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Related papers: Augmenting Anchors by the Detector Itself

200 papers

In recent years, object detection has experienced impressive progress. Despite these improvements, there is still a significant gap in the performance between the detection of small and large objects. We analyze the current state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Mate Kisantal , Zbigniew Wojna , Jakub Murawski , Jacek Naruniec , Kyunghyun Cho

High-efficiency point cloud 3D object detection operated on embedded systems is important for many robotics applications including autonomous driving. Most previous works try to solve it using anchor-based detection methods which come with…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Runzhou Ge , Zhuangzhuang Ding , Yihan Hu , Yu Wang , Sijia Chen , Li Huang , Yuan Li

Object detection has made tremendous strides in computer vision. Small object detection with appearance degradation is a prominent challenge, especially for aerial observations. To collect sufficient positive/negative samples for heuristic…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Dong Liang , Qixiang Geng , Zongqi Wei , Dmitry A. Vorontsov , Ekaterina L. Kim , Mingqiang Wei , Huiyu Zhou

Metric learning minimizes the gap between similar (positive) pairs of data points and increases the separation of dissimilar (negative) pairs, aiming at capturing the underlying data structure and enhancing the performance of tasks like…

Sound · Computer Science 2024-04-24 Donghuo Zeng , Yanan Wang , Kazushi Ikeda , Yi Yu

Region anchors are the cornerstone of modern object detection techniques. State-of-the-art detectors mostly rely on a dense anchoring scheme, where anchors are sampled uniformly over the spatial domain with a predefined set of scales and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jiaqi Wang , Kai Chen , Shuo Yang , Chen Change Loy , Dahua Lin

In object detection, determining which anchors to assign as positive or negative samples, known as anchor assignment, has been revealed as a core procedure that can significantly affect a model's performance. In this paper we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Kang Kim , Hee Seok Lee

This paper introduces a novel anchor design to support anchor-based face detection for superior scale-invariant performance, especially on tiny faces. To achieve this, we explicitly address the problem that anchor-based detectors drop…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Chenchen Zhu , Ran Tao , Khoa Luu , Marios Savvides

Data augmentations are important in training high-performance 3D object detectors for point clouds. Despite recent efforts on designing new data augmentations, perhaps surprisingly, most state-of-the-art 3D detectors only use a few simple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhaoqi Leng , Guowang Li , Chenxi Liu , Ekin Dogus Cubuk , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

In autonomous driving, data augmentation is commonly used for improving 3D object detection. The most basic methods include insertion of copied objects and rotation and scaling of the entire training frame. Numerous variants have been…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Jungwook Shin , Jaeill Kim , Kyungeun Lee , Hyunghun Cho , Wonjong Rhee

Rotated object detection in aerial images has received increasing attention for a wide range of applications. However, it is also a challenging task due to the huge variations of scale, rotation, aspect ratio, and densely arranged targets.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Feng Zhang , Xueying Wang , Shilin Zhou , Yingqian Wang

Data augmentation is a key component of CNN based image recognition tasks like object detection. However, it is relatively less explored for 3D object detection. Many standard 2D object detection data augmentation techniques do not extend…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Sugirtha T , Sridevi M , Khailash Santhakumar , B Ravi Kiran , Thomas Gauthier , Senthil Yogamani

Detection of small objects and objects far away in the scene is a major challenge in surveillance applications. Such objects are represented by small number of pixels in the image and lack sufficient details, making them difficult to detect…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Fatih Cagatay Akyon , Sinan Onur Altinuc , Alptekin Temizel

Anchor-based Siamese trackers have achieved remarkable advancements in accuracy, yet the further improvement is restricted by the lagged tracking robustness. We find the underlying reason is that the regression network in anchor-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Zhipeng Zhang , Houwen Peng , Jianlong Fu , Bing Li , Weiming Hu

We propose Scale-aware AutoAug to learn data augmentation policies for object detection. We define a new scale-aware search space, where both image- and box-level augmentations are designed for maintaining scale invariance. Upon this search…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Yukang Chen , Yanwei Li , Tao Kong , Lu Qi , Ruihang Chu , Lei Li , Jiaya Jia

Modern CNN-based object detectors assign anchors for ground-truth objects under the restriction of object-anchor Intersection-over-Unit (IoU). In this study, we propose a learning-to-match approach to break IoU restriction, allowing objects…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Xiaosong Zhang , Fang Wan , Chang Liu , Rongrong Ji , Qixiang Ye

Object detection has been dominated by anchor-based detectors for several years. Recently, anchor-free detectors have become popular due to the proposal of FPN and Focal Loss. In this paper, we first point out that the essential difference…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Shifeng Zhang , Cheng Chi , Yongqiang Yao , Zhen Lei , Stan Z. Li

Person search aims to simultaneously localize and identify a query person from realistic, uncropped images. To achieve this goal, state-of-the-art models typically add a re-id branch upon two-stage detectors like Faster R-CNN. Owing to the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Yichao Yan , Jinpeng Li , Jie Qin , Shengcai Liao , Xiaokang Yang

Modern object detectors rely heavily on rectangular bounding boxes, such as anchors, proposals and the final predictions, to represent objects at various recognition stages. The bounding box is convenient to use but provides only a coarse…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Ze Yang , Shaohui Liu , Han Hu , Liwei Wang , Stephen Lin

Recently, anchor-free detection methods have been through great progress. The major two families, anchor-point detection and key-point detection, are at opposite edges of the speed-accuracy trade-off, with anchor-point detectors having the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Chenchen Zhu , Fangyi Chen , Zhiqiang Shen , Marios Savvides

Object detection in Unmanned Aerial Vehicle (UAV) images poses significant challenges due to complex scale variations and class imbalance among objects. Existing methods often address these challenges separately, overlooking the intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Zhenteng Li , Sheng Lian , Dengfeng Pan , Youlin Wang , Wei Liu