Search Results for author: Xin-Chun Li

Found 11 papers, 2 papers with code

Exploring Dark Knowledge under Various Teacher Capacities and Addressing Capacity Mismatch

no code implementations21 May 2024 Xin-Chun Li, Wen-Shu Fan, Bowen Tao, Le Gan, De-Chuan Zhan

Two fundamental observations are: (1) a larger teacher tends to produce probability vectors that are less distinct between non-ground-truth classes; (2) teachers with different capacities are basically consistent in their cognition of relative class affinity.

Visualizing, Rethinking, and Mining the Loss Landscape of Deep Neural Networks

no code implementations21 May 2024 Xin-Chun Li, Lan Li, De-Chuan Zhan

The loss landscape of deep neural networks (DNNs) is commonly considered complex and wildly fluctuated.

Exploring and Exploiting the Asymmetric Valley of Deep Neural Networks

no code implementations21 May 2024 Xin-Chun Li, Jin-Lin Tang, Bo Zhang, Lan Li, De-Chuan Zhan

Exploring the loss landscape offers insights into the inherent principles of deep neural networks (DNNs).

Federated Learning

MAP: Model Aggregation and Personalization in Federated Learning with Incomplete Classes

no code implementations14 Apr 2024 Xin-Chun Li, Shaoming Song, Yinchuan Li, Bingshuai Li, Yunfeng Shao, Yang Yang, De-Chuan Zhan

For better model personalization, we point out that the hard-won personalized models are not well exploited and propose "inherited private model" to store the personalization experience.

Federated Learning

CLAF: Contrastive Learning with Augmented Features for Imbalanced Semi-Supervised Learning

no code implementations15 Dec 2023 Bowen Tao, Lan Li, Xin-Chun Li, De-Chuan Zhan

For each pseudo-labeled sample, we select positive and negative samples from labeled data instead of unlabeled data to compute contrastive loss.

Contrastive Learning Image Classification

MrTF: Model Refinery for Transductive Federated Learning

1 code implementation7 May 2023 Xin-Chun Li, Yang Yang, De-Chuan Zhan

We propose a novel learning paradigm named transductive federated learning (TFL) to simultaneously consider the structural information of the to-be-inferred data.

Federated Learning

Asymmetric Temperature Scaling Makes Larger Networks Teach Well Again

no code implementations10 Oct 2022 Xin-Chun Li, Wen-Shu Fan, Shaoming Song, Yinchuan Li, Bingshuai Li, Yunfeng Shao, De-Chuan Zhan

Complex teachers tend to be over-confident and traditional temperature scaling limits the efficacy of {\it class discriminability}, resulting in less discriminative wrong class probabilities.

Knowledge Distillation

Preliminary Steps Towards Federated Sentiment Classification

no code implementations26 Jul 2021 Xin-Chun Li, Lan Li, De-Chuan Zhan, Yunfeng Shao, Bingshuai Li, Shaoming Song

Automatically mining sentiment tendency contained in natural language is a fundamental research to some artificial intelligent applications, where solutions alternate with challenges.

Classification Dimensionality Reduction +4

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