Demo Data from VLDB 2026 / reviewers in the wild / expert
Lai Xing Ng
dblp:258/1921
· DBLP profile ↗
8ranked-venue papers
1as first author
8since 2021 · last 2026
0000-0002-5457-6289ORCID · verified
Domains — the database's venue-derived domains; a paper can count in several
Artificial intelligence and machine learning · 8 · 1 first-author · 8 since 2021Graphics, computer vision, multimedia, augmented reality and games · 4 · 1 first-author · 4 since 2021
Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.
| Artificial intelligence
6 papers |
3D vision · 24% Trustworthy machine learning · 19% Transfer learning and domain adaptation · 14% | |
| Databases, data mining, and information retrieval
2 papers |
Machine learning and data management · 100% | |
| Human-computer interaction and pervasive computing
1 paper |
Ubiquitous computing and smart environments · 77% Interaction techniques and input · 23% | |
| Computer graphics and multimedia
1 paper |
Multimedia analysis and retrieval · 100% |
Topics — the 20 heaviest of 23, each with the papers that count most for it
| Topic | Weight | Papers | Last | Evidence papers |
|---|---|---|---|---|
Computer vision › Image recognition and object detection › industrial visual inspection
defect detection |
1.0 | 1 | 2026 | Automated Multi-Camera Inspection System for Aircraft · AAAI 2026 |
Computer vision › 3D vision
visual localization |
1.0 | 1 | 2026 | Automated Multi-Camera Inspection System for Aircraft · AAAI 2026 |
Multimedia analysis and retrieval
cross-modal retrieval |
1.0 | 1 | 2026 | MemoVision: A Digital Catalog for Everyday Interactions · AAAI 2026 |
Ubiquitous computing and smart environments
context-aware computing |
1.0 | 1 | 2026 | MemoVision: A Digital Catalog for Everyday Interactions · AAAI 2026 |
Machine learning › Trustworthy machine learning › robustness
adversarial robustness |
0.9 | 1 | 2025 | Adversarial Robustness in Two-Stage Learning-to-Defer: Algorithms and Guarantees · ICML 2025 |
Computer vision › 3D vision › event-based vision
event camera perception |
0.9 | 1 | 2025 | EventFly: Event Camera Perception from Ground to the Sky · CVPR 2025 |
Machine learning › Learning paradigms
multi-task learning |
0.9 | 1 | 2025 | A Two-Stage Learning-to-Defer Approach for Multi-Task Learning · ICML 2025 |
Machine learning › Representation and self-supervised learning › representation learning › joint representation learning › multi-task representation learning
shared representation learning |
0.9 | 1 | 2025 | A Two-Stage Learning-to-Defer Approach for Multi-Task Learning · ICML 2025 |
Machine learning › Transfer learning and domain adaptation › domain adaptation
unsupervised domain adaptation |
0.9 | 1 | 2025 | EventFly: Event Camera Perception from Ground to the Sky · CVPR 2025 |
Machine learning › Transfer learning and domain adaptation
cross-modal transfer |
0.8 | 1 | 2024 | OpenESS: Event-Based Semantic Scene Understanding with Open Vocabularies · CVPR 2024 |
Computer vision › Segmentation and scene understanding › semantic segmentation › non-RGB semantic segmentation
event-based semantic segmentation |
0.8 | 1 | 2024 | OpenESS: Event-Based Semantic Scene Understanding with Open Vocabularies · CVPR 2024 |
Computer vision › Segmentation and scene understanding
semantic segmentation |
0.8 | 1 | 2024 | OpenESS: Event-Based Semantic Scene Understanding with Open Vocabularies · CVPR 2024 |
Machine learning › Trustworthy machine learning › robustness evaluation
corruption robustness benchmark |
0.7 | 1 | 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under Corruptions · NeurIPS 2023 |
Computer vision › 3D vision
depth estimation |
0.7 | 1 | 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under Corruptions · NeurIPS 2023 |
Machine learning › Trustworthy machine learning
robustness |
0.7 | 1 | 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under Corruptions · NeurIPS 2023 |
Interaction techniques and input › mobile interaction
smart glasses interaction |
0.3 | 1 | 2026 | MemoVision: A Digital Catalog for Everyday Interactions · AAAI 2026 |
Computer vision › Video understanding and tracking
event-based perception |
0.3 | 1 | 2025 | EventFly: Event Camera Perception from Ground to the Sky · CVPR 2025 |
Computer vision › Vision and language
vision-language model |
0.2 | 1 | 2024 | OpenESS: Event-Based Semantic Scene Understanding with Open Vocabularies · CVPR 2024 |
Computer vision › 3D vision › depth estimation
monocular depth estimation |
0.2 | 1 | 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under Corruptions · NeurIPS 2023 |
Robotics › Autonomous driving
perception |
0.2 | 1 | 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under Corruptions · NeurIPS 2023 |
Methods — techniques the papers use, named apart from their topics
bayes consistency · 3.5open-vocabulary semantic segmentation · 2.0multimodal large language model · 2.03d scanning · 2.0surrogate loss · 1.7minimizability gap analysis · 1.7convex surrogate loss · 1.7object detection models · 1.0multimodal model · 1.0hybrid AI · 1.0event voxel grid · 0.9dual discriminator · 0.9data mixing · 0.9
| Year | Publication | Venue | Position |
|---|---|---|---|
| 2026 | MemoVision: A Digital Catalog for Everyday InteractionsabstractWe present MemoVision, a digital catalog system that captures semantic, spatial, temporal and interaction information as users move around physical environments using client devices such as smart glasses. The system utilizes open-vocabulary semantic segmentation and 3D scans to store objects-of-interest with comprehensive semantic, spatial, temporal and interaction labels. Our demonstration shows multimodal information query and retrieval capabilities, supporting specific queries about object locations, temporal events and user interactions including eye gaze and hand poses, enabling more contextualized responses compared to current multimodal large language models. Lai Xing Ng, Keith T. W. Tang, Jacky Jie Wei Tan |
AAAI | 1 |
| 2026 | Automated Multi-Camera Inspection System for AircraftabstractIn this paper, we present the development of an automated visual inspection system designed to detect defects on the upper surface of an aircraft airframe. Specifically, the system employs a multi-camera PTZ (Pan-Tilt-Zoom) set-up to capture and process images from designated regions. Custom developed software manages path planning and camera localization, while a hybrid-AI framework is integrated to identify various defect types, including missing and damaged components. The demonstration highlights the system’s detection capabilities and prototype functionalities using a large aircraft model, supported by a user interface to monitor progress and visualize results. To help validate this work, performance evaluations were conducted using selected multimodal and object detection models. Mark D. Rice, Kelvin Wei Lim, Qing Yu Hoo, Liyuan Li, Lee Jue Ying, Jacky Jie Wei Tan, Lai Xing Ng, Jamie Ng |
AAAI | 8 |
| 2025 | EventFly: Event Camera Perception from Ground to the SkyabstractCross-platform adaptation in event-based dense perception is crucial for deploying event cameras across diverse settings, such as vehicles, drones, and quadrupeds, each with unique motion dynamics, viewpoints, and class distributions. In this work, we introduce EventFly, a framework for robust cross-platform adaptation in event camera perception. Our approach comprises three key components: i) Event Activation Prior (EAP), which identifies high-activation regions in the target domain to minimize prediction entropy, fostering confident, domain-adaptive predictions; ii) EventBlend, a data-mixing strategy that integrates source and target event voxel grids based on EAP-driven similarity and density maps, enhancing feature alignment; and iii) EventMatch, a dual-discriminator technique that aligns features from source, target, and blended domains for better domain-invariant learning. To holistically assess cross-platform adaptation abilities, we introduce EXPo, a large-scale benchmark with diverse samples across vehicle, drone, and quadruped platforms. Extensive experiments validate our effectiveness, demonstrating substantial gains over popular adaptation methods. We hope this work can pave the way for more adaptive, high-performing event perception across diverse and complex environments. Lingdong Kong, Dongyue Lu, Xiang Xu 0009, Lai Xing Ng, Wei Tsang Ooi, Benoit Cottereau |
CVPR | 4 |
| 2025 | Adversarial Robustness in Two-Stage Learning-to-Defer: Algorithms and GuaranteesabstractTwo-stage Learning-to-Defer (L2D) enables optimal task delegation by assigning each input to either a fixed main model or one of several offline experts, supporting reliable decision-making in complex, multi-agent environments. However, existing L2D frameworks assume clean inputs and are vulnerable to adversarial perturbations that can manipulate query allocation—causing costly misrouting or expert overload. We present the first comprehensive study of adversarial robustness in two-stage L2D systems. We introduce two novel attack strategies—untargeted and targeted—which respectively disrupt optimal allocations or force queries to specific agents. To defend against such threats, we propose SARD, a convex learning algorithm built on a family of surrogate losses that are provably Bayes-consistent and $(\mathcal{R}, \mathcal{G})$-consistent. These guarantees hold across classification, regression, and multi-task settings. Empirical results demonstrate that SARD significantly improves robustness under adversarial attacks while maintaining strong clean performance, marking a critical step toward secure and trustworthy L2D deployment. Yannis Montreuil, Axel Carlier, Lai Xing Ng, Wei Tsang Ooi |
ICML | 3 |
| 2025 | A Two-Stage Learning-to-Defer Approach for Multi-Task LearningabstractThe Two-Stage Learning-to-Defer (L2D) framework has been extensively studied for classification and, more recently, regression tasks. However, many real-world applications require solving both tasks jointly in a multi-task setting. We introduce a novel Two-Stage L2D framework for multi-task learning that integrates classification and regression through a unified deferral mechanism. Our method leverages a two-stage surrogate loss family, which we prove to be both Bayes-consistent and $(\mathcal{G}, \mathcal{R})$-consistent, ensuring convergence to the Bayes-optimal rejector. We derive explicit consistency bounds tied to the cross-entropy surrogate and the $L_1$-norm of agent-specific costs, and extend minimizability gap analysis to the multi-expert two-stage regime. We also make explicit how shared representation learning—commonly used in multi-task models—affects these consistency guarantees. Experiments on object detection and electronic health record analysis demonstrate the effectiveness of our approach and highlight the limitations of existing L2D methods in multi-task scenarios. Yannis Montreuil, Yeo Shu Heng, Axel Carlier, Lai Xing Ng, Wei Tsang Ooi |
ICML | 4 |
| 2025 | Talk2Event: Grounded Understanding of Dynamic Scenes from Event CamerasabstractEvent cameras offer microsecond-level latency and robustness to motion blur, making them ideal for understanding dynamic environments. Yet, connecting these asynchronous streams to human language remains an open challenge. We introduce Talk2Event, the first large-scale benchmark for language-driven object grounding in event-based perception. Built from real-world driving data, Talk2Event provides over 30,000 validated referring expressions, each enriched with four grounding attributes -- appearance, status, relation to viewer, and relation to other objects -- bridging spatial, temporal, and relational reasoning. To fully exploit these cues, we propose EventRefer, an attribute-aware grounding framework that dynamically fuses multi-attribute representations through a Mixture of Event-Attribute Experts (MoEE). Our method adapts to different modalities and scene dynamics, achieving consistent gains over state-of-the-art baselines in event-only, frame-only, and event-frame fusion settings. We hope our dataset and approach will establish a foundation for advancing multimodal, temporally-aware, and language-driven perception in real-world robotics and autonomy. Lingdong Kong, Dongyue Lu, Alan Liang, Yuhao Dong, Tianshuai Hu, Lai Xing Ng, Wei Tsang Ooi, Benoit Cottereau |
NeurIPS | 7 |
| 2024 | OpenESS: Event-Based Semantic Scene Understanding with Open VocabulariesabstractEvent-based semantic segmentation (ESS) is a fundamental yet challenging task for event camera sensing. The difficulties in interpreting and annotating event data limit its scalability. While domain adaptation from images to event data can help to mitigate this issue, there exist data representational differences that require additional effort to resolve. In this work, for the first time, we synergize information from image, text, and event-data domains and introduce OpenESS to enable scalable ESS in an open-world, annotation-efficient manner. We achieve this goal by transferring the semantically rich CLIP knowledge from image-text pairs to event streams. To pursue better cross-modality adaptation, we propose a frame-to-event contrastive distillation and a text-to-event semantic consistency regularization. Experimental results on popular ESS benchmarks showed our approach outperforms existing methods. Notably, we achieve 53.93% and 43.31% mIoU on DDD17 and DSEC-Semantic without using either event or frame labels. Lingdong Kong, Youquan Liu, Lai Xing Ng, Benoit Cottereau, Wei Tsang Ooi |
CVPR | 3 |
| 2023 | RoboDepth: Robust Out-of-Distribution Depth Estimation under CorruptionsabstractDepth estimation from monocular images is pivotal for real-world visual perception systems. While current learning-based depth estimation models train and test on meticulously curated data, they often overlook out-of-distribution (OoD) situations. Yet, in practical settings -- especially safety-critical ones like autonomous driving -- common corruptions can arise. Addressing this oversight, we introduce a comprehensive robustness test suite, RoboDepth, encompassing 18 corruptions spanning three categories: i) weather and lighting conditions; ii) sensor failures and movement; and iii) data processing anomalies. We subsequently benchmark 42 depth estimation models across indoor and outdoor scenes to assess their resilience to these corruptions. Our findings underscore that, in the absence of a dedicated robustness evaluation framework, many leading depth estimation models may be susceptible to typical corruptions. We delve into design considerations for crafting more robust depth estimation models, touching upon pre-training, augmentation, modality, model capacity, and learning paradigms. We anticipate our benchmark will establish a foundational platform for advancing robust OoD depth estimation. Lingdong Kong, Shaoyuan Xie, Hanjiang Hu, Lai Xing Ng, Benoit Cottereau, Wei Tsang Ooi |
NeurIPS | 4 |