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Academic Torrents
Aug 11, 2020 A. Quattoni; A.Torralba
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![](http://web.mit.edu/torralba/www/allIndoors.jpg) Indoor scene recognition is a challenging open problem in high level vision. Most scene recognition models that work well for outdoor scenes perform poorly in the indoor domain. The main difficulty is that while some indoor scenes (e.g. corridors) can be well characterized by global spatial properties, others (e.g., bookstores) are better characterized by the objects they contain. More generally, to address the indoor scenes recognition...
Source: http://academictorrents.com/details/59aa0ad684e5d849f68bad9a6d43a9000a927164
Academic Torrents
Aug 11, 2020 Cohen, JP; Ding, W; Sable, J; Li, R; Stepinski, T
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This ongoing outreach project uniquely combines the data, systems, and resources of four existing NASA funded research projects on Mars robotic navigation (MER Participating Scientist project and ExoMars Pan- Cam project), intelligent Mars data processing (AISR Crater Detection project), and Lunar mapping (LRO Par- ticipating Scientist project). The project aims to stimu- late the public excitement about Mars and Lunar science and exploration and to enrich the public with expertise developed at...
Source: http://academictorrents.com/details/b0700675b5b7756ba6243420a9db09380a5d27b2
Academic Torrents
Aug 11, 2020 Cheung, Ronald S; Cohen, Joseph Paul; Lo, Henry Z; Elia, Fabio; Carrillo-Marquez, Veronica
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There has been a heightened interest among U.S.government agencies to fund cybersecurity workforce development. These efforts include offering universities funding forstudent scholarships, funding for building capacity in cybersecurity education, as well as sponsoring cybersecurity competitions, games, and outreach programs. This paper examines the effectiveness of cybersecurity competitions in educating students.Our study shows that though competitions do pique students interest, the...
Source: http://academictorrents.com/details/30ec3bb79d95e4af3b92315a5a073fb10ec8a87d
Academic Torrents
Aug 11, 2020 NASA
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Version: 8.0 Release Date: June 23rd, 2010 Resolution: 592.75 ppd Scale: 99.7 mpp Projection: Simple cylindrical, 0E to 360E, 60N to 60S, 'ocentric Layout: 60 x 30 degree tiles Total Size: 213391 x 88914 pixels Details: Nighttime thermal infrared (12.57um) mosaic. 593 ppd/100m. NASA Mars Odyssey/THEMIS Notes: Gores are filled with black (value=0).
Source: http://academictorrents.com/details/517cc93da6740d759ff02a845795e839bbebeb67
Academic Torrents
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Overview These color coastal orthophotographs were generated through a cooperative effort between the Massachusetts Coastal Zone Management Office, the NOAA Photogrammetry Division and the National Geodetic Survey. The data covers most of the coastal zone region. Digital orthophoto production was provided by Photo Science Inc. of Gaithersburg Maryland. The data set is tiled identically to the MassGIS black and white orthophotos for both the mainland and island regions (398 images; see the...
Source: http://academictorrents.com/details/ddd95cb0ff0ecca12d4803e4890596f26e1218d0
Academic Torrents
Aug 11, 2020 Flixter
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Flixster is a social movie site allowing users to share movie ratings, discover new movies and meet others with similar movie taste. Number of Nodes: 2523386 Number of Edges: 9197338 Missing Values? no Source: N/A Data Set Information: 2 files are included: 1. nodes.csv -- it's the file of all the users. This file works as a dictionary of all the users in this data set. It's useful for fast reference. It contains all the node ids used in the dataset 2. edges.csv -- this is the friendship...
Source: http://academictorrents.com/details/4960373ea6dec89153639b0975ea92f9e3d3c914
Academic Torrents
Aug 11, 2020 Joseph Paul Cohen; Wei Ding
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Recent approaches to crater detection have been inspired by face detection's use of gray-scale texture features. Using gray-scale texture features for supervised machine learning crater detection algorithms provides better classification of craters in planetary images than previous methods. When using Haar features it is typical to generate thousands of numerical values from each candidate crater image. This magnitude of image features to extract and consider can spell disaster when the...
Source: http://academictorrents.com/details/8ae530c0c1466ba8feee9914236cc900ad2f708e
Academic Torrents
Aug 11, 2020 Everingham, M.; Van~Gool, L.; Williams, C. K. I.; Winn, J.; Zisserman, A.
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##Introduction The main goal of this challenge is to recognize objects from a number of visual object classes in realistic scenes (i.e. not pre-segmented objects). It is fundamentally a supervised learning learning problem in that a training set of labelled images is provided. The twenty object classes that have been selected are: * Person: person * Animal: bird, cat, cow, dog, horse, sheep * Vehicle: aeroplane, bicycle, boat, bus, car, motorbike, train * Indoor: bottle, chair, dining table,...
Topic: VOC
Source: http://academictorrents.com/details/df0aad374e63b3214ef9e92e178580ce27570e59
Academic Torrents
Aug 11, 2020 Cohen, Joseph Paul; Liu, Siyi; Ding, Wei
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Using gray-scale texture features has recently become a new trend in supervised machine learning crater detection algorithms. To provide better classification of craters in planetary images, feature subset selection is used to reduce irrelevant and redundant features. Feature selection is known to be NP-hard. To provide an efficient suboptimal solution, three genetic algorithms are proposed to use greedy selection, weighted random selection, and simulated annealing to distinguish discriminate...
Topics: bayesian classifier, crater detection, genetic algorithms, machine learning
Source: http://academictorrents.com/details/cb1655a57dd24345c9ea7a43c5ec09e03c7a0979
Academic Torrents
Aug 11, 2020 MRLC
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National Land Cover Database 2006 (NLCD2006) is a 16-class land cover classification scheme that has been applied consistently across the conterminous United States at a spatial resolution of 30 meters. NLCD2006 is based primarily on the unsupervised classification of Landsat Enhanced Thematic Mapper+ (ETM+) circa 2006 satellite data. NLCD2006 also quantifies land cover change between the years 2001 to 2006. The NLCD2006 land cover change product was generated by comparing spectral...
Topics: NLCD, 2006, Land Cover
Source: http://academictorrents.com/details/184551842564cb05ffc5368629537ffec58d6985
Academic Torrents
Aug 11, 2020 UCI
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The UCI Machine Learning Repository is a collection of databases, domain theories, and data generators that are used by the machine learning community for the empirical analysis of machine learning algorithms. The archive was created as an ftp archive in 1987 by David Aha and fellow graduate students at UC Irvine. Since that time, it has been widely used by students, educators, and researchers all over the world as a primary source of machine learning data sets. As an indication of the impact...
Topic: UCI
Source: http://academictorrents.com/details/7fafb101f9c7961f9b840daeb4af43039107ddef
Academic Torrents
Aug 11, 2020 UMass Boston KDLab
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Dataset Objective: Determine if the instance is a crater or not a crater. 1=Crater, 0=Not Crater Data Set Information: This dataset was generated using HRSC nadir panchromatic image h0905_0000 taken by the Mars Express spacecraft. The images is located in the Xanthe Terra, centered on Nanedi Vallis and covers mostly Noachian terrain on Mars. The image had a resolution of 12.5 meters/pixel. Data Set Generation: Using the technique described by L. Bandeira (Bandeira, Ding, Stepinski....
Source: http://academictorrents.com/details/30748b1a7ac99b1c5ff66f0bc5c5f7428ed035c5
Academic Torrents
Aug 11, 2020 UK Department for Transport
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These files provide detailed road safety data about the circumstances of personal injury road accidents in GB from 1979, the types (including Make and Model) of vehicles involved and the consequential casualties. The statistics relate only to personal injury accidents on public roads that are reported to the police, and subsequently recorded, using the STATS19 accident reporting form. Also includes: Results of breath-test screening data from recently introduced digital breath testing devices,...
Source: http://academictorrents.com/details/c7d2d7a91ae3fd0256dd2ba2d7344960cb3c4dbb
Academic Torrents
Aug 11, 2020 NASA
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Version: 11 Release Date: June 23rd, 2010 Resolution: 592.75 ppd Scale: 99.7 mpp Projection: Simple cylindrical, 0E to 360E, 90N to -90N, 'ocentric Total Size: 213391 x 106699 pixels Details: Daytime thermal infrared (12.57um) mosaic. 593 ppd/99m. NASA Mars Odyssey/THEMIS Notes: Gores are filled with black (value=0).
Source: http://academictorrents.com/details/8b89d5825ca251ea355277d1f6e014891aa24875
Academic Torrents
Aug 11, 2020 Liu, Siyi; Ding, Wei; Cohen, Joseph Paul; Simovici, Dan; Stepinski, Tomasz
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Counting craters is a fundamental task of planetary sci-ence because it provides the only tool for measuring relativeages of planetary surfaces. However, advances in surveyingcraters present in data gathered by planetary probes havenot kept up with advances in data collection. One chal-lenge of auto-detecting craters in images is to identify an images features that discriminate it between craters andother surface objects. The problem of optimal feature se-lection is known to be NP-hard and the...
Source: http://academictorrents.com/details/37499de2b944dacc88cd295d3f9631670bd6abe6
Academic Torrents
Aug 11, 2020 The Nature Conservancy
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This is the master spatial data layer for TNC's terrestrial ecoregions of the world, exported from the geodatabase listed above. Note that it includes Mangroves, Inland Water, and Rock and Ice MHTs, although they are not being handled by terrestrial assessments. This layer is based on WWF's ecoregions outside the United States, and loosely based on Bailey's ecoregions (from the USDA Forest Service) within the United States. terr-ecoregions-TNC: tnc_terr_ecoregions.dbf tnc_terr_ecoregions.lyr...
Topic: Dataset
Source: http://academictorrents.com/details/fbfe954c816cf914709d9483134df7448337eb9e
Academic Torrents
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Version 2.0 of the 2001 land cover layer for the conterminous United States for all pixels. Updated version of NLCD2001 for direct comparison with NLCD2006
Topics: Dataset, nlcd, usgs
Source: http://academictorrents.com/details/d7ddd7894fa83034a336ff2fe1da51a3061d5a0f
Academic Torrents
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Overview These medium resolution true color images are considered the new "basemap" for the Commonwealth by MassGIS. The photography for the entire commonwealth was captured in April 2005 when deciduous trees were mostly bare and the ground was generally free of snow. Image type is 4-band (RGBN) natural color (Red, Green, Blue) and Near infrared in 8 bits (values ranging 0-255) per band format. Image horizontal accuracy is +/-3 meters at the 95% confidence level at the nominal scale...
Source: http://academictorrents.com/details/6b4075043dc071daa380dc1668a0ad79b2bb52b3
Academic Torrents
Aug 11, 2020 R. Zafarani; H. Liu
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Twitter is a social news website. It can be viewed as a hybrid of email, instant messaging and sms messaging all rolled into one neat and simple package. It's a new and easy way to discover the latest news related to subjects you care about. |Attribute|Value| |-|-| |Number of Nodes: |11316811| |Number of Edges: |85331846| |Missing Values? |no| |Source:| N/A| ##Data Set Information: 1. nodes.csv -- it's the file of all the users. This file works as a dictionary of all the users in this data set....
Topics: ASU, Twitter, Social, Graph
Source: http://academictorrents.com/details/2399616d26eeb4ae9ac3d05c7fdd98958299efa9
Academic Torrents
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In spring 2013, the U.S. Geological Survey contracted for true-color imagery covering three urban areas in Massachusetts as defined by the USGS. Those areas are the metropolitan Boston area (and beyond), the greater Worcester area, and the greater Springfield area. Image type for all of the areas is 24 bit, 4-band (red, green, blue, and near-infrared RGBN) portions of the spectrum. Each band has pixel values ranging 0-255. Pixel resolution is 0.3 meters (30 centimeters), or approximately one...
Source: http://academictorrents.com/details/82c64b111b07ff855b8966701a13a25512687521
Academic Torrents
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In spring 2008, the U.S. Geological Survey, as part of its Boston 133 Cities Urban Area mapping program, contracted for true-color imagery covering the metropolitan Boston area and beyond. Image type for the entire region (more than 1.7 million acres) is 24-bit, 3-band (red, green, blue) natural color. Each band has pixel values ranging 0-255. Pixel resolution is 30 cm., or approximately one foot. Additionally, 30 municipalities participated in the Boston Upgrade of the USGS project; these...
Topic: MassGIS
Source: http://academictorrents.com/details/166bf2b135167e5af37a35c4f09c25b453936496
Academic Torrents
Aug 11, 2020 The Nature Conservancy
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The Marine Ecoregions Of the World (MEOW) data set is a biogeographic classification of the world's coasts and shelves. The ecoregions nest within the broader biogeographic tiers of Realms and Provinces. Further details about the MEOW system and PDFs of the BioScience paper the comprehensive listing of sources are available from www.worldwildlife.org/MEOW/ and www.nature.org/MEOW.
Source: http://academictorrents.com/details/551952d08103200cf5034fb74adf71643aa0c643
Academic Torrents
Aug 11, 2020 ASU
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![](http://i.imgur.com/4VLmMSg.png) |Attribute|Value| |---------|-----| |Resolution: |64ppd| |Scale: |920mpp| |Projection: |Simple cylindrical, -180E to 180E, 90N to -90N, 'ocentric| |Layout:| Single file| |Total Size:| 23040x11520 pixels| |Details: |Viking color mosaic sharpened with MDIM 1.0. 64ppd/920m. NASA Viking Orbiter.|
Topics: Mars, ASU
Source: http://academictorrents.com/details/059ed25558b4587143db637ac3ca94bebb57d88d
Academic Torrents
Aug 11, 2020 ASU
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|Attribute|Value| |--------|--------| |Resolution:| 128 ppd| |Scale:| 463.1 mpp| |Projection: |Simple cylindrical, -180E to 180E, 90N to -90N, 'ocentric| |Layout:| 30 x 30 degree tiles| |Total Size:| 46080 x 23040 pixels| |Details: | Shaded relief derived from altimetry, colorized by elevation. 128 ppd/460m. NASA MGS/MOLA.| |Source: | http://pds-geosciences.wustl.edu/missions/mgs/mola.html| |Notes: |Data populated from 88N to 88S| ![](http://i.imgur.com/ew6ssh8.png)
Topics: Mars, ASU
Source: http://academictorrents.com/details/06f73b5ca501194ba1cd3aa918bd801b84ea7050
Academic Torrents
Aug 11, 2020 ASU
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Version: 2.0 Release Date: November 16, 2006 Resolution: 256 ppd Scale: 231.55 mpp Projection: Simple cylindrical, -180E to 180E, 90N to -90N, 'ocentric Layout: 30 x 30 degree tiles Total Size: 92160 x 46080 pixels Details: Daytime thermal infrared (12.57um) mosaic. 256 ppd/230m. NASA Mars Odyssey/THEMIS Notes: Gores are filled using PNG transparency.
Topics: Mars, ASU
Source: http://academictorrents.com/details/8b202f57d4bf3304c10fcd11bdee224c3a9ff16f
Academic Torrents
Aug 11, 2020 TeX User Group
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TeX (= tau epsilon chi, and pronounced similar to "blecch", not to the state known for `Tex-Mex' chili) is a computer language designed for use in typesetting; in particular, for typesetting math and other technical (from greek "techne" = art/craft, the stem of `technology') material.
Source: http://academictorrents.com/details/1156df74d774c3447912b00866aaf6520115594d
Academic Torrents
Aug 11, 2020 The Nature Conservancy
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The Freshwater Ecoregions Of the World (FEOW) provide a global biogeographic regionalization of the Earth's freshwater biodiversity. This version of the FEOW, modified by The Nature Conservancy, includes additional tabular data describing Major Habitat Types (MHTs, similar to terrestrial biomes, but unpublished).You can read more about the FEOW, and obtain the unmodified shapefile at www.feow.org.
Source: http://academictorrents.com/details/fb993412755d0bdc8aabd9c6959215293958b220
Academic Torrents
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What is the Universal Planetary Coordinates (UPC)? The Universal Planetary Coordinates (or UPC)[1] is a database of many of the level 1 imaging data products archived in the PDS Imaging Node[2]. The UPC includes the camera statistics, URLs for thumbnail and browse images, and the GIS footprint for each image. These data products and meta data are calculated using ISIS3[3,4]. For this reason, only data products which have an ISIS3 camera model can be included in the UPC.
Source: http://academictorrents.com/details/f388284af06520160a7ad460915216ba6a46d401
Academic Torrents
Aug 11, 2020 GNU Radio
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Source: http://academictorrents.com/details/0ee508eae4bd5cb57238b4125852c3fe347c8d26
Academic Torrents
Aug 11, 2020 GNU Radio
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Source: http://academictorrents.com/details/191038d206e7b357f5550ea177cd6dd920bb5483
Academic Torrents
Aug 11, 2020 GNU Radio
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Source: http://academictorrents.com/details/7c122f9c78ef503f28b9fd312798804a0be47aff
Academic Torrents
Aug 11, 2020 GNU Radio
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Source: http://academictorrents.com/details/dfd956b3e86279213b3b9a82a3156990dc735cac
Academic Torrents
Aug 11, 2020 GNU Radio
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Source: http://academictorrents.com/details/66b22eda63bbd202a2ec54979f197b11a41abef1
Academic Torrents
Aug 11, 2020 GNU Radio
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This file was captured using a USRP N210 with a WBX board in Philadelphia on FM channel 93.3 MHz, a local rock station. The command to capture this using the latest GNU Radio with UHD is: uhd_rx_cfile -a "addr=192.168.11.2" -g 25 -f 93.3M --samp-rate=500k -N 5000000 philly_93.3Mhz.32fc The file is captured at 500 kHz sampling rate, single-precision complex float (the 32fc is an indicator of that).
Source: http://academictorrents.com/details/9a36a828aaf44f853b4f2f4c8291498afb113c96
Academic Torrents
Aug 11, 2020 Allen B. Downey
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Think Bayes is an introduction to Bayesian statistics using computational methods. The premise of this book, and the other books in the Think X series, is that if you know how to program, you can use that skill to learn other topics. Most books on Bayesian statistics use mathematical notation and present ideas in terms of mathematical concepts like calculus. This book uses Python code instead of math, and discrete approximations instead of continuous mathematics. As a result, what would be an...
Source: http://academictorrents.com/details/7d6d7b7fdecaeb0652cfb9449d25976bf56adac4
Academic Torrents
Aug 11, 2020 Larry Diamond
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About the Course Democratic Development is intended as a broad, introductory survey of the political, social, cultural, economic, institutional, and international factors that foster or obstruct the development, and consolidation, of democracy. Topics will be examined in historical and comparative perspective, and reference a variety of different national experiences. It is hoped that students in developing or prospective democracies will use the theories, ideas, and lessons in the class to...
Topics: Coursera, Democracy, Politics
Source: http://academictorrents.com/details/1452d6a906d5d164c1adfc4b81a74a6690a8ec4b
Academic Torrents
Aug 11, 2020 USDA
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Land cover layer containing only those pixels identified as changed between NLCD2001 Land Cover Version 2.0 and NLCD2006 Land Cover products for the conterminous United States.
Topics: Dataset, nlcd, usgs
Source: http://academictorrents.com/details/28a2fd1afbda8be43bec55b6c4c2c9cf1f5b9582
Academic Torrents
Aug 11, 2020 NOAA's National Climatic Data Center
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This contains ISH/ISD data in directories by year. Please note that ISH and ISD refer to the same data--Integrated Surface Data, sometimes called Integrated Surface Hourly. The filenames correspond with the station numbers listed in the ish-history.txt file described below -- eg, 723150-03812-2006 corresponds with USAF number 723150 and WBAN number 03812.
Source: http://academictorrents.com/details/e3e68948b2e01b01a415740cb6fa6fe918c971ac
Academic Torrents
Aug 11, 2020 USDA
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An updated circa 2006 percent developed imperviousness estimate layer for the conterminous United States for all pixels.
Source: http://academictorrents.com/details/636d5368f1a58f4a35dcc34b31c930ecc586dce4
Academic Torrents
Aug 11, 2020 Stowell, D.; Plumbley, M. D.
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A free and open dataset of 7690 10-second audio clips sampled from the field-recording tag in the Freesound audio archive. The dataset is designed for use in research related to data mining in audio archives of field recordings / soundscapes. Audio is standardised, and audio and metadata are Creative Commons licensed. For more information see http://arxiv.org/abs/1309.5275
Source: http://academictorrents.com/details/d247b92fa7b606e0914367c0839365499dd20121
Academic Torrents
Aug 11, 2020 German Rodriguez
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The purpose of these notes, an update of my 1992 handout Introducing S-Plus, is to provide a quick introduction to R, particularly as a tool for fitting linear and generalized linear models. Additional examples may be found in the R Logs section of my GLM course. ##1. Introduction R is a powerful environment for statistical computing which runs on several platforms. These notes are written specially for users running the Windows version, but most of the material applies to the Mac and Linux...
Topics: paper, book
Source: http://academictorrents.com/details/d430724be7ac00f4b5e7f0d956f8411ef9b67dbe
Academic Torrents
Aug 11, 2020 Dorit Borrmann; Andreas Nuchter
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This data set was recorded as part of the ThermalMapper project by the Jacobs University Bremen. It contains scans and thermal images recorded at several poses. At each pose 9 thermal images and 9 scans of 40 degrees are taken thus covering the full 360 degrees. Description of Files: --------------------- scanXXX.3d contains the data collected at scan position scanXXX.pose. The points from each scan part are attributed with the thermal information from the thermal images. The pose information...
Topic: Dataset
Source: http://academictorrents.com/details/c83312afcc5d4937be92191f04eae917dfa77f1d
Academic Torrents
Aug 11, 2020 Smidla, József; Simon, Gyula
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In this paper, an adaptive, autocovariance-based event detection algorithm is proposed, which can be used with micro-electro-mechanical systems (MEMS) accelerometer sensors to build inexpensive and power efficient event detectors. The algorithm works well with low signal-to-noise ratio input signals, and its computational complexity is very low, allowing its utilization on inexpensive low-end embedded sensor devices. The proposed algorithm decreases its energy consumption by lowering its duty...
Source: http://academictorrents.com/details/4bee3aad417a4670079da4daf129d5e4708f61d4
Academic Torrents
Aug 11, 2020 D. Kjurkchieva; D. Dimitrov; A. Vladev; V. Yotov
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We present a new solution of the direct problem of planet transits based on transformation of double integrals to single ones. On the basis of our direct problem solution we created the code TAC-maker for rapid and interactive calculation of synthetic planet transits by numerical computations of the integrals. The validation of our approach was made by comparison with the results of the wide-spread Mandel & Agol (2002) method for the cases of linear, quadratic and squared root...
Source: http://academictorrents.com/details/bbf1c32bd69459b93742eb691bf11fc8961e6db7
Academic Torrents
Aug 11, 2020 Pickell, P. D.; D. W. Andison; N. C. Coops
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These spatially-explicit data were generated from analysis of 15,431 disturbed features (e.g., roads, pipelines, seismic lines, harvest blocks, well sites) around the Oil Sands using the NEPTUNE (Novel Emulation Pattern Tool for Understanding Natural Events) web-tool (www.foothillsri.ca/resource/neptune) in a Geographic Information System (GIS). The data are in ESRI ArcMap shapefile (.shp) format and are compressed in zip file (.zip) format. Metadata are included in the metadata.txt file. These...
Source: http://academictorrents.com/details/85d0cb575d2a4720158d06f68d424fbcd5a0e663
Academic Torrents
Aug 11, 2020 J. Smidla; Gy. Simon
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In this paper an autocovariance-based event detector algorithm is proposed. The algorithm is able to detect events even if the measurements have poor signal-to-noise ratio, and its performance is independent of the characteristic of the input signal. An efficient implementation of the algorithm is also proposed, which allows the utilization of the algorithm on low-end devices, e.g. in wireless sensor networking nodes. The performance of the algorithm has been tested and compared to a...
Source: http://academictorrents.com/details/b0fc43009de3d358bfbd8a14ba99ca320b356bc5
Academic Torrents
Aug 11, 2020 Dorit Borrmann; Andreas Nuchter
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Riegl VZ-400 and a Optris PI IR camera This data set was recorded as part of the ThermalMapper project by the Jacobs University Bremen. It contains scans and thermal images recorded at several poses. At each pose 9 thermal images and 9 scans of 40 degrees are taken thus covering the full 360 degrees. Description of Files: --------------------- scanXXX.3d contains the data collected at scan position scanXXX.pose. The points from each scan part are attributed with the thermal information from the...
Source: http://academictorrents.com/details/c1f271934d73384a037578b27a079981363cc9c8
Academic Torrents
Aug 11, 2020 NOAA's National Climatic Data Center
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This contains ISH/ISD data in directories by year. Please note that ISH and ISD refer to the same data--Integrated Surface Data, sometimes called Integrated Surface Hourly. The filenames correspond with the station numbers listed in the ish-history.txt file described below -- eg, 723150-03812-2006 corresponds with USAF number 723150 and WBAN number 03812.
Source: http://academictorrents.com/details/16be344abd95d58afd4860445f4a927b7eb1a89d
Academic Torrents
Aug 11, 2020 Cohen, J.; Wei Ding; Boisvert, D.
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This paper presents an open source platform Throw [1] that is intended to be used for a one day event to increase interest in computer science as well as equip students with tools for self exploration. It is based on three years of hosting a one day event aimed at introducing computer science to 5-8th grade students. One major challenge in computer science education is fostering a commitment to learn, that is powerful and engaging enough for a student to be able to utilize learned skills to...
Topics: computer aided instruction, computer science education, public domain software, Throw open source...
Source: http://academictorrents.com/details/dce77c0199e3a98f81caa7bd204f8efade63732a
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Aug 11, 2020 Theja Tulab; hula; Cynthia Rudin
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Aug 11, 2020 Simon Chabot
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La modélisation mathématique des mouvements d'un fluide a été de tous temps un sujet de recherche actif. Quels sont aujourd'hui les moyens utilisés pour rendre numériquement compte de ces mouvements ? Quels sont les coûts de calculs et comment peut on les améliorer ? Tant de questions auxquelles ce document tente de répondre en présentant quelques méthodes mathématiques utilisées par l'animation et le génie civil.
Topics: vague, waterwaves, fluid mechanics, Smoothed Particle Hydrodynamic, shallow water
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Aug 11, 2020 Pinghua Gong; Jieping Ye; Changshui Zhang
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Aug 11, 2020 Julien Mairal; Bin Yu
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Aug 11, 2020 Sunny King, Scott Nadal
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A peer-to-peer crypto-currency design derived from Satoshi Nakamoto's Bitcoin. Proof-of-stake replaces proof-of-work to provide most of the network security. Under this hybrid design proof-of-work mainly provides initial minting and is largely non-essential in the long run. Security level of the network is not dependent on energy consumption in the long term thus providing an energy efficient and more cost-competitive peer-to-peer crypto-currency. Proof-of-stake is based on coin age and...
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Aug 11, 2020 Satoshi Nakamoto
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A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital signatures provide part of the solution, but the main benefits are lost if a trusted third party is still required to prevent double-spending. We propose a solution to the double-spending problem using a peer-to-peer network. The network timestamps transactions by hashing them into an ongoing chain of hash-based...
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Aug 11, 2020 Harvard CfA
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Aug 11, 2020
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The file "Census-Rural-Urban NTIA-Mashup.tab" is a listing of all US Census blocks with urban/rural designation, combined with data from the National Telecommunications and Information Administration's National Broadband Map project.
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Aug 11, 2020 Sunny King
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A new type of proof-of-work based on searching for prime numbers is introduced in peer-to-peer cryptocurrency designs. Three types of prime chains known as Cunningham chain of first kind, Cunningham chain of second kind and bi-twin chain are qualified as proof-of-work. Prime chain is linked to block hash to preserve the security property of Nakamoto's Bitcoin, while a continuous difficulty evaluation scheme is designed to allow prime chain to act as adjustable-difficulty proof-of-work in a...
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Aug 11, 2020 Alex Heid
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This paper will go over the technical, economic, and social impact of cryptocurrencies such as Bitcoin and Litecoin. This document will go into a comprehensive level of detail about cryptocurrency technologies and protocols, as this is required to familiarize the reader with the principles behind the rapidly emerging open source economic ecosystem. Furthermore, emerging attack vectors of cryptocurrencies will be discussed, such as custom malware campaigns and targeted exploitation.
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Aug 11, 2020 Chao Zhang; Dacheng Tao
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Aug 11, 2020 Chong Zhang; Yufeng Liu
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Aug 11, 2020 NASA
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This global image map of Mars has a resolution of 256 pixels/degree (scale approximately 231 m/pixel at the equator). The colorized mosaic was completed by NASA AMES which warped the original Viking colorized mosaic and blended over the lastest black/white mosaic. This mosaic, known as Colorized Mars Digital Image Model (MDIM) 2.1. The original MDIM2.1, replaces two earlier mosaics produced by the USGS from the same set of approximately 4600 Viking Orbiter images. The positional accuracy of...
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Aug 11, 2020 Harvard CfA
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Aug 11, 2020 Matthew J. Urry; Peter Sollich
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Aug 11, 2020 Wei Wu; Zhengdong Lu; Hang Li
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Aug 11, 2020 J.D. Bruce
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Almost all P2P crypto-currencies prevent double spending and similar such attacks with a bulky "blockchain" scheme, and the ones which do not typically use some sort of pseudo-centralized solution to manage the transactions. Here I propose a purely P2P crypto-currency scheme with a finite blockchain, dubbed the "mini-blockchain". Each time a new block is solved the oldest block is trimmed from the end of the mini-blockchain so that it always has the same number of blocks. It...
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Aug 11, 2020 J. McAuley; J. Leskovec
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This dataset consists of 'circles' (or 'lists') from Twitter. Twitter data was crawled from public sources. The dataset includes node features (profiles), circles, and ego networks. ##Dataset statistics |Attribute|Value| |---------|-------| |Nodes| 81306| |Edges |1768149| |Nodes in largest WCC |81306 (1.000)| |Edges in largest WCC| 1768149 (1.000)| |Nodes in largest SCC |68413 (0.841)| |Edges in largest SCC| 1685163 (0.953)| |Average clustering coefficient |0.5653| |Number of triangles|...
Topics: twitter, social networks, NIPS
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Aug 11, 2020 Ansaf Salleb-Aouissi; Christel Vrain; Cyril Nortet; Xiangrong Kong; Vivek Rathod; Daniel Cassard
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Aug 11, 2020 Edward McFowl; III; Skyler Speakman; Daniel B. Neill
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Aug 11, 2020 Anil Maheshwari; Michiel Smid
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This is a free textbook for an undergraduate course on the Theory of Computation, which we have been teaching at Carleton University since 2002. Until the 2011/2012 academic year, this course was offered as a second-year course (COMP 2805) and was compulsory for all Computer Science students. Starting with the 2012/2013 academic year, the course has been downgraded to a third-year optional course (COMP 3803). We have been developing this book since we started teaching this course. Currently, we...
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Aug 11, 2020 Wendelin Bhmer; Steffen Grnewlder; Yun Shen; Marek Musial; Klaus Obermayer
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Aug 11, 2020 Nicol Cesa-Bianchi; Claudio Gentile; Fabio Vitale; Giovanni Zappella
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Aug 11, 2020 Nicholas Ruozzi; Sekhar Tatikonda
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