نتایج جستجو برای: focus to film distance ffd
تعداد نتایج: 10718186 فیلتر نتایج به سال:
The Free-Form Deformation (FFD) methods are a family of intuitive, efficient and versatile free-form modelling techniques, which rely on an ambient warp of the space cocooning an embedded object. However, the distortion caused by FFD significantly degrades the approximation quality of polygon-mesh objects. We present a curvature-based adaptive refinement and decimation algorithm which solves th...
This paper describes both appropriate and inappropriate practices of filtering field failure data (FFD) prior to using the resulting count from estimate rates. The underlying causes (extreme) FFD are examined, consequences (poor process safety) discussed. An example is presented illustrating benefits all real failures discovered in estimation rates based on FFD.
Standard Free-Form Deformations (FFD) built upon tensor-product B-Splines have been proved useful to model the warp between two views of a deformable surface. In this paper, we show that the standard FFD is the affine projection of a threedimensional tensor-product B-Spline surface. We construct a new tensor-product warp relying on Non-Uniform Cubic B-Spline: the NURBS-Warp. We show that this n...
Considerable evidence implicates cellular senescence in the biology of aging and chronic disease. Diet and exercise are determinants of healthy aging; however, the extent to which they affect the behavior and accretion of senescent cells within distinct tissues is not clear. Here we tested the hypothesis that exercise prevents premature senescent cell accumulation and systemic metabolic dysfunc...
The conventional assignment-based first/best fit decreasing algorithms (FFD/BFD) are not polynomial in the cutting stock input size in its most common format. Therefore, even for small instances with large demands, it is difficult to compute FFD/BFD solutions. We present pattern-based methods that overcome the main problems of conventional heuristics in cutting stock problems by representing th...
We present a gesture-based user interface to Free-Form Deformation (FFD). Traditional interfaces for FFD require the manipulation of individual points in a lattice of control vertices, a process which is both time-consuming and error-prone. In our system, the user can bend, twist, and stretch/squash the model as if it were a solid piece of clay without being unduly burdened by the mathematical ...
abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...
Stevens Institute of Technology Hoboken, NJ, USA {hwang,[email protected]} Abstract. We study the privacy threat by publishing data that contains full functional dependencies (FFDs). We show that the cross-attribute correlations by FFDs can bring potential vulnerability to privacy. Unfortunately, none of the existing anonymization principles can effectively prevent against the FFD-based priv...
Background: Exposure to ionizing radiation is hazardous radiological workers, patient's relatives, and patients. The effect may be stochastic or deterministic. Protective apparel keeps the dose received by hospital patients patient relatives as low reasonably achievable (ALARA) under normal working conditions. frequently mishandled in diagnostic room after use leading damage. Objective: This st...
First Fit Decreasing is a classical bin packing algorithm: the items are ordered into their nonincreasing order, and then in this order the next item is always packed into the first bin where it fits. For an instance I let FFD(I) and OPT (I) denote the number of the used bins by algorithm FFD, and an optimal algorithm, respectively. We show in this paper that FFD(I) ≤ 11/9OPT (I) + 6/9, (1) and...
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