufactures Association International Electrotechnical Commission phantom was used. The simulated abdominal lesion was scanned for 10 min using dynamic list-mode acquisition method. Images, acquired with scan duration of 1-10 mi...

Recent studies explore how firms’ experience with corporate acquisitions can influence acquisition outcomes and firm performance. Although discussion has focused on the idea that acquisition experience may improve performance by improving firms’ capability to implement acquisitions, little research has systematically tested the idea that acquisition implementation capabilities might mediate any...

Recent studies reported converging evidence for action-effect associations if participants adopted an intention-based action control mode in free choice conditions, whereas no evidence for action-effect associations was found when participants adopted a stimulus-based mode in forced choice conditions. However, it is not yet clear whether action control modes moderate acquisition or usage of act...

All Digital Phase locked loops (ADPLL) plays a major role in System on Chips (SoC). Many EDA tools are used to design such complicated ADPLLs. It operates on two modes such as frequency acquisition mode and phase acquisition mode. Frequency acquisition mode is faster compared to Phase acquisition, hence frequency synthesis is performed. The CMOS technology is used to design such a complex desig...

This paper reviews four economic studies of aspects of earnings and schooling conducted by the authors using data from the Australian Twin Register. First, estimates of the economic returns to schooling made using fixed effects and selection effects regression models incorporating an instrumental variables approach to correct for measurement error in self-reported schooling levels are examined....

PET systems using the acquisition control system version 2 (ACS2), e.g. the ECAT Exact HR PET scanner series, offer a rather restricted list-mode functionality. For instance, typical transfers of acquisition data consume a considerable amount of time. This represents a severe obstacle to the utilization of potential advantages of list-mode acquisition. In our study, we have developed hardware a...

The paper focuses on the limits of the performances of TOPSAR acquisition mode, in terms of image quality and particularly to signal to ambiguity ratio (DTAR). These limits are due to the unwanted antenna pattern side-lobes arising when the antenna beam is steered in azimuth. Some ideas that could be exploited to limit the effect of grating lobes on DTAR are discussed. Particularly, a novel acq...

OBJECTIVE To assess the image quality and effective radiation dose of prospectively electrocardiogram (ECG)-gated high-pitch spiral acquisition mode (flash mode) of dual-source CT (DSCT) coronary angiography (CTCA) in patients with high heart rates (HRs) as compared with retrospectively ECG-gated spiral acquisition mode. MATERIALS AND METHODS Two hundred and sixty-eight consecutive patients (...