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Ziyao Zhang

3 accepted papers

2026

ApET: Approximation-Error Guided Token Compression for Efficient VLMs

CVPR 2026

Recent Vision-Language Models (VLMs) have demonstrated remarkable multimodal understanding capabilities, yet the redundant visual tokens incur prohibitive computational overhead and degrade inference efficiency. Prior studies typically relies on [CLS] attention or text-vision cross-attention to iden

Cited by 0SourcecodeScholar
2023

Globally Consistent Federated Graph Autoencoder for Non-IID Graphs

IJCAI 2023poster

Graph neural networks (GNNs) have been applied successfully in many machine learning tasks due to their advantages in utilizing neighboring information. Recently, with the global enactment of privacy protection regulations, federated GNNs have gained increasing attention in academia and industry. Ho…

2021

Sar Image Autofocusing Using Wirtinger Calculus and Cauchy Regularization

ICASSP 2021accepted

In this paper, an optimization model using Cauchy regularization is proposed for simultaneous SAR image reconstruction and autofocusing. An alternating minimization framework in which the desired image and the phase errors are optimized alternatively is designed to solve the model. For the sub-probl…

Cited by 0SourceScholar