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This paper investigates the problem of object detection with a focus on improving both the localization accuracy of bounding boxes and explicitly modeling prediction uncertainty. Conventional detectors rely on deterministic bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Xingshu Chen , Sicheng Yu , Chong Cheng , Hao Wang , Ting Tian

DETR has set up a simple end-to-end pipeline for object detection by formulating this task as a set prediction problem, showing promising potential. Despite its notable advancements, this paper identifies two key forms of misalignment…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Zhi Cai , Songtao Liu , Guodong Wang , Zheng Ge , Xiangyu Zhang , Di Huang

We define a new bandwidth-dependent kernel density estimator that improves existing convergence rates for the bias, and preserves that of the variation, when the error is measured in $L_1$. No additional assumptions are imposed to the…

Statistics Theory · Mathematics 2016-12-28 Kairat Mynbaev , Carlos Martins-Filho

Large-scale object detection datasets (e.g., MS-COCO) try to define the ground truth bounding boxes as clear as possible. However, we observe that ambiguities are still introduced when labeling the bounding boxes. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Yihui He , Chenchen Zhu , Jianren Wang , Marios Savvides , Xiangyu Zhang

Modern detection transformers (DETRs) use a set of object queries to predict a list of bounding boxes, sort them by their classification confidence scores, and select the top-ranked predictions as the final detection results for the given…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Yifan Pu , Weicong Liang , Yiduo Hao , Yuhui Yuan , Yukang Yang , Chao Zhang , Han Hu , Gao Huang

Countless applications depend on accurate predictions with reliable confidence estimates from modern object detectors. It is well known, however, that neural networks including object detectors produce miscalibrated confidence estimates.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Johannes Gilg , Torben Teepe , Fabian Herzog , Gerhard Rigoll

The introduction of DETR represents a new paradigm for object detection. However, its decoder conducts classification and box localization using shared queries and cross-attention layers, leading to suboptimal results. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Manyuan Zhang , Guanglu Song , Yu Liu , Hongsheng Li

Existing rotated object detectors are mostly inherited from the horizontal detection paradigm, as the latter has evolved into a well-developed area. However, these detectors are difficult to perform prominently in high-precision detection…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Xue Yang , Xiaojiang Yang , Jirui Yang , Qi Ming , Wentao Wang , Qi Tian , Junchi Yan

The compressed sensing (CS) model can represent the signal recovery process of a large number of radar systems. The detection problem of such radar systems has been studied in many pieces of literature through the technology of debiased…

Signal Processing · Electrical Eng. & Systems 2023-07-03 Siqi Na , Yoshiyuki Kabashima , Takashi Takahashi , Tianyao Huang , Yimin Liu , Xiqin Wang

Existing detection methods commonly use a parameterized bounding box (BBox) to model and detect (horizontal) objects and an additional rotation angle parameter is used for rotated objects. We argue that such a mechanism has fundamental…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xue Yang , Gefan Zhang , Xiaojiang Yang , Yue Zhou , Wentao Wang , Jin Tang , Tao He , Junchi Yan

This paper presents a general scheme for enhancing the convergence and performance of DETR (DEtection TRansformer). We investigate the slow convergence problem in transformers from a new perspective, suggesting that it arises from the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Xiuquan Hou , Meiqin Liu , Senlin Zhang , Ping Wei , Badong Chen , Xuguang Lan

A new Lossy Causal Temporal Convolutional Neural Network Autoencoder for anomaly detection is proposed in this work. Our framework uses a rate-distortion loss and an entropy bottleneck to learn a compressed latent representation for the…

Machine Learning · Computer Science 2022-12-06 Christopher P. Ley , Jorge F. Silva

Long-tailed object detection faces great challenges because of its extremely imbalanced class distribution. Recent methods mainly focus on the classification bias and its loss function design, while ignoring the subtle influence of the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Ke Zhu , Minghao Fu , Jie Shao , Tianyu Liu , Jianxin Wu

The effectiveness of Object Detection, one of the central problems in computer vision tasks, highly depends on the definition of the loss function - a measure of how accurately your ML model can predict the expected outcome. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Zhora Gevorgyan

There are many settings where researchers are interested in estimating average treatment effects and are willing to rely on the unconfoundedness assumption, which requires that the treatment assignment be as good as random conditional on…

Methodology · Statistics 2018-02-02 Susan Athey , Guido W. Imbens , Stefan Wager

We present a conceptually simple, efficient, and general framework for localization problems in DETR-like models. We add plugins to well-trained models instead of inefficiently designing new models and training them from scratch. The…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yiqun Chen , Qiang Chen , Peize Sun , Shoufa Chen , Jingdong Wang , Jian Cheng

Bounding box regression is an important component in object detection. Recent work achieves promising performance by optimizing the Intersection over Union~(IoU). However, IoU-based loss has the gradient vanish problem in the case of low…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Tu Zheng , Shuai Zhao , Yang Liu , Zili Liu , Deng Cai

LiDAR 3D object detection models are inevitably biased towards their training dataset. The detector clearly exhibits this bias when employed on a target dataset, particularly towards object sizes. However, object sizes vary heavily between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Dušan Malić , Christian Fruhwirth-Reisinger , Horst Possegger , Horst Bischof

In this study, we investigate the bias and variance properties of the debiased Lasso in linear regression when the tuning parameter of the node-wise Lasso is selected to be smaller than in previous studies. We consider the case where the…

Statistics Theory · Mathematics 2022-08-19 Akira Shinkyu , Naoya Sueishi

The DETR object detection approach applies the transformer encoder and decoder architecture to detect objects and achieves promising performance. In this paper, we present a simple approach to address the main problem of DETR, the slow…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Seyed Mehdi Iranmanesh , Xiaotong Chen , Kuo-Chin Lien
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