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Jiajun Sun

4 accepted papers

2026

ChartE$^{3}$: A Comprehensive Benchmark for End-to-End Chart Editing

ICML 2026poster

Charts are a fundamental visualization format for structured data analysis. Enabling end-to-end chart editing according to user intent is of great practical value, yet remains challenging due to the need for both fine-grained control and global structural consistency. Most existing approaches adopt …

Cited by 0SourceScholar
2026

What Makes a Good Speech Tokenizer for LLM-Centric Speech Generation? A Systematic Study

AAAI 2026technical

Speech-language models (SLMs) offer a promising path toward unifying speech and text understanding and generation. However, challenges remain in achieving effective cross-modal alignment and high-quality speech generation. In this work, we systematically investigate the role of speech tokenizer desi

Cited by 0SourcePDFScholar
2025

Mitigating Object Hallucinations in MLLMs via Multi-Frequency Perturbations

EMNLP 2025

Recently, multimodal large language models (MLLMs) have demonstrated remarkable performance in visual-language tasks. However, the authenticity of the responses generated by MLLMs is often compromised by object hallucinations. We identify that a key cause of these hallucinations is the model’s over-

Cited by 0SourcePDFScholar
2022

DATA: Domain-Aware and Task-Aware Self-Supervised Learning

CVPR 2022poster

The paradigm of training models on massive data without label through self-supervised learning (SSL) and finetuning on many downstream tasks has become a trend recently. However, due to the high training costs and the unconsciousness of downstream usages, most self-supervised learning methods lack t…

Cited by 11PDFcodeScholar