Prof. Kwok Leung CHAN, 陳國良

Research output

Research output per year 1992 1995 1996 2023 2024

• 33 RGC 21 - Publication in refereed journal
• 31 RGC 32 - Refereed conference paper (with host publication)
• 9 RGC 22 - Publication in policy or professional journal
• 1 RGC 32 - Refereed conference paper (without host publication)

Research output per year

Research output per year

Search results

• 2024

  A learnable motion preserving pooling for action recognition

  Li, T., Chan, K. L. & Tjahjadi, T., Nov 2024, In: Image and Vision Computing. 151, 105278.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Computation Cost 100%
  • Action Recognition 100%
  • Motion Feature 66%
  • Deep Neural Network 66%
  • Spatial Dimension 66%

• Variable Temporal Length Training for Action Recognition CNNs

  Li, T.-K., Chan, K.-L. & Tjahjadi, T., Jun 2024, In: Sensors. 24, 11, 3403.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Variable Length 100%
  • Temporal Variable 100%
  • Action Recognition 100%
  • Convolutional Neural Network 100%
  • 3D Convolutional Neural Networks 100%
  12 Downloads (CityUHK Scholars)
• 2023

  A combination of background modeler and encoder-decoder CNN for background/foreground segregation in image sequence

  Chan, K.-L., Wang, J. & Yu, H., Jun 2023, In: Signal, Image and Video Processing. 17, 4, p. 1297–1304

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Image Sequence 100%
  • Modelers 100%
  • Convolutional Neural Network 100%
  • Background Model 75%
  • Background Subtraction 50%
  1 Citation (Scopus)

• Detection of targets in road scene images enhanced using conditional GAN-based dehazing model

  Chow, T.-Y., Lee, K.-H. & Chan, K.-L., May 2023, In: Applied Sciences-Basel. 13, 9, 5326.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Enhanced Image 100%
  • Image Dehazing 100%
  • Road 100%
  • Object Detection 66%
  • Object Detector 66%
  7 Citations (Scopus)

  51 Downloads (CityUHK Scholars)

• Enhanced three-dimensional model reconstruction based on local ternary pattern-guided fusion of multi-exposure images

  Chan, K.-L., Li, L., Leung, A.W.-T. & Chan, H.-Y., 17 Apr 2023, In: IET Image Processing. 17, 5, p. 1546-1563

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Three-Dimensional Models 100%
  • Local Ternary Pattern 100%
  • Dimensional Model 100%
  • Image Enhancement 100%
  • Image Processing 66%
  54 Downloads (CityUHK Scholars)

• Facial Micro-Expression Recognition Using Double-Stream 3D Convolutional Neural Network with Domain Adaptation

  Li, Z., Zhang, Y., Xing, H. & Chan, K.-L., Apr 2023, In: Sensors. 23, 7, 3577.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Domain Adaptation 100%
  • Expression Recognition 100%
  • 3D Convolutional Neural Networks 100%
  • Neural Network Model 33%
  • Training Sample 33%
  7 Citations (Scopus)

  70 Downloads (CityUHK Scholars)

• Gender Recognition Based on Gradual and Ensemble Learning from Multi-View Gait Energy Images and Poses

  Leung, T.-M. & Chan, K.-L., Nov 2023, In: Sensors (Basel, Switzerland). 23, 21, 8961.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Ensemble Learning 100%
  • Gait Energy Image 100%
  • Gender Recognition 100%
  • Recognition Accuracy 20%
  • Extracted Feature 20%
  33 Downloads (CityUHK Scholars)

• Monocular 3D Object Detection with Motion Feature Distillation

  HU, H., LI, M., ZHU, M., GAO, W., LIU, P. & CHAN, K.-L., 2023, In: IEEE Access. 11, p. 82933-82945

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Dimensional Object 100%
  • Object Detection 100%
  • Motion Feature 100%
  • Two Dimensional 100%
  • Limitations 50%
  2 Citations (Scopus)

  75 Downloads (CityUHK Scholars)

• Multi-Scale correlation module for video-based facial expression recognition in the wild

  Li, T., Chan, K.-L. & Tjahjadi, T., Oct 2023, In: Pattern Recognition. 142, 109691.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Facial Expression 100%
  • Motion Feature 100%
  • Expression Recognition 100%
  • Convolutional Neural Network 50%
  • Recognition System 25%
  6 Citations (Scopus)

• Tree structure convolutional neural networks for gait-based gender and age classification

  Lau, L. K. & Chan, K., Jan 2023, In: Multimedia Tools and Applications. 82, 2, p. 2145–2164 20 p.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Convolutional Neural Network 100%
  • Neural Network 100%
  • Classification Accuracy 33%
  • Gait Analysis 33%
  • Gait Energy Image 33%
  6 Citations (Scopus)
• 2022

  Deep Learning-Based Monocular 3D Object Detection with Refinement of Depth Information

  Hu, H., Zhu, M., Li, M. & Chan, K.-L., Apr 2022, In: Sensors. 22, 7, 2576.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Point Cloud 100%
  • 3D Object Detection 100%
  • Deep Learning Method 100%
  • Depth Information 100%
  • State-of-the-Art Method 66%
  9 Citations (Scopus)

  116 Downloads (CityUHK Scholars)
• 2021

  A foveated vision framework for visual change detection using motion and textural features

  Chan, K.-L., Jul 2021, In: Signal, Image and Video Processing. 15, 5, p. 987–994 8 p.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Human Visual System 100%
  • Event Detection 100%
  • Motion Feature 100%
  • background modeling 100%
  • Video Surveillance 100%

• Saliency detection with moving camera via background model completion

  Zhang, Y.-P. & Chan, K.-L., Dec 2021, In: Sensors. 21, 24, 8374.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Background Model 100%
  • Saliency Detection 100%
  • Modelers 60%
  • Background Subtraction 60%
  • Background Image 40%
  2 Citations (Scopus)

  63 Downloads (CityUHK Scholars)
• 2018

  Saliency detection in video sequences using perceivable change encoded local pattern

  Chan, K. L., Jul 2018, In: Signal, Image and Video Processing. 12, 5, p. 975–982

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Video Sequences 100%
  • Background Model 100%
  • Saliency Detection 100%
  • Background Subtraction 66%
  • Feedback Mechanism 33%
  5 Citations (Scopus)

• Segmentation of moving objects in image sequence based on perceptual similarity of local texture and photometric features

  Chan, K. L., 2018, In: Eurasip Journal on Image and Video Processing. 2018, 62.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Image Sequence 100%
  • Background Model 100%
  • Background Subtraction 50%
  • image feature 25%
  • background modeling 25%
  6 Citations (Scopus)

  89 Downloads (CityUHK Scholars)
• 2015

  Detection of foreground in dynamic scene via two-step background subtraction

  Chan, K. L., Aug 2015, In: Machine Vision and Applications. 26, 6, p. 723-740

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Background Subtraction 100%
  • Image Sequence 100%
  • Background Model 33%
  • Similarities 33%
  • Computervision 33%
  6 Citations (Scopus)
• 2013

  Detection of swimmer using dense optical flow motion map and intensity information

  Chan, K. L., Jan 2013, In: Machine Vision and Applications. 24, 1, p. 75-101

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Video Sequences 100%
  • Neural Network 33%
  • Image Sequence 33%
  • Detection Method 33%
  • Gaussian Model 33%
  12 Citations (Scopus)
• 2010

  3D object model reconstruction from image sequence based on photometric consistency in volume space

  Wong, S. S. & Chan, K. L., 2010, In: Pattern Analysis and Applications. 13, 4, p. 437-450

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Image Sequence 100%
  • Texture Mapping 33%
  • Polygonal Model 33%
  • Superior Performance 33%
  • Camera Calibration 33%
  9 Citations (Scopus)
• 2009

  A probabilistic relaxation labeling framework for reducing the noise effect in geometric biclustering of gene expression data

  Zhao, H., Chan, K. L., Cheng, L.-M. & Yan, H., Nov 2009, In: Pattern Recognition. 42, 11, p. 2578-2588

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Hough Transforms 100%
  • Hyperplane 100%
  • Gene Expression Data 100%
  • Biclustering 100%
  • Microarrays 100%
  18 Citations (Scopus)

• Reconstruction of photorealistic 3D model of ceramic artefacts for interactive virtual exhibition

  Chow, S.-K. & Chan, K.-L., Apr 2009, In: Journal of Cultural Heritage. 10, 2, p. 161-173

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Three-Dimensional Models 100%
  • Specular Reflection 100%
  • Dimensional Model 100%
  • Image Sequence 80%
  • Cultural Artifact 40%
  30 Citations (Scopus)

• Removal of specular reflection component using multi-view images and 3D object model

  Chow, S.-K. & Chan, K.-L., 2009, In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 5414 LNCS, p. 999-1009

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  • Specular Reflection 100%
  • Image Sequence 100%
  • Camera View 33%
  • Model Geometry 33%
  • 3D Mesh Model 33%
  2 Citations (Scopus)
• 2008

  Multivariate hierarchical Bayesian model for differential gene expression analysis in microarray experiments

  Zhao, H., Chan, K.-L., Cheng, L.-M. & Yan, H., 2008, In: BMC Bioinformatics. 9, SUPPL. 1, S9.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  Open Access

  File

  • Microarray Data 100%
  • Bayesian Model 100%
  • Hierarchical Bayesian Model 100%
  • Microarrays 100%
  • Gene Expression 100%
  7 Citations (Scopus)

  37 Downloads (CityUHK Scholars)

• VIDEO-BASED GAIT ANALYSIS by SILHOUETTE CHAMFER DISTANCE and KALMAN FILTER

  Chan, K. L., Jul 2008, In: International Journal of Image and Graphics. 8, 3, p. 383-418

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Kalman Filter 100%
  • Analysis System 100%
  • Background Model 100%
  • Gait Analysis 100%
  • Angle Joint 100%
  1 Citation (Scopus)
• 2006

  FAST and REALISTIC RENDERING of DEFORMABLE VIRTUAL CHARACTERS USING IMPOSTOR and STENCIL BUFFER

  Chow, S. K. & Chan, K. L., 1 Oct 2006, In: International Journal of Image and Graphics. 6, 4, p. 599-624

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Depth Information 100%
  • Computation Load 100%
  • Virtual Humans 100%
  2 Citations (Scopus)

• Volumetric model reconstruction from unrestricted camera views based on the photo-consistency of 3D voxel mask

  Chiang, K. K. & Chan, K. L., Sept 2006, In: Machine Vision and Applications. 17, 4, p. 229-250

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Three-Dimensional Models 100%
  • Camera View 100%
  • Dimensional Model 100%
  • Camera Calibration 100%
  • Surface Model 50%
  4 Citations (Scopus)
• 2004

  Fractal dimension estimation and noise filtering using Hough transform

  Yuen, S. Y., Fong, C. K., Chan, K. L. & Leung, Y. W., May 2004, In: Signal Processing. 84, 5, p. 907-917

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Hough Transforms 100%
  • Fractal Dimension 100%
  • Noise Filtering 100%
  • Fractal 60%
  • Periodic Signal 40%
  14 Citations (Scopus)
• 2003

  Comparison of two quantitative methods of determining rater bias

  Woods, R. C. & Chan, K. L., Oct 2003, In: Journal of Engineering Education. 92, 4, p. 295-306

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Quantitative Methods 100%
  • Rater Bias 100%
  • comparative evaluations 100%
  • data 50%
  4 Citations (Scopus)
• 2001

  Optimisation of multi-level block truncation coding

  Chan, K. W. & Chan, K. L., Jan 2001, In: Signal Processing: Image Communication. 16, 5, p. 445-459

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Truncation 100%
  • Block Level 100%
  • Bit Rate 37%
  • Dynamic Range 25%
  • Image Coding 12%
  11 Citations (Scopus)

• Statistical analysis of final year project marks in the computer engineering undergraduate program

  Chan, K. L., Aug 2001, In: IEEE Transactions on Education. 44, 3, p. 258-261

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Statistical Analysis 100%
  • Final Year 100%
  • Assessor 100%
  • Computer Engineering 100%
  • Analysis of Variance 50%
  19 Citations (Scopus)
• 1998

  Subband VPIC with classified joint vector quantization

  Chan, K. W. & Chan, K. L., Aug 1998, In: Signal Processing: Image Communication. 13, 2, p. 145-153

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Joints (Structural Components) 100%
  • Vector Quantization 100%
  • High Resolution 50%
  • Image Coding 50%
  • Quantization Level 50%
  5 Citations (Scopus)
• 1995

  Quantitative Characterization of Electron Micrograph Image Using Fractal Feature

  Chan, K. L., Oct 1995, In: IEEE Transactions on Biomedical Engineering. 42, 10, p. 1033-1037

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Micrograph 100%
  • Fractal Dimension 100%
  • Heterochromatin 100%
  • Euchromatin 100%
  • Grey Level 57%
  51 Citations (Scopus)
• 1994

  Optimized adaptive AMBTC

  Chan, K. W. & Chan, K. L., 1994, In: Proceedings - International Conference on Image Processing, ICIP. 2, p. 371-374

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Truncation 100%
  • Dynamic Range 66%
  1 Citation (Scopus)

• Variable block and multi-level extended visual pattern image coding

  Chan, K. W. & Chan, K. L., 1994, In: Proceedings - International Conference on Image Processing, ICIP. 2, p. 375-379 413595.

  Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

  • Image Coding 100%
  • Truncation 50%
  • Fractal Geometry 50%
  1 Citation (Scopus)