Ruoyu Zhang

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 89

Top Topics

Channel Estimation

Video Analytics

Galvanic Skin Response

Top Venues

Comput. Electron. Agric.

Int. J. Wirel. Inf. Networks

Publications

Siwan Dong, Ruoyu Zhang, Chuqiang Jing, Menghan Yuan
A 0.6V 119 dB High-CMRR Low-NEF PGA with common-mode voltage control for ECG recording. Microelectron. J. 146 (2024)
Yanzeng Li, Cheng Zeng, Jialun Zhong, Ruoyu Zhang, Minhao Zhang, Lei Zou
Leveraging Large Language Model as Simulated Patients for Clinical Education. CoRR (2024)
Ruoyu Zhang, Lei Cheng, Shuai Wang, Yi Lou, Yulong Gao, Wen Wu, Derrick Wing Kwan Ng
Integrated Sensing and Communication With Massive MIMO: A Unified Tensor Approach for Channel and Target Parameter Estimation. IEEE Trans. Wirel. Commun. 23 (8) (2024)
Qingxu Li, Wenjing Ma, Hao Li, Xuedong Zhang, Ruoyu Zhang, Wanhuai Zhou
Cotton-YOLO: Improved YOLOV7 for rapid detection of foreign fibers in seed cotton. Comput. Electron. Agric. 219 (2024)
Guohe Zhang, Ruoyu Zhang, Ran Wang, Siyu Zhu
A Systolic Array-Based Scheduling Strategy for Sparse CNN Accelerators. IEEE Trans. Circuits Syst. II Express Briefs 71 (3) (2024)
Wentao Zhang, Chen Miao, Ruoyu Zhang, Jinping Yang, Wen Wu
A low-complexity ISAC method for LFM-PSK signals using de-chirping and ISAC phase unwrapping techniques. Digit. Signal Process. 153 (2024)
Ruoyu Zhang, Lei Cheng, Shuai Wang, Yi Lou, Yulong Gao, Wen Wu, Derrick Wing Kwan Ng
Integrated Sensing and Communication with Massive MIMO: A Unified Tensor Approach for Channel and Target Parameter Estimation. CoRR (2024)
Yue Ma, Chen Miao, Weijun Long, Ruoyu Zhang, Qiaoyu Chen, Jin-Dong Zhang, Wen Wu
Time-Modulated Arrays in Scanning Mode Using Wideband Signals for Range-Doppler Estimation With Time-Frequency Filtering and Fusion. IEEE Trans. Aerosp. Electron. Syst. 60 (1) (2024)
Shulin Zeng, Jun Liu, Guohao Dai, Xinhao Yang, Tianyu Fu, Hongyi Wang, Wenheng Ma, Hanbo Sun, Shiyao Li, Zixiao Huang, Yadong Dai, Jintao Li, Zehao Wang, Ruoyu Zhang, Kairui Wen, Xuefei Ning, Yu Wang
FlightLLM: Efficient Large Language Model Inference with a Complete Mapping Flow on FPGAs. CoRR (2024)
Jiankang Yang, Zhiqiang Zhai, Yulin Li, Hongwei Duan, Fengjie Cai, Jidong Lv, Ruoyu Zhang
Design and research of residual film pollution monitoring system based on UAV. Comput. Electron. Agric. 217 (2024)
Baoquan Yu, Yueming Cai, Dan Wu, Chao Dong, Ruoyu Zhang, Wen Wu
Optimizing Age of Information for Uplink Cellular Internet of Things With Random Access. IEEE Internet Things J. 11 (11) (2024)
Chengyu Zheng, Ning Song, Ruoyu Zhang, Lei Huang, Zhiqiang Wei, Jie Nie
Scale-Semantic Joint Decoupling Network for Image-Text Retrieval in Remote Sensing. ACM Trans. Multim. Comput. Commun. Appl. 20 (1) (2024)
Shulin Zeng, Jun Liu, Guohao Dai, Xinhao Yang, Tianyu Fu, Hongyi Wang, Wenheng Ma, Hanbo Sun, Shiyao Li, Zixiao Huang, Yadong Dai, Jintao Li, Zehao Wang, Ruoyu Zhang, Kairui Wen, Xuefei Ning, Yu Wang
FlightLLM: Efficient Large Language Model Inference with a Complete Mapping Flow on FPGAs. FPGA (2024)
Duo Wu, Dayou Zhang, Miao Zhang, Ruoyu Zhang, Fangxin Wang, Shuguang Cui
ILCAS: Imitation Learning-Based Configuration- Adaptive Streaming for Live Video Analytics With Cross-Camera Collaboration. IEEE Trans. Mob. Comput. 23 (6) (2024)
Ruoyu Zhang, Jun Ye
Multiple attribute decision making technique using single-valued neutrosophic trigonometric Dombi aggregation operators. Soft Comput. 28 (5) (2024)
Jie Wang, Mengyun Zhang, Zhenxuan Zhao, Zikai Wei, Ruoyu Zhang
Optical properties of cotton and mulching film and feature bands selection in the 400 to 1120 nm range. Comput. Electron. Agric. 219 (2024)
Chongzhou Fang, Ning Miao, Shaurya Srivastav, Jialin Liu, Ruoyu Zhang, Ruijie Fang, Asmita, Ryan Tsang, Najmeh Nazari, Han Wang, Houman Homayoun
Large Language Models for Code Analysis: Do LLMs Really Do Their Job? USENIX Security Symposium (2024)
Zhenduo Wang, Zhipeng Liu, Shuai Hao, Xingyu Chen, Ruoyu Zhang
OTFS Waveform Design Based on WFRFT for Integrated Sensing and Communication. ICCC (2023)
Duo Wu, Dayou Zhang, Miao Zhang, Ruoyu Zhang, Fangxin Wang, Shuguang Cui
ILCAS: Imitation Learning-Based Configuration-Adaptive Streaming for Live Video Analytics with Cross-Camera Collaboration. CoRR (2023)
Ruoyu Zhang, Ruijie Fang, Chongzhou Fang, Houman Homayoun, Gozde Goncu Berk
Privee: A Wearable for Real-Time Bladder Monitoring System. UbiComp/ISWC Adjunct (2023)
Ruoyu Zhang, Jennifer Shin, Kristine Schulz, Xiao Liu, Anjana Susarla, Rema Padman
YouTube Video Analytics for Patient Education: An Exploratory Clustering of Obstructive Sleep Apnea Videos. MedInfo (2023)
Elahe Hosseini, Ruijie Fang, Ruoyu Zhang, Setareh Rafatirad, Houman Homayoun
Emotion and Stress Recognition Utilizing Galvanic Skin Response and Wearable Technology: A Real-time Approach for Mental Health Care. BIBM (2023)
Hao Li, Ruoyu Zhang, Wanhuai Zhou, Xiang Liu, Kai Wang, Mengyun Zhang, Qingxu Li
A novel method for seed cotton color measurement based on machine vision technology. Comput. Electron. Agric. 215 (2023)
Ruoyu Zhang, Lei Cheng, Shuai Wang, Yi Lou, Chen Miao, Wen Wu, Derrick Wing Kwan Ng
Target Sensing in Wideband Massive MIMO-ISAC Systems in the Presence of Beam Squint. ICC Workshops (2023)
Ruoyu Zhang, Yanzeng Li, Yongliang Ma, Ming Zhou, Lei Zou
LLMaAA: Making Large Language Models as Active Annotators. CoRR (2023)
Yanzeng Li, Bingcong Xue, Ruoyu Zhang, Lei Zou
AtTGen: Attribute Tree Generation for Real-World Attribute Joint Extraction. ACL (1) (2023)
Ruoyu Zhang, Yanzeng Li, Minhao Zhang, Lei Zou
Exploiting Ubiquitous Mentions for Document-Level Relation Extraction. SIGIR (2023)
Liang Fang, Ruoyu Zhang, Hongwei Duan, Jinqiang Chang, Zhaoquan Zeng, Yifu Qian, Mianzhe Hong
Resistive Sensing of Seed Cotton Moisture Regain Based on Pressure Compensation. Sensors 23 (20) (2023)
Jingqi Wang, Pingping Wang, Ruoyu Zhang, Wen Wu
SDFnT-Based Parameter Estimation for OFDM Radar Systems with Intercarrier Interference. Sensors 23 (1) (2023)
Guangyi Chen, Ruoyu Zhang, Hong Ren, Weijie Yuan, Chen Miao, Wen Wu
Hybrid Beamforming Design with Overlapped Subarrays for Massive MIMO-ISAC Systems. GLOBECOM (2023)
Ruoyu Zhang, Ruijie Fang, Zhichao Zhang, Elahe Hosseini, Mahdi Orooji, Houman Homayoun, Gozde Goncu Berk
Short: Real-Time Bladder Monitoring by Bio-impedance Analysis to Aid Urinary Incontinence. CHASE (2023)
Tianhao Wu, Banghua Zhu, Ruoyu Zhang, Zhaojin Wen, Kannan Ramchandran, Jiantao Jiao
Pairwise Proximal Policy Optimization: Harnessing Relative Feedback for LLM Alignment. CoRR (2023)
Ruoyu Zhang, Yanzeng Li, Yongliang Ma, Ming Zhou, Lei Zou
LLMaAA: Making Large Language Models as Active Annotators. EMNLP (Findings) (2023)
Ruoyu Zhang, Yanzeng Li, Lei Zou
A Novel Table-to-Graph Generation Approach for Document-Level Joint Entity and Relation Extraction. ACL (1) (2023)
Andy Regensky, Viktoria Heimann, Ruoyu Zhang, André Kaup
Improving Spherical Image Resampling Through Viewport-Adaptivity. ICIP (2023)
Ruijie Fang, Ruoyu Zhang, Elahe Hosseini, Chongzhou Fang, Setareh Rafatirad, Houman Homayoun
Introducing an Open-Source Python Toolkit for Machine Learning Research in Physiological Signal based Affective Computing. BIBM (2023)
Minhao Zhang, Yongliang Ma, Yanzeng Li, Ruoyu Zhang, Lei Zou, Ming Zhou
Two is Better Than One: Answering Complex Questions by Multiple Knowledge Sources with Generalized Links. CoRR (2023)
Chongzhou Fang, Ning Miao, Shaurya Srivastav, Jialin Liu, Ruoyu Zhang, Ruijie Fang, Asmita Asmita, Ryan Tsang, Najmeh Nazari, Han Wang, Houman Homayoun
Large Language Models for Code Analysis: Do LLMs Really Do Their Job? CoRR (2023)
Xiu Li, Chengyu Zheng, Jie Nie, Ruoyu Zhang, Xinyue Liang, Zhiqiang Wei
Relevance and Irrelevance Considered Subspace Mapping Neural Networks for Remote Sensing Text-Image Retrieval. MMAsia (2023)
Ruoyu Zhang, Byonghyo Shim, Wen Wu
Direction-of-Arrival Estimation for Large Antenna Arrays With Hybrid Analog and Digital Architectures. IEEE Trans. Signal Process. 70 (2022)
Ruoyu Zhang, Byonghyo Shim, Weijie Yuan, Marco Di Renzo, Xiaoyu Dang, Wen Wu
Integrated Sensing and Communication Waveform Design With Sparse Vector Coding: Low Sidelobes and Ultra Reliability. IEEE Trans. Veh. Technol. 71 (4) (2022)
Tianyu Zhao, Shuyi Chen, Ruoyu Zhang, Hsiao-Hwa Chen, Qing Guo
Uplink Channel Estimation With Reduced Fronthaul Overhead in Cell-Free Massive MIMO Systems. IEEE Wirel. Commun. Lett. 11 (8) (2022)
Yi Lou, Xinghao Qu, Ruoyu Zhang, Yunjiang Zhao, Gang Qiao
Low-Complexity Source Localization Based on Quaternion Analysis in Smart Ocean. GLOBECOM (2022)
Elahe Hosseini, Ruijie Fang, Ruoyu Zhang, Chen-Nee Chuah, Mahdi Orooji, Soheil Rafatirad, Setareh Rafatirad, Houman Homayoun
Convolution Neural Network for Pain Intensity Assessment from Facial Expression. EMBC (2022)
Minhao Zhang, Ruoyu Zhang, Yanzeng Li, Lei Zou
Crake: Causal-Enhanced Table-Filler for Question Answering over Large Scale Knowledge Base. NAACL-HLT (Findings) (2022)
Chengyu Zheng, Ning Song, Ruoyu Zhang, Lei Huang, Zhiqiang Wei, Jie Nie
Scale-Semantic Joint Decoupling Network for Image-text Retrieval in Remote Sensing. CoRR (2022)
Ruijie Fang, Ruoyu Zhang, Elahe Hosseini, Anna M. Parenteau, Sally Hang, Setareh Rafatirad, Camelia E. Hostinar, Mahdi Orooji, Houman Homayoun
Towards Generalized ML Model in Automated Physiological Arousal Computing: A Transfer Learning-Based Domain Generalization Approach. BIBM (2022)
Ruoyu Zhang, Lei Cheng, Shuai Wang, Yi Lou, Wen Wu, Derrick Wing Kwan Ng
Tensor Decomposition-Based Channel Estimation for Hybrid mmWave Massive MIMO in High-Mobility Scenarios. IEEE Trans. Commun. 70 (9) (2022)
Ruijie Fang, Ruoyu Zhang, Elahe Hosseini, Anna M. Parenteau, Sally Hang, Setareh Rafatirad, Camelia E. Hostinar, Mahdi Orooji, Houman Homayoun
Prevent Over-fitting and Redundancy in Physiological Signal Analyses for Stress Detection. BIBM (2022)
Ruijie Fang, Ruoyu Zhang, Elahe Hosseini, Mahdi Orooji, Houman Homayoun, Sayed Mohammad Hosseini, Mahya Faghih, Soheil Rafatirad, Setareh Rafatirad
ATLAS: An Adaptive Transfer Learning Based Pain Assessment System: A Real Life Unsupervised Pain Assessment Solution. EMBC (2022)
Minhao Zhang, Ruoyu Zhang, Yanzeng Li, Lei Zou
Crake: Causal-Enhanced Table-Filler for Question Answering over Large Scale Knowledge Base. CoRR (2022)
Elahe Hosseini, Ruijie Fang, Ruoyu Zhang, Anna Parenteau, Sally Hang, Setareh Rafatirad, Camelia Hostinar, Mahdi Orooji, Houman Homayoun
A Low Cost EDA-based Stress Detection Using Machine Learning. BIBM (2022)
Ruoyu Zhang, Yutao Zhou, Fangxin Wang, Zhi Wang
Maxim: DRL-Based Cross-Camera Streaming Configuration for Real-Time Video Analytics. ICME (2022)
Wenxing Zhou, Ruoyu Zhang, Guangyi Chen, Wen Wu
Integrated Sensing and Communication Waveform Design: A Survey. IEEE Open J. Commun. Soc. 3 (2022)
Donglai Zhao, Gang Wang, Haoyang Liu, Ruoyu Zhang
Coverage Probability and Area Spectral Efficiency Analysis of Multi-Antenna Ultra-Dense Networks over Nakagami-$m$ Fading Channels. IWCMC (2021)
Donglai Zhao, Gang Wang, Shaobo Jia, Ruoyu Zhang
Performance Analysis of K-Tier Ultra-Dense Networks over Nakagami-m Fading Channels. WCNC (2021)
Ruoyu Zhang, Gurinder S. Atwal, Wei Keat Lim
Noise regularization removes correlation artifacts in single-cell RNA-seq data preprocessing. Patterns 2 (3) (2021)
Ruoyu Zhang, Ming-e Jing, Yibo Fan, Xiaoyang Zeng
Small Object Detection in Aerial Images. ASICON (2021)
Yinnian Lin, Minhao Zhang, Ruoyu Zhang, Lei Zou
Deep-gAnswer: A Knowledge Based Question Answering System. APWeb/WAIM (2) (2021)
Zhichao Zhang, Ruoyu Zhang, Chi-Wei Chang, Yaojun Guo, Yung-Wei Chi, Tingrui Pan
iWRAP: A Theranostic Wearable Device With Real-Time Vital Monitoring and Auto-Adjustable Compression Level for Venous Thromboembolism. IEEE Trans. Biomed. Eng. 68 (9) (2021)
Minhao Zhang, Ruoyu Zhang, Lei Zou, Yinnian Lin, Sen Hu
NAMER: A Node-Based Multitasking Framework for Multi-Hop Knowledge Base Question Answering. NAACL-HLT (Demonstrations) (2021)
Ruoyu Zhang, Wenpeng Lu, Shoujin Wang, Xueping Peng, Rui Yu, Yuan Gao
Chinese clinical named entity recognition based on stacked neural network. Concurr. Comput. Pract. Exp. 33 (22) (2021)
Ruoyu Zhang, Byonghyo Shim, Yi Lou, Shaobo Jia, Wen Wu
Sparse Vector Coding Aided Ultra-Reliable and Low-Latency Communications in Multi-User Massive MIMO Systems. IEEE Trans. Veh. Technol. 70 (1) (2021)
Gozde Goncu Berk, Ruoyu Zhang, Cigdem Yilmaz
CalmWear: A Smart Tactile Sensory Stimulation Clothing. ISWC (2021)
Jinlong Wang, Gang Wang, Guanyi Chen, Bo Li, Ruofei Zhou, Ruoyu Zhang
Design and optimization for UAV-enabled two-way relaying system with SWIPT. EURASIP J. Wirel. Commun. Netw. 2020 (1) (2020)
Guangtao Zeng, Wenmian Yang, Zeqian Ju, Yue Yang, Sicheng Wang, Ruisi Zhang, Meng Zhou, Jiaqi Zeng, Xiangyu Dong, Ruoyu Zhang, Hongchao Fang, Penghui Zhu, Shu Chen, Pengtao Xie
MedDialog: Large-scale Medical Dialogue Datasets. EMNLP (1) (2020)
Xiaowen Cai, Chunxi Zhang, Yanqiang Yang, Shuang Gao, Ruoyu Zhang
A Multiposition Initial Alignment Method of Portable MIMU/FOG Compound Navigation System. IEEE Access 8 (2020)
Xu Zhang, Wenpeng Lu, Fangfang Li, Ruoyu Zhang, Jinyong Cheng
A deep neural architecture for sentence semantic matching. Int. J. Comput. Sci. Eng. 21 (4) (2020)
Ruoyu Zhang, Byonghyo Shim, Honglin Zhao
Downlink Compressive Channel Estimation With Phase Noise in Massive MIMO Systems. IEEE Trans. Commun. 68 (9) (2020)
Shu Chen, Zeqian Ju, Xiangyu Dong, Hongchao Fang, Sicheng Wang, Yue Yang, Jiaqi Zeng, Ruisi Zhang, Ruoyu Zhang, Meng Zhou, Penghui Zhu, Pengtao Xie
MedDialog: A Large-scale Medical Dialogue Dataset. CoRR (2020)
Baoqin Li, Junyong Wu, Liangliang Hao, Meiyang Shao, Ruoyu Zhang, Wei Zhao
Anti-Jitter and Refined Power System Transient Stability Assessment Based on Long-Short Term Memory Network. IEEE Access 8 (2020)
Gozde Goncu Berk, Tara Halsted, Ruoyu Zhang, Tingrui Pan
Therapeutic Touch: Reactive Clothing for Anxiety. PervasiveHealth (2020)
Ruoyu Zhang, Jiayan Zhang, Yulong Gao, Honglin Zhao
Prior CSIT estimation for FDD massive MIMO system with 1-bit feedback per dimension. Trans. Emerg. Telecommun. Technol. 30 (12) (2019)
Ruoyu Zhang, Jiayan Zhang, Yulong Gao, Honglin Zhao
Bussgang decomposition-based sparse channel estimation in wideband hybrid millimeter wave MIMO systems with finite-bit ADCs. Digit. Signal Process. 85 (2019)
Shaobo Jia, Jiayan Zhang, Honglin Zhao, Ruoyu Zhang
Joint Relay Selection and Destination Assisted Cooperative Jamming with Power Allocation for Secure DF Relay Network. Int. J. Wirel. Inf. Networks 26 (3) (2019)
Jihong Yan, Ruoyu Zhang, Xinbin Zhang, Jie Zhao
A New Cable-driven Torsion and Bending Soft Actuator Inspired by Parallel Robot. RCAR (2019)
Ruoyu Zhang, Jiayan Zhang, Tianyu Zhao, Honglin Zhao
Block Sparse Recovery for Wideband Channel Estimation in Hybrid mmWave MIMO Systems. GLOBECOM (2018)
Ruoyu Zhang, Honglin Zhao, Jiayan Zhang
Distributed Compressed Sensing Aided Sparse Channel Estimation in FDD Massive MIMO System. IEEE Access 6 (2018)
Ruoyu Zhang, Honglin Zhao, Chengzhao Shan, Shaobo Jia
A Low Complexity Correlation Algorithm for Compressive Channel Estimation in Massive MIMO System. Int. J. Wirel. Inf. Networks 25 (4) (2018)
Gregory N. Taff, Yang Shao, Jie Ren, Ruoyu Zhang
Image Classification by Integrating Reject Option and Prior Information. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 11 (11) (2018)
Ruoyu Zhang, Jiayan Zhang, Honglin Zhao, Yulong Gao
Sparsity-aided codebook for limited feedback in FDD massive MIMO system. Phys. Commun. 30 (2018)
Ruoyu Zhang, Honglin Zhao, Chengzhao Shan, Shaobo Jia
Correction to: A Low Complexity Correlation Algorithm for Compressive Channel Estimation in Massive MIMO System. Int. J. Wirel. Inf. Networks 25 (4) (2018)
Ruoyu Zhang, Jiayan Zhang, Yulong Gao, Honglin Zhao
Distributed compressed sensing-based multiuser channel estimation for frequency-selective hybrid mmWave MIMO system. Int. J. Commun. Syst. 31 (18) (2018)
Shaobo Jia, Jiayan Zhang, Honglin Zhao, Ruoyu Zhang
Relay Selection for Improved Security in Cognitive Relay Networks With Jamming. IEEE Wirel. Commun. Lett. 6 (5) (2017)
Jingting Xiao, Ruoyu Zhang, Honglin Zhao
Variable Dimension Measurement Matrix Construction for Compressive Sampling via m Sequence. MLICOM (1) (2017)
Chengzhao Shan, Yongkui Ma, Honglin Zhao, Ruoyu Zhang
A new iterative phase correction algorithm in conformal antenna array designing. IWCMC (2017)
Ruoyu Zhang, Honglin Zhao, Shaobo Jia
Compressed sensing-based structured joint channel estimation in a multi-user massive MIMO system. Frontiers Inf. Technol. Electron. Eng. 18 (12) (2017)
Ruoyu Zhang, Changying Li, Mengyun Zhang, James Rodgers
Shortwave infrared hyperspectral reflectance imaging for cotton foreign matter classification. Comput. Electron. Agric. 127 (2016)
Shaobo Jia, Jiayan Zhang, Honglin Zhao, Ruoyu Zhang
Destination Assisted Secret Transmission in Wireless Relay Networks. VTC Fall (2016)
Ruoyu Zhang, Shiqiu Huang, Zhengwei Qi, Haibing Guan
Static program analysis assisted dynamic taint tracking for software vulnerability discovery. Comput. Math. Appl. 63 (2) (2012)
Aaron Stump, Andrew Reynolds, Cesare Tinelli, Austin Laugesen, Harley Eades III, Corey Oliver, Ruoyu Zhang
LFSC for SMT Proofs: Work in Progress. PxTP (2012)
Zhuo Wang, Zhushou Tang, Kan Zhou, Ruoyu Zhang, Zhengwei Qi, Haibing Guan
DsVD: An Effective Low-Overhead Dynamic Software Vulnerability Discoverer. ISADS (2011)
Ruoyu Zhang, Shan Huang, Zhengwei Qi
Efficient Taint Analysis with Taint Behavior Summary. CMC (2011)
Ruoyu Zhang, Shiqiu Huang, Zhengwei Qi, Haibing Guan
Combining Static and Dynamic Analysis to Discover Software Vulnerabilities. IMIS (2011)
Gengbiao Chen, Zhuo Wang, Ruoyu Zhang, Kan Zhou, Shiqiu Huang, Kangqi Ni, Zhengwei Qi, Kai Chen, Haibing Guan
A Refined Decompiler to Generate C Code with High Readability. WCRE (2010)
Takashi Hiekata, Takashi Morita, Youhei Ikeda, Hiroshi Hashimoto, Ruoyu Zhang, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano
Multiple ICA-based real-time blind source extraction applied to handy size microphone. ICASSP (2009)
Yuanqin Wang, Ruoyu Zhang, Jiacai Hong, Jing Sun
Radar echo envelope extraction using Teager energy operator and wavelet transform. APCCAS (2008)