|
|
Venues (Conferences, Journals, ...)
|
|
GrowBag graphs for keyword ? (Num. hits/coverage)
Group by:
The graphs summarize 266 occurrences of 217 keywords
|
|
|
Results
Found 1978 publication records. Showing 1958 according to the selection in the facets
Hits ?▲ |
Authors |
Title |
Venue |
Year |
Link |
Author keywords |
13 | Mohammad Reza Mosavi, Mohammad Khishe, M. Akbarisani |
Neural Network Trained by Biogeography-Based Optimizer with Chaos for Sonar Data Set Classification. |
Wirel. Pers. Commun. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Objectness Scoring and Detection Proposals in Forward-Looking Sonar Images with Convolutional Neural Networks. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Salvatore Caporale, Yvan R. Petillot |
A New Framework for Synthetic Aperture Sonar Micronavigation. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Best Practices in Convolutional Networks for Forward-Looking Sonar Image Recognition. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | John McKay 0002, Vishal Monga, Raghu G. Raj |
Robust Sonar ATR Through Bayesian Pose Corrected Sparse Classification. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Improving Sonar Image Patch Matching via Deep Learning. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Naoki Saito 0001, David S. Weber |
Underwater object classification using scattering transform of sonar signals. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | John McKay 0002, Anne Gelb, Vishal Monga, Raghu G. Raj |
Using Frame Theoretic Convolutional Gridding for Robust Synthetic Aperture Sonar Imaging. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Alina Zare, Nicholas Young, Daniel Suen, Thomas Nabelek, Aquila Galusha, James Keller 0001 |
Possibilistic Fuzzy Local Information C-Means for Sonar Image Segmentation. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | John McKay 0002, Isaac Gerg, Vishal Monga, Raghu G. Raj |
What's Mine is Yours: Pretrained CNNs for Limited Training Sonar ATR. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Real-time convolutional networks for sonar image classification in low-power embedded systems. |
CoRR |
2017 |
DBLP BibTeX RDF |
|
13 | Kwang Hee Lee, Eui Cheol Jeong, Seongil Kim, Dong Seog Han |
Robust localization using geographic information in bistatic sonar. |
Int. J. Distributed Sens. Networks |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Kon Max Wong, Jian-Kang Zhang 0002, Jiaping Liang, Huiying Jiang |
Mean and Median of PSD Matrices on a Riemannian Manifold: Application to Detection of Narrow-Band Sonar Signals. |
IEEE Trans. Signal Process. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Se-Jin Lee, Kyoungmin Lee, Jae-Bok Song |
Development of sonar morphology-based posterior approach model for occupancy grid mapping. |
Robotica |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Mingjie Dong, Wusheng Chou, Bin Fang 0003 |
Underwater Matching Correction Navigation Based on Geometric Features Using Sonar Point Cloud Data. |
Sci. Program. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | David Reiser, Javier M. Martín-López, Emir Memic, Manuel Vázquez-Arellano, Steffen Brandner, Hans W. Griepentrog |
3D Imaging with a Sonar Sensor and an Automated 3-Axes Frame for Selective Spraying in Controlled Conditions. |
J. Imaging |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Yeongjun Lee, Jinwoo Choi 0002, Nak Yong Ko, Hyun-Taek Choi |
Probability-Based Recognition Framework for Underwater Landmarks Using Sonar Images. |
Sensors |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Anbang Zhao, Lin Ma, Xuefei Ma, Juan Hui |
An Improved Azimuth Angle Estimation Method with a Single Acoustic Vector Sensor Based on an Active Sonar Detection System. |
Sensors |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Matheus Machado dos Santos, Pedro Otávio Cardozo de Souza Ribeiro, Pedro Núñez, Paulo Drews Jr., Silvia Silva da Costa Botelho |
Object Classification in Semi Structured Enviroment Using Forward-Looking Sonar. |
Sensors |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Zhishan Zhao, Anbang Zhao, Juan Hui, Baochun Hou, Reza Sotudeh, Fang Niu |
A Frequency-Domain Adaptive Matched Filter for Active Sonar Detection. |
Sensors |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Xiang Pan, Jingning Jiang, Nan Wang |
Evaluation of the Performance of the Distributed Phased-MIMO Sonar. |
Sensors |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Angelos Mallios, Eduard Vidal, Ricard Campos, Marc Carreras |
Underwater caves sonar data set. |
Int. J. Robotics Res. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Daniel Buscombe |
Shallow water benthic imaging and substrate characterization using recreational-grade sidescan-sonar. |
Environ. Model. Softw. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Haisen S. Li, Jue Gao, Weidong Du, Tian Zhou 0002, Chao Xu, Baowei Chen |
Erratum to: Object representation for multi-beam sonar image using local higher-order statistics. |
EURASIP J. Adv. Signal Process. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Haisen S. Li, Jue Gao, Weidong Du, Tian Zhou 0002, Chao Xu, Baowei Chen |
Object representation for multi-beam sonar image using local higher-order statistics. |
EURASIP J. Adv. Signal Process. |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Weiling Chen, Fei Yuan 0001, En Cheng, Weisi Lin |
Subjective and objective quality evaluation of sonar images for underwater acoustic transmission. |
ICIP |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Jinkun Wang, Shi Bai, Brendan J. Englot |
Underwater localization and 3D mapping of submerged structures with a single-beam scanning sonar. |
ICRA |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Amr Alanwar 0001, Bharathan Balaji, Yuan Tian 0001, Shuo Yang, Mani B. Srivastava |
EchoSafe: Sonar-based Verifiable Interaction with Intelligent Digital Agents. |
SafeThings@SenSys |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Pedro Otávio Cardozo de Souza Ribeiro, Matheus Machado dos Santos, Paulo Lilles Jorge Drews Junior, Silvia Silva da Costa Botelho |
Forward Looking Sonar Scene Matching Using Deep Learning. |
ICMLA |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Thomas Guerneve, Kartic Subr, Yvan R. Petillot |
Underwater 3D structures as semantic landmarks in SONAR mapping. |
IROS |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Francesco Guarato, Vanessa Laudan, James F. C. Windmill |
Ultrasonic sonar system for target localization with one emitter and four receivers: Ultrasonic 3D localization. |
IEEE SENSORS |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Robin Kerstens, Jan Steckel |
Live demonstration: 3D sonar sensing using low-cost MEMS arrays. |
IEEE SENSORS |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Real-time convolutional networks for sonar image classification in low-power embedded systems. |
ESANN |
2017 |
DBLP BibTeX RDF |
|
13 | Quentin Le Sceller, ElMouatez Billah Karbab, Mourad Debbabi, Farkhund Iqbal |
SONAR: Automatic Detection of Cyber Security Events over the Twitter Stream. |
ARES |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Liu Yang, Le Yang 0001, K. C. Ho 0001 |
Moving target localization in multistatic sonar using time delays, Doppler shifts and arrival angles. |
ICASSP |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Dae-Hyeon Gwon, Joowan Kim, Moon Hwan Kim, Ho Gyu Park, Tae Yeong Kim, Ayoung Kim |
Development of a side scan sonar module for the underwater simulator. |
URAI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Pingping Zhu, Jason T. Isaacs, Bo Fu, Silvia Ferrari |
Deep learning feature extraction for target recognition and classification in underwater sonar images. |
CDC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Xuyu Wang, Runze Huang, Shiwen Mao |
Sonarbeat: Sonar Phase for Breathing Beat Monitoring with Smartphones. |
SECON |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Jianfeng Tao |
Gray relativity analysis used to track association in passive sonar system. |
ICSAI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Dorel Aiordachioaie |
An analysis system of sonar signals based on time-frequency representation. |
ECAI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Vladimir Burstein, Werner Henkel |
Linear predictive coding for sonar data. |
GlobalSIP |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Natanael Nunes de Moura Junior, José Manoel de Seixas |
Novelty detection in passive sonar systems using a kernel approach. |
ICNC-FSKD |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Yuting Yuan, Lan Zhang, Wei Sun |
Waveform design of covert communication signal for bionic active sonar. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Yinzhou Tang, Gaoze Zhao |
Active sonar performance improving using Costas-P4 hybrid waveform. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Jun Wang, Chao Wang, Tao Cheng |
Active sonar reverberation suppression based on beam space data normalization. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Xue Cheng, Yingmin Wang |
Multi-target localization analysis based on nonparametric spectral estimation method for MIMO sonar. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Zhichen Zhang, Haiyan Wang 0002, Zhengguo Liu, Xiaohong Shen, Zhe Jiang 0002, Haixia Jing |
An new LFM detection algorithm based on ADTR-FrFT for active sonar system. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Licheng Lu, Qunyan Ren, Li Ma, Shengming Guo, Tianjun Liao |
Sediment acoustic characterization by optimizing single-beam sonar echoes. |
ICSPCC |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Improving sonar image patch matching via deep learning. |
ECMR |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Xuyu Wang, Runze Huang, Shiwen Mao |
SonarBeat: Sonar Phase for Breathing Beat Monitoring with Smartphones. |
ICCCN |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Heping Zhong, Jinsong Tang, Sen Zhang, Pan Huang |
Fast range Doppler imaging algorithm for synthetic aperture sonar on multicore-based platform. |
CISP-BMEI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Kui Xu, Zhen Tian, Jinsong Tang, Jinbo Wang, Sen Zhang |
An INS data-based micronavigation method for the imaging of multiple receiver synthetic aperture sonar. |
CISP-BMEI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Alexandros Tzanetos, Georgios Dounias |
A New Metaheuristic Method for Optimization: Sonar Inspired Optimization. |
EANN |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Yoshihiro Tanada, Kiminori Sato, Masato Iguchi, Baiko Sai |
Construction of ZCZ Huffman sequences for underground multiplexing sonar. |
IWSDA |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Emily M. Craparo, Armin Fügenschuh |
The Multistatic Sonar Location Problem and Mixed-Integer Programming. |
OR |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Hao Liang, Qilian Liang |
Target Recognition Based on 3-D Sparse Underwater Sonar Sensor Network. |
CSPS |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Wissem Boussetta, Jilani Knani, Hatem Tlijani |
Multi-robot localization in a landmark-free environment using binaural sonar. |
SDD |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Alina Zare, Nicholas Young, Daniel Suen, Thomas Nabelek, Aquila Galusha, James Keller 0001 |
Possibilistic fuzzy local information C-Means for sonar image segmentation. |
SSCI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Tim Berthold, Artem Leichter, Bodo Rosenhahn, Volker Berkhahn, Jennifer Valerius |
Seabed sediment classification of side-scan sonar data using convolutional neural networks. |
SSCI |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Balakumar Balasingam, Marcus Baum, Peter Willett 0001 |
Random finite set particle filter for source enumeration and direction-of-arrival tracking using sonar arrays. |
FUSION |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Qian Zhang 0048, Yifan Xie, Taek Lyul Song |
Distributed multi-target tracking in clutter for passive linear array sonar systems. |
FUSION |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Rong Yang, Yaakov Bar-Shalom, Claude Jauffret, Annie-Claude Perez, Gee Wah Ng |
IMM-UGHF-NJ for continuous wave bistatic sonar tracking with propagation delay. |
FUSION |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Mariusz Rudnicki |
Implementation of DIFAR processing in ASW dipping sonar. |
SPA |
2017 |
DBLP DOI BibTeX RDF |
|
13 | Lindsay Kleeman, Roman Kuc |
Sonar Sensing. |
Springer Handbook of Robotics, 2nd Ed. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Bogdan Kreczmer |
Connections between object classification criteria using an ultrasonic bi-sonar system. |
Int. J. Appl. Math. Comput. Sci. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Elias Fakiris, George Papatheodorou, Maria Geraga, George Ferentinos |
An Automatic Target Detection Algorithm for Swath Sonar Backscatter Imagery, Using Image Texture and Independent Component Analysis. |
Remote. Sens. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Masahiro Hamana, Teruhisa Komatsu |
Real-Time Classification of Seagrass Meadows on Flat Bottom with Bathymetric Data Measured by a Narrow Multibeam Sonar System. |
Remote. Sens. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Filip Mandic, Ivor Rendulic, Nikola Miskovic, Dula Nad |
Underwater Object Tracking Using Sonar and USBL Measurements. |
J. Sensors |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Daniel Graham, Gang Zhou, Ed Novak, Jeffrey Buffkin |
A Smartphone Compatible SONAR Ranging Attachment for 2-D Mapping. |
IEEE Internet Things J. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Zineb Bougroun, Adil Zeearaoui, Toumi Bouchentouf |
Comparative Study of the Quality Assessment Tools Based on a Model: Sonar, Squale, EvalMetrics. |
J. Comput. Sci. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Yanchao Li 0002, Fajie Duan, Jiajia Jiang, Xianquan Wang |
High-efficiency and low-consumption underwater sonar transmitter with improved triple-pulse HP-PWM signal model based on class D amplifier. |
EURASIP J. Wirel. Commun. Netw. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Liping Jin, Youming Li, Chenglin Zhao, Zhuanghun Wei, Bin Li 0002, Jiong Shi |
Cascading polar coding and LT coding for radar and sonar networks. |
EURASIP J. Wirel. Commun. Netw. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Liu Yang, Le Yang 0001, K. C. Ho 0001 |
Moving Target Localization in Multistatic Sonar by Differential Delays and Doppler Shifts. |
IEEE Signal Process. Lett. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Prabhakar Mishra, Harshavardhan Vajjramatti, Abijeeth Rai, Kirankumar Mangond, Nidhi Anantharajaiah, J. K. Kishore |
Computational architectures for sonar array processing in autonomous rovers. |
Microprocess. Microsystems |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Huichen Yan, Jia Xu 0001, Xiang-Gen Xia 0001, Xudong Zhang 0001, Teng Long |
Underwater sonar target imaging via compressed sensing with M sequences. |
Sci. China Inf. Sci. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | John McKay 0002, Raghu G. Raj, Vishal Monga, Jason T. Isaacs |
Discriminative Sparsity for Sonar ATR. |
CoRR |
2016 |
DBLP BibTeX RDF |
|
13 | John McKay 0002, Vishal Monga, Raghu G. Raj |
Localized Dictionary design for Geometrically Robust Sonar ATR. |
CoRR |
2016 |
DBLP BibTeX RDF |
|
13 | Tobias Scheuer, Norman May, Alexander Böhm 0002, Daniel Scheibli |
JexLog: A Sonar for the Abyss. (PDF / PS) |
Proc. VLDB Endow. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Augustin-Alexandru Saucan, Thierry Chonavel, Christophe Sintes, Jean-Marc Le Caillec |
CPHD-DOA Tracking of Multiple Extended Sonar Targets in Impulsive Environments. |
IEEE Trans. Signal Process. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Johnny L. Chen, Jason E. Summers |
Deep neural networks for learning classification features and generative models from synthetic aperture sonar big data. |
Proc. Meet. Acoust. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Jun Kuroda, Motohiro Kaname |
Model-based design of multibeam sonar system. |
Proc. Meet. Acoust. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Roman Kuc, Victor Kuc |
Experimental audible sonar to model echolocation by the blind. |
Proc. Meet. Acoust. |
2016 |
DBLP DOI BibTeX RDF |
|
13 | David P. Williams, Francesco Baralli, Michele Micheli, Simone Vasoli |
Adaptive underwater sonar surveys in the presence of strong currents. |
ICRA |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Luis Castellanos, Josue Aguilar, Miguel Alvarado |
A LOFAR and beamforming implementation in a FPGA for a digital passive SONAR. |
CCE |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Pedro V. Teixeira, Michael Kaess, Franz S. Hover, John J. Leonard |
Underwater inspection using sonar-based volumetric submaps. |
IROS |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Mohammed Sadeq Al-Rawi, Adrian Galdran, Xin Yuan 0003, Martina Eckert, José-Fernán Martínez, Fredrik Elmgren, Baran Çürüklü, Jonathan Rodriguez 0001, Joaquim Bastos, Marc Pinto |
Intensity normalization of sidescan sonar imagery. |
IPTA |
2016 |
DBLP DOI BibTeX RDF |
|
13 | David P. Williams |
Underwater target classification in synthetic aperture sonar imagery using deep convolutional neural networks. |
ICPR |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Eon-Ho Lee, Sejin Lee |
Development of underwater terrain's depth map representation method based on occupancy grids with 3D point cloud from polar sonar sensor system. |
URAI |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Yeongjun Lee, Tae-Jin Kim, Jinwoo Choi 0002, Hyun-Taek Choi |
Preliminary result on object shape reconstruction using an underwater forward-looking sonar. |
URAI |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Steffen Lammel, Felix Zahn, Holger Fröning |
SONAR: Automated Communication Characterization for HPC Applications. |
ISC Workshops |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Wei Peng, Jingchuan Wang, Weidong Chen 0001 |
Tracking Control of Human-Following Robot with Sonar Sensors. |
IAS |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Naiqiang Fan, Yingmin Wang, Yarong lv |
Research on phase compensating factor of chirp scaling algorithm in multiple-receiver synthetic aperture sonar. |
ICIIP |
2016 |
DBLP BibTeX RDF |
|
13 | Jonathan Soli, Granger Hickman |
Comparison of comb and pulse train signal designs for active sonar. |
SAM |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Rajalakshmi Nandakumar, Vikram Iyer, Desney S. Tan, Shyamnath Gollakota |
FingerIO: Using Active Sonar for Fine-Grained Finger Tracking. |
CHI |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Sanming Song, J. Michael Herrmann, Kaizhou Liu, Shuo Li, Xisheng Feng |
Forward-looking sonar image mosaicking by feature tracking. |
ROBIO |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Matias Valdenegro-Toro |
Objectness Scoring and Detection Proposals in Forward-Looking Sonar Images with Convolutional Neural Networks. |
ANNPR |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Guanying Huo, Qingwu Li, Yan Zhou 0004 |
Seafloor segmentation using combined texture features of sidescan sonar images. |
SMC |
2016 |
DBLP DOI BibTeX RDF |
|
13 | M. Machado, Paulo Drews Jr., P. Nunez, Silvia Botelho |
Semantic Mapping on Underwater Environment Using Sonar Data. |
LARS/SBR |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Rita Citraro, Emilio Russo, Giovambattista De Sarro, Maria Giovanna Bianco, Michele Menniti, Salvatore A. Pullano, Antonino S. Fiorillo |
Electrical activation of nervous system by sonar-based electronic interface. |
MeMeA |
2016 |
DBLP DOI BibTeX RDF |
|
13 | Xiangmei Zheng, Huaping Liu 0001, Fuchun Sun 0001, Meng Gao, Jiakui Li, Qing Zhang |
Sonar-based place recognition using joint sparse coding method. |
IJCNN |
2016 |
DBLP DOI BibTeX RDF |
|
|
|