Quadrangle ≈ Quadrangle
View article: Detecting Curve Text in the Wild: New Dataset and New Solution
Detecting Curve Text in the Wild: New Dataset and New Solution Open
Scene text detection has been made great progress in recent years. The detection manners are evolving from axis-aligned rectangle to rotated rectangle and further to quadrangle. However, current datasets contain very little curve text, whi…
View article
Performance Characteristics of the BlueField-2 SmartNIC Open
High-performance computing (HPC) researchers have long envisioned scenarios where application workflows could be improved through the use of programmable processing elements embedded in the network fabric. Recently, vendors have introduced…
View article
Jersey Number Recognition with Semi-Supervised Spatial Transformer Network Open
SJN-210k is a dataset that contains nearly 210,000 jersey number images for soccer games. It is used to train and evaluate vision models to recognize player jersey numbers. Pos with axis pos without axis neg training set 89…
View article
Geology of the Victoria quadrangle (H02), Mercury Open
Mercury’s quadrangle H02 ‘Victoria’ is located in the planet’s northern hemisphere and lies between latitudes 22.5° N and 65° N, and between longitudes 270° E and 360° E. This quadrangle covers 6.5% of the planet’s surface with a total are…
View article
The Thermal Conductivity of 3D Printed Plastic Insulation Materials—The Effect of Optimizing the Regular Structure of Closures Open
In the interest of environmental protection, attention should be paid to improving energy efficiency, through the use of appropriate insulations. They can be used in the construction industry, for plastic window frames, and the thermal ins…
View article
Geology of the Raditladi quadrangle, Mercury (H04) Open
In this work, we present a 1:3,000,000-scale geologic map of the Raditladi quadrangle (H04) of Mercury. The area covers nearly 7% of the entire planet and encompasses several features of interest such as the Caloris basin, the Raditladi ba…
View article
Geology of the Hokusai quadrangle (H05), Mercury Open
International audience
View article
Geology of the Shakespeare quadrangle (H03), Mercury Open
By using images acquired by the Mercury dual imaging system (MDIS) on-board the MESSENGER spacecraft during 2008–2015 and available DTMs, a new 1:3,000,000-scale geological map of the Shakespeare quadrangle of Mercury has been compiled. Th…
View article
Sliding Line Point Regression for Shape Robust Scene Text Detection Open
Traditional text detection methods mostly focus on quadrangle text. In this study we propose a novel method named sliding line point regression (SLPR) in order to detect arbitrary-shape text in natural scene. SLPR regresses multiple points…
View article
A virtual globe-based vector data model: quaternary quadrangle vector tile model Open
This study proposes a virtual globe-based vector data model named the quaternary quadrangle vector tile model (QQVTM) in order to better manage, visualize, and analyze massive amounts of global multi-scale vector data. The model integrates…
View article
ARSENIC AND TRACE METALS IN WATER AND SEDIMENT OF THE VELHAS RIVER, SOUTHEASTERN IRON QUADRANGLE REGION, MINAS GERAIS, BRAZIL Open
This work was undertaken in the Velhas River Basin, in the municipalities of Rio Acima, Nova Lima, Raposos and Sabará, upstream of the city of Belo Horizonte in Minas Gerais State, Brazil. Velhas River provides the public water supply for …
View article
Look More Than Once: An Accurate Detector for Text of Arbitrary Shapes Open
Previous scene text detection methods have progressed substantially over the past years. However, limited by the receptive field of CNNs and the simple representations like rectangle bounding box or quadrangle adopted to describe text, pre…
View article
CVaR Regression Based on the Relation between CVaR and Mixed-Quantile Quadrangles Open
A popular risk measure, conditional value-at-risk (CVaR), is called expected shortfall (ES) in financial applications. The research presented involved developing algorithms for the implementation of linear regression for estimating CVaR as…
View article
Geology of the Debussy quadrangle (H14), Mercury Open
International audience
View article
Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States (ver. 10.0, May 2023) Open
Version 10.0 of these data are part of a larger U.S. Geological Survey (USGS) project to develop an updated geospatial database of mines, mineral deposits, and mineral regions in the United States. Mine and prospect-related symbols, such a…
View article
Geology of the Kuiper quadrangle (H06), Mercury Open
The Kuiper quadrangle (H06) is located at the equatorial zone of Mercury and encompasses the area between 288°E – 360°E and 22.5°N – 22.5°S. Using the NASA MESSENGER data, we compiled a geological map of the quadrangle at a 1:3,000,000 sca…
View article
Automatic Coregistration and orthorectification (ACRO) and subsequent mosaicing of NASA high-resolution imagery over the Mars MC11 quadrangle, using HRSC as a baseline Open
This work presents the coregistered, orthorectified and mosaiced high-resolution products of the MC11 quadrangle of Mars, which have been processed using novel, fully automatic, techniques. We discuss the development of a pipeline that ach…
View article
Scanning and georeferencing historical USGS quadrangles Open
First posted June 23, 2017 For additional information, contact: National Geospatial ProgramHistorical Topographic Map CollectionU.S. Geological Survey12201 Sunrise Valley Drive, MS 511Reston, VA 20192 The U.S. Geological Survey (USGS) Nati…
View article
Autonomous positioning of the unloading auger of a combine harvester by a laser sensor and GNSS Open
The paper proposes a method for the autonomous positioning of the unloading auger of a combine harvester by a laser sensor and global navigation satellite system (GNSS). The proposed method positions the unloading auger to the target posit…
View article
U-Pb ages of detrital zircon grains from sandstones of the Northern Chichibu Belt and psammitic schists of the Sambagawa Belt in the Toba District (Quadrangle series 1:50,000), Shima Peninsula, Mie Prefecture, Southwest Japan. Open
地質調査総合センターでは現在,5万分の1地質図幅「鳥羽」の作成を行っている.その研究過程で,志摩半島に分布する秩父累帯北帯及び三波川帯の付加体の付加年代を決定することを目的に,砂岩及び砂質片岩中の砕屑性ジルコンのU–Pb年代を測定した. 秩父累帯北帯逢坂峠コンプレックスの砂岩中ジルコンの最若粒子集団は204.4±4.0 Ma(三畳紀末~ジュラ紀初頭)を示し,また同帯河内コンプレックスの砂岩中のジルコンの最若粒子集団は183.4±2.9 Ma(前期ジュラ紀中頃~前期ジュラ紀後…
View article
Spectral Units Analysis of Quadrangle H05‐Hokusai on Mercury Open
MESSENGER mission data allowed the entire surface of Mercury to be mapped at various spatial scales, from both geological and compositional stand points. Here, we present a spectral analysis of the H05‐Hokusai quadrangle, using data acquir…
View article
Geochemical Mapping and Reference Values of Potentially Toxic Elements in a Contaminated Mining Region: Upper Velhas River Basin Stream Sediments, Iron Quadrangle, Brazil Open
The Upper Velhas River Basin, in the mining region of the Iron Quadrangle, is one of the most polluted basins in Minas Gerais, Brazil. The region has been exploited for gold and iron, among other substances of interest. In addition to aban…
View article
Global Spectral Properties and Lithology of Mercury: The Example of the Shakespeare (H‐03) Quadrangle Open
The MErcury Surface, Space ENvironment, GEochemistry and Ranging mission showed the surface of Mercury with an accuracy never reached before. The morphological and spectral analyses performed thanks to the data collected between 2008 and 2…
View article
Geology of the Derain quadrangle (H10), Mercury Open
We present the results of geological mapping of Mercury’s Derain (H10) quadrangle (0°-72°E and 22.5°N-22.5°S) using data from the MESSENGER spacecraft. The map is presented on a scale of 1:3,000,000, for which linework was drawn at 1:300,0…
View article
Zircon U–Pb ages on plutonic rocks in the eastern area of 1:200,000 quadrangle, Toyama, central Japan Open
20万分の1地質図幅「富山」の改訂に伴い,範囲内に分布する先古第三紀の深成岩類のジルコン238U–206Pb年代を測定し,飛驒帯における火成活動史を考察した.
View article
Geology of the Alpha Regio (V-32) Quadrangle, Venus Open
We present a 1:2,500,000 geological map of the Alpha Regio (V-32) quadrangle, Venus. The V-32 quadrangle extends from 0° to 25 S, 0°to 30° E with an area of approximately 7,600,000 km2. Geological mapping was conducted using full resolutio…
View article
Diversity and life-forms of a woody-herbaceous community on the quartzite rocky complexes in the Brazilian Iron Quadrangle Open
Although campos rupestres are iconic rock outcrops with a high biogeographic value in Brazilian highlands, little is known about the drivers responsible for the plant community pattern. We studied the diversity and life forms of the woody …
View article
A Multi-Annotator Survey of Sub-km Craters on Mars Open
We present here a dataset of nearly 5000 small craters across roughly 1700 km2 of the Martian surface, in the MC-11 East quadrangle. The dataset covers twelve 2000-by-2000 pixel Context Camera images, each of which is comprehensively label…
View article
Geologic map of the Alamosa 30’ × 60’ quadrangle, south-central Colorado Open
First posted October 15, 2015 For additional information, contact: Director, Geosciences and Environmental Change Science Center U.S. Geological Survey Box 25046, Mail Stop 980 Denver, CO 80225http://gec.cr.usgs.gov/ The Alamosa 30'× 60' q…
View article
Adding Value to Mine Waste through Recovery Au, Sb, and As: The Case of Auriferous Tailings in the Iron Quadrangle, Brazil Open
From the colonial era to modern times, gold mining has played a crucial role in shaping Brazil’s economy, culture, and landscape, particularly in the Iron Quadrangle region. Therefore, resulting waste has accumulated in tailings structures…