User profiles for Lu Leng

Lu Leng

Yonsei University / Nanchang Hangkong University / West Virginia University
Verified email at nchu.edu.cn
Cited by 3588

Design of an anonymity-preserving three-factor authenticated key exchange protocol for wireless sensor networks

R Amin, SKH Islam, GP Biswas, MK Khan, L Leng… - Computer Networks, 2016 - Elsevier
Recently, Farash et al. pointed out some security weaknesses of Turkanović et al.’s protocol,
which they extended to enhance its security. However, we found some problems with …

Dual-source discrimination power analysis for multi-instance contactless palmprint recognition

L Leng, M Li, C Kim, X Bi - Multimedia tools and applications, 2017 - Springer
Due to the benefits of palmprint recognition and the advantages of biometric fusion systems,
it is necessary to study multi-source palmprint fusion systems. Unfortunately, the research …

Mask-refined R-CNN: A network for refining object details in instance segmentation

Y Zhang, J Chu, L Leng, J Miao - Sensors, 2020 - mdpi.com
With the rapid development of flexible vision sensors and visual sensor networks, computer
vision tasks, such as object detection and tracking, are entering a new phase. Accordingly, …

Palmhash code vs. palmphasor code

L Leng, J Zhang - Neurocomputing, 2013 - Elsevier
The existing palmprint protection schemes without verification degrading do not strictly meet
non-invertible requirement; while non-invertible palmprint protection schemes do not meet …

Object detection based on multi-layer convolution feature fusion and online hard example mining

J Chu, Z Guo, L Leng - IEEE access, 2018 - ieeexplore.ieee.org
Object detection is a significant issue in visual surveillance. Faster region-based convolutional
neural network (R-CNN) is a typical object detection algorithm of deep learning; however, …

[PDF][PDF] Dynamic weighted discrimination power analysis: a novel approach for face and palmprint recognition in DCT domain

L Leng, J Zhang, MK Khan, X Chen, K Alghathbar - Int J Phys Sci, 2010 - researchgate.net
Although Discrete Cosine Transform (DCT) is widely employed to extract proper features for
biometric recognition, the problem on how to select proper DCT coefficients to obtain the …

Feature disentanglement in one-stage object detection

W Lin, J Chu, L Leng, J Miao, L Wang - Pattern Recognition, 2024 - Elsevier
In this paper, an enhanced disentanglement module is proposed to address feature
misalignment caused by inherently irreconcilable conflicts between classification and regression …

Dynamic weighted discrimination power analysis in DCT domain for face and palmprint recognition

L Leng, J Zhang, J Xu, MK Khan… - … on information and …, 2010 - ieeexplore.ieee.org
Discrimination power analysis (DPA) is a statistical analysis combining discrimination concept
with discrete cosine transform coefficients (DCTCs) properties. Unfortunately there is not a …

Alignment-free row-co-occurrence cancelable palmprint fuzzy vault

L Leng, ABJ Teoh - Pattern Recognition, 2015 - Elsevier
Texture coding approach of palmprint biometric enjoys several merits; however, palmprint
texture code suffers from alignment problem during matching, which hinders it from being …

CO3Net: Coordinate-Aware Contrastive Competitive Neural Network for Palmprint Recognition

…, W Xia, Y Qiao, Z Lu, B Zhang, L Leng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Palmprint recognition achieves high discrimination for identity verification. Compared with
handcrafted local texture descriptors, convolutional neural networks (CNNs) can …