نتایج جستجو برای: level sampling
تعداد نتایج: 1260451 فیلتر نتایج به سال:
Introduction In recent years, the noise performance of CMOS image sensors has improved significantly with the implementation of a multiple sampling architecture [1-3]. In the multiple sampling architecture, the thermal noise of the pixel source follower can be reduced by a factor equal to the square root of the sampling number. The multiple sampling architectures usually employ single slope (SS...
Metrics for Sampling-Based Motion Planning. (December 2007) Marco Antonio Morales Aguirre, B.S., Universidad Nacional Autónoma de México; M.S., Universidad Nacional Autónoma de México Chair of Advisory Committee: Dr. Nancy M. Amato A motion planner finds a sequence of potential motions for a robot to transit from an initial to a goal state. To deal with the intractability of this problem, a cla...
We first review existing sequential methods for estimating a binomial proportion. Afterward, we propose a new family of group sequential sampling schemes for estimating a binomial proportion with prescribed margin of error and confidence level. In particular, we establish the uniform controllability of coverage probability and the asymptotic optimality for such a family of sampling schemes. Our...
-This paper describes a level-of-detail generation approach for large scale models. To make LODs preserve the overall appearance of original data, the presented approach is to perform uniform sampling in geodesic metric, resulting in adaptive meshes or points in Euclidean metric. Geometric attribute such as curvature help to establish geodesic metric and therefore control the sampling ratios in...
Recent discussions about mechanisms for modeling human lightness have centered on whether these mechanisms are the result of “Early Vision”, implying that lightness is calculated before depth is undertaken, or “Mid Vision”, implying the simultaneous solutions of both depth and lightness, or “High Vision” mechanisms that imply depth information is used to estimate lightness. This paper begins by...
Aim: This descriptive-relational study aims to identify osteoporosıs health belief, knowledge level and risk factors in individuals whose bone mineral density was required. Method: Target population of the study was 110 men and 126 women aged 35 and over, who applied to Atatürk University Aziziye Yakutiye Research Hospital Nuclear Medicine Center Bone Densitometer Unit between January 2010 and ...
Objectives: This paper describes the systematic development, design, and field pretest of the Feedback Quality Index (FQI) a brief survey for assessing feedback regularity and quality in a clinical setting. Medical educators need this type of tool so they can identify specific problems related to feedback provision and evaluate the impact of efforts designed to address those problems. The purpo...
—Sampling protocols for ichthyofaunal inventories have received considerable study at the stream reach level; however, no studies have examined the optimal allocation of sampling effort for watershed-level inventories. To address this question, we used data from surveys of four Great Lakes watersheds to compare rates of species accumulation among several watershed-level scenarios of sampling ef...
Research in estimating multilevel models (MLM) from complex survey data is quite recent. Not only has this research resulted in several popular software packages incorporating sampling weights into estimating MLM, but it has emphasized an important point often overlooked by both analysts and providers of the survey data: the sampling weights used for multilevel analysis need to be constructed d...
�e �rst review existing sequential methods for estimating a binomial proportion. A�erward, we propose a new family of group sequential sampling schemes for estimating a binomial proportion with prescribed margin of error and con�dence level. In particular, we establish the uniform controllability of coverage probability and the asymptotic optimality for such a family of sampling schemes. Our th...
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