activity
20202026
most citedPoint-Level Temporal Action Localization: Bridging Fully-supervised Proposals to Weakly-supervised Losses

11 citations · 50 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CV2026

FineViT: Progressively Unlocking Fine-Grained Perception with Dense Recaptions

Peisen Zhao, Xiaopeng Zhang, Mingxing Xu +10

While Multimodal Large Language Models (MLLMs) have experienced rapid advancements, their visual encoders frequently remain a performance bottleneck. Conventional CLIP-based encode…

cs.CV2025

GranViT: A Fine-Grained Vision Model With Autoregressive Perception For MLLMs

Guanghao Zheng, Bowen Shi, Mingxing Xu +8

Vision encoders are indispensable for allowing impressive performance of Multi-modal Large Language Models (MLLMs) in vision language tasks such as visual question answering and re…

cs.CV2024

UMG-CLIP: A Unified Multi-Granularity Vision Generalist for Open-World Understanding

Bowen Shi, Peisen Zhao, Zichen Wang +8

Vision-language foundation models, represented by Contrastive Language-Image Pre-training (CLIP), have gained increasing attention for jointly understanding both vision and textual…

cs.CV2023

Prune Spatio-temporal Tokens by Semantic-aware Temporal Accumulation

Shuangrui Ding, Peisen Zhao, Xiaopeng Zhang +3

Transformers have become the primary backbone of the computer vision community due to their impressive performance. However, the unfriendly computation cost impedes their potential…

cs.CV2023★ 5 cited

Multi-modal Prompting for Low-Shot Temporal Action Localization

Chen Ju, Zeqian Li, Peisen Zhao +5

In this paper, we consider the problem of temporal action localization under low-shot (zero-shot & few-shot) scenario, with the goal of detecting and classifying the action instanc…

cs.CV2023★ 7 cited

Constraint and Union for Partially-Supervised Temporal Sentence Grounding

Chen Ju, Haicheng Wang, Jinxiang Liu +5

Temporal sentence grounding aims to detect the event timestamps described by the natural language query from given untrimmed videos. The existing fully-supervised setting achieves…

cs.CV2022★ 1 cited

Distilling Vision-Language Pre-training to Collaborate with Weakly-Supervised Temporal Action Localization

Chen Ju, Kunhao Zheng, Jinxiang Liu +5

Weakly-supervised temporal action localization (WTAL) learns to detect and classify action instances with only category labels. Most methods widely adopt the off-the-shelf Classifi…

cs.CV2021

Adaptive Mutual Supervision for Weakly-Supervised Temporal Action Localization

Chen Ju, Peisen Zhao, Siheng Chen +3

Weakly-supervised temporal action localization aims to localize actions in untrimmed videos with only video-level action category labels. Most of previous methods ignore the incomp…

cs.CV2020★ 11 cited

Point-Level Temporal Action Localization: Bridging Fully-supervised Proposals to Weakly-supervised Losses

Chen Ju, Peisen Zhao, Ya Zhang +2

Point-Level temporal action localization (PTAL) aims to localize actions in untrimmed videos with only one timestamp annotation for each action instance. Existing methods adopt the…

cs.CV2020★ 7 cited

Privileged Knowledge Distillation for Online Action Detection

Peisen Zhao, Lingxi Xie, Ya Zhang +2

Online Action Detection (OAD) in videos is proposed as a per-frame labeling task to address the real-time prediction tasks that can only obtain the previous and current video frame…

cs.LG2020★ 8 cited

ESAD: End-to-end Deep Semi-supervised Anomaly Detection

Chaoqin Huang, Fei Ye, Peisen Zhao +3

This paper explores semi-supervised anomaly detection, a more practical setting for anomaly detection where a small additional set of labeled samples are provided. We propose a new…

cs.CV2020★ 3 cited

Universal-to-Specific Framework for Complex Action Recognition

Peisen Zhao, Lingxi Xie, Ya Zhang +1

Video-based action recognition has recently attracted much attention in the field of computer vision. To solve more complex recognition tasks, it has become necessary to distinguis…

cs.CV2020★ 8 cited

Bottom-Up Temporal Action Localization with Mutual Regularization

Peisen Zhao, Lingxi Xie, Chen Ju +3

Recently, temporal action localization (TAL), i.e., finding specific action segments in untrimmed videos, has attracted increasing attentions of the computer vision community. Stat…