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Lei Shang

11 accepted papers

2025

Language Model Based Text-to-Audio Generation: Anti-Causally Aligned Collaborative Residual Transformers

EMNLP 2025

While language models (LMs) paired with residual vector quantization (RVQ) tokenizers have shown promise in text-to-audio (T2A) generation, they still lag behind diffusion-based models by a non-trivial margin. We identify a critical dilemma underpinning this gap: incorporating more RVQ layers improv

2025

Synchronized Video-to-Audio Generation via Mel Quantization-Continuum Decomposition

CVPR 2025poster

Video-to-audio generation is essential for synthesizing realistic audio tracks that synchronize effectively with silent videos.Following the perspective of extracting essential signals from videos that can precisely control the mature text-to-audio generative diffusion models, this paper presents ho…

Cited by 0SourcePDFScholar
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…

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

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
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…

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…

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