activity
20212026
most citedOn the Eigenvalues of Global Covariance Pooling for Fine-grained Visual Recognition

40 citations · 69 across the 26 of their papers we have counts for

collaborators

28 papers

cs.DS2026

Polynomial Time Algorithms for the Kadison-Singer Problem

Zhao Song, Song Yue

Marcus, Spielman, and Srivastava [MSS15] established the existence of Kadison--Singer partitions. We provide polynomial-time algorithms for the Kadison--Singer problem. For Hermiti…

math.CO2026

An Improvement to the Upper Bound for Marton's Covering Conjecture

Zhao Song, Song Yue

Marton's covering conjecture studies finite sets in high-dimensional binary spaces whose pairwise sums create relatively few new elements. It predicts that every such set can be de…

cs.LG2026

LieBN: Batch Normalization over Lie Groups

Ziheng Chen, Yue Song, Rui Wang +2

Manifold-valued measurements are prevalent in various machine learning tasks. Recent advances have extended Deep Neural Networks (DNNs) to operate on manifolds. These extensions ha…

cs.LG2026

The Hyperspherical Geometry of CLIP Latent Space: A Semantic Mixture Model

Zijie Yu, Gaowen Liu, Ramana Rao Kompella +2

Contrastive Language-Image Pretraining (CLIP) representations form a semantic embedding space governed by cosine similarity, reflecting an intrinsic hyperspherical geometry. Howeve…

cs.LG2026

A Short Note on Batch-efficient Divide-and-Conquer Algorithm for EigenDecomposition

Yue Song

EigenDecomposition (ED) is at the heart of many computer vision algorithms and applications. One crucial bottleneck limiting its usage is the expensive computation cost, particular…

cs.CV2026

A Unified Masked Jigsaw Puzzle Framework for Vision and Language Models

Weixin Ye, Wei Wang, Yahui Liu +5

In federated learning, Transformer, as a popular architecture, faces critical challenges in defending against gradient attacks and improving model performance in both Computer Visi…

cs.LG2025

The 1st International Workshop on Disentangled Representation Learning for Controllable Generation (DRL4Real): Methods and Results

Qiuyu Chen, Xin Jin, Yue Song +45

This paper reviews the 1st International Workshop on Disentangled Representation Learning for Controllable Generation (DRL4Real), held in conjunction with ICCV 2025. The workshop a…

cs.LG2024

RMLR: Extending Multinomial Logistic Regression into General Geometries

Ziheng Chen, Yue Song, Rui Wang +2

Riemannian neural networks, which extend deep learning techniques to Riemannian spaces, have gained significant attention in machine learning. To better classify the manifold-value…

cs.CV2024★ 1 cited

Understanding Matrix Function Normalizations in Covariance Pooling through the Lens of Riemannian Geometry

Ziheng Chen, Yue Song, Xiao-Jun Wu +2

Global Covariance Pooling (GCP) has been demonstrated to improve the performance of Deep Neural Networks (DNNs) by exploiting second-order statistics of high-level representations.…

math.DG2024

Fast and Stable Riemannian Metrics on SPD Manifolds via Cholesky Product Geometry

Ziheng Chen, Yue Song, Xiao-Jun Wu +1

Recent advances in Symmetric Positive Definite (SPD) matrix learning show that Riemannian metrics are fundamental to effective SPD neural networks. Motivated by this, we revisit th…

cs.LG2024

A Lie Group Approach to Riemannian Batch Normalization

Ziheng Chen, Yue Song, Yunmei Liu +1

Manifold-valued measurements exist in numerous applications within computer vision and machine learning. Recent studies have extended Deep Neural Networks (DNNs) to manifolds, and…

cs.LG2023

RankFeat&RankWeight: Rank-1 Feature/Weight Removal for Out-of-distribution Detection

Yue Song, Wei Wang, Nicu Sebe

The task of out-of-distribution (OOD) detection is crucial for deploying machine learning models in real-world settings. In this paper, we observe that the singular value distribut…

cs.LG2023

Flow Factorized Representation Learning

Yue Song, T. Anderson Keller, Nicu Sebe +1

A prominent goal of representation learning research is to achieve representations which are factorized in a useful manner with respect to the ground truth factors of variation. Th…

cs.CV2023

Householder Projector for Unsupervised Latent Semantics Discovery

Yue Song, Jichao Zhang, Nicu Sebe +1

Generative Adversarial Networks (GANs), especially the recent style-based generators (StyleGANs), have versatile semantics in the structured latent space. Latent semantics discover…

cs.LG2023

Riemannian Multinomial Logistics Regression for SPD Neural Networks

Ziheng Chen, Yue Song, Gaowen Liu +3

Deep neural networks for learning Symmetric Positive Definite (SPD) matrices are gaining increasing attention in machine learning. Despite the significant progress, most existing S…

cs.LG2023

Structured and Fast Optimization: The Kronecker SGD Algorithm

Zhao Song, Song Yue

Stochastic gradient descent (SGD) now acts as a fundamental part of optimization in current machine learning. Meanwhile, deep learning architectures have shown outstanding performa…

cs.LG2023★ 5 cited

Latent Traversals in Generative Models as Potential Flows

Yue Song, T. Anderson Keller, Nicu Sebe +1

Despite the significant recent progress in deep generative models, the underlying structure of their latent spaces is still poorly understood, thereby making the task of performing…

cs.LG2023★ 1 cited

Adaptive Log-Euclidean Metrics for SPD Matrix Learning

Ziheng Chen, Yue Song, Tianyang Xu +3

Symmetric Positive Definite (SPD) matrices have received wide attention in machine learning due to their intrinsic capacity to encode underlying structural correlation in data. Man…

cs.CV2022

Orthogonal SVD Covariance Conditioning and Latent Disentanglement

Yue Song, Nicu Sebe, Wei Wang

Inserting an SVD meta-layer into neural networks is prone to make the covariance ill-conditioned, which could harm the model in the training stability and generalization abilities.…

cs.LG2022★ 15 cited

RankFeat: Rank-1 Feature Removal for Out-of-distribution Detection

Yue Song, Nicu Sebe, Wei Wang

The task of out-of-distribution (OOD) detection is crucial for deploying machine learning models in real-world settings. In this paper, we observe that the singular value distribut…

cs.CV2022

Batch-efficient EigenDecomposition for Small and Medium Matrices

Yue Song, Nicu Sebe, Wei Wang

EigenDecomposition (ED) is at the heart of many computer vision algorithms and applications. One crucial bottleneck limiting its usage is the expensive computation cost, particular…

cs.CV2022★ 1 cited

Improving Covariance Conditioning of the SVD Meta-layer by Orthogonality

Yue Song, Nicu Sebe, Wei Wang

Inserting an SVD meta-layer into neural networks is prone to make the covariance ill-conditioned, which could harm the model in the training stability and generalization abilities.…

cs.CV2022★ 40 cited

On the Eigenvalues of Global Covariance Pooling for Fine-grained Visual Recognition

Yue Song, Nicu Sebe, Wei Wang

The Fine-Grained Visual Categorization (FGVC) is challenging because the subtle inter-class variations are difficult to be captured. One notable research line uses the Global Covar…

cs.CV2022

Masked Jigsaw Puzzle: A Versatile Position Embedding for Vision Transformers

Bin Ren, Yahui Liu, Yue Song +4

Position Embeddings (PEs), an arguably indispensable component in Vision Transformers (ViTs), have been shown to improve the performance of ViTs on many vision tasks. However, PEs…