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20212025
most citedTowards Calibrated Model for Long-Tailed Visual Recognition from Prior Perspective

5 citations · 16 across the 15 of their papers we have counts for

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14 papers · 1 filter

cs.CV2025

VACoT: Rethinking Visual Data Augmentation with VLMs

Zhengzhuo Xu, Chong Sun, SiNan Du +3

While visual data augmentation remains a cornerstone for training robust vision models, it has received limited attention in visual language models (VLMs), which predominantly rely…

cs.CV2025

VQRAE: Representation Quantization Autoencoders for Multimodal Understanding, Generation and Reconstruction

Sinan Du, Jiahao Guo, Bo Li +8

Unifying multimodal understanding, generation and reconstruction representation in a single tokenizer remains a key challenge in building unified models. Previous research predomin…

cs.CV2024

ALoRE: Efficient Visual Adaptation via Aggregating Low Rank Experts

Sinan Du, Guosheng Zhang, Keyao Wang +7

Parameter-efficient transfer learning (PETL) has become a promising paradigm for adapting large-scale vision foundation models to downstream tasks. Typical methods primarily levera…

cs.CV2023★ 1 cited

ChartBench: A Benchmark for Complex Visual Reasoning in Charts

Zhengzhuo Xu, Sinan Du, Yiyan Qi +3

Multimodal Large Language Models (MLLMs) have shown impressive capabilities in image understanding and generation. However, current benchmarks fail to accurately evaluate the chart…

cs.CV2023

Towards Effective Collaborative Learning in Long-Tailed Recognition

Zhengzhuo Xu, Zenghao Chai, Chengyin Xu +2

Real-world data usually suffers from severe class imbalance and long-tailed distributions, where minority classes are significantly underrepresented compared to the majority ones.…

cs.CV2023

Rethink Long-tailed Recognition with Vision Transformers

Zhengzhuo Xu, Shuo Yang, Xingjun Wang +1

In the real world, data tends to follow long-tailed distributions w.r.t. class or attribution, motivating the challenging Long-Tailed Recognition (LTR) problem. In this paper, we r…

cs.CV2022★ 1 cited

Learning Imbalanced Data with Vision Transformers

Zhengzhuo Xu, Ruikang Liu, Shuo Yang +2

The real-world data tends to be heavily imbalanced and severely skew the data-driven deep neural networks, which makes Long-Tailed Recognition (LTR) a massive challenging task. Exi…

cs.CV2022★ 2 cited

HyP Loss: Beyond Hypersphere Metric Space for Multi-label Image Retrieval

Chengyin Xu, Zenghao Chai, Zhengzhuo Xu +3

Image retrieval has become an increasingly appealing technique with broad multimedia application prospects, where deep hashing serves as the dominant branch towards low storage and…

cs.CV2022

REALY: Rethinking the Evaluation of 3D Face Reconstruction

Zenghao Chai, Haoxian Zhang, Jing Ren +5

The evaluation of 3D face reconstruction results typically relies on a rigid shape alignment between the estimated 3D model and the ground-truth scan. We observe that aligning two…

cs.CV2022

HHF: Hashing-guided Hinge Function for Deep Hashing Retrieval

Chengyin Xu, Zenghao Chai, Zhengzhuo Xu +4

Deep hashing has shown promising performance in large-scale image retrieval. However, latent codes extracted by Deep Neural Networks (DNNs) will inevitably lose semantic informatio…

cs.CV2021

Semantic-Sparse Colorization Network for Deep Exemplar-based Colorization

Yunpeng Bai, Chao Dong, Zenghao Chai +3

Exemplar-based colorization approaches rely on reference image to provide plausible colors for target gray-scale image. The key and difficulty of exemplar-based colorization is to…

cs.CV2021★ 5 cited

Towards Calibrated Model for Long-Tailed Visual Recognition from Prior Perspective

Zhengzhuo Xu, Zenghao Chai, Chun Yuan

Real-world data universally confronts a severe class-imbalance problem and exhibits a long-tailed distribution, i.e., most labels are associated with limited instances. The naïve m…

cs.CV2021★ 2 cited

MoDeRNN: Towards Fine-grained Motion Details for Spatiotemporal Predictive Learning

Zenghao Chai, Zhengzhuo Xu, Chun Yuan

Spatiotemporal predictive learning (ST-PL) aims at predicting the subsequent frames via limited observed sequences, and it has broad applications in the real world. However, learni…

cs.CV2021★ 4 cited

CMS-LSTM: Context Embedding and Multi-Scale Spatiotemporal Expression LSTM for Predictive Learning

Zenghao Chai, Zhengzhuo Xu, Yunpeng Bai +2

Spatiotemporal predictive learning (ST-PL) is a hotspot with numerous applications, such as object movement and meteorological prediction. It aims at predicting the subsequent fram…