Search Results for author: Wentong Li

Found 14 papers, 11 papers with code

Not All Voxels Are Equal: Hardness-Aware Semantic Scene Completion with Self-Distillation

1 code implementation18 Apr 2024 Song Wang, Jiawei Yu, Wentong Li, Wenyu Liu, Xiaolu Liu, Junbo Chen, Jianke Zhu

Furthermore, the voxels in the boundary region are more challenging to differentiate than those in the interior.

Autonomous Vehicles

MGMap: Mask-Guided Learning for Online Vectorized HD Map Construction

1 code implementation1 Apr 2024 Xiaolu Liu, Song Wang, Wentong Li, Ruizi Yang, Junbo Chen, Jianke Zhu

Currently, high-definition (HD) map construction leans towards a lightweight online generation tendency, which aims to preserve timely and reliable road scene information.

Osprey: Pixel Understanding with Visual Instruction Tuning

2 code implementations15 Dec 2023 Yuqian Yuan, Wentong Li, Jian Liu, Dongqi Tang, Xinjie Luo, Chi Qin, Lei Zhang, Jianke Zhu

In this paper, we propose Osprey, a mask-text instruction tuning approach, to extend MLLMs by incorporating fine-grained mask regions into language instruction, aiming at achieving pixel-wise visual understanding.

Language Modelling

Label-efficient Segmentation via Affinity Propagation

1 code implementation NeurIPS 2023 Wentong Li, Yuqian Yuan, Song Wang, Wenyu Liu, Dongqi Tang, Jian Liu, Jianke Zhu, Lei Zhang

In this work, we formulate the affinity modeling as an affinity propagation process, and propose a local and a global pairwise affinity terms to generate accurate soft pseudo labels.

Box-supervised Instance Segmentation Segmentation +2

Point2Mask: Point-supervised Panoptic Segmentation via Optimal Transport

1 code implementation ICCV 2023 Wentong Li, Yuqian Yuan, Song Wang, Jianke Zhu, Jianshu Li, Jian Liu, Lei Zhang

Weakly-supervised image segmentation has recently attracted increasing research attentions, aiming to avoid the expensive pixel-wise labeling.

Image Segmentation Panoptic Segmentation

LiDAR2Map: In Defense of LiDAR-Based Semantic Map Construction Using Online Camera Distillation

1 code implementation CVPR 2023 Song Wang, Wentong Li, Wenyu Liu, Xiaolu Liu, Jianke Zhu

To mitigate the defects caused by lacking semantic cues in LiDAR data, we present an online Camera-to-LiDAR distillation scheme to facilitate the semantic learning from image to point cloud.

Autonomous Driving

Box2Mask: Box-supervised Instance Segmentation via Level-set Evolution

2 code implementations3 Dec 2022 Wentong Li, Wenyu Liu, Jianke Zhu, Miaomiao Cui, Risheng Yu, Xiansheng Hua, Lei Zhang

In contrast to fully supervised methods using pixel-wise mask labels, box-supervised instance segmentation takes advantage of simple box annotations, which has recently attracted increasing research attention.

Box-supervised Instance Segmentation Segmentation

H2RBox: Horizontal Box Annotation is All You Need for Oriented Object Detection

3 code implementations13 Oct 2022 Xue Yang, Gefan Zhang, Wentong Li, Xuehui Wang, Yue Zhou, Junchi Yan

Oriented object detection emerges in many applications from aerial images to autonomous driving, while many existing detection benchmarks are annotated with horizontal bounding box only which is also less costive than fine-grained rotated box, leading to a gap between the readily available training corpus and the rising demand for oriented object detection.

Autonomous Driving Box-supervised Instance Segmentation +6

Box-supervised Instance Segmentation with Level Set Evolution

1 code implementation19 Jul 2022 Wentong Li, Wenyu Liu, Jianke Zhu, Miaomiao Cui, Xiansheng Hua, Lei Zhang

A simple mask supervised SOLOv2 model is adapted to predict the instance-aware mask map as the level set for each instance.

Box-supervised Instance Segmentation Segmentation

Improving Nighttime Driving-Scene Segmentation via Dual Image-adaptive Learnable Filters

2 code implementations4 Jul 2022 Wenyu Liu, Wentong Li, Jianke Zhu, Miaomiao Cui, Xuansong Xie, Lei Zhang

With DIAL-Filters, we design both unsupervised and supervised frameworks for nighttime driving-scene segmentation, which can be trained in an end-to-end manner.

Autonomous Driving Scene Segmentation +1

Deep Level Set for Box-supervised Instance Segmentation in Aerial Images

no code implementations7 Dec 2021 Wentong Li, Yijie Chen, Wenyu Liu, Jianke Zhu

Instead of learning the pairwise affinity, the level set method with the carefully designed energy functions treats the object segmentation as curve evolution, which is able to accurately recover the object's boundaries and prevent the interference from the indistinguishable background and similar objects.

Box-supervised Instance Segmentation Segmentation +1

Translational Symmetry-Aware Facade Parsing for 3D Building Reconstruction

no code implementations2 Jun 2021 Hantang Liu, Wentong Li, Jianke Zhu

Although enjoying the merits of promising results on the semantic parsing, deep learning methods cannot directly make use of the architectural rules, which play an important role for man-made structures.

Semantic Parsing Semantic Segmentation

Oriented RepPoints for Aerial Object Detection

2 code implementations CVPR 2022 Wentong Li, Yijie Chen, Kaixuan Hu, Jianke Zhu

In contrast to the generic object, aerial targets are often non-axis aligned with arbitrary orientations having the cluttered surroundings.

Object Object Detection In Aerial Images +2

Smart Pacing for Effective Online Ad Campaign Optimization

no code implementations18 Jun 2015 Jian Xu, Kuang-Chih Lee, Wentong Li, Hang Qi, Quan Lu

In this paper, we propose a smart pacing approach in which the delivery pace of each campaign is learned from both offline and online data to achieve smooth delivery and optimal performance goals.

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