A Low Error Reconstruction Method for Confocal Holography and Limited View Tomography to Determine 3-Dimensional Properties

2007 ◽  
Vol 13 (S02) ◽  
Author(s):  
P Jacquemin ◽  
R Herring ◽  
S Atalick
Keyword(s):  
Reconstruction Method ◽  
Dimensional Properties ◽  
3 Dimensional

scholarly journals A Low Error Reconstruction Method for Confocal Holography using Limited View Tomography to Determine 3-Dimensional Properties

2010 ◽  
Vol 16 (S2) ◽  
pp. 288-289 ◽  
Author(s):  
PB Jacquemin ◽  
RA Herring
Keyword(s):  
Reconstruction Method ◽  
Dimensional Properties ◽  
3 Dimensional

Extended abstract of a paper presented at Microscopy and Microanalysis 2010 in Portland, Oregon, USA, August 1 – August 5, 2010.

Confrontation of the H-V Illusion and a Test of 3-Dimensional Pictorial Perception in Nigeria

1970 ◽  
Vol 31 (1) ◽  
pp. 105-106 ◽  
Author(s):  
Mallory Wober
Keyword(s):  
Cognitive Skills ◽  
Dimensional Properties ◽  
3 Dimensional ◽  
Pictorial Perception

2 rests previously used separately in investigating Africans' cognitive skills, both imply that they examine ways in which Ss infer 3-dimensional properties from (2-dimensional) lines on paper. These tests were given to 2 separate samples of Nigerian adults, yielding zero correlations. Some implications are discussed.

scholarly journals The Design of Bali Island Tourism Animation As a Media for Promotion of Tourism

2020 ◽  
Author(s):  
Rakha Bayu Pratama ◽  
Andy Pramono ◽  
Joko Samudro
Keyword(s):  
Design Model ◽  
3D Animation ◽  
Dimensional Properties ◽  
Tourist Attractions ◽  
3 Dimensional ◽  
Tourism Sector ◽  
Visualization Process ◽  
Post Production

The tourist animation created for Bali Island is one of the promotional media used by the tourism sector. This animation presents information on various tourist attractions in Bali. In this case, it was supported by previous research by Niko Kurniawan with the theme of 3D Ergonomic patterns, and supported by Andy Pramono’s article themed 3D Animation using keyframe parameters. This animation visualization process is based on the source of the video that was made before, namely Bali Island Infographics by Afif CR. The process of making this tourist animation includes 3 stages, namely pre-production, production and post-production. While the design model used is a descriptive procedural model, which outlines the steps that must be taken to produce the product. This design produces 2 characters and 8 3-dimensional properties along with a combination of 2-dimensional animation that is harmonized into an animated video unit with a duration of 3 minutes 20 seconds. Keywords: animation, 3-dimension, tourism

PEDIATRIC CRANIOFACIAL DISFIGUREMENT WITH AUTOLOGOUS RIBS BONE GRAFT RECONSTRUCTION

2018 ◽  
Vol 1 (3) ◽  
Author(s):  
Anne Saputra ◽  
Wayan Niryana ◽  
Made Suka Adnyana
Keyword(s):  
Bone Graft ◽  
Skull Base ◽  
Autogenous Bone ◽  
Tumour Resection ◽  
Reconstruction Method ◽  
Functional Requirements ◽  
Skull Base Tumour ◽  
3 Dimensional ◽  
Dimensional Reconstruction ◽  
Autologous Bone Grafts

Pediatric reconstruction of the cranial defect is a challenging task, the standard reconstruction method has been bone grafting. The reconstruction of complex facial defects should satisfy both aesthetic and functional requirements. In the case of large defects, the use of craniofacial prostheses using autogenous bone is the material of choice because of its potential for revascularization and its osteoconductive properties. A 3-year-old patient has facial disfgurement as result from bone defciency following anterior skull base tumour resection. To minimize the associated functional and cosmetic problems, a number  of reconstructive options are available to the surgeon including the use of autogenous and alloplastic implants. A computed tomography (CT) 3-dimensional reconstruction scan showed a large craniofacial defect as residual radical skull base tumour resection. A transcranial approach by a neurosurgeon and plastic surgery was performed to reconstruct the defect using autologous rib bone graft. Six months after the reconstruction surgery, a defect of the craniofacial was narrowing without cranial nerve defcits.Complex reconstructions of extensive defects in craniofacial area can be achieved using autologous bone grafts. They yield reasonable functional and aesthetic outcomes and noticeably improves the qualityof life.

Three-Dimensional Reconstruction Using Stereo Pairs from Serial Thick Sections

1977 ◽  
Vol 35 ◽  
pp. 562-563
Author(s):  
Robert Glaeser ◽  
Thomas Bauer ◽  
David Grano
Keyword(s):  
Three Dimensional ◽  
Dimensional Structure ◽  
Serial Sections ◽  
Thin Sections ◽  
3 Dimensional ◽  
Transmission Electron ◽  
Freeze Dried ◽  
Dimensional Reconstruction ◽  
Stereo Imagery ◽  
Whole Mounts

In transmission electron microscopy, the 3-dimensional structure of an object is usually obtained in one of two ways. For objects which can be included in one specimen, as for example with elements included in freeze- dried whole mounts and examined with a high voltage microscope, stereo pairs can be obtained which exhibit the 3-D structure of the element. For objects which can not be included in one specimen, the 3-D shape is obtained by reconstruction from serial sections. However, without stereo imagery, only detail which remains constant within the thickness of the section can be used in the reconstruction; consequently, the choice is between a low resolution reconstruction using a few thick sections and a better resolution reconstruction using many thin sections, generally a tedious chore. This paper describes an approach to 3-D reconstruction which uses stereo images of serial thick sections to reconstruct an object including detail which changes within the depth of an individual thick section.

Structural preservation and absolute contrast of catalase crystal sections prepared with tannic acid

1983 ◽  
Vol 41 ◽  
pp. 448-449
Author(s):  
C.W. Akey ◽  
M. Szalay ◽  
S.J. Edelstein
Keyword(s):  
Tannic Acid ◽  
Beef Heart ◽  
X Rays ◽  
Screw Axis ◽  
General Applicability ◽  
Thin Sections ◽  
Beef Liver ◽  
3 Dimensional ◽  
Dimensional Reconstruction ◽  
Structural Preservation

Three methods of obtaining 20 Å resolution in sectioned protein crystals have recently been described. They include tannic acid fixation, low temperature embedding and grid sectioning. To be useful for 3-dimensional reconstruction thin sections must possess suitable resolution, structural fidelity and a known contrast. Tannic acid fixation appears to satisfy the above criteria based on studies of crystals of Pseudomonas cytochrome oxidase, orthorhombic beef liver catalase and beef heart F1-ATPase. In order to develop methods with general applicability, we have concentrated our efforts on a trigonal modification of catalase which routinely demonstrated a resolution of 40 Å. The catalase system is particularly useful since a comparison with the structure recently solved with x-rays will permit evaluation of the accuracy of 3-D reconstructions of sectioned crystals.Initially, we re-evaluated the packing of trigonal catalase crystals studied by Longley. Images of the (001) plane are of particular interest since they give a projection down the 31-screw axis in space group P3121. Images obtained by the method of Longley or by tannic acid fixation are negatively contrasted since control experiments with orthorhombic catalase plates yield negatively stained specimens with conditions used for the larger trigonal crystals.

Deviations from Ideal Decagonal Symmetry in Electron Diffraction Patterns of the “Decagonal” Phase in the Al-Co-Cu Alloy System

1991 ◽  
Vol 49 ◽  
pp. 914-915
Author(s):  
Atul S. Ramani ◽  
Earle R. Ryba ◽  
Paul R. Howell
Keyword(s):  
Electron Microscope ◽  
Alloy System ◽  
Nominal Composition ◽  
Dimensional Lattice ◽  
3 Dimensional ◽  
Decagonal Phase ◽  
Cu Alloy ◽  
Transmission Electron ◽  
Lattice Periodicity ◽  
Diffraction Patterns

The “decagonal” phase in the Al-Co-Cu system of nominal composition Al65CO15Cu20 first discovered by He et al. is especially suitable as a topic of investigation since it has been claimed that it is thermodynamically stable and is reported to be periodic in the dimension perpendicular to the plane of quasiperiodic 10-fold symmetry. It can thus be expected that it is an important link between fully periodic and fully quasiperiodic phases. In the present paper, we report important findings of our transmission electron microscope (TEM) study that concern deviations from ideal decagonal symmetry of selected area diffraction patterns (SADPs) obtained from several “decagonal” phase crystals and also observation of a lattice of main reflections on the 10-fold and 2-fold SADPs that implies complete 3-dimensional lattice periodicity and the fundamentally incommensurate nature of the “decagonal” phase. We also present diffraction evidence for a new transition phase that can be classified as being one-dimensionally quasiperiodic if the lattice of main reflections is ignored.

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