works on

From the 1 of 7 linked papers with an AI index.

activity
20242026
collaborators

7 papers

cs.CV2026

One Patch Is Enough: Reinforcement-Optimized Visual Token Grounding for MLLM-Based Scene Text Spotting

Rui Tang, Wentao Yang, Peirong Zhang +4

The paper introduces a vision-centric framework called SPaTS that uses a single visual token per text instance and reinforcement learning to improve scene text spotting accuracy an…

cs.CV2025

Online Writer Retrieval with Chinese Handwritten Phrases: A Synergistic Temporal-Frequency Representation Learning Approach

Peirong Zhang, Lianwen Jin

Currently, the prevalence of online handwriting has spurred a critical need for effective retrieval systems to accurately search relevant handwriting instances from specific writer…

cs.CV2025

MegaHan97K: A Large-Scale Dataset for Mega-Category Chinese Character Recognition with over 97K Categories

Yuyi Zhang, Yongxin Shi, Peirong Zhang +3

Foundational to the Chinese language and culture, Chinese characters encompass extraordinarily extensive and ever-expanding categories, with the latest Chinese GB18030-2022 standar…

cs.RO2025

Online Signature Verification based on the Lagrange formulation with 2D and 3D robotic models

Moises Diaz, Miguel A. Ferrer, Juan M. Gil +3

Online Signature Verification commonly relies on function-based features, such as time-sampled horizontal and vertical coordinates, as well as the pressure exerted by the writer, o…

cs.CV2025

Privacy-Preserving Biometric Verification with Handwritten Random Digit String

Peirong Zhang, Yuliang Liu, Songxuan Lai +2

Handwriting verification has stood as a steadfast identity authentication method for decades. However, this technique risks potential privacy breaches due to the inclusion of perso…

cs.LG2025

Smaller But Better: Unifying Layout Generation with Smaller Large Language Models

Peirong Zhang, Jiaxin Zhang, Jiahuan Cao +2

We propose LGGPT, an LLM-based model tailored for unified layout generation. First, we propose Arbitrary Layout Instruction (ALI) and Universal Layout Response (ULR) as the uniform…