Search results for "MLP"

Hits ?▲	Authors	Title	Venue	Year	Link
14	Hyungchan Song, Minseung Kim, Jong Won Shin	Speech Enhancement Using MLP-Based Architecture With Convolutional Token Mixing Module and Squeeze-and-Excitation Network.	IEEE Access	2022	DBLP DOI BibTeX RDF
14	Hyundong Jang, Hyeok Yun, Chanyang Park, Kyeongrae Cho, Kihoon Nam, Jun-Sik Yoon, Hyun-Chul Choi, Rock-Hyun Baek	Extraction of Device Structural Parameters Through DC/AC Performance Using an MLP Neural Network Algorithm.	IEEE Access	2022	DBLP DOI BibTeX RDF
14	Yuntong Liu, Chunna Zhao, Yaqun Huang	A Combined Model for Multivariate Time Series Forecasting Based on MLP-Feedforward Attention-LSTM.	IEEE Access	2022	DBLP DOI BibTeX RDF
14	Rui Zhang, Zuoquan Zhang, Di Wang, Marui Du	Financial Distress Prediction with a Novel Diversity-Considered GA-MLP Ensemble Algorithm.	Neural Process. Lett.	2022	DBLP DOI BibTeX RDF
14	Liejun Wang, Haojin Li	HMCNet: Hybrid Efficient Remote Sensing Images Change Detection Network Based on Cross-Axis Attention MLP and CNN.	IEEE Trans. Geosci. Remote. Sens.	2022	DBLP DOI BibTeX RDF
14	Hoang Nguyen 0001, Xuan-Nam Bui, Quang-Hieu Tran, Hoa Anh Nguyen, Dinh-An Nguyen, Le Thi Thu Hoa, Qui-Thao Le	Prediction of ground vibration intensity in mine blasting using the novel hybrid MARS-PSO-MLP model.	Eng. Comput.	2022	DBLP DOI BibTeX RDF
14	Earum Mushtaq, Aneela Zameer, Asifullah Khan	A two-stage stacked ensemble intrusion detection system using five base classifiers and MLP with optimal feature selection.	Microprocess. Microsystems	2022	DBLP DOI BibTeX RDF
14	A. Tavassoli, Yadollah Waghei, A. Nazemi	Hybrid MLP-IDW approach based on nearest neighbor for spatial prediction.	Comput. Stat.	2022	DBLP DOI BibTeX RDF
14	Ali Ogün Sarp, Engin Cemal Mengüç, Murat Peker, Buket Çolak Güvenç	Data-Adaptive Censoring for Short-Term Wind Speed Predictors Based on MLP, RNN, and SVM.	IEEE Syst. J.	2022	DBLP DOI BibTeX RDF
14	Zahra Amiri, Hamid Hassanpour, Azeddine Beghdadi	An Expanded MLP Neural Network for Fast Angiodysplasia Lesions Segmentation in Capsule Endoscopy Images.	Int. J. Artif. Intell. Tools	2022	DBLP DOI BibTeX RDF
14	Rakesh Kumar 0003, Mehdi Alipour, David Black-Schaffer	Dependence-aware Slice Execution to Boost MLP in Slice-out-of-order Cores.	ACM Trans. Archit. Code Optim.	2022	DBLP DOI BibTeX RDF
14	Shengyang Luan, Yinrui Gao, Tao Liu 0009, Jiayuan Li, Zhaojun Zhang	Automatic modulation classification: Cauchy-Score-function-based cyclic correlation spectrum and FC-MLP under mixed noise and fading channels.	Digit. Signal Process.	2022	DBLP DOI BibTeX RDF
14	Yihao Shao, Jianjun Liu, Jinlong Yang 0002, Zebin Wu 0001	Spatial-Spectral Involution MLP Network for Hyperspectral Image Classification.	IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.	2022	DBLP DOI BibTeX RDF
14	Tianping Zhang, Yizhuo Zhang, Wei Cao, Jiang Bian 0002, Xiaohan Yi, Shun Zheng, Jian Li	Less Is More: Fast Multivariate Time Series Forecasting with Light Sampling-oriented MLP Structures.	CoRR	2022	DBLP DOI BibTeX RDF
14	Marcos Faúndez-Zanuy	Non-Linear Speech coding with MLP, RBF and Elman based prediction.	CoRR	2022	DBLP DOI BibTeX RDF
14	Haoran Lyu, Yajie Wang, Yu-an Tan 0001, Huipeng Zhou, Yuhang Zhao 0003, Quanxin Zhang	Boosting Adversarial Transferability of MLP-Mixer.	CoRR	2022	DBLP DOI BibTeX RDF
14	Wenhao Li, Hong Liu 0008, Tianyu Guo 0001, Hao Tang 0005, Runwei Ding	GraphMLP: A Graph MLP-Like Architecture for 3D Human Pose Estimation.	CoRR	2022	DBLP DOI BibTeX RDF
14	Mocho Go, Hideyuki Tachibana	gSwin: Gated MLP Vision Model with Hierarchical Structure of Shifted Window.	CoRR	2022	DBLP DOI BibTeX RDF
14	Ziyu Wang, Wenhao Jiang, Yiming Zhu, Li Yuan, Yibing Song, Wei Liu 0005	DynaMixer: A Vision MLP Architecture with Dynamic Mixing.	CoRR	2022	DBLP BibTeX RDF
14	Arij Bouazizi, Adrian Holzbock, Ulrich Kressel, Klaus Dietmayer, Vasileios Belagiannis	MotionMixer: MLP-based 3D Human Body Pose Forecasting.	CoRR	2022	DBLP DOI BibTeX RDF
14	Ali Borji, Sikun Lin	SplitMixer: Fat Trimmed From MLP-like Models.	CoRR	2022	DBLP DOI BibTeX RDF
14	Mengya Xu, Mobarakol Islam, Hongliang Ren 0001	Rethinking Surgical Captioning: End-to-End Window-Based MLP Transformer Using Patches.	CoRR	2022	DBLP DOI BibTeX RDF
14	Ruofan Liang, Hongyi Sun, Nandita Vijaykumar	CoordX: Accelerating Implicit Neural Representation with a Split MLP Architecture.	CoRR	2022	DBLP BibTeX RDF
14	Jianye Pang, Cheng Jiang 0001, Yihao Chen, Jianbo Chang, Ming Feng, Renzhi Wang, Jianhua Yao 0001	3D Shuffle-Mixer: An Efficient Context-Aware Vision Learner of Transformer-MLP Paradigm for Dense Prediction in Medical Volume.	CoRR	2022	DBLP DOI BibTeX RDF
14	Cheng Chu, Nai-Hui Chia, Lei Jiang 0001, Fan Chen 0001	QMLP: An Error-Tolerant Nonlinear Quantum MLP Architecture using Parameterized Two-Qubit Gates.	CoRR	2022	DBLP DOI BibTeX RDF
14	Lingfeng Yang, Xiang Li 0041, Renjie Song, Borui Zhao, Juntian Tao, Shihao Zhou, Jiajun Liang, Jian Yang 0003	Dynamic MLP for Fine-Grained Image Classification by Leveraging Geographical and Temporal Information.	CoRR	2022	DBLP DOI BibTeX RDF
14	Md. Wahiduzzaman Khan Arnob, Arunima Dey Pooja, Md. Saif Hassan Onim	A Combined PCA-MLP Network for Early Breast Cancer Detection.	CoRR	2022	DBLP DOI BibTeX RDF
14	Kecheng Zheng, Yang Cao 0010, Kai Zhu 0004, Ruijing Zhao, Zheng-Jun Zha	FAMLP: A Frequency-Aware MLP-Like Architecture For Domain Generalization.	CoRR	2022	DBLP DOI BibTeX RDF
14	Xu Ma 0005, Can Qin, Haoxuan You, Haoxi Ran, Yun Fu 0001	Rethinking Network Design and Local Geometry in Point Cloud: A Simple Residual MLP Framework.	CoRR	2022	DBLP BibTeX RDF
14	Jiajun Fei, Ziyu Zhu, Wenlei Liu, Zhidong Deng, Mingyang Li, Huanjun Deng, Shuo Zhang	DuMLP-Pin: A Dual-MLP-dot-product Permutation-invariant Network for Set Feature Extraction.	CoRR	2022	DBLP DOI BibTeX RDF
14	Zhicai Wang, Yanbin Hao, Xingyu Gao 0001, Hao Zhang, Shuo Wang 0008, Tingting Mu, Xiangnan He 0001	Parameterization of Cross-Token Relations with Relative Positional Encoding for Vision MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Zhengzhong Tu, Hossein Talebi, Han Zhang 0010, Feng Yang 0008, Peyman Milanfar, Alan C. Bovik, Yinxiao Li	MAXIM: Multi-Axis MLP for Image Processing.	CoRR	2022	DBLP BibTeX RDF
14	Jingfei Xia, Mingchen Zhuge, Tiantian Geng, Shun Fan, Yuantai Wei, Zhenyu He 0001, Feng Zheng	Audio-Visual MLP for Scoring Sport.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yu Zheng 0006, Zhangxuan Dang, Chunlei Peng, Chao Yang, Xinbo Gao 0001	Multi-view Multi-label Anomaly Network Traffic Classification based on MLP-Mixer Neural Network.	CoRR	2022	DBLP DOI BibTeX RDF
14	Xiaoxin He, Bryan Hooi, Thomas Laurent 0001, Adam Perold, Yann LeCun, Xavier Bresson	A Generalization of ViT/MLP-Mixer to Graphs.	CoRR	2022	DBLP DOI BibTeX RDF
14	Daniel Rodriguez-Porcheron, Marcos Faúndez-Zanuy	Speaker recognition with a MLP classifier and LPCC codebook.	CoRR	2022	DBLP DOI BibTeX RDF
14	Andrei Margeloiu, Nikola Simidjievski, Pietro Lio', Mateja Jamnik	Graph-Conditioned MLP for High-Dimensional Tabular Biomedical Data.	CoRR	2022	DBLP DOI BibTeX RDF
14	Jiacheng Yin, Wenwen Li, Xidong Wang, Xiaozhou Ye, Ye Ouyang	4G 5G Cell-level Multi-indicator Forecasting based on Dense-MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Jihao Liu, Xin Huang, Guanglu Song, Yu Liu 0015, Hongsheng Li 0001	UniNet: Unified Architecture Search with Convolution, Transformer, and MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Kun Zhou 0002, Hui Yu, Wayne Xin Zhao, Ji-Rong Wen	Filter-enhanced MLP is All You Need for Sequential Recommendation.	CoRR	2022	DBLP BibTeX RDF
14	Haibo Yang 0002, Shengjie Zhang, Xiaoyang Han, Botao Zhao 0001, Yan Ren, Yaru Sheng, Xiao-Yong Zhang	Denoising of 3D MR images using a voxel-wise hybrid residual MLP-CNN model to improve small lesion diagnostic confidence.	CoRR	2022	DBLP DOI BibTeX RDF
14	Marcos Faúndez-Zanuy, Miguel Angel Ferrer-Ballester, Carlos M. Travieso-González, Virginia Espinosa-Duro	Hand Geometry Based Recognition with a MLP Classifier.	CoRR	2022	DBLP DOI BibTeX RDF
14	Florian Mai, Arnaud Pannatier, Fabio Fehr, Haolin Chen, François Marelli, François Fleuret, James Henderson 0001	HyperMixer: An MLP-based Green AI Alternative to Transformers.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yuhua Yin, Julian Jang-Jaccard, Fariza Sabrina, Jin Kwak	Improving Multilayer-Perceptron(MLP)-based Network Anomaly Detection with Birch Clustering on CICIDS-2017 Dataset.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yifan Peng, Siddharth Dalmia, Ian R. Lane, Shinji Watanabe 0001	Branchformer: Parallel MLP-Attention Architectures to Capture Local and Global Context for Speech Recognition and Understanding.	CoRR	2022	DBLP DOI BibTeX RDF
14		MLP-GAN for Brain Vessel Image Segmentation.	CoRR	2022	DBLP DOI BibTeX RDF
14	Mingjie Wang, Jun Zhou 0023, Hao Cai, Minglun Gong	CrowdMLP: Weakly-Supervised Crowd Counting via Multi-Granularity MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Xiaotian Han, Tong Zhao 0003, Yozen Liu, Xia Hu 0001, Neil Shah	MLPInit: Embarrassingly Simple GNN Training Acceleration with MLP Initialization.	CoRR	2022	DBLP DOI BibTeX RDF
14	Ping Yu, Mikel Artetxe, Myle Ott, Sam Shleifer, Hongyu Gong, Ves Stoyanov, Xian Li	Efficient Language Modeling with Sparse all-MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Guoqiang Wei, Zhizheng Zhang 0004, Cuiling Lan, Yan Lu, Zhibo Chen 0001	ActiveMLP: An MLP-like Architecture with Active Token Mixer.	CoRR	2022	DBLP DOI BibTeX RDF
14	Wen Guo, Yuming Du, Xi Shen 0001, Vincent Lepetit, Xavier Alameda-Pineda, Francesc Moreno-Noguer	Back to MLP: A Simple Baseline for Human Motion Prediction.	CoRR	2022	DBLP DOI BibTeX RDF
14	Hao Sun 0013, Hongyi Wang 0002, Jiaqing Liu, Yen-Wei Chen 0001, Lanfen Lin	CubeMLP: A MLP-based Model for Multimodal Sentiment Analysis and Depression Estimation.	CoRR	2022	DBLP DOI BibTeX RDF
14	Marcos Faúndez-Zanuy	N-dimensional nonlinear prediction with MLP.	CoRR	2022	DBLP BibTeX RDF
14	Dan Navon, Alex M. Bronstein	Transformer Vs. MLP-Mixer Exponential Expressive Gap For NLP Problems.	CoRR	2022	DBLP DOI BibTeX RDF
14	Francesco Fusco, Damian Pascual, Peter W. J. Staar	pNLP-Mixer: an Efficient all-MLP Architecture for Language.	CoRR	2022	DBLP BibTeX RDF
14	Bowen Deng, Dongchang Liu	TadML: A fast temporal action detection with Mechanics-MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yuanyuan Jia, Xiaoyu Pan	MS-DC-UNeXt: An MLP-based Multi-Scale Feature Learning Framework For X-ray Images.	CoRR	2022	DBLP DOI BibTeX RDF
14	Youssef Mansour, Kang Lin, Reinhard Heckel	Image-to-Image MLP-mixer for Image Reconstruction.	CoRR	2022	DBLP BibTeX RDF
14	Hatef Otroshi-Shahreza, Vedrana Krivokuca Hahn, Sébastien Marcel	MLP-Hash: Protecting Face Templates via Hashing of Randomized Multi-Layer Perceptron.	CoRR	2022	DBLP DOI BibTeX RDF
14	Lingran Zhao, Zhen Dong, Kurt Keutzer	Analysis of Quantization on MLP-based Vision Models.	CoRR	2022	DBLP DOI BibTeX RDF
14	Hailong Shu	Multistep prediction for short-term wind speed based on the MLP and LSTM method with rankpooling.	CoRR	2022	DBLP DOI BibTeX RDF
14	Marcos Faúndez-Zanuy	Adaptive hybrid speech coding with a MLP LPC structure.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yunhao Chen, Yunjie Zhu, Zihui Yan, Lifang Chen	Effective Audio Classification Network Based on Paired Inverse Pyramid Structure and Dense MLP Block.	CoRR	2022	DBLP DOI BibTeX RDF
14	Muyang Li, Xiangyu Zhao 0001, Chuan Lyu, Minghao Zhao 0002, Runze Wu, Ruocheng Guo	MLP4Rec: A Pure MLP Architecture for Sequential Recommendations.	CoRR	2022	DBLP DOI BibTeX RDF
14	Yuhua Yin, Julian Jang-Jaccard, Wen Xu, Amardeep Singh, Jinting Zhu, Fariza Sabrina, Jin Kwak	IGRF-RFE: A Hybrid Feature Selection Method for MLP-based Network Intrusion Detection on UNSW-NB15 Dataset.	CoRR	2022	DBLP DOI BibTeX RDF
14	Jeya Maria Jose Valanarasu, Vishal M. Patel 0001	UNeXt: MLP-based Rapid Medical Image Segmentation Network.	CoRR	2022	DBLP DOI BibTeX RDF
14	Tian Lv, Chongyang Bai, Chaojie Wang 0008	MDMLP: Image Classification from Scratch on Small Datasets with MLP.	CoRR	2022	DBLP DOI BibTeX RDF
14	Sarita Gajbhiye Meshram, Chandrashekhar Meshram, Fateme Akhoni Pourhosseini, Mohd Abul Hasan, Saiful Islam	A Multi-Layer Perceptron (MLP)-Fire Fly Algorithm (FFA)-based model for sediment prediction.	Soft Comput.	2022	DBLP DOI BibTeX RDF
14	Cui Zhang, Liejun Wang, Shuli Cheng, Yongming Li	SUMLP: A Siamese U-shaped MLP-based network for change detection.	Appl. Soft Comput.	2022	DBLP DOI BibTeX RDF
14	Shahab Rajabi, Pardis Roozkhosh, Nasser Motahari Farimani	MLP-based Learnable Window Size for Bitcoin price prediction.	Appl. Soft Comput.	2022	DBLP DOI BibTeX RDF
14	Faiza Qayyum, Harun Jamil, Naeem Iqbal, Do-Hyeun Kim 0001, Muhammad Tanvir Afzal	Toward potential hybrid features evaluation using MLP-ANN binary classification model to tackle meaningful citations.	Scientometrics	2022	DBLP DOI BibTeX RDF
14	Ruiyang Liu, Yinghui Li, Linmi Tao, Dun Liang, Hai-Tao Zheng 0002	Are we ready for a new paradigm shift? A survey on visual deep MLP.	Patterns	2022	DBLP DOI BibTeX RDF
14	D. Deepika, N. Balaji	Effective heart disease prediction using novel MLP-EBMDA approach.	Biomed. Signal Process. Control.	2022	DBLP DOI BibTeX RDF
14	Amir Farzad, T. Aaron Gulliver	Log message anomaly detection with fuzzy C-means and MLP.	Appl. Intell.	2022	DBLP DOI BibTeX RDF
14	Dimitrios Amanatidis, Michael F. Dossis	Behavioural synthesis of SGD using the CCC framework: a simple XOR-solving MLP.	Appl. Intell.	2022	DBLP DOI BibTeX RDF
14	Hong Zhang, ZhiXiang Dong, Bo Li, Siyuan He	Multi-Scale MLP-Mixer for image classification.	Knowl. Based Syst.	2022	DBLP DOI BibTeX RDF
14	Reza Samizadeh, Samaneh Tafahomi	Web mining based on word-centric search with clustering approach using MLP-PSO hybrid.	Int. J. Bus. Intell. Data Min.	2022	DBLP DOI BibTeX RDF
14	Lijing An, Liejun Wang, Yongming Li	HEA-Net: Attention and MLP Hybrid Encoder Architecture for Medical Image Segmentation.	Sensors	2022	DBLP DOI BibTeX RDF
14	Peng Tao 0009, Jie Cheng, Luonan Chen	Brain-inspired chaotic backpropagation for MLP.	Neural Networks	2022	DBLP DOI BibTeX RDF
14	Pouya Aghelpour, Hadigheh Bahrami-Pichaghchi, Farzaneh Karimpour	Estimating Daily Rice Crop Evapotranspiration in Limited Climatic Data and Utilizing the Soft Computing Algorithms MLP, RBF, GRNN, and GMDH.	Complex.	2022	DBLP DOI BibTeX RDF
14	Na Gong, Chunlei Zhang, Heng Zhou, Kai Zhang, Zhongyuan Wu, Xin Zhang	Classification of hyperspectral images via improved cycle-MLP.	IET Comput. Vis.	2022	DBLP DOI BibTeX RDF
14	Amin Rezaeipanah, Gholamreza Ahmadi	Breast Cancer Diagnosis Using Multi-Stage Weight Adjustment In The MLP Neural Network.	Comput. J.	2022	DBLP DOI BibTeX RDF
14	Zhichao Wang, Qi Peng, Jie Li	Skip-MLP Network for Point Cloud Classification.	ICIP	2022	DBLP DOI BibTeX RDF
14	Akihiro Imamura, Nana Arizumi	Revisiting Spatial Inductive Bias with MLP-Like Model.	ICIP	2022	DBLP DOI BibTeX RDF
14	Jiandong Xie, Yue Cui 0001, Feiteng Huang, Chao Liu, Kai Zheng 0001	MARINA: An MLP-Attention Model for Multivariate Time-Series Analysis.	CIKM	2022	DBLP DOI BibTeX RDF
14	Zhiyong Zhang, Ruyu Liu, En Xie, Guodao Zhang	Large Scale Point Cloud Classification Base on Graph-MLP++.	DSAA	2022	DBLP DOI BibTeX RDF
14	Kun Zhou 0002, Hui Yu, Wayne Xin Zhao, Ji-Rong Wen	Filter-enhanced MLP is All You Need for Sequential Recommendation.	WWW	2022	DBLP DOI BibTeX RDF
14	Yangyang Xu, Lefei Zhang	DGMLP: Deformable Gating MLP Sharing for Multi-Task Learning.	CICAI (1)	2022	DBLP DOI BibTeX RDF
14	Lu Chao, Ying Liu 0026, Yu Hao 0002, Jianning Yang, Daxiang Li 0002	Joint MLP and Pseudo-label Unsupervised Hash for Image Retrieval.	AIPR	2022	DBLP DOI BibTeX RDF
14	Bing Han, Zhengyang Chen, Bei Liu, Yanmin Qian	MLP-SVNET: A Multi-Layer Perceptrons Based Network for Speaker Verification.	ICASSP	2022	DBLP DOI BibTeX RDF
14	Yanbin He, Zhiyang Lu, Jun Wang 0024, Jun Shi 0004	A Channel Attention Based MLP-Mixer Network for Motor Imagery Decoding With EEG.	ICASSP	2022	DBLP DOI BibTeX RDF
14	Valentin Chazelle, Philippe Thomas 0001, Hind Bril El Haouzi, Christophe Heleu	A MLP for Dryer Energy Consumption Prediction in Wood Panel Industry.	IJCCI	2022	DBLP DOI BibTeX RDF
14	Zhengyang Ai, Guangjun Wu, Binbin Li, Yong Wang, Chuantong Chen	Fourier Enhanced MLP with Adaptive Model Pruning for Efficient Federated Recommendation.	KSEM (3)	2022	DBLP DOI BibTeX RDF
14	Bastian Stollfuss, Michael Bacher	MLP-Supported Mathematical Optimization of Simulation Models: Investigation into the Approximation of Black Box Functions of Any Simulation Model with MLPs with the Aim of Functional Analysis.	IN4PL	2022	DBLP DOI BibTeX RDF
14	Shenyou Fan, Min Fu 0001	Music Genre Recommendation Based on MLP & Random Forest.	ICISCAE	2022	DBLP DOI BibTeX RDF
14	Shuva Paul, Ripan Kumar Kundu	A Bagging MLP-based Autoencoder for Detection of False Data Injection Attack in Smart Grid.	ISGT	2022	DBLP DOI BibTeX RDF
14	Hao Sun 0013, Hongyi Wang 0002, Jiaqing Liu, Yen-Wei Chen 0001, Lanfen Lin	CubeMLP: An MLP-based Model for Multimodal Sentiment Analysis and Depression Estimation.	ACM Multimedia	2022	DBLP DOI BibTeX RDF
14	Zhicai Wang, Yanbin Hao, Xingyu Gao 0001, Hao Zhang, Shuo Wang 0008, Tingting Mu, Xiangnan He 0001	Parameterization of Cross-token Relations with Relative Positional Encoding for Vision MLP.	ACM Multimedia	2022	DBLP DOI BibTeX RDF
14	Shin Beom Hur, Keon Myung Lee	Image-Coded Time Series Classification with MLP-Mixer.	SCIS/ISIS	2022	DBLP DOI BibTeX RDF
14	Chung-Hsing Chen, Zih-Hao Huang, Ko-Wei Huang	Recognition of Handwritten English and Digits Using Stroke Features and MLP.	SCIS/ISIS	2022	DBLP DOI BibTeX RDF