Results 161 to 170 of about 2,885 (209)
Visual and Refractive Outcomes of a Hydrophobic Trifocal Diffractive Intraocular Lens in Eyes with Different Axial Lengths. [PDF]
Clin OphthalmolBosc C +5 more
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Comparison of Visual Performance and Patient Satisfaction Between Two Trifocal Intraocular Lenses: A Prospective, Paired-Eye Comparative Study. [PDF]
Clin OphthalmolKang S +6 more
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Erratum: Visual, Refractive, Functional, and Patient Satisfaction Outcomes After Implantation of a New Trifocal Diffractive Intraocular Lens [Corrigendum]. [PDF]
Clin Ophthalmoleuropepmc +1 more source
Constraints for the Trifocal Tensor
, 2009 In this chapter we give an account of two different methods to find constraints for the trifocal tensor Т, used in geometric computer vision. We also show how to single out a set of only eight equations that are generically complete, i.e. for a generic choice of Т, they suffice to decide whether Т is indeed trifocal. Note that eight is minimum possible
A. Alzati, A. Tortora
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American Journal of Ophthalmology, 1997
To report the singular case of a patient who developed three noncontiguous uveal melanomas over a 30-year period.Case report.Systemic evaluation of a 50-year-old man with an iris melanoma and bilateral choroidal melanomas disclosed no evidence of metastases or other primary neoplastic disease.Although rare, the possibility of bilateral and multifocal ...
Lois, N. +4 more
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To report the singular case of a patient who developed three noncontiguous uveal melanomas over a 30-year period.Case report.Systemic evaluation of a 50-year-old man with an iris melanoma and bilateral choroidal melanomas disclosed no evidence of metastases or other primary neoplastic disease.Although rare, the possibility of bilateral and multifocal ...
Lois, N. +4 more
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Journal of Refractive Surgery, 2021
PURPOSE: To evaluate the visual and refractive outcomes, visual quality, patient satisfaction, and spectacle independence after phacoemulsification with bilateral implantation of a diffractive trifocal intraocular lens (IOL).
Alaa, Eldanasoury +2 more
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PURPOSE: To evaluate the visual and refractive outcomes, visual quality, patient satisfaction, and spectacle independence after phacoemulsification with bilateral implantation of a diffractive trifocal intraocular lens (IOL).
Alaa, Eldanasoury +2 more
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Automated refraction after trifocal and trifocal toric intraocular lens implantation
European Journal of Ophthalmology, 2020Background: To analyze the correlation between automated refraction and manifest refraction after implantation of a trifocal intraocular lens or its toric version. Methods: This cross-sectional study involved 105 eyes of 105 patients ...
Laureano A Rementería-Capelo +4 more
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2019
In this paper we introduce a fast and robust structure-less alternative to full bundle adjustment. The method is based on optimizing algebraic errors for trilinear constraints from triplets of views. It is shown that the error generated by a triplet of views can be described by a fixed triangular \(27 \times 27\) matrix regardless of the number of ...
Patrik Persson, Kalle Åström
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In this paper we introduce a fast and robust structure-less alternative to full bundle adjustment. The method is based on optimizing algebraic errors for trilinear constraints from triplets of views. It is shown that the error generated by a triplet of views can be described by a fixed triangular \(27 \times 27\) matrix regardless of the number of ...
Patrik Persson, Kalle Åström
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2004
The trifocal tensor plays an analogous role in three views to that played by the fundamental matrix in two. It encapsulates all the (projective) geometric relations between three views that are independent of scene structure. We begin this chapter with a simple introduction to the main geometric and algebraic properties of the trifocal tensor.
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The trifocal tensor plays an analogous role in three views to that played by the fundamental matrix in two. It encapsulates all the (projective) geometric relations between three views that are independent of scene structure. We begin this chapter with a simple introduction to the main geometric and algebraic properties of the trifocal tensor.
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A new characterization of the trifocal tensor
1998This paper deals with the problem of characterizing and parametrizing the manifold of trifocal tensors that describe the geometry of three views like the fundamental matrix characterizes the geometry of two. The paper contains two new results. First a new, simpler, set of algebraic constraints that characterizes the set of trifocal tensors is presented.
Théodore Papadopoulo +1 more
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