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https://www.readbyqxmd.com/read/28335498/on-the-prediction-of-flickr-image-popularity-by-analyzing-heterogeneous-social-sensory-data
#1
Samah Aloufi, Shiai Zhu, Abdulmotaleb El Saddik
The increase in the popularity of social media has shattered the gap between the physical and virtual worlds. The content generated by people or social sensors on social media provides information about users and their living surroundings, which allows us to access a user's preferences, opinions, and interactions. This provides an opportunity for us to understand human behavior and enhance the services provided for both the real and virtual worlds. In this paper, we will focus on the popularity prediction of social images on Flickr, a popular social photo-sharing site, and promote the research on utilizing social sensory data in the context of assisting people to improve their life on the Web...
March 19, 2017: Sensors
https://www.readbyqxmd.com/read/28335482/improved-wallis-dodging-algorithm-for-large-scale-super-resolution-reconstruction-remote-sensing-images
#2
Chong Fan, Xushuai Chen, Lei Zhong, Min Zhou, Yun Shi, Yulin Duan
A sub-block algorithm is usually applied in the super-resolution (SR) reconstruction of images because of limitations in computer memory. However, the sub-block SR images can hardly achieve a seamless image mosaicking because of the uneven distribution of brightness and contrast among these sub-blocks. An effectively improved weighted Wallis dodging algorithm is proposed, aiming at the characteristic that SR reconstructed images are gray images with the same size and overlapping region. This algorithm can achieve consistency of image brightness and contrast...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28334963/three-and-four-dimensional-mapping-of-speech-and-language-in-patients-with-epilepsy
#3
Yasuo Nakai, Jeong-Won Jeong, Erik C Brown, Robert Rothermel, Katsuaki Kojima, Toshimune Kambara, Aashit Shah, Sandeep Mittal, Sandeep Sood, Eishi Asano
We have provided 3-D and 4D mapping of speech and language function based upon the results of direct cortical stimulation and event-related modulation of electrocorticography signals. Patients estimated to have right-hemispheric language dominance were excluded. Thus, 100 patients who underwent two-stage epilepsy surgery with chronic electrocorticography recording were studied. An older group consisted of 84 patients at least 10 years of age (7367 artefact-free non-epileptic electrodes), whereas a younger group included 16 children younger than age 10 (1438 electrodes)...
March 16, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334576/stemsalabim-a-high-performance-computing-cluster-friendly-code-for-scanning-transmission-electron-microscopy-image-simulations-of-thin-specimens
#4
Jan Oliver Oelerich, Lennart Duschek, Jürgen Belz, Andreas Beyer, Sergei D Baranovskii, Kerstin Volz
We present a new multislice code for the computer simulation of scanning transmission electron microscope (STEM) images based on the frozen lattice approximation. Unlike existing software packages, the code is optimized to perform well on highly parallelized computing clusters, combining distributed and shared memory architectures. This enables efficient calculation of large lateral scanning areas of the specimen within the frozen lattice approximation and fine-grained sweeps of parameter space.
March 10, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28334242/reciprocal-connections-between-cortex-and-thalamus-contribute-to-retinal-axon-targeting-to-dorsal-lateral-geniculate-nucleus
#5
Yupu Diao, Liyuan Cui, Yuqing Chen, Timothy J Burbridge, Wenqi Han, Brunhilde Wirth, Nenad Sestan, Michael C Crair, Jiayi Zhang
The dorsal Lateral Geniculate Nucleus (dLGN) is the primary image-forming target of the retina and shares a reciprocal connection with primary visual cortex (V1). Previous studies showed that corticothalamic input is essential for the development of thalamocortical projections, but less is known about the potential role of this reciprocal connection in the development of retinal projections. Here, we show a deficit of retinal innervation in the dLGN around E18.5 in Tra2β conditional knockout (cKO) "cortexless" mice, an age when apoptosis occurs along the thalamocortical tract and in some dLGN neurons...
March 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334159/characterization-of-white-matter-tracts-by-diffusion-mr-tractography-in-cat-and-ferret-that-have-similar-gyral-patterns
#6
Avilash Das, Emi Takahashi
The developmental relationships between gyral structures and white matter tracts have long been debated, but it is still difficult to discern whether they influence each other's development or are causally related. To explore this topic, this study used cats and ferrets as models for species that share similar gyral folding patterns and imaged with diffusion magnetic resonance imaging to compare white matter innervations in homologous gyri and other brain regions. Adult cat and ferret brains were analyzed via diffusion spectrum imaging tractography and homologous regions of interest were compared...
March 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334019/cell-survival-and-differentiation-with-nanocrystalline-glass-like-carbon-using-substantia-nigra-dopaminergic-cells-derived-from-transgenic-mouse-embryos
#7
Noela Rodriguez-Losada, Pablo Romero, Guillermo Estivill-Torrús, Roberto Guzmán de Villoria, Jose A Aguirre
Regenerative medicine requires, in many cases, physical supports to facilitate appropriate cellular architecture, cell polarization and the improvement of the correct differentiation processes of embryonic stem cells, induced pluripotent cells or adult cells. Because the interest in carbon nanomaterials has grown within the last decade in light of a wide variety of applications, the aim of this study was to test and evaluate the suitability and cytocompatibility of a particular nanometer-thin nanocrystalline glass-like carbon film (NGLC) composed of curved graphene flakes joined by an amorphous carbon matrix...
2017: PloS One
https://www.readbyqxmd.com/read/28333715/noninvasive-imaging-of-stored-red-blood-cell-transfusion-aggravating-sepsis-induced-liver-injury-associated-with-increased-activation-of-m1-polarized-kupffer-cells
#8
Tao Wu, Lei Wang, Jie An, Chao Y Wu, Yue Wang, Lu Qian, Jun Zhou, Yu L Zhang, Qian Q Zhou, Xiao H Wang, Hua F Wang, Qiu X Fu, Lin S Zhan
Liver injury has a critical effect on the severity and outcome of sepsis. The impact of stored RBCs on the pathogenesis of sepsis-associated hepatic injury is not well understood. Therefore, to investigate the effects of stored-RBC transfusion on sepsis-induced liver damage as well as the associated mechanism, we constructed a sepsis mouse model enabling non-invasive imaging of bacterial infection caused by Pseudomonas aeruginosa, a common gram-negative respiratory pathogen. We showed that transfusions with stored RBCs enhanced sepsis-induced liver injury in vivo, and liver injury exacerbated the severity of sepsis and decreased survival in P...
March 22, 2017: Shock
https://www.readbyqxmd.com/read/28332211/a-multi-channel-block-matching-denoising-algorithm-for-spectral-photon-counting-ct-images
#9
Adam P Harrison, Ziyue Xu, David A Bluemke, Amir Pourmorteza, Daniel J Mollura
PURPOSE: We present a denoising algorithm designed for a whole-body prototype photon-counting computed tomography (PCCT) scanner with up to 4 energy thresholds and associated energy-binned images. METHODS: Spectral PCCT images can exhibit low signal to noise ratios (SNRs) due to the limited photon counts in each simultaneously-acquired energy bin. To help address this, our denoising method exploits the correlation and exact alignment between energy bins, adapting the highly-effective block-matching 3D (BM3D) denoising algorithm for PCCT...
March 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28331634/multi-modal-imaging-and-anatomic-classification-of-the-white-dot-syndromes
#10
REVIEW
Meisha L Raven, Alexander L Ringeisen, Yoshihiro Yonekawa, Maxwell S Stem, Lisa J Faia, Justin L Gottlieb
The white dot syndromes (WDS) are a diverse group of posterior uveitidies that share similar clinical findings but are unique from one another. Multimodal imaging has allowed us to better understand the morphology, the activity and age of lesions, and whether there is CNV associated with these different ocular pathologies. The "white dot syndromes" and their uveitic masqueraders can now be anatomically categorized based on lesion localization. The categories include local uveitic syndromes with choroidal pathology, systemic uveitic syndromes with choroidal pathology, and multifocal choroiditis with outer retinal/choriocapillaris pathology with uveitis and without uveitis...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28331084/structural-insights-into-emerging-pediatric-pathogens-human-bocaparvoviruses
#11
Mario Mietzsch, Shweta Kailasan, Jamie Garrison, Maria Ilyas, Paul Chipman, Kalle Kantola, Mandy E Janssen, John Spear, Duncan Sousa, Robert McKenna, Kevin Brown, Maria Söderlund-Venermo, Timothy Baker, Mavis Agbandje-McKenna
Bocaparvoviruses are emerging pathogens of the Parvoviridae family. Human bocaviruses 1 (HBoV1) causes severe respiratory infections and HBoV2-4 gastrointestinal infections in young children. Recent reports of life threatening cases, lack of direct treatment or vaccination, and a limited understanding of their disease mechanisms demand the need to study these pathogens on a molecular and structural level for the development of therapeutics. Towards this end, the capsid structures of HBoV1, HBoV3, and HBoV4 were determined to 2...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28330542/-lewy-body-dementias
#12
Annemette Løkkegaard, Lise Korbo
Dementia with Lewy bodies and Parkinson disease dementia share the same pathophysiology. Together they are called Lewy body dementias and are the second most common type of dementia. Lewy body dementias receive little attention, and patients are often misdiagnosed, leading to less than ideal management. In this article, diagnostic criteria combined with imaging and other biomarkers as well as current treatment recommendations are summarized, and some of the challenges for the future are outlined. Refinement of diagnosis and clarification of the pathogenesis are required in search for disease-modifying treatments...
March 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28328119/cover-image-volume-173a-number-4-april-2017
#13
Paul Kruszka, Yonit A Addissie, Daniel E McGinn, Antonio R Porras, Elijah Biggs, Matthew Share, T Blaine Crowley, Brian H Y Chung, Gary T K Mok, Christopher C Y Mak, Premala Muthukumarasamy, Meow-Keong Thong, Nirmala D Sirisena, Vajira H W Dissanayake, C Sampath Paththinige, L B Lahiru Prabodha, Rupesh Mishra, Vorasuk Shotelersuk, Ekanem Nsikak Ekure, Ogochukwu Jidechukwu Sokunbi, Nnenna Kalu, Carlos R Ferreira, Jordann-Mishael Duncan, Siddaramappa Jagdish Patil, Kelly L Jones, Julie D Kaplan, Omar A Abdul-Rahman, Annette Uwineza, Leon Mutesa, Angélica Moresco, María Gabriela Obregon, Antonio Richieri-Costa, Vera L Gil-da-Silva-Lopes, Adebowale A Adeyemo, Marshall Summar, Elaine H Zackai, Donna M McDonald-McGinn, Marius George Linguraru, Maximilian Muenke
The cover image, by Paul Kruszka et al., is based on the Original Article 22q11.2 deletion syndrome in diverse populations, DOI: 10.1002/ajmg.a.38199. Individual images are property of the National Human Genome Research Institute and are in the public domain.
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28328118/22q11-2-deletion-syndrome-in-diverse-populations
#14
Paul Kruszka, Yonit A Addissie, Daniel E McGinn, Antonio R Porras, Elijah Biggs, Matthew Share, T Blaine Crowley, Brian H Y Chung, Gary T K Mok, Christopher C Y Mak, Premala Muthukumarasamy, Meow-Keong Thong, Nirmala D Sirisena, Vajira H W Dissanayake, C Sampath Paththinige, L B Lahiru Prabodha, Rupesh Mishra, Vorasuk Shotelersuk, Ekanem Nsikak Ekure, Ogochukwu Jidechukwu Sokunbi, Nnenna Kalu, Carlos R Ferreira, Jordann-Mishael Duncan, Siddaramappa Jagdish Patil, Kelly L Jones, Julie D Kaplan, Omar A Abdul-Rahman, Annette Uwineza, Leon Mutesa, Angélica Moresco, María Gabriela Obregon, Antonio Richieri-Costa, Vera L Gil-da-Silva-Lopes, Adebowale A Adeyemo, Marshall Summar, Elaine H Zackai, Donna M McDonald-McGinn, Marius George Linguraru, Maximilian Muenke
22q11.2 deletion syndrome (22q11.2 DS) is the most common microdeletion syndrome and is underdiagnosed in diverse populations. This syndrome has a variable phenotype and affects multiple systems, making early recognition imperative. In this study, individuals from diverse populations with 22q11.2 DS were evaluated clinically and by facial analysis technology. Clinical information from 106 individuals and images from 101 were collected from individuals with 22q11.2 DS from 11 countries; average age was 11.7 and 47% were male...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28327936/guidock-vnc-using-a-graphical-desktop-sharing-system-to-provide-a-browser-based-interface-for-containerized-software
#15
Varun Mittal, Ling-Hong Hung, Jayant Keswani, Daniel Kristiyanto, Sung Bong Lee, Ka Yee Yeung
Background: Software container technology such as Docker can be used to package and distribute bioinformatics workflows consisting of multiple software implementations and dependencies. However, Docker is a command line based tool and many bioinformatics pipelines consist of components that require a graphical user interface. Findings: We present a container tool called GUIdock-VNC that uses a graphical desktop sharing system to provide a browser-based interface for containerized software...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28325037/time-shared-twin-memristor-crossbar-reducing-the-number-of-arrays-by-half-for-pattern-recognition
#16
Son Ngoc Truong, Khoa Van Pham, Wonsun Yang, Anjae Jo, Mi Jung Lee, Hyun-Sun Mo, Kyeong-Sik Min
In this paper, we propose a new time-shared twin memristor crossbar for pattern-recognition applications. By sharing two memristor arrays at different time, the number of memristor arrays can be reduced by half, saving the crossbar area by half, too. To implement the time-shared twin memristor crossbar, we also propose CMOS time-shared subtractor circuit, in this paper. The operation of the time-shared twin memristor crossbar is verified using 3 × 3 memristor array which is made of aluminum film and carbon fiber...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28319558/effects-of-medical-interventions-on-gender-dysphoria-and-body-image-a-follow-up-study
#17
Tim C van de Grift, Els Elaut, Susanne C Cerwenka, Peggy T Cohen-Kettenis, Griet De Cuypere, Hertha Richter-Appelt, Baudewijntje P C Kreukels
OBJECTIVES: The aim of the European Network for the Investigation of Gender Incongruence is to investigate the status of all individuals who had applied for gender confirming interventions from 2007 until 2009, irrespective of whether they received treatment. The current article describes the study protocol, the effect of medical treatment on gender dysphoria and body image, and the predictive value of (pre)treatment factors on post-treatment outcomes. METHODS: Data were collected on medical interventions, transition status, gender dysphoria (Utrecht Gender Dysphoria Scale), and body image (Body Image Scale for Transsexuals)...
March 18, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28316772/neural-circuitry-at-age-6%C3%A2-months-associated-with-later-repetitive-behavior-and-sensory-responsiveness-in-autism
#18
Jason J Wolff, Meghan R Swanson, Jed T Elison, Guido Gerig, John R Pruett, Martin A Styner, Clement Vachet, Kelly N Botteron, Stephen R Dager, Annette M Estes, Heather C Hazlett, Robert T Schultz, Mark D Shen, Lonnie Zwaigenbaum, Joseph Piven
BACKGROUND: Restricted and repetitive behaviors are defining features of autism spectrum disorder (ASD). Under revised diagnostic criteria for ASD, this behavioral domain now includes atypical responses to sensory stimuli. To date, little is known about the neural circuitry underlying these features of ASD early in life. METHODS: Longitudinal diffusion tensor imaging data were collected from 217 infants at high familial risk for ASD. Forty-four of these infants were diagnosed with ASD at age 2...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28316568/towards-a-functional-understanding-of-pgo-waves
#19
REVIEW
Jarrod A Gott, David T J Liley, J Allan Hobson
Ponto-Geniculo-Occipital (PGO) waves are biphasic field potentials identified in a range of mammalian species that are ubiquitous with sleep, but can also be identified in waking perception and eye movement. Their role in REM sleep and visual perception more broadly may constitute a promising avenue for further research, however what was once an active field of study has recently fallen into stasis. With the reality that invasive recordings performed on animals cannot be replicated in humans; while animals themselves cannot convey experience to the extent required to elucidate how PGO waves factor into awareness and behavior, innovative solutions are required if significant research outcomes are to ever be realized...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28315975/spatial-patterns-and-frequency-distributions-of-regional-deformation-in-the-healthy-human-lung
#20
Daniel E Hurtado, Nicolás Villarroel, Carlos Andrade, Jaime Retamal, Guillermo Bugedo, Alejandro Bruhn
Understanding regional deformation in the lung has long attracted the medical community, as parenchymal deformation plays a key role in respiratory physiology. Recent advances in image registration make it possible to noninvasively study regional deformation, showing that volumetric deformation in healthy lungs follows complex spatial patterns not necessarily shared by all subjects, and that deformation can be highly anisotropic. In this work, we systematically study the regional deformation in the lungs of eleven human subjects by means of in vivo image-based biomechanical analysis...
March 18, 2017: Biomechanics and Modeling in Mechanobiology
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