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Baigui Sun

22 accepted papers

2026

GIPO: Gaussian Importance Sampling Policy Optimization

ICML 2026poster

Post-training with reinforcement learning (RL) has recently shown strong promise for advancing multimodal agents beyond supervised imitation. However, RL remains limited by poor data efficiency, particularly in settings where interaction data are scarce and quickly become outdated. To address this c…

Cited by 0SourceScholar
2024

FaceChain-ImagineID: Freely Crafting High-Fidelity Diverse Talking Faces from Disentangled Audio

CVPR 2024poster

In this paper we abstract the process of people hearing speech extracting meaningful cues and creating various dynamically audio-consistent talking faces termed Listening and Imagining into the task of high-fidelity diverse talking faces generation from a single audio. Specifically it involves two c…

2024

FaceChain-SuDe: Building Derived Class to Inherit Category Attributes for One-shot Subject-Driven Generation

CVPR 2024poster

Recently subject-driven generation has garnered significant interest due to its ability to personalize text-to-image generation. Typical works focus on learning the new subject's private attributes. However an important fact has not been taken seriously that a subject is not an isolated new concept…

2024

InfoBatch: Lossless Training Speed Up by Unbiased Dynamic Data Pruning

ICLR 2024oral

Data pruning aims to obtain lossless performances with less overall cost. A common approach is to filter out samples that make less contribution to the training. This could lead to gradient expectation bias compared to the original data. To solve this problem, we propose InfoBatch, a novel framework…

2024

TopoFR: A Closer Look at Topology Alignment on Face Recognition

NeurIPS 2024poster

The field of face recognition (FR) has undergone significant advancements with the rise of deep learning. Recently, the success of unsupervised learning and graph neural networks has demonstrated the effectiveness of data structure information. Considering that the FR task can leverage large-scale…

2023

Boosting Novel Category Discovery Over Domains with Soft Contrastive Learning and All in One Classifier

ICCV 2023oral

Unsupervised domain adaptation (UDA) has proven to be highly effective in transferring knowledge from a label-rich source domain to a label-scarce target domain. However, the presence of additional novel categories in the target domain has led to the development of open-set domain adaptation (ODA) a…

Cited by 19PDFcodeScholar
2023

CostFormer:Cost Transformer for Cost Aggregation in Multi-view Stereo

IJCAI 2023poster

The core of Multi-view Stereo(MVS) is the matching process among reference and source pixels. Cost aggregation plays a significant role in this process, while previous methods focus on handling it via CNNs. This may inherit the natural limitation of CNNs that fail to discriminate repetitive or incor…

Cited by 18SourcePDFScholar
2023

DamoFD: Digging into Backbone Design on Face Detection

ICLR 2023poster

Face detection (FD) has achieved remarkable success over the past few years, yet, these leaps often arrive when consuming enormous computation costs. Moreover, when considering a realistic situation, i.e., building a lightweight face detector under a computation-scarce scenario, such heavy computati…

2023

Improving Training and Inference of Face Recognition Models via Random Temperature Scaling

AAAI 2023technical

Data uncertainty is commonly observed in the images for face recognition (FR). However, deep learning algorithms often make predictions with high confidence even for uncertain or irrelevant inputs. Intuitively, FR algorithms can benefit from both the estimation of uncertainty and the detection of ou…

Cited by 10SourcePDFScholar
2023

PointDC: Unsupervised Semantic Segmentation of 3D Point Clouds via Cross-Modal Distillation and Super-Voxel Clustering

ICCV 2023poster

Semantic segmentation of point clouds usually requires exhausting efforts of human annotations, hence it attracts wide attention to a challenging topic of learning from unlabeled or weaker form of annotations. In this paper, we take the first attempt for fully unsupervised semantic segmentation of p…

Cited by 10PDFcodeScholar
2023

TransFace: Calibrating Transformer Training for Face Recognition from a Data-Centric Perspective

ICCV 2023poster

Vision Transformers (ViTs) have demonstrated powerful representation ability in various visual tasks thanks to their intrinsic data-hungry nature. However, we unexpectedly find that ViTs perform vulnerably when applied to face recognition (FR) scenarios with extremely large datasets. We investigate…

Cited by 34PDFcodeScholar
2023

Understanding and Addressing the Pitfalls of Bisimulation-based Representations in Offline Reinforcement Learning

NeurIPS 2023poster

While bisimulation-based approaches hold promise for learning robust state representations for Reinforcement Learning (RL) tasks, their efficacy in offline RL tasks has not been up to par. In some instances, their performance has even significantly underperformed alternative methods. We aim to unde…

2022

An Efficient Training Approach for Very Large Scale Face Recognition

CVPR 2022poster

Face recognition has achieved significant progress in deep learning era due to the ultra-large-scale and welllabeled datasets. However, training on the outsize datasets is time-consuming and takes up a lot of hardware resource. Therefore, designing an efficient training approach is indispensable. Th…

Cited by 39PDFcodeScholar
2022

DLME: Deep Local-Flatness Manifold Embedding

ECCV 2022poster

"Manifold learning (ML) aims to seek low-dimensional embedding from high-dimensional data. The problem is challenging on real-world datasets, especially with under-sampling data, and we find that previous methods perform poorly in this case. Generally, ML methods first transform input data into a lo…

2022

MogFace: Towards a Deeper Appreciation on Face Detection

CVPR 2022poster

Benefiting from the pioneering design of generic object detectors, significant achievements have been made in the field of face detection. Typically, the architectures of the backbone, feature pyramid layer, and detection head module within the face detector all assimilate the excellent experience f…

Cited by 36PDFcodeScholar
2022

TransZero: Attribute-Guided Transformer for Zero-Shot Learning

AAAI 2022technical

Zero-shot learning (ZSL) aims to recognize novel classes by transferring semantic knowledge from seen classes to unseen ones. Semantic knowledge is learned from attribute descriptions shared between different classes, which are strong prior for localization of object attribute for representing discr…

2021

Dash: Semi-Supervised Learning with Dynamic Thresholding

ICML 2021oral

While semi-supervised learning (SSL) has received tremendous attentions in many machine learning tasks due to its successful use of unlabeled data, existing SSL algorithms use either all unlabeled examples or the unlabeled examples with a fixed high-confidence prediction during the training progress…

2021

Digging Into Uncertainty in Self-Supervised Multi-View Stereo

ICCV 2021poster

Self-supervised Multi-view stereo (MVS) with a pretext task of image reconstruction has achieved significant progress recently. However, previous methods are built upon intuitions, lacking comprehensive explanations about the effectiveness of the pretext task in self-supervised MVS. To this end, we…

Cited by 70PDFcodeScholar
2021

HSVA: Hierarchical Semantic-Visual Adaptation for Zero-Shot Learning

NeurIPS 2021poster

Zero-shot learning (ZSL) tackles the unseen class recognition problem, transferring semantic knowledge from seen classes to unseen ones. Typically, to guarantee desirable knowledge transfer, a common (latent) space is adopted for associating the visual and semantic domains in ZSL. However, existin…

2019

SoftTriple Loss: Deep Metric Learning Without Triplet Sampling

ICCV 2019poster

Distance metric learning (DML) is to learn the embeddings where examples from the same class are closer than examples from different classes. It can be cast as an optimization problem with triplet constraints. Due to the vast number of triplet constraints, a sampling strategy is essential for DML. W…

Cited by 497PDFcodeScholar