Search Results for author: Kin-Man Lam

Found 23 papers, 8 papers with code

IA2U: A Transfer Plugin with Multi-Prior for In-Air Model to Underwater

no code implementations12 Dec 2023 Jingchun Zhou, Qilin Gai, Kin-Man Lam, Xianping Fu

In underwater environments, variations in suspended particle concentration and turbidity cause severe image degradation, posing significant challenges to image enhancement (IE) and object detection (OD) tasks.

Image Enhancement object-detection +1

FactLLaMA: Optimizing Instruction-Following Language Models with External Knowledge for Automated Fact-Checking

no code implementations1 Sep 2023 Tsun-Hin Cheung, Kin-Man Lam

Then, we instruct-tune an open-sourced language model, called LLaMA, using this evidence, enabling it to predict the veracity of the input claim more accurately.

Fact Checking Instruction Following +2

AMSP-UOD: When Vortex Convolution and Stochastic Perturbation Meet Underwater Object Detection

1 code implementation23 Aug 2023 Jingchun Zhou, Zongxin He, Kin-Man Lam, Yudong Wang, Weishi Zhang, Chunle Guo, Chongyi Li

In this paper, we present a novel Amplitude-Modulated Stochastic Perturbation and Vortex Convolutional Network, AMSP-UOD, designed for underwater object detection.

FAD Object +2

Deep Learning Methods for Calibrated Photometric Stereo and Beyond

1 code implementation16 Dec 2022 Yakun Ju, Kin-Man Lam, Wuyuan Xie, Huiyu Zhou, Junyu Dong, Boxin Shi

We summarize the performance of deep learning photometric stereo models on the most widely-used benchmark data set.

Restoration of User Videos Shared on Social Media

1 code implementation18 Aug 2022 Hongming Luo, Fei Zhou, Kin-Man Lam, Guoping Qiu

This paper presents a new general video restoration framework for the restoration of user videos shared on social media platforms.

Video Restoration

Deep Progressive Feature Aggregation Network for High Dynamic Range Imaging

no code implementations4 Aug 2022 Jun Xiao, Qian Ye, Tianshan Liu, Cong Zhang, Kin-Man Lam

The primary challenges are ghosting artifacts caused by object motion between low dynamic range images and distorted content in under and overexposed regions.

Vocal Bursts Intensity Prediction

Online Video Super-Resolution with Convolutional Kernel Bypass Graft

no code implementations4 Aug 2022 Jun Xiao, Xinyang Jiang, Ningxin Zheng, Huan Yang, Yifan Yang, Yuqing Yang, Dongsheng Li, Kin-Man Lam

Then, our proposed CKBG method enhances this lightweight base model by bypassing the original network with ``kernel grafts'', which are extra convolutional kernels containing the prior knowledge of external pretrained image SR models.

Transfer Learning Video Super-Resolution

A Hybrid Egocentric Activity Anticipation Framework via Memory-Augmented Recurrent and One-Shot Representation Forecasting

no code implementations CVPR 2022 Tianshan Liu, Kin-Man Lam

Furthermore, to resolve the limitation (ii), a one-shot transferring paradigm is proposed to enrich the forecasted representations, by distilling the holistic activity semantics after the target anticipation moment, in the offline training.

Contrastive Learning

Enhancing and Learning Denoiser without Clean Reference

no code implementations9 Sep 2020 Rui Zhao, Daniel P. K. Lun, Kin-Man Lam

Recent studies on learning-based image denoising have achieved promising performance on various noise reduction tasks.

Image Denoising

Enhancement of a CNN-Based Denoiser Based on Spatial and Spectral Analysis

no code implementations28 Jun 2020 Rui Zhao, Kin-Man Lam, Daniel P. K. Lun

Since most of the content or energy of natural images resides in the low-frequency spectrum, their transformed coefficients in the frequency domain are highly imbalanced.

Image Denoising

Pyramid Dilated Deeper ConvLSTM for Video Salient Object Detection

1 code implementation ECCV 2018 Hongmei Song, Wenguan Wang, Sanyuan Zhao, Jianbing Shen, Kin-Man Lam

This paper proposes a fast video salient object detection model, based on a novel recurrent network architecture, named Pyramid Dilated Bidirectional ConvLSTM (PDB-ConvLSTM).

 Ranked #1 on Video Salient Object Detection on UVSD (using extra training data)

Object object-detection +5

Soft Locality Preserving Map (SLPM) for Facial Expression Recognition

no code implementations11 Jan 2018 Cigdem Turan, Kin-Man Lam, Xiangjian He

Furthermore, the proposed feature-generation method can improve the generalizability of the underlying manifolds for facial expression recognition.

Dimensionality Reduction Facial Expression Recognition +1

Image Super-resolution via Feature-augmented Random Forest

1 code implementation14 Dec 2017 Hailiang Li, Kin-Man Lam, Miaohui Wang

In this paper, we present a novel feature-augmented random forest (FARF) for image super-resolution, where the conventional gradient-based features are augmented with gradient magnitudes and different feature recipes are formulated on different stages in an RF.

Content-Based Image Retrieval Dictionary Learning +3

Joint Maximum Purity Forest with Application to Image Super-Resolution

1 code implementation30 Aug 2017 Hailiang Li, Kin-Man Lam, Dong Li

In the JMPF scheme, the original feature space is transformed into a compactly pre-clustered feature space, via a trained rotation matrix.

Clustering General Classification +3

Cascade one-vs-rest detection network for fine-grained recognition without part annotations

no code implementations28 Feb 2017 Long Chen, Junyu Dong, Shengke Wang, Kin-Man Lam, Muwei Jian, Hua Zhang, Xiaochun Cao

To bridge this gap, we introduce a cascaded structure to eliminate background and exploit a one-vs-rest loss to capture more minute variances among different subordinate categories.

Object

Efficient Likelihood Bayesian Constrained Local Model

no code implementations30 Nov 2016 Hailiang Li, Kin-Man Lam, Man-Yau Chiu, Kangheng Wu, Zhibin Lei

The constrained local model (CLM) proposes a paradigm that the locations of a set of local landmark detectors are constrained to lie in a subspace, spanned by a shape point distribution model (PDM).

Bayesian Inference Face Alignment

Person Re-Identification by Unsupervised Video Matching

no code implementations25 Nov 2016 Xiaolong Ma, Xiatian Zhu, Shaogang Gong, Xudong Xie, Jianming Hu, Kin-Man Lam, Yisheng Zhong

Crucially, this model does not require pairwise labelled training data (i. e. unsupervised) therefore readily scalable to large scale camera networks of arbitrary camera pairs without the need for exhaustive data annotation for every camera pair.

Benchmarking Dynamic Time Warping +2

Cascaded Face Alignment via Intimacy Definition Feature

no code implementations21 Nov 2016 Hailiang Li, Kin-Man Lam, Edmond M. Y. Chiu, Kangheng Wu, Zhibin Lei

In this paper, we present a random-forest based fast cascaded regression model for face alignment, via a novel local feature.

Face Alignment regression

A Local Active Contour Model for Image Segmentation with Intensity Inhomogeneity

no code implementations30 May 2013 Kaihua Zhang, Lei Zhang, Kin-Man Lam, David Zhang

The means of the Gaussian distributions in the transformed domain can be adaptively estimated by multiplying a bias field with the original signal within the window.

Image Segmentation Semantic Segmentation

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