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Deformable image registration is inherently a multi-objective optimization (MOO) problem, requiring a delicate balance between image similarity and deformation regularity. These conflicting objectives often lead to poor optimization…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Yi Zhang , Yidong Zhao , Qian Tao

Object detection models shipped with camera-equipped edge devices cannot cover the objects of interest for every user. Therefore, the incremental learning capability is a critical feature for a robust and personalized object detection…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Dawei Li , Serafettin Tasci , Shalini Ghosh , Jingwen Zhu , Junting Zhang , Larry Heck

Loss functions is a crucial factor that affecting the detection precision in object detection task. In this paper, we optimize both two loss functions for classification and localization simultaneously. Firstly, by multiplying an IoU-based…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Shang Jiang , Haoran Qin , Bingli Zhang , Jieyu Zheng

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

Incremental object detection (IOD) aims to sequentially learn new classes, while maintaining the capability to locate and identify old ones. As the training data arrives with annotations only with new classes, IOD suffers from catastrophic…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Jichuan Zhang , Wei Li , Shuang Cheng , Ya-Li Li , Shengjin Wang

Two-stage deep object detectors generate a set of regions-of-interest (RoI) in the first stage, then, in the second stage, identify objects among the proposed RoIs that sufficiently overlap with a ground truth (GT) box. The second stage is…

计算机视觉与模式识别 · 计算机科学 2020-06-22 Kemal Oksuz , Baris Can Cam , Emre Akbas , Sinan Kalkan

We present a deep learning method for end-to-end monocular 3D object detection and metric shape retrieval. We propose a novel loss formulation by lifting 2D detection, orientation, and scale estimation into 3D space. Instead of optimizing…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Fabian Manhardt , Wadim Kehl , Adrien Gaidon

Unsupervised 3D object detection methods have emerged to leverage vast amounts of data without requiring manual labels for training. Recent approaches rely on dynamic objects for learning to detect mobile objects but penalize the detections…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Ted Lentsch , Holger Caesar , Dariu M. Gavrila

We present RoarNet, a new approach for 3D object detection from a 2D image and 3D Lidar point clouds. Based on two-stage object detection framework with PointNet as our backbone network, we suggest several novel ideas to improve 3D object…

计算机视觉与模式识别 · 计算机科学 2018-11-12 Kiwoo Shin , Youngwook Paul Kwon , Masayoshi Tomizuka

This paper presents Mask-aware Intersection-over-Union (maIoU) for assigning anchor boxes as positives and negatives during training of instance segmentation methods. Unlike conventional IoU or its variants, which only considers the…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Kemal Oksuz , Baris Can Cam , Fehmi Kahraman , Zeynep Sonat Baltaci , Sinan Kalkan , Emre Akbas

As an important component of the detector localization branch, bounding box regression loss plays a significant role in object detection tasks. The existing bounding box regression methods usually consider the geometric relationship between…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Hao Zhang , Shuaijie Zhang

In object detection, bounding box regression (BBR) is a crucial step that determines the object localization performance. However, we find that most previous loss functions for BBR have two main drawbacks: (i) Both $\ell_n$-norm and…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yi-Fan Zhang , Weiqiang Ren , Zhang Zhang , Zhen Jia , Liang Wang , Tieniu Tan

Existing point cloud based 3D detectors are designed for the particular scene, either indoor or outdoor ones. Because of the substantial differences in object distribution and point density within point clouds collected from various…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Zhenyu Wang , Yali Li , Xi Chen , Hengshuang Zhao , Shengjin Wang

Research on monocular 3D object detection is being actively studied, and as a result, performance has been steadily improving. However, 3D object detection performance is significantly reduced when applied to a camera system different from…

计算机视觉与模式识别 · 计算机科学 2023-10-10 SungHo Moon , JinWoo Bae , SungHoon Im

With the growing demand for oriented object detection (OOD), recent studies on point-supervised OOD have attracted significant interest. In this paper, we propose PointOBB-v3, a stronger single point-supervised OOD framework. Compared to…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Peiyuan Zhang , Junwei Luo , Xue Yang , Yi Yu , Qingyun Li , Yue Zhou , Xiaosong Jia , Xudong Lu , Jingdong Chen , Xiang Li , Junchi Yan , Yansheng Li

Due to inevitable noises introduced during scanning and quantization, 3D reconstruction via RGB-D sensors suffers from errors both in geometry and texture, leading to artifacts such as camera drifting, mesh distortion, texture ghosting, and…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Jingbo Zhang , Ziyu Wan , Jing Liao

When localizing and detecting 3D objects for autonomous driving scenes, obtaining information from multiple sensor (e.g. camera, LIDAR) typically increases the robustness of 3D detectors. However, the efficient and effective fusion of…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Modern CNN-based object detectors rely on bounding box regression and non-maximum suppression to localize objects. While the probabilities for class labels naturally reflect classification confidence, localization confidence is absent. This…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Borui Jiang , Ruixuan Luo , Jiayuan Mao , Tete Xiao , Yuning Jiang

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

计算机视觉与模式识别 · 计算机科学 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

Occlusion presents a significant challenge for safety-critical applications such as autonomous driving. Collaborative perception has recently attracted a large research interest thanks to the ability to enhance the perception of autonomous…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Minh-Quan Dao , Holger Caesar , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Vincent Frémont , Ezio Malis