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  • Closed Access
    Authors: 
    J. Jayanth; R. Aravind; C. M. Amulya;
    Publisher: Springer Science and Business Media LLC

    Information about agricultural activities and spatial land use data is one of the key input parameter for the agricultural modelling. To access and manage crop information accurately, crop rotation and production risk reduction is additionally needed. Production risk ca...

  • Closed Access
    Authors: 
    Subhash Ashutosh; P. S. Roy;
    Publisher: Springer Science and Business Media LLC

    India is a biodiversity-rich country. The panorama of Indian forests ranges from tropical evergreen rain forests in the Andaman and Nicobar Islands, the Western Ghats, and the north-eastern States, to Dry Alpine Scrub high in the Himalayas in the north. On the other ext...

  • Closed Access
    Authors: 
    Ni, Kang; Wu, Yiquan; Wang, Peng;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The second-order pooling manner, exploring higher feature statistics than the first-order pooling, has achieved impressive performance in scene classification. However, the object not only presents similarity but also exhibits diversified singularity on the synthetic ap...

  • Closed Access
    Authors: 
    Luo, Chunmei; Wei, Shanshan; Yuan, Sanyi; Song, Zhaohui; Song, Weibin; Wang, Shangxu;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    It is an effective way in seismic imaging to make full use of lateral seismic response to break through the limitation of vertical resolution and to improve the accuracy of interpretation. On zero-crossing-time (ZCT) amplitude slices, there is a clearer imprint of under...

  • Authors: 
    Danijel Sipos; Peter Planinsic; Dusan Gleich;
    Publisher: IEEE

    The paper presents implementation of Stepped Frequency Continuous Wave (SFCW) Radar for landmine detection on Vector Network Analyser (VNA) instrument. Investigated was the ability to detect metal and plastic landmines without ground coupling from distances between 5 cm...

  • Closed Access
    Authors: 
    Li, Jie; Liu, Xinxin; Yuan, Qiangqiang; Shen, Huanfeng; Zhang, Liangpei;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Enhancing the spatial resolution of hyperspectral (HS) images by fusing with higher spatial resolution multispectral (MS) data is of significance for applications. However, due to the narrow bandwidth, HS images (HSIs) are vulnerable to various types of noise, such as G...

  • Publication . Conference object . 2016
    Closed Access
    Authors: 
    Alessandra Budillon; Angel Caroline Johnsy; Gilda Schirinzi;
    Publisher: IEEE
    Country: Italy

    In this paper we extend the Fast-Sup-GLRT Detector, designed for SAR tomography (3D-SAR), to the detection of multiple scatterers that can exhibit time deformation. It assumes at most K max different scatterers in the same range-azimuth resolution cell with a phase mode...

  • Closed Access
    Authors: 
    Zhang, Yushu; Lin, Hongbo; Li, Yue; Ma, Haitao;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In seismic exploration, effective seismic noise attenuation along with seismic signal preservation is a key problem for seismic signal processing. The seismic data acquired from complex environments usually have a low signal-to-noise ratio (SNR) and nonstationary random...

  • Publication . Conference object . 2016
    Authors: 
    Wen Jing; Ge Jiang; Jian Zhang;
    Publisher: IEEE

    Speckle pattern is always observed in sub-millimeter or terahertz (THz) wave ISAR image. Statistics distribution of speckle pattern is related to roughness of rough surface. In this paper, the certain relationship between root-mean-square height of rough surface and con...

  • Open Access
    Authors: 
    Wouter van Verre; Liam A Marsh; John L. Davidson; E Cheadle; Frank J. W. Podd; Anthony Peyton;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Country: United Kingdom

    The detection of small metallic objects buried in mineralized soil poses a challenge for metal detectors, especially when the response from the metallic objects is orders of magnitude below the response from the soil. This article describes a new, handheld, detector sys...

  • Closed Access
    Authors: 
    Zhen Li; Jinghuai Gao; Zhiguo Wang; Naihao Liu; Yang Yang;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Synchrosqueezing transform (SST) is an effective time–frequency analysis (TFA) approach for the processing of nonstationary signals. The SST shows a satisfactory ability of the TF localization of the nonlinear signal with a slowly time-varying instantaneous frequency (I...

  • Open Access
    Authors: 
    Jinguang Sun; Wang Wanli; Xian Wei; Li Fang; Xiaoliang Tang; Yusheng Xu; Hui Yu; Wei Yao;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The high dimensionality of hyperspectral images often results in the degradation of clustering performance. Due to the powerful ability of potential feature extraction and nonlinear representation, deep clustering algorithms have become a hot topic in hyperspectral remo...

  • Closed Access
    Authors: 
    Wang, Jingkai; Yang, Xiaoyuan; Zhu, Ridong;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In this paper, a new random walk (RW) pansharpening method on the basis of the complex framelet domain is proposed. In the process of fusion, the hidden Markov tree model is first established based on the statistical properties of complex high-pass framelet coefficients...

  • Closed Access
    Authors: 
    Jorge Vicent Servera; Juan Pablo Rivera-Caicedo; Jochem Verrelst; Jordi Muñoz-Marí; Neus Sabater; Beatrice Berthelot; Gustau Camps-Valls; Jose Moreno;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Project: EC | SENTIFLEX (755617), AKA | FluoSYN: Reducing carbon ... (324091)

    Atmospheric radiative transfer models (RTMs) simulate the light propagation in the Earth's atmosphere. With the evolution of RTMs, their increase in complexity makes them impractical in routine processing such as atmospheric correction. To overcome their computational b...

  • Closed Access
    Authors: 
    Yicheng Jiang; Hanyun Wang;
    Publisher: Springer Singapore

    This paper proposes a novel algorithm for moving target parameter estimation and imaging, which is especially applicable for single-antenna airborne synthetic aperture radar (SAR). Firstly, fractional Fourier transform (FrFT) is utilized to estimate Doppler parameters. ...

  • Closed Access
    Authors: 
    Fan, Shuchen; Sun, Yuhe; Shui, Penglang;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    This letter proposes a region-merging-based method for synthetic aperture radar (SAR) image segmentation, where the merging cost is a fusion of texture pattern similarity measure (TPSM), statistical similarity measure (SSM), and the relative common boundary length penal...

  • Publication . Conference object . Other literature type . 2019
    Closed Access English
    Authors: 
    Krešimir Malarić; Damir Muha; Bosiljka Šaravanja; Tanja Pušić;
    Country: Croatia

    This paper proposes mini anechoic test chamber with using conductive fibers as a shield. Anechoic chambers are used for testing susceptibility as well as emission of electromagnetic devices. For small size of equipment under test it is possible to use conductive fibers ...

  • Closed Access
    Authors: 
    Sankhala, Dineshkumar K.; Deb, Sanjib K.; Yasodha, P.; Kesarkar, Amit;
    Publisher: Springer Science and Business Media LLC

    The accurate estimation of atmospheric motion vectors (AMVs) derived using sequences of images from geostationary satellites is very important because of their extensive use in improving initial conditions of the numerical weather prediction (NWP) models. To assess the ...

  • Closed Access
    Authors: 
    Montazeri, Majid; Masoodian, Seyed Abolfazl;
    Publisher: Springer Science and Business Media LLC

    The population of Isfahan City has been increased by ten times during the last six decades. This increase has had extensive environmental consequences. In this period, drying up of Zayandehrood River, increase in temperature and variability of precipitation has exacerba...

  • Publication . Preprint . Article . 2019
    Open Access
    Authors: 
    Bin Liu; Guo Qian; Shucai Li; Benchao Liu; Yuxiao Ren; Yonghao Pang; Xu Guo; Lanbo Liu; Peng Jiang;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The inverse problem of electrical resistivity surveys (ERSs) is difficult because of its nonlinear and ill-posed nature. For this task, traditional linear inversion methods still face challenges such as suboptimal approximation and initial model selection. Inspired by t...

  • Closed Access
    Authors: 
    Dhal, Krishna Gopal; Ray, Swarnajit; Das, Arunita; Gálvez, Jorge; Das, Sanjoy;
    Publisher: Springer Science and Business Media LLC

    In the realm of image processing domain, segmentation is an indispensable method for various applications. One can segment an image according to shape, size, regularities, structure, color, etc. Multi-level thresholding for image segmentation is one of the most promisin...

  • Closed Access
    Authors: 
    Joydeep Mukherjee; Anuradha Sharma; Rajkumar Dhakar; Vinay Kumar Sehgal; Debasish Chakraborty; Debarup Das;
    Publisher: Springer Science and Business Media LLC

    Evapotranspiration (ET) is an indispensable component of earth surface energy exchange studies and forms basis for various environmental applications. The present study attempts to estimate Landsat-8 satellite-based spatial distribution of crop ET using Operational Simp...

  • Closed Access
    Authors: 
    Chang, Herng-Hua; Wu, Guan-Long; Chiang, Mao-Hsiung;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In feature-based remote sensing image registration, the scale-invariant feature transform (SIFT) algorithm has been one of the most popular solutions. However, it is still a challenge to possess an appropriate amount of correct matches while eliminating mismatches. In t...

  • Closed Access
    Authors: 
    Singh, Ripudaman; Kalota, Dheera;
    Publisher: Springer Science and Business Media LLC

    Rapid urbanization is transforming the land-use patterns in developing world very fast. Swelling population is altering agricultural land into industrial, administrative or cultural land uses, which is resulting in growing environmental problems and has also degraded th...

  • Open Access
    Authors: 
    Lang, Shinan; Cui, Xiangbin; Liu, Xiaojun; Wu, Qiang; Li, Lin; Zhang, Wenbo; Zheng, Xin;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In order to determine a great capacity of ice thickness assessments in a short time on-site, we have designed a real-time processor by using the modern commercial DSP chip named TMS320C6678. It is essential to develop an appropriate real-time imaging algorithm adapted t...

  • Closed Access
    Authors: 
    Liang, Hongyu; Zhang, Lei; Ding, Xiaoli; Lu, Zhong; Li, Xin;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Tropospheric delays (TDs) in differential interferometric synthetic aperture radar (InSAR) measurements are mainly caused by spatial and temporal variation of pressure, temperature, and humidity between SAR acquisitions. These delays are described as one of the primary ...

  • Closed Access
    Authors: 
    Tao Zeng; Yangkai Wei; Zegang Ding; Xinliang Chen; Yan Wang; Yujie Fan; Teng Long;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The edges of a target provide essential geometric information and are extremely important for human visual perception and image recognition. However, due to the coherent superposition of received echoes, the continuous edges of targets are discretized in synthetic apert...

  • Authors: 
    Zesheng Hou; Zongyong Cui; Zongjie Cao; Nengyuan Liu;
    Publisher: IEEE

    Ship target interpretation in SAR images has become an important topic in research in recent years. With the improvement of SAR image resolution, the performance of traditional automatic target recognition (ATR) method decreases gradually. The emergence of deep network ...

  • Closed Access English
    Authors: 
    Ferster, Brady S.; Subrahmanyam, Bulusu; Arguez, Anthony;
    Publisher: HAL CCSD
    Country: France

    The Southern Ocean (SO) is essential to global ocean circulation and climate variability. The strength and position of the Southern Hemisphere (SH) westerlies are largely thought to be driving recent trends in the SO. We find increasing SH wind speeds between 45° S and ...

  • Authors: 
    Jie Zhao; Xiaoguang Lu; Hai Li;
    Publisher: IEEE

    The spectral moments (average Doppler frequency and Doppler spectral width) of radar echoes are closely related to the type of meteorological targets. Pulse Pair Processing (PPP) method is used to estimate the spectral width in the conventional airborne weather radar (W...

  • Closed Access
    Authors: 
    Xueting Zhang; Wei Huang; Qi Wang; Xuelong Li;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The fusion of a low-spatial-resolution hyperspectral image (HSI) (LR-HSI) with its corresponding high-spatial-resolution multispectral image (MSI) (HR-MSI) to reconstruct a high-spatial-resolution HSI (HR-HSI) has been a significant subject in recent years. Nevertheless...

  • Closed Access
    Authors: 
    Du, Hao; Jin, Tian; Song, Yongping; Dai, Yongpeng; Li, Meng;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Deep neural networks have shown promise in the radar-based human activity analysis application. Different from existing deep learning models that take either micro-Doppler spectrograms or range profiles as their input, the proposed method can process micromotion signatu...

  • Closed Access
    Authors: 
    He, Da; Zhong, Yanfei; Zhang, Liangpei;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In recent decades, spatiotemporal subpixel mapping (SSM) approaches have been extensively developed to deal with the mixed-pixel problem by incorporating fine spatial resolution images with the same field of view from different acquisition times. This is an alternative ...

  • Closed Access
    Authors: 
    Yangzhao Gong; Zhizhao Liu;
    Publisher: Wiley

    Jason-3 is equipped with the Advanced Microwave Radiometer-2 (AMR-2) to account for the zenith wet delay (ZWD) caused by the troposphere in the altimeter signal, from which the precipitable water vapor (PWV) can be deduced. In order to investigate the accuracy of PWV fr...

  • Authors: 
    Jinhui Li; Yifei Ji; Yongsheng Zhang; Qilei Zhang; Haifeng Huang; Zhen Dong;
    Publisher: IEEE

    The performance of spaceborne linearly polarized synthetic aperture radar (SAR) systems operating at low frequencies, such as L-band and P-band, is significantly affected by Faraday rotation (FR) effects. FR indicates the rotation of the polarization plane, which deteri...

  • Publication . Conference object . 2019
    Authors: 
    Jianfeng Zhang; Fu Yaowen; Wenpeng Zhang; Wei Yang; Dan Li; Gong Ting;
    Publisher: IEEE

    The combination of frequency modulation continuous wave (FMCW) technology and circular synthetic aperture radar (CSAR) would promote the development of micro-miniature unmanned aerial vehicle (UAV) earth observation applications. Regarding FMCW CSAR imaging, the stop-an...

  • Open Access
    Authors: 
    Liang, Yi; Zhao, Xin; Guo, Alan J. X.; Zhu, Fei;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    To improve the classification performance in the context of hyperspectral image processing, many works have been developed based on two common strategies, namely the spatial-spectral information integration and the utilization of neural networks. However, both strategie...

  • Authors: 
    Qi Liu; Shaojie Li; Shaohui Mei; Ruoqiao Jiang; Jieqi Li;
    Publisher: IEEE

    Convolutional neural network (CNN) has been widely used in many research areas due to its powerful ability of feature learning. In this paper, the powerful ability of feature learning in CNN is explored by constructing a novel convolutional network (ConvNet) for SAR ima...

  • Closed Access
    Authors: 
    Zhao, Naizhuo; Zhang, Wei; Liu, Ying; Samson, Eric L.; Chen, Yong; Cao, Guofeng;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Location-based social media have been extensively utilized in the concept of “social sensing” to exploit dynamic information about human activities, yet joint uses of social sensing and remote sensing images are underdeveloped at present. In this paper, the close relati...

  • Authors: 
    Ryoichi Sato; Motoki Masaka; Yoshio Yamaguchi; Hiroyoshi Yamada;
    Publisher: IEEE

    This paper proposes a simple polarimetric angle compensation to make accurate detection of deformed/inclined buildings possible by using quad-pol SAR data. It is expected that by applying the new compensation to the coherency matrix after doing conventional orientation ...

  • Closed Access
    Authors: 
    Alberto Alonso-Gonzalez; Emanuel Hecht; Kostas Papathanassiou;
    Publisher: IEEE
    Country: Germany

    This work introduces a methodology to separate the ground and volume contributions from Polarimetric SAR Interferometric acquisitions. Based on the employed two layer model, the radar response may be decomposed into these two main contributions and the polarimetric cova...

  • Publication . Conference object . 2018
    Authors: 
    Yan Soldo; D.M. Le Vine; Alexandra Bringer; Priscilla N. Mohammed; P. de Matthaeis; J.R. Piepmeier; Joel T. Johnson;
    Publisher: IEEE

    The measurements made by the Soil Moisture Active/Passive (SMAP) mission are affected by the presence of Radio Frequency Interference (RFI) in the protected 1400–1427 MHz band. In SMAP data processing, the main protection against RFI is a sophisticated RFI detection alg...

  • Open Access English
    Authors: 
    Corbane, C.; Sabo, F.; Syrris, V.; Kemper, T.; Politis, P.; Pesaresi, M.; Soille, P.; Ose, K.;
    Publisher: HAL CCSD
    Country: France

    International audience; This letter introduces the new European Settlement Map (ESM) production workflow, presents some indicatory results, and discusses the validation process. Unlike the previous ESM versions, the built-up (BU) extraction is realized through supervise...

  • Authors: 
    Yukun Guo; Ze Yu; Shusen Wang; Jingwen Li;
    Publisher: IEEE

    Geostationary orbit (GSO) synthetic aperture radar (SAR) constellation has the advantage of continuous Earth observation and can achieve high azimuth resolution. In this paper we propose an imaging method for GSO SAR constellation. By implementing data fusion, the azimu...

  • Open Access
    Authors: 
    Yuanyuan Li; Yaowen Fu; Wenpeng Zhang;
    Publisher: Institution of Engineering and Technology (IET)

    The distributed inverse synthetic aperture radar (ISAR) technique can form multiple virtual sensors and has the potential to increase the cross-range resolution by exploiting the multi-channel echoes. In the existing imaging approaches, the echoes acquired from differen...

  • Open Access
    Authors: 
    Noelia Romero-Puig; Juan M. Lopez-Sanchez; J. David Ballester-Berman;
    Publisher: IEEE
    Country: Spain

    This article evaluates the effect of the double-bounce (DB) decorrelation term that appears in single-pass bistatic acquisitions, as in the TanDEM-X system, on the inversion of scene parameters by means of polarimetric SAR interferometry (PolInSAR). The retrieval of all...

  • Authors: 
    Takaya Kusakabe; Junichi Susaki; Takuma Anahara;
    Publisher: IEEE

    In Japan, dikes along rivers are required by law to be managed by surveying them periodically at intervals of no more than 200 m along their length. Because Japan has so many dikes to survey, an efficient surveying approach is needed. This paper presents the results and...

  • Authors: 
    Saibun Tjuatja;
    Publisher: IEEE

    A polarimetric scattering model for inhomogenenous layer with vertical profile is applied to analyze backscattering from soil layer at L-band. The soil layer is modeled as discrete random medium with water content that varies with depth and bounded by randomly rough sur...

  • Closed Access
    Authors: 
    Zou, Weibao; Chen, Libin;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Interferometric synthetic aperture radar (InSAR) is a well-established technique for the generation of digital elevation models and/or the measurement of ground surface deformations. In InSAR data processing, the first step is the image coregistration achieved by using ...

  • Authors: 
    Yu Wang; Di Wu; Daiyin Zhu; Fanwang Meng;
    Publisher: IEEE

    Aiming at meteorological target, in this paper, a new contour reconstruction algorithm is proposed against the disastrous weather. The algorithm is capable of reconstructing the specific contour of meteorological target by exploiting vertical array of airborne weather r...