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Development of Semantic Maps of Vegetation Cover from UAV Images to Support Planning and Management in Fine-Grained Fire-Prone Landscapes
U-Net convolutional neural network (CNN) shrub detection heterogeneous land cover mapping UAV imagery Mediterranean forest
2023/12/1
In Mediterranean landscapes, the encroachment of pyrophytic shrubs is a driver of more frequent and larger wildfires. The high-resolution mapping of vegetation cover is essential for sustainable land ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Coexistence of nonempty Fatou sets and Julia sets with interior for transcendental Hénon maps
超Hénon映射 非空Fatou集 Julia集 内部共存性
2023/11/29
A Hénon map is a map of the form H(z, w) = (f(z) + aw, z). A main focus of interest are the Fatou sets and the Julia sets. In this lecture I will show that it is possible that the Fatou set and the Ju...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the Gauss maps of complete minimal surfaces in Rm
Rm 完全极小曲面 高斯映射
2023/12/11
We prove that if the Gauss map of a minimal surface immersed in Rm omits a generic hypersurface of large enough degree, then it must be constant.
With future space exploration in mind, a Cornell-led team of astronomers has published the final maps of Titan’s liquid methane rivers and tributaries – as seen by NASA’s late Cassini mission – so tha...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Peak distributions and peak maps in lattice paths
晶格路径 峰分布 峰图
2023/4/13
Dyck paths are classical Catalan objects. The peak distribution of Dyck paths is an important topic of combinatorics, and further the representation of symmetric groups.
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Bounded Poincaré maps for BGG complexes
BGG复形 有界 Poincaré映射
2023/5/10
Poincaré integral operators give explicit potential and provide an inverse of differential operators in the sense of null-homotopy. These operators play a key role in the mathematical and numerical an...
New assessment maps emissions in New York neighborhoods near industrial areas
纽约工业区 排放地图 化石燃料排放
2023/5/22
The explosive growth of online shopping has been heralded as a benefit for the environment, as consumers avoid the fossil fuel emissions associated with traveling to and from brick-and-mortar stores. ...
南京农业大学农学院《Genome Biology》发表宋庆鑫课题组“Open chromatin interaction maps reveal functional regulatory elements and chromatin architecture variations during wheat evolution”（图）
Genome Biology 宋庆鑫 小麦多倍化 染色质
2022/9/19
2022年2月22日，南京农业大学宋庆鑫课题组在Genome Biology上发表了题为“Open chromatin interaction maps reveal functional regulatory elements and chromatin architecture variations during wheat evolution”的研究论文。该研究利用OCEAN-C技术绘制了不...
This touchy-feely glove senses and maps tactile stimuli
tactile glove pressure sensor stroke recovery
2021/8/9
A new tactile glove could help regain motor function after stroke and enhance virtual gaming experiences.
When you pick up a balloon, the pressure to keep hold of it is different from what you would exert to grasp a jar. And now engineers at MIT and elsewhere have a way to precisely measure and map such s...
Predicate Encryption from Bilinear Maps and One-Sided Probabilistic Rank
Predicate Encryption Bilinear Maps Probabilistic Rank
2019/9/19
In predicate encryption for a function ff, an authority can create ciphertexts and secret keys which are associated with `attributes'. A user with decryption key KyKy corresponding to attribute yy can...
Indistinguishability Obfuscation Without Multilinear Maps: New Paradigms via Low Degree Weak Pseudorandomness and Security Amplification
PFG iO
2019/6/4
The existence of secure indistinguishability obfuscators (iO) has far-reaching implications, significantly expanding the scope of problems amenable to cryptographic study. All known approaches to cons...
Cryptanalysis of CLT13 Multilinear Maps with Independent Slots
Multilinear maps lattice cryptanalysis
2019/3/21
Many constructions based on multilinear maps require independent slots in the plaintext, so that multiple computations can be performed in parallel over the slots. Such constructions are usually based...
We consider the problem of garbling arithmetic circuits and present a garbling scheme for inner-product predicates over exponentially large fields. Our construction stems from a generic transformation...
MODEL FOR LAND COVER ESTIMATION USING UNSUPERVISED MACHINE LEARNING ON GOOGLE MAPS COLOR IMAGES
Unsupervised learning algorithms CORINE nomenclature Google Static Maps API k-means clustering
2019/2/27
Remote sensing data and satellite images are broadly used for land cover information. There are so many challenges to classify pixels on the basis of features and characteristics. Generally it is pixe...