Sio Kei Im

According to our database, Sio Kei Im authored at least 88 papers between 2006 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

LogicMix: Sample mixing data augmentation for multi-label image classification with partial labels.

Chak Fong Chong, Jielong Guo, Xu Yang, Wei Ke, Pedro Henriques Abreu, Yapeng Wang, Sio Kei Im

Pattern Recognit., 2026

2025

A review on speech recognition approaches and challenges for Portuguese: exploring the feasibility of fine-tuning large-scale end-to-end models.

Yan Li, Yapeng Wang, Lap-Man Hoi, Dingcheng Yang, Sio Kei Im

EURASIP J. Audio Speech Music. Process., December, 2025

Enhancing Speaker Recognition with CRET Model: a fusion of CONV2D, RESNET and ECAPA-TDNN.

Pinyan Li, Lap-Man Hoi, Yapeng Wang, Xu Yang, Sio Kei Im

EURASIP J. Audio Speech Music. Process., December, 2025

GaussianHand: Real-Time 3D Gaussian Rendering for Hand Avatar Animation.

Lizhi Zhao, Xuequan Lu, Runze Fan, Sio Kei Im, Lili Wang

IEEE Trans. Vis. Comput. Graph., September, 2025

Efficient and Comfortable Haptic Retargeting With Reset Point Optimization.

Aoxin Sun, Jian Wu, Runze Fan, Sio Kei Im, Lili Wang

IEEE Trans. Vis. Comput. Graph., September, 2025

MVJSCC: Adaptive Lightweight DeepJSCC for Semantic Image Transmission.

Man Xu, Chan-Tong Lam, Yuanhui Liang, Ting Qiu, Benjamin K. Ng, Sio Kei Im

IEEE Wirel. Commun. Lett., August, 2025

Proxy Importance Based Haptic Retargeting With Multiple Props in VR.

Ziming Liu, Jian Wu, Lili Wang, Xiangyu Li, Sio Kei Im

IEEE Trans. Vis. Comput. Graph., July, 2025

Reasoning or Not? A Comprehensive Evaluation of Reasoning LLMs for Dialogue Summarization.

Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im, Hugo Gonçalo Oliveira

CoRR, July, 2025

ADAptation: Reconstruction-based Unsupervised Active Learning for Breast Ultrasound Diagnosis.

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

CoRR, July, 2025

Low-Complexity Neural Belief Propagation Decoding Algorithm Based on Tensor Ring Decomposition.

Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im

IEEE Trans. Cogn. Commun. Netw., June, 2025

TRHyper: Low-Complexity Hypernetwork for Channel Neural Decoding With Learning Weights in Tensor Ring Format.

Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im

IEEE Commun. Lett., May, 2025

Adaptive Quantum Scaling Model for Histogram Distribution-based Quantum Watermarking.

Zheng Xing, Chan-Tong Lam, Xiaochen Yuan, Sio Kei Im, Penousal Machado

CoRR, February, 2025

AVICol: Adaptive Visual Instruction for Remote Collaboration Using Mixed Reality.

Lili Wang, Xiangyu Li, Jian Wu, Dong Zhou, Sio Kei Im, Voicu Popescu

Int. J. Hum. Comput. Interact., January, 2025

Point-FCW: Transposed-FCW Graph Representation for Point Cloud Classification Using TDA.

Haijian Lai, Bowen Liu, Chan-Tong Lam, Benjamin K. Ng, Sio Kei Im

IEEE Signal Process. Lett., 2025

Category-wise Fine-Tuning: Resisting incorrect pseudo-labels in multi-label image classification with partial labels.

Chak Fong Chong, Xinyi Fang, Jielong Guo, Pedro Henriques Abreu, Yapeng Wang, Xu Yang, Wei Ke, Sio Kei Im

Neurocomputing, 2025

Manipulable cone based bare hand object selection in high occlusion virtual environment.

Jiaqi Zhou, Jian Wu, Sio Kei Im, Runze Fan, Lili Wang

Int. J. Hum. Comput. Stud., 2025

An algorithm for improving lower bounds in dynamic time warping.

Yuqi Luo, Xinyi Fang, Wei Ke, Chan-Tong Lam, Sio Kei Im, Luís Paquete

Expert Syst. Appl., 2025

HiSum: Hierarchical Topic-Driven Approach for Role-Oriented Dialogue Summarisation.

Keyan Jin, Yapeng Wang, Xu Yang, Sio Kei Im

Expert Syst. J. Knowl. Eng., 2025

Low-complexity DQED: Advancing dual-scenario quantum edge detection for enhanced image analysis.

Zheng Xing, Xiaochen Yuan, Chan-Tong Lam, Sio Kei Im

Comput. Electr. Eng., 2025

GHCW: A novel Guarded High-fidelity Compression-based Watermarking scheme for AI model protection and self-recovery.

Tong Liu, Xiaochen Yuan, Wei Ke, Chan-Tong Lam, Sio Kei Im, Xiuli Bi

Appl. Soft Comput., 2025

A Hybrid Optimization Algorithm for a Multi-Objective Aircraft Loading Problem With Complex Constraints.

Boliang Zhang, Yu Yao, H. Y. Kan, Mei-Pou Chan, Chan-Tong Lam, Sio Kei Im

IEEE Access, 2025

Performance Evaluation and Application Potential of Small Large Language Models in Complex Sentiment Analysis Tasks.

Yunchu Yang, Jiaxuan Li, Jielong Guo, Patrick Cheong-Iao Pang, Yapeng Wang, Xu Yang, Sio Kei Im

IEEE Access, 2025

FEN-MRMGCN: A Frontend-Enhanced Network Based on Multi-Relational Modeling GCN for Bus Arrival Time Prediction.

Ting Qiu, Chan-Tong Lam, Bowie Liu, Benjamin K. Ng, Xiaochen Yuan, Sio Kei Im

IEEE Access, 2025

Attention-CARU With Texture-Temporal Network for Video Depth Estimation.

Sio Kei Im, Ka-Hou Chan

IEEE Access, 2025

SSCM: Self-Supervised Critical Model for Reducing Hallucinations in Chinese Financial Text Generation.

Keyan Jin, Yapeng Wang, Leonel Santos, Tao Fang, Xu Yang, Sio Kei Im

Proceedings of the 2025 IEEE International Conference on Acoustics, 2025

Generating a Cyclic 2-Gray Code for Lucas Words in Constant Amortized Time.

Bowie Liu, Dennis Wong, Chan-Tong Lam, Sio Kei Im

Proceedings of the 36th Annual Symposium on Combinatorial Pattern Matching, 2025

2024

VVIR-OM: Efficient Object Manipulation in VR with Variable Virtual Interaction Region.

Qinwen Zheng, Lili Wang, Wei Ke, Sio Kei Im

Int. J. Hum. Comput. Interact., December, 2024

Light-Occlusion Text Entry in Mixed Reality.

Aoxin Sun, Lili Wang, Jiaye Leng, Sio Kei Im

Int. J. Hum. Comput. Interact., December, 2024

SMigraPH: a perceptually retained method for passive haptics-based migration of MR indoor scenes.

Qixiang Ma, Lili Wang, Wei Ke, Sio Kei Im

Vis. Comput., November, 2024

Real-scene-constrained virtual scene layout synthesis for mixed reality.

Runze Fan, Lili Wang, Xinda Liu, Sio Kei Im, Chan-Tong Lam

Vis. Comput., September, 2024

Local feature-based video captioning with multiple classifier and CARU-attention.

Sio Kei Im, Ka-Hou Chan

IET Image Process., July, 2024

Dynamic estimator selection for double-bit-range estimation in VVC CABAC entropy coding.

Sio Kei Im, Ka-Hou Chan

IET Image Process., February, 2024

MMQW: Multi-Modal Quantum Watermarking Scheme.

Zheng Xing, Chan-Tong Lam, Xiaochen Yuan, Sio Kei Im, Penousal Machado

IEEE Trans. Inf. Forensics Secur., 2024

An accurate slicing method for dynamic time warping algorithm and the segment-level early abandoning optimization.

Yuqi Luo, Wei Ke, Chan-Tong Lam, Sio Kei Im

Knowl. Based Syst., 2024

EEBA: Efficient and ergonomic Big-Arm for distant object manipulation in VR.

Jian Wu, Lili Wang, Sio Kei Im, Chan-Tong Lam

Int. J. Hum. Comput. Stud., 2024

Object manipulation based on the head manipulation space in VR.

Xiaolong Liu, Lili Wang, Wei Ke, Sio Kei Im

Int. J. Hum. Comput. Stud., 2024

Analysis of the Two-Step Heterogeneous Transfer Learning for Laryngeal Blood Vessel Classification: Issue and Improvement.

Xinyi Fang, Chak Fong Chong, Kei Long Wong, Yapeng Wang, Wei Ke, Tiankui Zhang, Sio Kei Im

CoRR, 2024

Category-wise Fine-Tuning: Resisting Incorrect Pseudo-Labels in Multi-Label Image Classification with Partial Labels.

Chak Fong Chong, Xinyi Fang, Jielong Guo, Yapeng Wang, Wei Ke, Chan-Tong Lam, Sio Kei Im

CoRR, 2024

A Graph-Based Framework for Traffic Forecasting and Congestion Detection Using Online Images From Multiple Cameras.

Bowie Liu, Chan-Tong Lam, Benjamin K. Ng, Xiaochen Yuan, Sio Kei Im

IEEE Access, 2024

Hypernetwork Based Model-Driven Channel Neural Decoding.

Yuanhui Liang, Chan-Tong Lam, Qingle Wu, Benjamin K. Ng, Sio Kei Im

IEEE Access, 2024

Manipulating Data Lakes Intelligently With Java Annotations.

Lap-Man Hoi, Wei Ke, Sio Kei Im

IEEE Access, 2024

CABAC-Based ROI Encryption with Mask R-CNN for VVC Codec.

Sio Kei Im, Ka-Hou Chan

Proceedings of the 18th International Conference on Ubiquitous Information Management and Communication, 2024

2023

Speech emotion recognition based on Graph-LSTM neural network.

Yan Li, Yapeng Wang, Xu Yang, Sio Kei Im

EURASIP J. Audio Speech Music. Process., December, 2023

Using Four Hypothesis Probability Estimators for CABAC in Versatile Video Coding.

Ka-Hou Chan, Sio Kei Im

ACM Trans. Multim. Comput. Commun. Appl., February, 2023

Context-Adaptive-Based Image Captioning by Bi-CARU.

Sio Kei Im, Ka-Hou Chan

IEEE Access, 2023

Visualizing the Behavior of Learning European Portuguese in Different Regions of the World Through a Mobile Application.

Lap-Man Hoi, Yuqi Sun, Wei Ke, Sio Kei Im

IEEE Access, 2023

Faster Inter Prediction by NR-Frame in VVC.

Ka-Hou Chan, Sio Kei Im

Proceedings of the 2023 7th International Conference on Graphics and Signal Processing, 2023

Multi-height Visual Drone Positioning Based on LSTM and Convolutional Neural Networks.

Qibin He, Yapeng Wang, Xu Yang, Sio Kei Im

Proceedings of the 9th International Conference on Communication and Information Processing, 2023

Comparing RRT and RRT* for Path Planning for UAV in the 3D Urban Occupancy Model.

Zihan Chen, Di Kang, Yapeng Wang, Xu Yang, Sio Kei Im

Proceedings of the 9th International Conference on Communication and Information Processing, 2023

A Complex Network Model Based on Radio Map for Navigation of Cellular connected UAV.

Yanming Chai, Ka Meng Siu, Yapeng Wang, Xu Yang, Sio Kei Im

Proceedings of the 9th International Conference on Communication and Information Processing, 2023

Distributed Spatial Transformer for Object Tracking in Multi-Camera.

Sio Kei Im, Ka-Hou Chan

Proceedings of the 25th International Conference on Advanced Communication Technology, 2023

Multilayer CARU Model for Text Summarization.

Sio Kei Im, Ka-Hou Chan

Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2023

2022

Multiple classifier for concatenate-designed neural network.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Neural Comput. Appl., 2022

Double bit range estimation with eight estimators for CABAC in VVC.

Ka-Hou Chan, Sio Kei Im

IET Image Process., 2022

Using Double Bit Range Estimation for CABAC in VVC.

Ka-Hou Chan, Sio Kei Im

Proceedings of the ICIGP 2022: The 5th International Conference on Image and Graphics Processing, Beijing, China, January 7, 2022

Optimization of Language Models by Word Computing.

Ka-Hou Chan, Sio Kei Im, Yunfeng Zhang

Proceedings of the 6th International Conference on Graphics and Signal Processing, 2022

Partial Attention Modeling for Sentiment Analysis of Big Data.

Ka-Hou Chan, Sio Kei Im

Proceedings of the 7th International Conference on Frontiers of Signal Processing, 2022

Data Stream Classification by Using Stacked CARU Networks.

Ka-Hou Chan, Sio Kei Im

Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2022

An Automatic Speech Segmentation Algorithm of Portuguese based on Spectrogram Windowing.

Lap-Man Hoi, Yuqi Sun, Sio Kei Im

Proceedings of the 2022 IEEE World AI IoT Congress (AIIoT), 2022

2021

A Multiple Classifier Approach for Concatenate-Designed Neural Networks.

Ka-Hou Chan, Sio Kei Im, Wei Ke

CoRR, 2021

A General Method for Generating Discrete Orthogonal Matrices.

Ka-Hou Chan, Wei Ke, Sio Kei Im

IEEE Access, 2021

Chebyshev Ambient Occlusion.

Ka-Hou Chan, Sio Kei Im

IEEE Access, 2021

Discrete Tchebichef Transform for Versatile Video Coding.

Ka-Hou Chan, Sio Kei Im

Proceedings of the ICMR '21: International Conference on Multimedia Retrieval, 2021

A Self-Weighting Module to Improve Sentiment Analysis.

Ka-Hou Chan, Sio Kei Im, Yunfeng Zhang

Proceedings of the International Joint Conference on Neural Networks, 2021

2020

Higher precision range estimation for context-based adaptive binary arithmetic coding.

Sio Kei Im, Ka-Hou Chan

IET Image Process., 2020

VGGreNet: A Light-Weight VGGNet with Reused Convolutional Set.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Proceedings of the 13th IEEE/ACM International Conference on Utility and Cloud Computing, 2020

CARU: A Content-Adaptive Recurrent Unit for the Transition of Hidden State in NLP.

Ka-Hou Chan, Wei Ke, Sio Kei Im

Proceedings of the Neural Information Processing - 27th International Conference, 2020

Variable-Depth Convolutional Neural Network for Text Classification.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Proceedings of the Neural Information Processing - 27th International Conference, 2020

Self-Adaptive Layer: An Application of Function Approximation Theory to Enhance Convergence Efficiency in Neural Networks.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Proceedings of the 2020 International Conference on Information Networking, 2020

Enhancement Spatial Transformer Networks for Text Classification.

Ka-Hou Chan, Sio Kei Im, Vai-Kei Ian, Ka-Man Chan, Wei Ke

Proceedings of the ICGSP 2020: The 4th International Conference on Graphics and Signal Processing, 2020

2019

Students' characteristics in programming learning and the design of a mobile learning platform.

Chan-Tong Lam, Wei Ke, Sio Kei Im, Anabela Gomes, António José Mendes, Maria José Marcelino

Int. J. Mob. Learn. Organisation, 2019

Image resizing enhancement with DCT coefficients.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Proceedings of the Twelfth International Conference on Machine Vision, 2019

Probability κ-means Clustering for Neural Network Architecture.

Ka-Hou Chan, Wei Ke, Sio Kei Im

Proceedings of the 3rd International Conference on Advances in Artificial Intelligence, 2019

Robust Pedestrian Detection: Faster Deployments with Fusion of Models.

Chan-Tong Lam, José Gaspar, Wei Ke, Xu Yang, Sio Kei Im

Proceedings of the Pattern Recognition - 5th Asian Conference, 2019

2018

Particle-mesh coupling in the interaction of fluid and deformable bodies with screen space refraction rendering.

Ka-Hou Chan, Wei Ke, Sio Kei Im

Comput. Animat. Virtual Worlds, 2018

SinP[N]: A Fast Convergence Activation Function for Convolutional Neural Networks.

Ka-Hou Chan, Sio Kei Im, Wei Ke, Ngan-Lin Lei

Proceedings of the 2018 IEEE/ACM International Conference on Utility and Cloud Computing Companion, 2018

Improving the Discrete Cosine Transform by the Sign Symbol Feature in H.265/HEVC.

Sio Kei Im, Ka-Hou Chan

Proceedings of the 2nd International Conference on Graphics and Signal Processing, 2018

2017

Efficient mode decision with enhanced sampling algorithm for HEVC.

Sio Kei Im, Ka-Hou Chan

Proceedings of the 18th IEEE International Symposium on A World of Wireless, 2017

Fast Intra Prediction Algorithm with Enhanced Sampling Decision for H.265/HEVC.

Sio Kei Im, Mohammad Mahdi Ghandi, Ka-Hou Chan

Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 4: VISAPP, Porto, Portugal, February 27, 2017

Student's characteristics and programming learning - A Macanese perspective.

Anabela Gomes, António José Mendes, Maria José Marcelino, Wei Ke, Sio Kei Im, Chan-Tong Lam

Proceedings of the IEEE 6th International Conference on Teaching, 2017

Fast Grid-Based Fluid Dynamics Simulation with Conservation of Momentum and Kinetic Energy on GPU.

Ka-Hou Chan, Sio Kei Im

Proceedings of the Image and Graphics - 9th International Conference, 2017

A teacher's view about introductory programming teaching and learning - Portuguese and Macanese perspectives.

Anabela Gomes, Wei Ke, Sio Kei Im, Andrew Siu, António José Mendes, Maria José Marcelino

Proceedings of the 2017 IEEE Frontiers in Education Conference, 2017

Fast Binarisation with Chebyshev Inequality.

Ka-Hou Chan, Sio Kei Im, Wei Ke

Proceedings of the 2017 ACM Symposium on Document Engineering, 2017

2016

Improved rate-distortion optimized video coding using non-integer bit estimation and multiple Lambda search.

Sio Kei Im, Mohammad Mahdi Ghandi

Frontiers Comput. Sci., 2016

Non-integer bit estimation for enhanced inter-picture prediction in H.265/HEVC.

Sio Kei Im, Mohammad Mahdi Ghandi, Ka-Hou Chan

Proceedings of the 17th IEEE International Symposium on A World of Wireless, 2016

2015

Multi-lambda search for improved rate-distortion optimization of H.265/HEVC.

Sio Kei Im, Ka-Hou Chan

Proceedings of the 10th International Conference on Information, 2015

2012

Non-integer bit estimation for rate-distortion optimized video coding.

Sio Kei Im, Mohammad Mahdi Ghandi, C. T. Lam

Proceedings of the IEEE International Conference on Consumer Electronics, 2012

2006

An Optimized Mapping Algorithm for Classified Video Transmission with the H.264 Flexible Macroblock Ordering.

Sio Kei Im, Alan Pearmain

Proceedings of the 2006 IEEE International Conference on Multimedia and Expo, 2006