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Zijun Geng

dblp:398/4888 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2025
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Vision and language · 50% Image recognition and object detection · 50%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Computer vision › Vision and language
cross-modal alignment
0.912025
Analyzing and Boosting the Power of Fine-Grained Visual Recognition for Multi-modal Large Language Models · ICLR 2025
Computer vision › Image recognition and object detection › image classification
fine-grained image classification
0.912025
Analyzing and Boosting the Power of Fine-Grained Visual Recognition for Multi-modal Large Language Models · ICLR 2025
Computer vision › Vision and language › vision-language model
multimodal large language model
0.912025
Analyzing and Boosting the Power of Fine-Grained Visual Recognition for Multi-modal Large Language Models · ICLR 2025
Computer vision › Image recognition and object detection › image classification › fine-grained image classification
subordinate-level categorization
0.912025
Analyzing and Boosting the Power of Fine-Grained Visual Recognition for Multi-modal Large Language Models · ICLR 2025

Methods — techniques the papers use, named apart from their topics

hard negatives · 0.9contrastive learning · 0.9
YearPublicationVenuePosition
2025 Analyzing and Boosting the Power of Fine-Grained Visual Recognition for Multi-modal Large Language Models
abstract
Multi-modal large language models (MLLMs) have shown remarkable abilities in various visual understanding tasks. However, MLLMs still struggle with fine-grained visual recognition (FGVR), which aims to identify subordinate-level categories from images. This can negatively impact more advanced capabilities of MLLMs, such as object-centric visual question answering and reasoning. In our study, we revisit three quintessential capabilities of MLLMs for FGVR, including object information extraction, category knowledge reserve, object-category alignment, and position of the root cause as a misalignment problem. To address this issue, we present Finedefics, an MLLM that enhances the model's FGVR capability by incorporating informative attribute descriptions of objects into the training phase. We employ contrastive learning on object-attribute pairs and attribute-category pairs simultaneously and use examples from similar but incorrect categories as hard negatives, naturally bringing representations of visual objects and category names closer. Extensive evaluations across multiple popular FGVR datasets demonstrate that Finedefics outperforms existing MLLMs of comparable parameter sizes, showcasing its remarkable efficacy. The code is available at [https://github.com/PKU-ICST-MIPL/Finedefics_ICLR2025](https://github.com/PKU-ICST-MIPL/Finedefics_ICLR2025).
Hulingxiao He, Geng Li 0003, Zijun Geng, Jinglin Xu, Yuxin Peng 0001
ICLR3