Results 201 to 210 of about 54,655 (258)
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Tomography with unknown view angles
1997 IEEE International Conference on Acoustics, Speech, and Signal Processing, 1997We address the problem of parallel beam tomographic reconstruction when the angles at which the projections are taken are unknown. The problem arises in medical imaging owing to patient motion, and in imaging of viruses from a single projection of many identical units at random orientations.
Samit Basu, Yoram Bresler
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Pattern Recognition Letters, 1991
A novel object operation is proposed, where each point in a destination image contains the value of the 'view angle' with which it can see the object in the source image. Thresholding a view angle image at 180^o gives the convex hull of the objects in the source image.
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A novel object operation is proposed, where each point in a destination image contains the value of the 'view angle' with which it can see the object in the source image. Thresholding a view angle image at 180^o gives the convex hull of the objects in the source image.
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Feasibility of tomography with unknown view angles
Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269), 2000In the standard two-dimensional (2-D) parallel beam tomographic formulation, it is generally assumed that the angles at which the projections were acquired are known. We have previously demonstrated, however, that under fairly mild conditions these view angles can be uniquely recovered from the projections themselves.
Samit Basu, Yoram Bresler
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Estimating viewing angles in mobile street view search
2012 19th IEEE International Conference on Image Processing, 2012Recent years have witnessed an exciting progress in mobile visual search with applications to location recognition and streaming augmented reality. Most existing works among them are deployed with reference images coming from street views in urban scene. In such scenario, an interesting yet untouched problem is how to determine the viewing angle of the
Deli Pei +3 more
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Oblique angled view for coracoid fractures
Skeletal Radiology, 1983In cases of shoulder injury when clinical signs suggest a possible coracoid fracture, a 20 degree posterior oblique film with 20 degrees of cephalad angulation has been shown to demonstrate coracoid fractures when other views have been inconclusive.
R P, Goldberg, B, Vicks
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Multimedia education-several-angles view
Proceedings Third International Conference on Computational Intelligence and Multimedia Applications. ICCIMA'99 (Cat. No.PR00300), 2003The multimedia and advanced technologies are bringing enormous changes in the field of education, especially education for future computer professionals. Additional ways for students to interact with their study materials, as well as with their teachers, are available.
Putnik, Zoran, Lomić, Marijana
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Uniqueness of tomography with unknown view angles
IEEE Transactions on Image Processing, 2000In the standard two-dimensional (2-D) parallel beam tomographic formulation, it is assumed that the angles at which the projections were acquired are known. In certain situations, however, these angles are known only approximately (as in the case of magnetic resonance imaging (MRI) of a moving patient), or are completely unknown. The latter occurs in a
Samit Basu, Yoram Bresler
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Viewing angle analysis for wide-viewing angle multi-layer integral imaging display
2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009We describe a viewing angle of wide-viewing multi-layered integral imaging display. The viewing angle is dependent on the position of the integrated image point.
Ganbat Baasantseren +2 more
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2014
A wide-angle viewing system offers a panoramic view of the surgical field and also improves the safety and efficacy of the vitreoretinal surgical procedure. Surgeons can easily observe the fundus in almost the whole area and evaluate the retinal pathologies through the panoramic view even in eyes with small pupils, corneal opacity, or eyes implanted ...
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A wide-angle viewing system offers a panoramic view of the surgical field and also improves the safety and efficacy of the vitreoretinal surgical procedure. Surgeons can easily observe the fundus in almost the whole area and evaluate the retinal pathologies through the panoramic view even in eyes with small pupils, corneal opacity, or eyes implanted ...
openaire +2 more sources