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Browsing MIT Open Access Articles by Title

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  • Cho, Taeg Sang; Levin, Anat; Durand, Fredo; Freeman, William T. (Institute of Electrical and Electronics Engineers, 2010-03)
    Object movement during exposure generates blur. Removing blur is challenging because one has to estimate the motion blur, which can spatially vary over the image. Even if the motion is successfully identified, blur removal ...
  • Miao, Jun; Wan, Zongmiao; Xia, Qun; Wood, Kirkham; Li, Guoan; Park, Won Man; Wang, Shaobai (Springer-Verlag, 2012-08)
    Objective Although some studies have reported on the kinematics of the lumbar segments with degenerative spondylolisthesis (DS), few data have been reported on the in vivo 6 degree-of-freedom kinematics of different ...
  • Rubinstein, Michael; Liu, Ce; Sand, Peter; Durand, Fredo; Freeman, William T. (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)
    Motions can occur over both short and long time scales. We introduce motion denoising, which treats short-term changes as noise, long-term changes as signal, and re-renders a video to reveal the underlying long-term events. ...
  • Caruyer, Emmanuel; Aganj, Iman; Lenglet, Christophe; Sapiro, Guillermo; Deriche, Rachid (Hindawi Publishing Corporation, 2013-01)
    The acquisition of high angular resolution diffusion MRI is particularly long and subject motion can become an issue. The orientation distribution function (ODF) can be reconstructed online incrementally from diffusion-weighted ...
  • Dong, Shuonan; Williams, Brian Charles (Institute of Electrical and Electronics Engineers (IEEE), 2011-05)
    Commanding an autonomous system through complex motions at a low level can be tedious or impractical for systems with many degrees of freedom. Allowing an operator to demonstrate the desired motions directly can often ...
  • Rubinstein, Michael; Wang, Pai; Sun, Sijie; Kang, Sung Hoon; Bertoldi, Katia; Wadhwa, Neal; Chen, Justin; Sellon, Jonathan Blake; Wei, Donglai; Ghaffari, Roozbeh; Freeman, Dennis M.; Buyukozturk, Oral; Durand, Frederic; Freeman, William T. (National Academy of Sciences (U.S.), 2017-10)
    Although the human visual system is remarkable at perceiving and interpreting motions, it has limited sensitivity, and we cannot see motions that are smaller than some threshold. Although difficult to visualize, tiny motions ...
  • Ji, Wenjie; Mukherjee, Biswaroop; Cheuk, Lawrence W.; Yefsah, Tarik; Ku, Mark Jen-Hao; Guardado Sanchez, Elmer; Zwierlein, Martin Wolfram (American Physical Society, 2014-08)
    We observe a long-lived solitary wave in a superfluid Fermi gas of [superscript 6]Li atoms after phase imprinting. Tomographic imaging reveals the excitation to be a solitonic vortex, oriented transverse to the long axis ...
  • Huang, Ivy; Rominger, Jeffrey Tsaros; Nepf, Heidi (American Society of Limnology and Oceanography, 2011)
    We consider how the flapping of kelp blades may enhance the flux of nutrients to a blade, by stripping away the diffusive sub-layer and renewing the fluid at the blade surface. The surface renewal model explains the degree ...
  • Klotz, Alexander; Soh, Beatrice W; Doyle, Patrick S (American Physical Society, 2018-05)
    Knots in DNA occur in biological systems, serve as a model system for polymer entanglement, and affect the efficacy of modern genomics technologies. We study the motion of complex knots in DNA by stretching molecules with ...
  • Hover, Franz S.; Greytak, Matthew B. (Institute of Electrical and Electronics Engineers, 2010-01)
    We present a robust motion planning algorithm for a holonomic mobile robot that incorporates the risk of collisions directly in the cost function. This deterministic algorithm uses analytic predictions of the path-following ...
  • Chen, Yu Fan; Liu, Shih-Yuan; Liu, Miao; Miller, Justin Lee; How, Jonathan P (Institute of Electrical and Electronics Engineers (IEEE), 2016-10)
    Many robotic applications require repeated, on-demand motion planning in mapped environments. In addition, the presence of other dynamic agents, such as people, often induces frequent, dynamic changes in the environment. ...
  • Poh, Ming-Zher; Swenson, Nicholas C.; Picard, Rosalind W. (Institute of Electrical and Electronics Engineers, 2010-06)
    This paper addresses the design considerations and critical evaluation of a novel embodiment for wearable photoplethysmography (PPG) comprising a magnetic earring sensor and wireless earpiece. The miniaturized sensor can ...
  • Westlund, Jacqueline Kory; D’Mello, Sidney K.; Olney, Andrew M. (Public Library of Science, 2015-06)
    Researchers in the cognitive and affective sciences investigate how thoughts and feelings are reflected in the bodily response systems including peripheral physiology, facial features, and body movements. One specific ...
  • Manso, Gustavo (American Finance Association, 2011-10)
    Motivating innovation is an important concern in many incentive problems. For example, shareholders of large corporations often need to motivate managers to pursue more innovative business strategies. This paper shows that ...
  • Amemori, Ken-ichi; Amemori, Satoko; Graybiel, Ann M. (Society for Neuroscience, 2015-02)
    The judgment of whether to accept or to reject an offer is determined by positive and negative affect related to the offer, but affect also induces motivational responses. Rewarding and aversive cues influence the firing ...
  • Obukhova, Elena (Elsevier B.V., 2012-05)
    While the idea that contacts matter in finding a job is intuitively appealing, we still do not know—after decades of research—how and why strong ties benefit job seekers. To resolve this confusion, we need to theorize how ...
  • O’Brien, Anthony T.; Amorim, Rivadavio; Rushmore, R. Jarrett; Eden, Uri; Afifi, Linda; Dipietro, Laura; Valero-Cabré, Antoni; Wagner, Tim Andrew (Frontiers Research Foundation, 2016-11)
    Background: Central post stroke pain (CPSP) is a highly refractory syndrome that can occur after stroke. Primary motor cortex (M1) brain stimulation using epidural brain stimulation (EBS), transcranial magnetic stimulation ...
  • Putrino, David F.; Chen, Zhe; Ghosh, Soumya; Brown, Emery N. (Hindawi Pub. Corp., 2011-08)
    Neurons in the Primary Motor Cortex (MI) are known to form functional ensembles with one another in order to produce voluntary movement. Neural network changes during skill learning are thought to be involved in improved ...
  • Putrino, David F.; Chen, Zhe; Ghosh, Soumya; Brown, Emery N. (Hindawi Pub. Corp., 2011-08)
    Neurons in the Primary Motor Cortex (MI) are known to form functional ensembles with one another in order to produce voluntary movement. Neural network changes during skill learning are thought to be involved in improved ...
  • Wendler, Petra; Shorter, James; Snead, David; Plisson, Celia; Clare, Daniel K.; Saibil, Helen R.; Lindquist, Susan (Elsevier, 2009-04)
    The protein-remodeling machine Hsp104 dissolves amorphous aggregates as well as ordered amyloid assemblies such as yeast prions. Force generation originates from a tandem AAA+ (ATPases associated with various cellular ...
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