نتایج جستجو برای: سازۀ sfm
تعداد نتایج: 1780 فیلتر نتایج به سال:
Structure-from-motion (SfM) is a fundamental problem in 3D computer vision, with the aim of recovering camera poses and 3D scene structure simultaneously given a set of 2D images. SfM methods can be broadly divided into incremental and global methods according to their ways to register cameras. Incremental methods register cameras one by one, while global SfM methods solve all cameras simultane...
We review the results of theoretical modelling of scanning force microscopy and discuss the possibility of obtaining atomic and chemical resolution in contact and non-contact mode SFM, and a related issue of a working model for interpretation of SFM images. As a prototype system we consider the interactions of hard tips with softer alkali halide surfaces in UHV. We briefly review experimental d...
PURPOSE To prospectively compare full-field digital mammography (FFDM) with screen-film mammography (SFM) for cancer detection in a screening population. MATERIALS AND METHODS At two institutions, 4,945 FFDM examinations were performed in women aged 40 years and older presenting for SFM. Two views of each breast were acquired with each modality. SFM and FFDM images were interpreted independen...
Two experiments were conducted with broiler chicks to determine the nutritive value of highoil sunflower meal (HO-SFM), a sunflower oil extraction by-product obtained through screw-press extraction and expanding processes with a proximate composition of 32% CP, 12% crude fiber, and 19% ether extract. In Experiment 1, the effects of a high level (46.4%) of HO-SFM on chick performance and gastroi...
BACKGROUND AND OBJECTIVES Splenic flexure mobilization (SFM) is performed to ensure a tension free anastomosis with an adequate resection margin in laparoscopic anterior resection (AR) or low anterior resection (LAR). This retrospective study was performed to determine the amount of colonic redundancy that can be expected by SFM. METHODS Retrospective review of medical record for a total of 2...
In this paper, we tackle the accurate Structure from Motion (SfM) problem, in particular camera registration, far exceeding the memory of a single compute node. Different from the previous methods which drastically simplify the parameters of SfM, we preserve as many cameras, tracks and their corresponding connectivity as possible for a highly consistent and accurate SfM. By means of a camera cl...
We consider an application of the minimum-norm-point algorithm to submodular function minimization. Although combinatorial polynomial algorithms for submodular function minimization (SFM) have recently been obtained, there still remain (open) problems of reducing the complexity of the SFM algorithms and of constructing a practically fast SFM algorithms. We show some possible approach to the pro...
BACKGROUND This study has addressed concerns about possible effects of feeding human infants soy formula milk (SFM). METHODS This is a feeding study in marmosets, using a mainly co-twin design. From 4-5 until 35-45 days of age, co-twin males were fed by hand with either standard (cow) formula milk (SMA = controls) or with SFM for approximately 8 h each day (2 h at weekends) and intake related...
PURPOSE To prospectively compare performance indicators at screen-film mammography (SFM) and full-field digital mammography (FFDM) in a population-based screening program. MATERIALS AND METHODS The regional ethics committee approved the study; informed consent was obtained from patients. Women aged 45-69 years were assigned to undergo SFM (n=16 985) or FFDM (n=6944). Two-view mammograms were ...
In this paper, we propose a new optimization framework for improving feature selection in medical data classification. We call this framework Support Feature Machine (SFM). The use of SFM in feature selection is to find the optimal group of features that show strong separability between two classes. The separability is measured in terms of inter-class and intra-class distances. The objective of...
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