Sio Kei Im

102 papers A 1B 6C 6Misc 2Journal 62Unranked 25
YearRankTypeTitle / Venue / Authors
2026 J jnl
Reasoning or not? A comprehensive evaluation of reasoning LLMs for dialogue summarization.
Expert Syst. Appl.
Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im, Hugo Gonçalo Oliveira
2026 J jnl
Role-aware adapters for dialogue summarization in Seq2Seq models.
Appl. Soft Comput.
Keyan Jin, Yapeng Wang, Leonel Santos, Hugo Gonçalo Oliveira, Xu Yang, Sio Kei Im
2026 J jnl
SGAFNet: Robust brain tumor segmentation via learnable sequence-guided adaptive fusion in available MRI acquisitions.
Comput. Medical Imaging Graph.
Zhuoneng Zhang, Luyi Han, Dengqiang Jia, Tianyu Zhang, Zehui Lin, Ka-Hou Chan, Jiaju Huang, Shaobin Chen, Xiangyu Xiong, Sio Kei Im, Tao Tan, Yue Sun
2025 J jnl
A Hybrid Optimization Algorithm for a Multi-Objective Aircraft Loading Problem With Complex Constraints.
IEEE Access
Boliang Zhang, Yu Yao, Ho Yin Kan, Mei-Pou Chan, Chan-Tong Lam, Sio Kei Im
2025 J jnl
A Symmetric Self-Embedding Mechanism for High-Fidelity Image Recovery Against Tampering.
IEEE Trans. Inf. Forensics Secur.
Tong Liu, Xiaochen Yuan, Wei Ke, Chan-Tong Lam, Sio Kei Im, Pedro Martins
2025 — conf
ADAptation: Reconstruction-Based Unsupervised Active Learning for Breast Ultrasound Diagnosis.
MICCAI (16)
Yaofei Duan, Yuhao Huang, Xin Yang, Luyi Han, Xinyu Xie, Zhiyuan Zhu, Ping He, Ka-Hou Chan, Ligang Cui, Sio Kei Im, Dong Ni, Tao Tan
2025 J jnl
ADAptation: Reconstruction-based Unsupervised Active Learning for Breast Ultrasound Diagnosis.
CoRR
Yaofei Duan, Yuhao Huang, Xin Yang, Luyi Han, Xinyu Xie, Zhiyuan Zhu, Ping He, Ka-Hou Chan, Ligang Cui, Sio Kei Im, Dong Ni, Tao Tan
2025 J jnl
AVICol: Adaptive Visual Instruction for Remote Collaboration Using Mixed Reality.
Int. J. Hum. Comput. Interact.
Lili Wang, Xiangyu Li, Jian Wu, Dong Zhou, Sio Kei Im, Voicu Popescu
2025 J jnl
Adaptive Quantum Scaling Model for Histogram Distribution-based Quantum Watermarking.
CoRR
Zheng Xing, Chan-Tong Lam, Xiaochen Yuan, Sio Kei Im, Penousal Machado
2025 J jnl
An algorithm for improving lower bounds in dynamic time warping.
Expert Syst. Appl.
Yuqi Luo, Xinyi Fang, Wei Ke, Chan-Tong Lam, Sio Kei Im, Luís Paquete
2025 B conf
An artificial intelligence approach to automatically generate Cantonese meeting minutes for e-government.
SMC
Pinyan Li, Lap-Man Hoi, Yapeng Wang, Sio Kei Im
2025 J jnl
Attention-CARU With Texture-Temporal Network for Video Depth Estimation.
IEEE Access
Sio Kei Im, Ka-Hou Chan
2025 J jnl
Cell-Sequence-Based Covert Signal for Tor De-Anonymization Attacks.
Future Internet
Ran Xin, Yapeng Wang, Xiaohong Huang, Xu Yang, Sio Kei Im
2025 B conf
DABART: Dynamic Semantic Optimization Framework for Dialogue Summarization via Adaptive Topic Analysis and Semantic Bridging.
IJCNN
Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im
2025 J jnl
Efficient and Comfortable Haptic Retargeting With Reset Point Optimization.
IEEE Trans. Vis. Comput. Graph.
Aoxin Sun, Jian Wu, Runze Fan, Sio Kei Im, Lili Wang
2025 J jnl
Enhancing Speaker Recognition with CRET Model: a fusion of CONV2D, RESNET and ECAPA-TDNN.
EURASIP J. Audio Speech Music. Process.
Pinyan Li, Lap-Man Hoi, Yapeng Wang, Xu Yang, Sio Kei Im
2025 J jnl
FEN-MRMGCN: A Frontend-Enhanced Network Based on Multi-Relational Modeling GCN for Bus Arrival Time Prediction.
IEEE Access
Ting Qiu, Chan-Tong Lam, Bowie Liu, Benjamin K. Ng, Xiaochen Yuan, Sio Kei Im
2025 J jnl
GHCW: A novel Guarded High-fidelity Compression-based Watermarking scheme for AI model protection and self-recovery.
Appl. Soft Comput.
Tong Liu, Xiaochen Yuan, Wei Ke, Chan-Tong Lam, Sio Kei Im, Xiuli Bi
2025 J jnl
GaussianHand: Real-Time 3D Gaussian Rendering for Hand Avatar Animation.
IEEE Trans. Vis. Comput. Graph.
Lizhi Zhao, Xuequan Lu, Runze Fan, Sio Kei Im, Lili Wang
2025 B conf
Generating a Cyclic 2-Gray Code for Lucas Words in Constant Amortized Time.
CPM
Bowie Liu, Dennis Wong, Chan-Tong Lam, Sio Kei Im
2025 J jnl
Generating pivot Gray codes for spanning trees of complete graphs in constant amortized time.
CoRR
Bowie Liu, Dennis Wong, Chan-Tong Lam, Sio Kei Im
2025 J jnl
HFM-GS: Half-Face Mapping 3DGS Avatar Based Real-Time HMD Removal.
IEEE Trans. Vis. Comput. Graph.
Kangyu Wang, Jian Wu, Runze Fan, Hongwen Zhang, Sio Kei Im, Lili Wang
2025 J jnl
HandBrush for Efficient Object Grouping in Virtual Environment with Bare-Hand.
Int. J. Hum. Comput. Interact.
Sichun Huang, Jian Wu, Runze Fan, Sio Kei Im, Lili Wang
2025 J jnl
HiSum: Hierarchical Topic-Driven Approach for Role-Oriented Dialogue Summarisation.
Expert Syst. J. Knowl. Eng.
Keyan Jin, Yapeng Wang, Xu Yang, Sio Kei Im
2025 J jnl
Low-Complexity Neural Belief Propagation Decoding Algorithm Based on Tensor Ring Decomposition.
IEEE Trans. Cogn. Commun. Netw.
Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im
2025 J jnl
Low-complexity DQED: Advancing dual-scenario quantum edge detection for enhanced image analysis.
Comput. Electr. Eng.
Zheng Xing, Xiaochen Yuan, Chan-Tong Lam, Sio Kei Im
2025 J jnl
LungScope: An Intelligent Embedded System With a Lightweight Model for Real-Time Lung Sound Analysis.
IEEE Trans. Instrum. Meas.
Fan Wang, Xiaochen Yuan, Guoheng Huang, Chan-Tong Lam, Sio Kei Im
2025 J jnl
MVJSCC: Adaptive Lightweight DeepJSCC for Semantic Image Transmission.
IEEE Wirel. Commun. Lett.
Man Xu, Chan-Tong Lam, Yuanhui Liang, Ting Qiu, Benjamin K. Ng, Sio Kei Im
2025 J jnl
Manipulable cone based bare hand object selection in high occlusion virtual environment.
Int. J. Hum. Comput. Stud.
Jiaqi Zhou, Jian Wu, Sio Kei Im, Runze Fan, Lili Wang
2025 J jnl
PFL-ALP: Personalized Federated Learning Against Backdoor Attacks via Attention-Based Local Purification.
IEEE Trans. Inf. Forensics Secur.
Yifeng Jiang, Xiaochen Yuan, Weiwen Zhang, Wei Ke, Chan-Tong Lam, Sio Kei Im
2025 J jnl
Point-FCW: Transposed-FCW Graph Representation for Point Cloud Classification Using TDA.
IEEE Signal Process. Lett.
Haijian Lai, Bowen Liu, Chan-Tong Lam, Benjamin K. Ng, Sio Kei Im
2025 J jnl
Proxy Importance Based Haptic Retargeting With Multiple Props in VR.
IEEE Trans. Vis. Comput. Graph.
Ziming Liu, Jian Wu, Lili Wang, Xiangyu Li, Sio Kei Im
2025 J jnl
Reasoning or Not? A Comprehensive Evaluation of Reasoning LLMs for Dialogue Summarization.
CoRR
Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im, Hugo Gonçalo Oliveira
2025 — conf
RefineNet: Elevating Medical Foundation Models Through Quality-Centric Data Curation by MLLM-Annotated Proxy Distillation.
MICCAI (11)
Ningyi Zhang, Yuan Gao, Xin Wang, Ka-Hou Chan, Jian Wu, Chan-Tong Lam, Shanshan Wang, Yue Sun, Sio Kei Im, Tao Tan
2025 J jnl
SGSG: Stroke-Guided Scene Graph Generation.
IEEE Trans. Vis. Comput. Graph.
Qixiang Ma, Runze Fan, Lizhi Zhao, Jian Wu, Sio Kei Im, Lili Wang
2025 Misc conf
SSCM: Self-Supervised Critical Model for Reducing Hallucinations in Chinese Financial Text Generation.
ICASSP
Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im
2025 J jnl
TDJSCC: Low Complexity and Bandwidth Efficient Deep Joint Source-Channel Coding With OFDM.
IEEE Access
Man Xu, Chan-Tong Lam, Yuanhui Liang, Benjamin K. Ng, Xiaochen Yuan, Sio Kei Im
2025 J jnl
TRHyper: Low-Complexity Hypernetwork for Channel Neural Decoding With Learning Weights in Tensor Ring Format.
IEEE Commun. Lett.
Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im
2025 J jnl
TransHFC: Joints Hypergraph Filtering Convolution and Transformer Framework for TemporalForgery Localization.
IEEE Trans. Circuits Syst. Video Technol.
Jiahao Huang, Xiaochen Yuan, Chan-Tong Lam, Sio Kei Im, Fangyuan Lei, Xiuli Bi
2024 J jnl
A Graph-Based Framework for Traffic Forecasting and Congestion Detection Using Online Images From Multiple Cameras.
IEEE Access
Bowie Liu, Chan-Tong Lam, Benjamin K. Ng, Xiaochen Yuan, Sio Kei Im
2024 J jnl
An accurate slicing method for dynamic time warping algorithm and the segment-level early abandoning optimization.
Knowl. Based Syst.
Yuqi Luo, Wei Ke, Chan-Tong Lam, Sio Kei Im
2024 J jnl
Analysis of the Two-Step Heterogeneous Transfer Learning for Laryngeal Blood Vessel Classification: Issue and Improvement.
CoRR
Xinyi Fang, Chak Fong Chong, Kei Long Wong, Yapeng Wang, Wei Ke, Tiankui Zhang, Sio Kei Im
2024 — conf
CABAC-Based ROI Encryption with Mask R-CNN for VVC Codec.
IMCOM
Sio Kei Im, Ka-Hou Chan
2024 J jnl
Category-wise Fine-Tuning: Resisting Incorrect Pseudo-Labels in Multi-Label Image Classification with Partial Labels.
CoRR
Chak Fong Chong, Xinyi Fang, Jielong Guo, Yapeng Wang, Wei Ke, Chan-Tong Lam, Sio Kei Im
2024 J jnl
Dynamic estimator selection for double-bit-range estimation in VVC CABAC entropy coding.
IET Image Process.
Sio Kei Im, Ka-Hou Chan
2024 J jnl
EEBA: Efficient and ergonomic Big-Arm for distant object manipulation in VR.
Int. J. Hum. Comput. Stud.
Jian Wu, Lili Wang, Sio Kei Im, Chan-Tong Lam
2024 J jnl
Hypernetwork Based Model-Driven Channel Neural Decoding.
IEEE Access
Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im
2024 J jnl
Light-Occlusion Text Entry in Mixed Reality.
Int. J. Hum. Comput. Interact.
Aoxin Sun, Lili Wang, Jiaye Leng, Sio Kei Im
2024 J jnl
Local feature-based video captioning with multiple classifier and CARU-attention.
IET Image Process.
Sio Kei Im, Ka-Hou Chan
2024 J jnl
MMQW: Multi-Modal Quantum Watermarking Scheme.
IEEE Trans. Inf. Forensics Secur.
Zheng Xing, Chan-Tong Lam, Xiaochen Yuan, Sio Kei Im, Penousal Machado
2024 J jnl
Manipulating Data Lakes Intelligently With Java Annotations.
IEEE Access
Lap-Man Hoi, Wei Ke, Sio Kei Im
2024 J jnl
Object manipulation based on the head manipulation space in VR.
Int. J. Hum. Comput. Stud.
Xiaolong Liu, Lili Wang, Wei Ke, Sio Kei Im
2024 J jnl
Real-scene-constrained virtual scene layout synthesis for mixed reality.
Vis. Comput.
Runze Fan, Lili Wang, Xinda Liu, Sio Kei Im, Chan-Tong Lam
2024 J jnl
SMigraPH: a perceptually retained method for passive haptics-based migration of MR indoor scenes.
Vis. Comput.
Qixiang Ma, Lili Wang, Wei Ke, Sio Kei Im
2024 J jnl
VVIR-OM: Efficient Object Manipulation in VR with Variable Virtual Interaction Region.
Int. J. Hum. Comput. Interact.
Qinwen Zheng, Lili Wang, Wei Ke, Sio Kei Im
2023 — conf
A Complex Network Model Based on Radio Map for Navigation of Cellular connected UAV.
ICCIP
Yanming Chai, Ka Meng Siu, Yapeng Wang, Xu Yang, Sio Kei Im
2023 — conf
Comparing RRT and RRT* for Path Planning for UAV in the 3D Urban Occupancy Model.
ICCIP
Zihan Chen, Di Kang, Yapeng Wang, Xu Yang, Sio Kei Im
2023 J jnl
Context-Adaptive-Based Image Captioning by Bi-CARU.
IEEE Access
Sio Kei Im, Ka-Hou Chan
2023 — conf
Distributed Spatial Transformer for Object Tracking in Multi-Camera.
ICACT
Sio Kei Im, Ka-Hou Chan
2023 — conf
Faster Inter Prediction by NR-Frame in VVC.
ICGSP
Ka-Hou Chan, Sio Kei Im
2023 — conf
Multi-height Visual Drone Positioning Based on LSTM and Convolutional Neural Networks.
ICCIP
Qibin He, Yapeng Wang, Xu Yang, Sio Kei Im
2023 — conf
Multilayer CARU Model for Text Summarization.
BigComp
Sio Kei Im, Ka-Hou Chan
2023 J jnl
Speech emotion recognition based on Graph-LSTM neural network.
EURASIP J. Audio Speech Music. Process.
Yan Li, Yapeng Wang, Xu Yang, Sio Kei Im
2023 J jnl
Using Four Hypothesis Probability Estimators for CABAC in Versatile Video Coding.
ACM Trans. Multim. Comput. Commun. Appl.
Ka-Hou Chan, Sio Kei Im
2023 J jnl
Visualizing the Behavior of Learning European Portuguese in Different Regions of the World Through a Mobile Application.
IEEE Access
Lap-Man Hoi, Yuqi Sun, Wei Ke, Sio Kei Im
2022 — conf
An Automatic Speech Segmentation Algorithm of Portuguese based on Spectrogram Windowing.
AIIoT
Lap-Man Hoi, Yuqi Sun, Sio Kei Im
2022 — conf
Data Stream Classification by Using Stacked CARU Networks.
BigComp
Ka-Hou Chan, Sio Kei Im
2022 J jnl
Double bit range estimation with eight estimators for CABAC in VVC.
IET Image Process.
Ka-Hou Chan, Sio Kei Im
2022 J jnl
Multiple classifier for concatenate-designed neural network.
Neural Comput. Appl.
Ka-Hou Chan, Sio Kei Im, Wei Ke
2022 — conf
Optimization of Language Models by Word Computing.
ICGSP
Ka-Hou Chan, Sio Kei Im, Yunfeng Zhang
2022 — conf
Partial Attention Modeling for Sentiment Analysis of Big Data.
ICFSP
Ka-Hou Chan, Sio Kei Im
2022 — conf
Using Double Bit Range Estimation for CABAC in VVC.
ICIGP
Ka-Hou Chan, Sio Kei Im
2021 J jnl
A General Method for Generating Discrete Orthogonal Matrices.
IEEE Access
Ka-Hou Chan, Wei Ke, Sio Kei Im
2021 J jnl
A General Method for Generating Discrete Orthogonal Matrices.
CoRR
Ka-Hou Chan, Wei Ke, Sio Kei Im
2021 J jnl
A Multiple Classifier Approach for Concatenate-Designed Neural Networks.
CoRR
Ka-Hou Chan, Sio Kei Im, Wei Ke
2021 B conf
A Self-Weighting Module to Improve Sentiment Analysis.
IJCNN
Ka-Hou Chan, Sio Kei Im, Yunfeng Zhang
2021 J jnl
Chebyshev Ambient Occlusion.
IEEE Access
Ka-Hou Chan, Sio Kei Im
2021 B conf
Discrete Tchebichef Transform for Versatile Video Coding.
ICMR
Ka-Hou Chan, Sio Kei Im
2020 — conf
CARU: A Content-Adaptive Recurrent Unit for the Transition of Hidden State in NLP.
ICONIP (1)
Ka-Hou Chan, Wei Ke, Sio Kei Im
2020 — conf
Enhancement Spatial Transformer Networks for Text Classification.
ICGSP
Ka-Hou Chan, Sio Kei Im, Vai-Kei Ian, Ka-Man Chan, Wei Ke
2020 J jnl
Higher precision range estimation for context-based adaptive binary arithmetic coding.
IET Image Process.
Sio Kei Im, Ka-Hou Chan
2020 — conf
Self-Adaptive Layer: An Application of Function Approximation Theory to Enhance Convergence Efficiency in Neural Networks.
ICOIN
Ka-Hou Chan, Sio Kei Im, Wei Ke
2020 Misc conf
VGGreNet: A Light-Weight VGGNet with Reused Convolutional Set.
UCC
Ka-Hou Chan, Sio Kei Im, Wei Ke
2020 — conf
Variable-Depth Convolutional Neural Network for Text Classification.
ICONIP (5)
Ka-Hou Chan, Sio Kei Im, Wei Ke
2019 C conf
Image resizing enhancement with DCT coefficients.
ICMV
Ka-Hou Chan, Sio Kei Im, Wei Ke
2019 — conf
Probability κ-means Clustering for Neural Network Architecture.
ICAAI
Ka-Hou Chan, Wei Ke, Sio Kei Im
2019 — conf
Robust Pedestrian Detection: Faster Deployments with Fusion of Models.
ACPR (1)
Chan-Tong Lam, José Gaspar, Wei Ke, Xu Yang, Sio Kei Im
2019 J jnl
Students' characteristics in programming learning and the design of a mobile learning platform.
Int. J. Mob. Learn. Organisation
Chan-Tong Lam, Wei Ke, Sio Kei Im, Anabela Gomes, António José Mendes, Maria José Marcelino
2018 — conf
Improving the Discrete Cosine Transform by the Sign Symbol Feature in H.265/HEVC.
ICGSP
Sio Kei Im, Ka-Hou Chan
2018 J jnl
Particle-mesh coupling in the interaction of fluid and deformable bodies with screen space refraction rendering.
Comput. Animat. Virtual Worlds
Ka-Hou Chan, Wei Ke, Sio Kei Im
2018 — conf
SinP[N]: A Fast Convergence Activation Function for Convolutional Neural Networks.
UCC Companion
Ka-Hou Chan, Sio Kei Im, Wei Ke, Ngan-Lin Lei
2017 C conf
A teacher's view about introductory programming teaching and learning - Portuguese and Macanese perspectives.
FIE
Anabela Gomes, Wei Ke, Sio Kei Im, Andrew Siu, António José Mendes, Maria José Marcelino
2017 C conf
Efficient mode decision with enhanced sampling algorithm for HEVC.
WoWMoM
Sio Kei Im, Ka-Hou Chan
2017 B conf
Fast Binarisation with Chebyshev Inequality.
DocEng
Ka-Hou Chan, Sio Kei Im, Wei Ke
2017 — conf
Fast Grid-Based Fluid Dynamics Simulation with Conservation of Momentum and Kinetic Energy on GPU.
ICIG (3)
Ka-Hou Chan, Sio Kei Im
2017 — conf
Fast Intra Prediction Algorithm with Enhanced Sampling Decision for H.265/HEVC.
VISIGRAPP (4: VISAPP)
Sio Kei Im, Mohammad Mahdi Ghandi, Ka-Hou Chan
2017 — conf
Student's characteristics and programming learning - A Macanese perspective.
TALE
Anabela Gomes, António José Mendes, Maria José Marcelino, Wei Ke, Sio Kei Im, Chan-Tong Lam
2016 J jnl
Improved rate-distortion optimized video coding using non-integer bit estimation and multiple Lambda search.
Frontiers Comput. Sci.
Sio Kei Im, Mohammad Mahdi Ghandi
2016 C conf
Non-integer bit estimation for enhanced inter-picture prediction in H.265/HEVC.
WoWMoM
Sio Kei Im, Mohammad Mahdi Ghandi, Ka-Hou Chan
2015 C conf
Multi-lambda search for improved rate-distortion optimization of H.265/HEVC.
ICICS
Sio Kei Im, Ka-Hou Chan
2012 C conf
Non-integer bit estimation for rate-distortion optimized video coding.
ICCE
Sio Kei Im, Mohammad Mahdi Ghandi, C. T. Lam
2006 A conf
An Optimized Mapping Algorithm for Classified Video Transmission with the H.264 Flexible Macroblock Ordering.
ICME
Sio Kei Im, Alan Pearmain