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Pengzhen Ren

5 accepted papers

2024

PIVOT-R: Primitive-Driven Waypoint-Aware World Model for Robotic Manipulation

NeurIPS 2024poster

Language-guided robotic manipulation is a challenging task that requires an embodied agent to follow abstract user instructions to accomplish various complex manipulation tasks. Previous work generally maps instructions and visual perceptions directly to low-level executable actions, neglecting the…

Cited by 1SourcePDFScholar
2023

MixReorg: Cross-Modal Mixed Patch Reorganization is a Good Mask Learner for Open-World Semantic Segmentation

ICCV 2023poster

Recently, semantic segmentation models trained with image-level text supervision have shown promising results in challenging open-world scenarios. However, these models still face difficulties in learning fine-grained semantic alignment at the pixel level and predicting accurate object masks. To add…

Cited by 19PDFScholar
2023

ViewCo: Discovering Text-Supervised Segmentation Masks via Multi-View Semantic Consistency

ICLR 2023poster

Recently, great success has been made in learning visual representations from text supervision, facilitating the emergence of text-supervised semantic segmentation. However, existing works focus on pixel grouping and cross-modal semantic alignment, while ignoring the correspondence among multiple au…

2022

Beyond Fixation: Dynamic Window Visual Transformer

CVPR 2022poster

Recently, a surge of interest in visual transformers is to reduce the computational cost by limiting the calculation of self-attention to a local window. Most current work uses a fixed single-scale window for modeling by default, ignoring the impact of window size on model performance. However, this…

Cited by 41PDFcodeScholar
2021

Person Search Challenges and Solutions: A Survey

IJCAI 2021poster

Person search has drawn increasing attention due to its real-world applications and research significance. Person search aims to find a probe person in a gallery of scene images with a wide range of applications, such as criminals search, multicamera tracking, missing person search, etc. Early perso…

Cited by 17SourcePDFScholar