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Research expedition faces extreme conditions in fast-changing Arctic
Research expedition extreme conditions fast-changing Arctic
2020/4/29
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ice and o...
Research expedition faces extreme conditions in fast-changing Arctic（图）
Research expedition faces extreme conditions fast-changing Arctic
2020/4/26
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ic...
Earliest look at newborns' visual cortex shows that babies are hard-wired to see faces and places（图）
Earliest newborns visual cortex shows babies hard-wired faces and places
2020/3/13
Within hours of birth, a baby's gaze is drawn to faces. Now, brain scans of newborns reveal the neurobiology underlying this behavior; in babies as young as 6 days, brains appear to be hardwired for t...
Jordan faces likelihood of much more frequent long and severe droughts,Stanford researchers find（图）
Jordan faces likelihood severe droughts Stanford researchers
2017/9/19
A new analysis of drought in Jordan – one of the world’s most water-poor countries – suggests that without alternate water sources, better land use and improved water-sharing agreements, the country c...
Men and women show equal ability at recognizing faces
Men women equal ability recognizing faces
2017/7/20
Despite conventional wisdom that suggests women are better than men at facial recognition, Penn State psychologists found no difference between men and women in their ability to recognize faces and ca...
Fixating on Faces
Fixating Faces
2017/2/16
When we are walking down a crowded street, our brains are constantly active, processing a myriad of visual stimuli. Faces are particularly important social stimuli, and, indeed, the human brain has ne...
Researchers Map How the Brain Processes Faces From Sight to Recognition
Researchers Map Brain Processes Faces Sight to Recognition
2017/1/9
At a glance, you can recognize a friend's face whether they are happy or sad or even if you haven't seen them in a decade. How does the brain do this — recognize familiar faces with efficiency and eas...
THE POTENTIAL OF LOW-COST RPAS FOR MULTI-VIEW RECONSTRUCTION OF SUB-VERTICAL ROCK FACES
UAV Close Range Photogrammetry Structure from Motion Action Camera Calibration Accuracy Coded Targets Natural Features
2016/11/11
The current work investigates the potential of two low-cost off-the-shelf quadcopters for multi-view reconstruction of sub-vertical rock faces. The two platforms used are a DJI Phantom 1 equipped with...
Theoretical Economics Faces a Serious Challenge
Decision making of economic subjects Determinism of stage of the Word Multifunction of mathematical models Regulatory on financial market
2016/1/27
The authors of the article point out that the theory of economics has failed to yield a solid theoretical background in such critical situations as the transformational period of post-communist econom...
Multipermutations in Crypto World: Different Faces of the Perfect Diffusion Layer
Perfect diffusion Recursive diffusion layer
2016/1/26
Diffusion layers, and specially perfect diffusion layers, are very important
subject for cryptographic research. Main quest is a perfect diffusion
layer with more optimal hardware and/or software im...
A LEAF OPTICAL PROPERTIES MODEL ACCOUNTING FOR DIFFERENCES BETWEEN THE TWO FACES
remote sensing vegetation PROSPECT
2015/9/8
Modeling radiative transfer in canopies allows efficient use of remote sensing observations to quantify vegetation state variables
and functioning. Canopy radiative transfer models use requires accur...
A case example for laser data treatment to study rocky faces with protection barriers
Photogrammetry LIDAR, Surveying Environment Application
2015/8/25
LIDAR is a useful technique for natural and architectural metric surveying.Acquisition is the first step in laser surveying. The second step is the data treatment that is necessary to obtain a correct...
COUNTING THE FACES OF RANDOMLY-PROJECTED HYPERCUBES AND ORTHANTS, WITH APPLICATIONS
RANDOMLY-PROJECTED ORTHANTS
2015/8/21
Let RN
+ denote the positive orthant; the expected number of k-faces of
the random cone ARN
+ obeys Efk(ARN
+)/fk(RN
+) = 1 − PN−n,N−k. The
formula applies to numerous matrix e...
COUNTING FACES OF RANDOMLY-PROJECTED POLYTOPES WHEN THE PROJECTION RADICALLY LOWERS DIMENSION
RANDOMLY-PROJECTED RADICALLY LOWERS DIMENSION
2015/8/21
The modern trend in statistics and probability is to consider the case where both
the number of dimensions d and the sample size n are large [19, 21]. In that case, the
intuition fostered by the cla...
FEASIBILITY AND PROBLEMS OF TLS IN MODELING ROCK FACES FOR HAZARD MAPPING
Terrestrial Laser Scanning Landslides Geology Monitoring Hazard Mapping
2015/8/13
In the paper we focus on the application of TLS to carry out the geometric surveying of rock faces to derive their DSM for
simulating possible paths of falling rocks and then drawing hazard maps. Af...