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The transformation of features from 2D perspective space to 3D space is essential to multi-view 3D object detection. Recent approaches mainly focus on the design of view transformation, either pixel-wisely lifting perspective view features…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

A Semi-supervised Segmentation Fusion algorithm is proposed using consensus and distributed learning. The aim of Unsupervised Segmentation Fusion (USF) is to achieve a consensus among different segmentation outputs obtained from different…

计算机视觉与模式识别 · 计算机科学 2015-02-27 Mete Ozay

Pedestrian attribute recognition (PAR) has received increasing attention because of its wide application in video surveillance and pedestrian analysis. Extracting robust feature representation is one of the key challenges in this task. The…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Xinwen Fan , Yukang Zhang , Yang Lu , Hanzi Wang

Generating a detailed near-field perceptual model of the environment is an important and challenging problem in both self-driving vehicles and autonomous mobile robotics. A Bird Eye View (BEV) map, providing a panoptic representation, is a…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Pramit Dutta , Ganesh Sistu , Senthil Yogamani , Edgar Galván , John McDonald

The advent of high-resolution multispectral/hyperspectral sensors, LiDAR DSM (Digital Surface Model) information and many others has provided us with an unprecedented wealth of data for Earth Observation. Multimodal AI seeks to exploit…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Nhi Kieu , Kien Nguyen , Sridha Sridharan , Clinton Fookes

Segmentation is a crucial step in microscopy image analysis. Numerous approaches have been developed over the past years, ranging from classical segmentation algorithms to advanced deep learning models. While U-Net remains one of the most…

图像与视频处理 · 电气工程与系统科学 2024-09-26 Illia Tsiporenko , Pavel Chizhov , Dmytro Fishman

Although point cloud registration has achieved remarkable advances in object-level and indoor scenes, large-scale LiDAR registration methods has been rarely explored before. Challenges mainly arise from the huge point scale, complex point…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Jiuming Liu , Guangming Wang , Zhe Liu , Chaokang Jiang , Haoang Li , Mengmeng Liu , Tianchen Deng , Marc Pollefeys , Michael Ying Yang , Hesheng Wang

Background:Convolutional Neural Networks(CNN) and Vision Transformers(ViT) are the main techniques used in Medical image segmentation. However, CNN is limited to local contextual information, and ViT's quadratic complexity results in…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Xuanyu Liu , Huiyun Yao , Jinggui Gao , Zhongyi Guo , Xue Zhang , Yulin Dong

Panoptic segmentation involves a combination of joint semantic segmentation and instance segmentation, where image contents are divided into two types: things and stuff. We present Panoptic SegFormer, a general framework for panoptic…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Zhiqi Li , Wenhai Wang , Enze Xie , Zhiding Yu , Anima Anandkumar , Jose M. Alvarez , Ping Luo , Tong Lu

The recently proposed MaskFormer gives a refreshed perspective on the task of semantic segmentation: it shifts from the popular pixel-level classification paradigm to a mask-level classification method. In essence, it generates paired…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Zipeng Qin , Jianbo Liu , Xiaolin Zhang , Maoqing Tian , Aojun Zhou , Shuai Yi , Hongsheng Li

Most existing methods realize 3D instance segmentation by extending those models used for 3D object detection or 3D semantic segmentation. However, these non-straightforward methods suffer from two drawbacks: 1) Imprecise bounding boxes or…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jiahao Sun , Chunmei Qing , Junpeng Tan , Xiangmin Xu

Computer-aided medical image segmentation has been applied widely in diagnosis and treatment to obtain clinically useful information of shapes and volumes of target organs and tissues. In the past several years, convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Yixuan Wu , Kuanlun Liao , Jintai Chen , Jinhong Wang , Danny Z. Chen , Honghao Gao , Jian Wu

Recent advances in transformer-based models have drawn attention to exploring these techniques in medical image segmentation, especially in conjunction with the U-Net model (or its variants), which has shown great success in medical image…

图像与视频处理 · 电气工程与系统科学 2021-10-22 Xiangyi Yan , Hao Tang , Shanlin Sun , Haoyu Ma , Deying Kong , Xiaohui Xie

Vision-based Bird's Eye View (BEV) representation is an emerging perception formulation for autonomous driving. The core challenge is to construct BEV space with multi-camera features, which is a one-to-many ill-posed problem. Diving into…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Yiming Wu , Ruixiang Li , Zequn Qin , Xinhai Zhao , Xi Li

Although point cloud registration has achieved remarkable advances in object-level and indoor scenes, large-scale registration methods are rarely explored. Challenges mainly arise from the huge point number, complex distribution, and…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Jiuming Liu , Guangming Wang , Zhe Liu , Chaokang Jiang , Marc Pollefeys , Hesheng Wang

Few-shot Semantic Segmentation addresses the challenge of segmenting objects in query images with only a handful of annotated examples. However, many previous state-of-the-art methods either have to discard intricate local semantic features…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Amirreza Fateh , Mohammad Reza Mohammadi , Mohammad Reza Jahed Motlagh

This paper addresses the task of Unmanned Aerial Vehicles (UAV) visual geo-localization, which aims to match images of the same geographic target taken by different platforms, i.e., UAVs and satellites. In general, the key to achieving…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Shishen Li , Cuiwei Liu , Huaijun Qiu , Zhaokui Li

In this work, instead of directly predicting the pixel-level segmentation masks, the problem of referring image segmentation is formulated as sequential polygon generation, and the predicted polygons can be later converted into segmentation…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Jiang Liu , Hui Ding , Zhaowei Cai , Yuting Zhang , Ravi Kumar Satzoda , Vijay Mahadevan , R. Manmatha

Facial Action Units (AU) is a vital concept in the realm of affective computing, and AU detection has always been a hot research topic. Existing methods suffer from overfitting issues due to the utilization of a large number of learnable…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Kaishen Yuan , Zitong Yu , Xin Liu , Weicheng Xie , Huanjing Yue , Jingyu Yang

Implicit neural fields have made remarkable progress in reconstructing 3D surfaces from multiple images; however, they encounter challenges when it comes to separating individual objects within a scene. Previous work has attempted to tackle…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Gemmechu Hassena , Jonathan Moon , Ryan Fujii , Andrew Yuen , Noah Snavely , Steve Marschner , Bharath Hariharan