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41 Results Found

  • Article
  • Open Access
10 Citations
6,708 Views
27 Pages

An Improved Unmixing-Based Fusion Method: Potential Application to Remote Monitoring of Inland Waters

  • Yulong Guo,
  • Yunmei Li,
  • Li Zhu,
  • Ge Liu and ,
  • Shuai Wang and
  • Chenggong Du
  • + 1 author+ 0 author

5 February 2015

Although remote sensing technology has been widely used to monitor inland water bodies; the lack of suitable data with high spatial and spectral resolution has severely obstructed its practical development. The objective of this study is to improve...

  • Article
  • Open Access
21 Citations
5,323 Views
22 Pages

20 February 2023

The aim of fusing hyperspectral and multispectral images is to overcome the limitation of remote sensing hyperspectral sensors by improving their spatial resolutions. This process, also known as hypersharpening, generates an unobserved high-spatial-r...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
11 Citations
3,370 Views
18 Pages

Stability Analysis of Unmixing-Based Spatiotemporal Fusion Model: A Case of Land Surface Temperature Product Downscaling

  • Min Li,
  • Shanxin Guo,
  • Jinsong Chen,
  • Yuguang Chang and ,
  • Luyi Sun,
  • Longlong Zhao,
  • Xiaoli Li and
  • Hongming Yao
  • + 3 authors+ 0 author

6 February 2023

The unmixing-based spatiotemporal fusion model is one of the effective ways to solve limitations in temporal and spatial resolution tradeoffs in a single satellite sensor. By using fusion data from different satellite platforms, high resolution in bo...

(This article belongs to the Special Issue Monitoring Environmental Changes by Remote Sensing)
  • Article
  • Open Access
27 Citations
5,159 Views
22 Pages

6 February 2019

Studies of land surface dynamics in heterogeneous landscapes often require satellite images with a high resolution, both in time and space. However, the design of satellite sensors often inherently limits the availability of such images. Images with...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
3 Citations
4,965 Views
21 Pages

11 April 2018

Unmixing based fusion aims at generating a high spectral-spatial resolution image (HSS) with the same surface features of the high spatial resolution multispectral image (MS) and low spatial resolution hyperspectral image (HS). In this paper, a new f...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
78 Citations
8,389 Views
19 Pages

An Improved STARFM with Help of an Unmixing-Based Method to Generate High Spatial and Temporal Resolution Remote Sensing Data in Complex Heterogeneous Regions

  • Dengfeng Xie,
  • Jinshui Zhang,
  • Xiufang Zhu,
  • Yaozhong Pan and ,
  • Hongli Liu,
  • Zhoumiqi Yuan and
  • Ya Yun
  • + 2 authors+ 0 author

5 February 2016

Remote sensing technology plays an important role in monitoring rapid changes of the Earth's surface. However, sensors that can simultaneously provide satellite images with both high temporal and spatial resolution haven’t been designed yet. This pap...

(This article belongs to the Section Remote Sensors)
  • Article
  • Open Access
22 Citations
3,905 Views
22 Pages

8 February 2023

Hyperspectral images (HSI) frequently have inadequate spatial resolution, which hinders numerous applications for the images. High resolution multispectral image (MSI) has been fused with HSI to reconstruct images with both high spatial and high spec...

(This article belongs to the Special Issue Advances in Hyperspectral Remote Sensing: Methods and Applications)
  • Article
  • Open Access
2 Citations
2,737 Views
23 Pages

Nonoverlapping Spectral Ranges’ Hyperspectral Data Fusion Based on Combined Spectral Unmixing

  • Yihao Wang,
  • Jianyu Chen,
  • Xuanqin Mou,
  • Jia Liu and ,
  • Tieqiao Chen,
  • Xiangpeng Feng,
  • Bo Qu,
  • Jie Liu,
  • Geng Zhang and
  • Siyuan Li
  • + 5 authors+ 0 author

15 February 2025

Due to the development of spectral remote sensing imaging technology, hyperspectral data in different spectral ranges, such as visible and near-infrared, short-wave infrared, etc., can be acquired simultaneously. Data fusion between these nonoverlapp...

(This article belongs to the Special Issue Sub-Pixel Mapping, Spatio-Temporal Fusion of Multi-Spectral and Hyperspectral Remote Sensing Data)
  • Article
  • Open Access
10 Citations
4,325 Views
22 Pages

Adaptive-SFSDAF for Spatiotemporal Image Fusion that Selectively Uses Class Abundance Change Information

  • Shuwei Hou,
  • Wenfang Sun,
  • Baolong Guo,
  • Cheng Li and ,
  • Xiaobo Li,
  • Yingzhao Shao and
  • Jianhua Zhang
  • + 2 authors+ 0 author

4 December 2020

Many spatiotemporal image fusion methods in remote sensing have been developed to blend highly resolved spatial images and highly resolved temporal images to solve the problem of a trade-off between the spatial and temporal resolution from a single s...

  • Article
  • Open Access
37 Citations
7,691 Views
20 Pages

31 May 2017

In this paper, a new method is presented for spatial resolution enhancement of hyperspectral images (HSI) using spectral unmixing and a Bayesian sparse representation. The proposed method combines the high spectral resolution from the HSI with the hi...

(This article belongs to the Special Issue Spatial Enhancement of Hyperspectral Data and Applications)
  • Article
  • Open Access
3 Citations
1,764 Views
20 Pages

Mapping Crop Evapotranspiration by Combining the Unmixing and Weight Image Fusion Methods

  • Xiaochun Zhang,
  • Hongsi Gao,
  • Liangsheng Shi,
  • Xiaolong Hu and ,
  • Liao Zhong and
  • Jiang Bian
  • + 1 author+ 0 author

1 July 2024

The demand for freshwater is increasing with population growth and rapid socio-economic development. It is more and more important for refined irrigation water management to conduct research on crop evapotranspiration (ET) data with a high spatiotemp...

(This article belongs to the Special Issue Evapotranspiration Model Based on Remote Sensing and Ground Station Observation Data and Its Application in Agriculture)
  • Article
  • Open Access
1 Citations
4,755 Views
24 Pages

Fusion of Hyperspectral and Multispectral Images with Radiance Extreme Area Compensation

  • Yihao Wang,
  • Jianyu Chen,
  • Xuanqin Mou,
  • Tieqiao Chen and ,
  • Junyu Chen,
  • Jia Liu,
  • Xiangpeng Feng,
  • Haiwei Li,
  • Geng Zhang and
  • Yupeng Liu
  • + 7 authors+ 2 authors

31 March 2024

Although the fusion of multispectral (MS) and hyperspectral (HS) images in remote sensing has become relatively mature, and different types of fusion methods have their own characteristics in terms of fusion effect, data dependency, and computational...

(This article belongs to the Special Issue New Advances in Hyperspectral–Multispectral Image Classification and Fusion Applications)
  • Article
  • Open Access
61 Citations
7,055 Views
27 Pages

7 November 2019

In recent years, many spatial and temporal satellite image fusion (STIF) methods have been developed to solve the problems of trade-off between spatial and temporal resolution of satellite sensors. This study, for the first time, conducted both scene...

(This article belongs to the Special Issue Multi-Sensor Data Fusion and Analysis of Multi-Temporal Remote Sensed Imagery)
  • Letter
  • Open Access
8 Citations
6,945 Views
17 Pages

A Novel Adversarial Based Hyperspectral and Multispectral Image Fusion

  • Xukun Luo,
  • Jihao Yin,
  • Xiaoyan Luo and
  • Xiuping Jia

28 February 2019

In order to reconstruct a high spatial and high spectral resolution image (H2SI), one of the most common methods is to fuse a hyperspectral image (HSI) with a corresponding multispectral image (MSI). To effectively obtain both the spectral correlatio...

  • Article
  • Open Access
673 Views
19 Pages

6 July 2026

Hyperspectral unmixing aims to extract pure endmembers and their corresponding abundance from mixed pixels. Existing deep learning-based unmixing methods predominantly rely on convolutional neural networks (CNNs) or Transformer architectures. However...

(This article belongs to the Special Issue AI-Driven Hyperspectral Image Classification and Processing in Remote Sensing)
  • Article
  • Open Access
17 Citations
5,528 Views
28 Pages

The Improved U-STFM: A Deep Learning-Based Nonlinear Spatial-Temporal Fusion Model for Land Surface Temperature Downscaling

  • Shanxin Guo,
  • Min Li,
  • Yuanqing Li,
  • Jinsong Chen and ,
  • Hankui K. Zhang,
  • Luyi Sun,
  • Jingwen Wang,
  • Ruxin Wang and
  • Yan Yang
  • + 4 authors+ 0 author

12 January 2024

The thermal band of a satellite platform enables the measurement of land surface temperature (LST), which captures the spatial-temporal distribution of energy exchange between the Earth and the atmosphere. LST plays a critical role in simulation mode...

(This article belongs to the Special Issue Remote Sensing for Land Surface Temperature and Related Applications)
  • Article
  • Open Access
37 Citations
6,961 Views
27 Pages

31 August 2018

The trade-off between spatial and temporal resolution limits the acquisition of dense time series of Landsat images, and limits the ability to properly monitor land surface dynamics in time. Spatiotemporal image fusion methods provide a cost-efficien...

(This article belongs to the Special Issue Multisource Remote Sensing Data Fusion and Applications in Vegetation Monitoring)
  • Article
  • Open Access
56 Citations
10,073 Views
17 Pages

21 March 2020

Hyperspectral (HS) images usually have high spectral resolution and low spatial resolution (LSR). However, multispectral (MS) images have high spatial resolution (HSR) and low spectral resolution. HS–MS image fusion technology can combine both...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
137 Citations
14,405 Views
27 Pages

16 June 2015

Due to technical limitations, it is impossible to have high resolution in both spatial and temporal dimensions for current NDVI datasets. Therefore, several methods are developed to produce high resolution (spatial and temporal) NDVI time-series data...

  • Article
  • Open Access
20 Citations
4,347 Views
22 Pages

A Robust Method for Generating High-Spatiotemporal-Resolution Surface Reflectance by Fusing MODIS and Landsat Data

  • Junming Yang,
  • Yunjun Yao,
  • Yongxia Wei,
  • Yuhu Zhang and ,
  • Kun Jia,
  • Xiaotong Zhang,
  • Ke Shang,
  • Xiangyi Bei and
  • Xiaozheng Guo
  • + 4 authors+ 0 author

18 July 2020

The methods for accurately fusing medium- and high-spatial-resolution satellite reflectance are vital for monitoring vegetation biomass, agricultural irrigation, ecological processes and climate change. However, the currently existing fusion methods...

(This article belongs to the Special Issue Accuracy Assessment and Validation of Remotely Sensed Data and Products)
  • Article
  • Open Access
25 Citations
5,689 Views
18 Pages

5 June 2018

Landsat and MODIS data have been widely utilized in many remote sensing applications, however, the trade-off between the spatial resolution and temporal frequency has limited their capacities in monitoring detailed spatio-temporal dynamics. Spatio-te...

(This article belongs to the Special Issue Multisensor Data Fusion in Remote Sensing)
  • Article
  • Open Access
22 Citations
5,384 Views
16 Pages

2 January 2020

Leaf area index (LAI) is an important parameter for monitoring the physical and biological processes of vegetation canopy. Due to the constraints of cloud contamination, snowfall, and instrument conditions, most of the current satellite remote sensin...

(This article belongs to the Special Issue Multi-Sensor Data Fusion and Analysis of Multi-Temporal Remote Sensed Imagery)
  • Article
  • Open Access
8 Citations
3,322 Views
21 Pages

27 December 2019

The limitations of hyperspectral sensors usually lead to coarse spatial resolution of acquired images. A well-known fusion method called coupled non-negative matrix factorization (CNMF) often amounts to an ill-posed inverse problem with poor anti-noi...

(This article belongs to the Section Optics and Lasers)
  • Article
  • Open Access
13 Citations
5,350 Views
30 Pages

16 April 2020

We propose an unmixing framework for enhancing endmember fraction maps using a combination of spectral and visible images. The new method, data fusion through spatial information-aided learning (DFuSIAL), is based on a learning process for the fusion...

  • Article
  • Open Access
9 Citations
5,402 Views
24 Pages

22 January 2016

Pansharpening is an important technique that produces high spatial resolution multispectral (MS) images by fusing low spatial resolution MS images and high spatial resolution panchromatic (PAN) images of the same area. Although numerous successful im...

  • Article
  • Open Access
19 Citations
4,527 Views
21 Pages

26 October 2018

Continuous daily evapotranspiration (ET) monitoring at the field-scale is crucial for water resource management in irrigated agricultural areas in arid regions. Here, an integrated framework for daily ET, with the required spatiotemporal resolution,...

(This article belongs to the Special Issue Remote Sensing of Evapotranspiration (ET))
  • Article
  • Open Access
11 Citations
6,272 Views
19 Pages

6 August 2018

In this study, a novel data fusion approach was used to monitor the water-body extent in a tropical wetland (Lake Sentarum, Indonesia). Monitoring is required in the region to support the conservation of water resources and biodiversity. The develope...

(This article belongs to the Section Remote Sensing in Geology, Geomorphology and Hydrology)
  • Article
  • Open Access
504 Views
23 Pages

5 September 2026

High-spatiotemporal-resolution evapotranspiration (ET) is critical for precision irrigation management and water resource regulation. Regarding the existing spatiotemporal fusion methods suffering from sparse high-resolution observations and coarse l...

(This article belongs to the Special Issue Remote Sensing for Irrigation Monitoring and Agricultural Water Management)
  • Article
  • Open Access
177 Citations
14,140 Views
18 Pages

24 February 2016

Spaceborne hyperspectral images are useful for large scale mineral mapping. Acquired at a ground sampling distance (GSD) of 30 m, the Environmental Mapping and Analysis Program (EnMAP) will be capable of putting many issues related to environment mon...

(This article belongs to the Special Issue The Environmental Mapping and Analysis Program (EnMAP) Mission: Preparing for Its Scientific Exploitation)
  • Article
  • Open Access
14 Citations
4,246 Views
24 Pages

Improving Estimation of Soil Moisture Content Using a Modified Soil Thermal Inertia Model

  • Zhenhua Liu,
  • Li Zhao,
  • Yiping Peng,
  • Guangxing Wang and
  • Yueming Hu

27 May 2020

There has been substantial research for estimating and mapping soil moisture content (SMC) of large areas using remotely sensed images by developing models of soil thermal inertia (STI). However, it is still a great challenge to accurately estimate S...

(This article belongs to the Special Issue Remote Sensing of Regional Soil Moisture)
  • Review
  • Open Access
1 Citations
905 Views
30 Pages

29 August 2026

Pasture quality monitoring is essential for optimizing grazing management and reducing the incidence of nutritional and metabolic disorders in ruminants, yet conventional field-based measurements remain labor-intensive and limited in spatial coverage...

(This article belongs to the Special Issue Cutting-Edge Proximal and Remote Sensing Solutions for Precision Agriculture)
  • Article
  • Open Access
1 Citations
1,258 Views
29 Pages

15 January 2026

Evapotranspiration (ET) plays a crucial role in the terrestrial water cycle, especially in arid and semi-arid agricultural regions where precise water management is essential. However, the limited spatial resolution and temporal frequency of existing...

(This article belongs to the Special Issue Remote Sensing for Hydrological Management)
  • Article
  • Open Access
11 Citations
5,761 Views
18 Pages

22 October 2018

Two kinds of filler materials were used to join dissimilar alloys between a new cast superalloy K4750 and Hastelloy X by tungsten gas arc welding (GTAW). The segregation behavior, interfacial microstructure and mechanical properties of the dissimilar...

  • Article
  • Open Access
8 Citations
2,670 Views
12 Pages

Microstructure and Mechanical Properties of TA2/Q235 Laser Weld Joint with Copper Interlayer

  • Liang Zhang,
  • Qi Wang,
  • Xiaolei Guo,
  • Pan Chen and ,
  • Yinling Wang,
  • Chen Wang,
  • Zhanxue Wang and
  • Zongling Wang
  • + 3 authors+ 0 author

19 May 2023

For the dissimilar metal welding needs of TA2 titanium and Q235 steel, preliminary trials were conducted using laser welding methods, and the results showed that the addition of a copper interlayer and the bias of the laser beam toward the Q235 side...

(This article belongs to the Section Metals and Alloys)
  • Article
  • Open Access
14 Citations
8,879 Views
19 Pages

A Spectral Unmixing Model for the Integration of Multi-Sensor Imagery: A Tool to Generate Consistent Time Series Data

  • Georgia Doxani,
  • Zina Mitraka,
  • Ferran Gascon,
  • Philippe Goryl and
  • Bojan R. Bojkov

23 October 2015

The Sentinel missions have been designed to support the operational services of the Copernicus program, ensuring long-term availability of data for a wide range of spectral, spatial and temporal resolutions. In particular, Sentinel-2 (S-2) data with...

(This article belongs to the Special Issue Lessons Learned from the SPOT4 (Take5): Experiment in Preparation for Sentinel-2)
  • Article
  • Open Access
6 Citations
3,975 Views
29 Pages

2 September 2024

The availability of a higher resolution fine spectral bandwidth in hyperspectral images (HSI) makes it easier to identify objects of interest in them. The inclusion of noise into the resulting collection of images is a limitation of HSI and has an ad...

(This article belongs to the Special Issue Image Processing and Analysis: Trends in Registration, Data Fusion, 3D Reconstruction, and Change Detection (Third Edition))
  • Article
  • Open Access
27 Citations
14,595 Views
24 Pages

28 December 2009

The present work aims at identifying favorable locations for groundwater resources harvesting and extraction along the Wadi Feiran basin, SW Sinai Peninsula, Egypt, in an effort to facilitate new development projects in this area. Landsat ETM+, Radar...

  • Article
  • Open Access
17 Citations
4,110 Views
16 Pages

Assessment of the Structural Integrity of a Laser Weld Joint of Inconel 718 and ASS 304L

  • Niraj Kumar,
  • Prakash Kumar,
  • Rajat Upadhyaya,
  • Sanjeev Kumar and
  • Chandan Panday

21 February 2023

For high-temperature industries operating at nearly 750 °C (advanced ultra-super critical boilers), dissimilar welding between Inconel alloys and austenitic stainless steel (ASS) are commonly adopted. The high-temperature resistive properties of...

  • Article
  • Open Access
2 Citations
1,628 Views
22 Pages

Spatial-Channel Multiscale Transformer Network for Hyperspectral Unmixing

  • Haixin Sun,
  • Qiuguang Cao,
  • Fanlei Meng,
  • Jingwen Xu and
  • Mengdi Cheng

19 July 2025

In recent years, deep learning (DL) has been demonstrated remarkable capabilities in hyperspectral unmixing (HU) due to its powerful feature representation ability. Convolutional neural networks (CNNs) are effective in capturing local spatial informa...

(This article belongs to the Section Sensor Networks)
  • Review
  • Open Access
38 Citations
8,667 Views
26 Pages

15 January 2025

The potential of precision agriculture (PA) in forage and grassland management should be more extensively exploited to meet the increasing global food demand on a sustainable basis. Monitoring biomass yield and quality traits directly impacts the fer...

(This article belongs to the Special Issue Advanced in Remote Sensing Approaches for Agricultural Monitoring at Field and Regional Scale)
  • Article
  • Open Access
81 Citations
7,703 Views
20 Pages

An Assessment of Existing Methodologies to Retrieve Snow Cover Fraction from MODIS Data

  • Théo Masson,
  • Marie Dumont,
  • Mauro Dalla Mura,
  • Pascal Sirguey and ,
  • Simon Gascoin,
  • Jean-Pierre Dedieu and
  • Jocelyn Chanussot
  • + 2 authors+ 0 author

18 April 2018

The characterization of snow extent is critical for a wide range of applications. Since 1966, snow maps at different spatial resolutions have been produced using various satellite sensor images. Nowadays, the most widely used products are likely thos...

(This article belongs to the Section Remote Sensing in Geology, Geomorphology and Hydrology)