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480 Matching Results
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Factoring Algebraic Error for Relative Pose Estimation
We address the problem of estimating the relative pose, i.e. translation and rotation, of two calibrated cameras from image point correspondences. Our approach is to factor the nonlinear algebraic pose error functional into translational and rotational components, and to optimize translation and rotation independently. This factorization admits subproblems that can be solved using direct methods with practical guarantees on global optimality. That is, for a given translation, the corresponding optimal rotation can directly be determined, and vice versa. We show that these subproblems are equivalent to computing the least eigenvector of second- and fourth-order symmetric tensors. When neither translation or rotation is known, alternating translation and rotation optimization leads to a simple, efficient, and robust algorithm for pose estimation that improves on the well-known 5- and 8-point methods.
Date:
March 9, 2009
Creator:
Lindstrom, P & Duchaineau, M
Object Type:
Report
System:
The UNT Digital Library
Faculty Recital: 2009-03-09 - William Scharnberg
Access:
Use of this item is restricted to the UNT Community
A faculty recital performed at the UNT College of Music Recital Hall.
Date:
March 9, 2009
Creator:
Scharnberg, William
Object Type:
Sound
System:
The UNT Digital Library
Federal Register, Volume 74, Number 44, March 9, 2009, Pages 9951-10164
Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date:
March 9, 2009
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Final Technical Report, Grant DE-FG02-87ER13714, "Fundamental Studies of Metastable Liquids"
Grant DE-FG02-87ER13714 supported fundamental work on the physical properties of metastable liquids from 6/1/87 to 4/30/08. Renewal proposals were submitted every three years (1990, 1993, 1996, 1999, 2002, 2005), and included, in every case, a detailed Final Technical Report on the previous three years. Accordingly, the bulk of this report covers the final 2-year period 5/1/06 to 4/30/08 of this grant, which is not covered in any of the previous Final Technical Reports. This is preceded by a brief overview of the main research objectives and principal accomplishments during these very fruitful and productive 21 years of DOE-funded research.
Date:
March 9, 2009
Creator:
Debenedetti, Pablo G.
Object Type:
Report
System:
The UNT Digital Library
The Financial Crisis: Impact on and Response by The European Union
This report discusses the global financial crisis and resulting geopoligical situation in detail. It also discusses individual efforts by both the U.S. and European Union (EU) to combat the effects of the crisis by attempting to resolve the financial crisis while stimulating domestic demand to stem the economic downturn.
Date:
March 9, 2009
Creator:
Jackson, James K.
Object Type:
Report
System:
The UNT Digital Library
First Train To Cross New Trinity Railway Express Bridge On March 9
News release about the TRE's new express bridge, which will bypass railroad crossings and reduce noise from the train.
Date:
March 9, 2009
Creator:
Lyons, Morgan & Kunke, Laurie M.
Object Type:
Text
System:
The Portal to Texas History
[Funeral Program for James Bibbs, March 9, 2009]
Funeral program for Deacon Emeritus James Bibbs, born January 9, 1927 and died March 2, 2009. The funeral was held March 9, 2009 at Friendship Baptist Church, officiated by Rev. Hamice R. James, Pastor. Funeral arrangements were made through Lewis Funeral Home and he was buried in Meadowlawn Cemetery.
Date:
March 9, 2009
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
Guest Artist Recital: 2009-03-09 - Michael Norsworthy, clarinet
Access:
Use of this item is restricted to the UNT Community
A guest artist lecture recital performed at the UNT College of Music Concert Hall.
Date:
March 9, 2009
Creator:
Norsworthy, Michael
Object Type:
Sound
System:
The UNT Digital Library
High-resolution, high-transmission soft x-ray spectrometer for the study of biological samples
We present a variable line-space grating spectrometer for soft x-rays that covers the photon energy range between 130 and 650 eV. The optical design is based on the Hettrick-Underwood principle and tailored to synchrotron-based studies of radiation-sensitive biological samples. The spectrometer is able to record the entire spectral range in one shot, i.e., without any mechanical motion, at a resolving power of 1200 or better. Despite its slitless design, such a resolving power can be achieved for a source spot as large as 30x3000 mu m2, which is important for keeping beam damage effects in radiation-sensitive samples low. The high spectrometer efficiency allows recording of comprehensive two-dimensional resonant inelastic soft x-ray scattering (RIXS) maps with good statistics within several minutes. This is exemplarily demonstrated for a RIXS map of highly oriented pyrolytic graphite, which was taken within 10 min.
Date:
March 9, 2009
Creator:
Fuchs, Oliver; Weinhardt, L.; Blum, M.; Weigand, M.; Umbach, E.; Bar, M. et al.
Object Type:
Article
System:
The UNT Digital Library
The Iran Sanctions Act (ISA)
This report discusses the increasing international pressure on Iran to curb its nuclear program and how that pressure discourages foreign firms from investing in Iran's energy sector, hindering Iran's efforts to expand oil production. It also discusses the history and progress of the formal U.S. effort to curb energy investment in Iran, which began with the Iran Sanctions Act (ISA) in 1996
Date:
March 9, 2009
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Israeli-Arab Negotiations: Background, Conflicts, and U.S. Policy
This report discusses issues related to peace in the Middle East, including post-Gulf War negotiations between Israel and the Palestinians, Jordan, Syria, and Lebanon; U.S. interest in these and continuing negotiations and peacetalks between Middle Eastern countries; and the role of the U.S., the U.N., the European Union, and Russia in Middle Eastern relations.
Date:
March 9, 2009
Creator:
Migdalovitz, Carol
Object Type:
Report
System:
The UNT Digital Library
Management and Development of the Western Resources Project
The purpose of this project was to manage the Western Resources Project, which included a comprehensive, basin-wide set of experiments investigating the impacts of coal bed methane (CBM; a.k.a. coal bed natural gas, CBNG) production on surface and groundwater in the Powder River Basin in Wyoming. This project included a number of participants including Apache Corporation, Conoco Phillips, Marathon, the Ucross Foundation, Stanford University, the University of Wyoming, Montana Bureau of Mines and Geology, and Western Research Institute.
Date:
March 9, 2009
Creator:
Brown, Terry
Object Type:
Report
System:
The UNT Digital Library
Master's Recital: 2009-03-09 - Marty Bishop, trumpet
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
March 9, 2009
Creator:
Bishop, Marty
Object Type:
Sound
System:
The UNT Digital Library
Medicare's Hospice Benefit
This report discusses Medicare's hospice benefit, which was provides care that specializes in the relief of the pain and symptoms associated with a terminal illness and the provision of supportive and counseling services to patients and their families during the final stages of a patient's illness and death.
Date:
March 9, 2009
Creator:
Stone, Julie
Object Type:
Report
System:
The UNT Digital Library
New Geophysical Technique for Mineral Exploration and Mineral Discrimination Based on Electromagnetic Methods
The research during the first two years of the project was focused on developing the foundations of a new geophysical technique for mineral exploration and mineral discrimination, based on electromagnetic (EM) methods. The developed new technique is based on examining the spectral induced polarization effects in electromagnetic data using effective-medium theory and advanced methods of 3-D modeling and inversion. The analysis of IP phenomena is usually based on models with frequency dependent complex conductivity distribution. In this project, we have developed a rigorous physical/mathematical model of heterogeneous conductive media based on the effective-medium approach. The new generalized effective-medium theory of IP effect (GEMTIP) provides a unified mathematical method to study heterogeneity, multi-phase structure, and polarizability of rocks. The geoelectrical parameters of a new composite conductivity model are determined by the intrinsic petrophysical and geometrical characteristics of composite media: mineralization and/or fluid content of rocks, matrix composition, porosity, anisotropy, and polarizability of formations. The new GEMTIP model of multi-phase conductive media provides a quantitative tool for evaluation of the type of mineralization, and the volume content of different minerals using electromagnetic data. We have developed a 3-D EM-IP modeling algorithm using the integral equation (IE) method. Our IE forward modeling software …
Date:
March 9, 2009
Creator:
Zhdanov, Michael S.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Cooperation with Other Countries: A Primer
This report discusses section 123 of the Atomic Energy Act (AEA), the specific requirements of which must be met in order for the United States to engage in civilian nuclear cooperation with other states. The AEA also provides for exemptions to these requirements, export control licensing procedures, and criteria for terminating cooperation.
Date:
March 9, 2009
Creator:
Kerr, Paul K. & Nikitin, Mary Beth
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 94, No. 111, Ed. 1 Monday, March 9, 2009
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 9, 2009
Creator:
Simons, Meredith
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
["Poets N' Jazz #3" tape 1 of 2]
Video recording from The Black Academy of Arts and Letters recorded during "Poets N' Jazz #3" featuring poets Randall Jones, Truth, Lady Vi, and Rein on March 6th, 2009 at the Clarence Muse Café Theatre. The footage shows the first act of poets followed by an intermission played by a small four-person jazz band.
Date:
March 9, 2009
Creator:
King, Curtis & King, Jiles
Object Type:
Video
System:
The UNT Digital Library
Role of U(VI) Adsorption in U(VI) Reduction by Geobacter Species.
None
Date:
March 9, 2009
Creator:
Lovley, Derek, R.
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 94, No. 149, Ed. 1 Monday, March 9, 2009
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 9, 2009
Creator:
Shance, Brenda
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 111, No. 96, Ed. 1 Monday, March 9, 2009
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
March 9, 2009
Creator:
Rodriguez, Tatiana
Object Type:
Newspaper
System:
The Portal to Texas History
Technical Report-Final-Electrochemistry of Nanostructured Intercalation Hosts
We have shown that: (1) Li+ ions are inserted reversibly, without diffusion control, up to the level of at least 4 moles Li+ ions per mole for V2O5, in the aerogel (ARG) form (500 m2/g specific surface area) and aerogel-like (ARG-L) form (200 m2/g specific surface area)(6,7,1,2); (2) polyvalent cations (Al+3, Mg+2, Zn+2) may be intercalated reversibly into V2O5 (ARG) with high capacity (approaching 4 equivalents/mole V2O5 (ARG)) for each (5); (3) dopant cations such as Ag+ and Cu+2 increase the conductivity of V2O5 (XRG) up to three orders of magnitude(3), they are electrochemically active – showing reduction to the metallic-state in parallel to intercalation of Li+ ions – but are not released to the electrolyte upon oxidation and Li+ ion release (Cu+2 ions are reduced to Cu metal and reoxidized to Cu+2 in Li+ ion insertion/release cycles, but the copper ions are not released to the electrolyte over more than 400 cycles of the XRG form); (4) we have shown that Cu+2 ion (dopant) and Zn+2 ions (chemical insertion and dopant) occupy the same intercalation site inV2O5 xerogel and aerogel(4); (5) the reversible intercalation of Zn+2, Mg+2, and Al+3 in the ARG(11) indicates that these cations are “mobile”, but …
Date:
March 9, 2009
Creator:
Professor William H. Smyrl, Principal Investigator
Object Type:
Report
System:
The UNT Digital Library
Transatlantic Regulatory Cooperation: A Possible Role for Congress
This report focuses on the creation of the Transatlantic Economic Council; the role of legislatures in the regulatory process; and the Transatlantic Legislators' Dialogue and its new role as an advisor to transatlantic regulatory efforts.
Date:
March 9, 2009
Creator:
Ahearn, Raymond J. & Morelli, Vincent
Object Type:
Report
System:
The UNT Digital Library
U.S. Immigration Policy on Permanent Admissions
This report discusses the four major principles underlie current U.S. policy on permanent immigration: the reunification of families, the admission of immigrants with needed skills, the protection of refugees, and the diversity of admissions by country of origin.
Date:
March 9, 2009
Creator:
Wasem, Ruth Ellen
Object Type:
Report
System:
The UNT Digital Library