Search Results for author: Hongjing Niu

Found 7 papers, 4 papers with code

Domain-Unified Prompt Representations for Source-Free Domain Generalization

1 code implementation29 Sep 2022 Hongjing Niu, Hanting Li, Feng Zhao, Bin Li

The proposed scheme generates diverse prompts from a domain bank that contains many more diverse domains than existing DG datasets.

Source-free Domain Generalization

Intensity-Aware Loss for Dynamic Facial Expression Recognition in the Wild

1 code implementation19 Aug 2022 Hanting Li, Hongjing Niu, Zhaoqing Zhu, Feng Zhao

One of the main reasons is that video sequences often contain frames with different expression intensities, especially for the facial expressions in the real-world scenarios, while the images in SFER frequently present uniform and high expression intensities.

Dynamic Facial Expression Recognition Facial Expression Recognition +1

Enhancing Backdoor Attacks with Multi-Level MMD Regularization

1 code implementation9 Nov 2021 Pengfei Xia, Hongjing Niu, Ziqiang Li, Bin Li

Then, ML-MMDR, a difference reduction method that adds multi-level MMD regularization into the loss, is proposed, and its effectiveness is testified on three typical difference-based defense methods.

Backdoor Attack

A New Perspective on Stabilizing GANs training: Direct Adversarial Training

1 code implementation19 Aug 2020 Ziqiang Li, Pengfei Xia, Rentuo Tao, Hongjing Niu, Bin Li

Quite a number of methods have been proposed to stabilize the training of GANs, the focuses of which were respectively put on the loss functions, regularization and normalization technologies, training algorithms, and model architectures.

Adversarial Attack Image Generation

Interpreting the Latent Space of GANs via Correlation Analysis for Controllable Concept Manipulation

no code implementations23 May 2020 Ziqiang Li, Rentuo Tao, Hongjing Niu, Bin Li

Generative adversarial nets (GANs) have been successfully applied in many fields like image generation, inpainting, super-resolution and drug discovery, etc., by now, the inner process of GANs is far from been understood.

Drug Discovery Image Generation +1

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