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The combined use of multiple modalities enables accurate pedestrian detection under poor lighting conditions by using the high visibility areas from these modalities together. The vital assumption for the combination use is that there is no…

Computer Vision and Pattern Recognition · Computer Science 2021-07-26 Napat Wanchaitanawong , Masayuki Tanaka , Takashi Shibata , Masatoshi Okutomi

Anchor-based detectors have been continuously developed for object detection. However, the individual anchor box makes it difficult to predict the boundary's offset accurately. Instead of taking each bounding box as a closed individual, we…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Yilong Lv , Min Li , Yujie He , Shaopeng Li , Zhuzhen He , Aitao Yang

The availability of many real-world driving datasets is a key reason behind the recent progress of object detection algorithms in autonomous driving. However, there exist ambiguity or even failures in object labels due to error-prone…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Di Feng , Zining Wang , Yiyang Zhou , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer , Masayoshi Tomizuka , Wei Zhan

Object detection and classification in 3D is a key task in Automated Driving (AD). LiDAR sensors are employed to provide the 3D point cloud reconstruction of the surrounding environment, while the task of 3D object bounding box detection in…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Waleed Ali , Sherif Abdelkarim , Mohamed Zahran , Mahmoud Zidan , Ahmad El Sallab

Locating an object in a sequence of frames, given its appearance in the first frame of the sequence, is a hard problem that involves many stages. Usually, state-of-the-art methods focus on bringing novel ideas in the visual encoding or…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Omar Abdelaziz , Mohamed Sami Shehata

Since many safety-critical systems, such as surgical robots and autonomous driving cars operate in unstable environments with sensor noise and incomplete data, it is desirable for object detectors to take the localization uncertainty into…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Youngwan Lee , Joong-won Hwang , Hyung-Il Kim , Kimin Yun , Yongjin Kwon , Yuseok Bae , Sung Ju Hwang

Learning accurate object detectors often requires large-scale training data with precise object bounding boxes. However, labeling such data is expensive and time-consuming. As the crowd-sourcing labeling process and the ambiguities of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Chengxin Liu , Kewei Wang , Hao Lu , Zhiguo Cao , Ziming Zhang

Most existing point cloud based 3D object detectors focus on the tasks of classification and box regression. However, another bottleneck in this area is achieving an accurate detection confidence for the Non-Maximum Suppression (NMS)…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Jiale Li , Shujie Luo , Ziqi Zhu , Hang Dai , Andrey S. Krylov , Yong Ding , Ling Shao

Ensemble methods are a reliable way to combine several models to achieve superior performance. However, research on the application of ensemble methods in the remote sensing object detection scenario is mostly overlooked. Two problems…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Haoning Lin , Changhao Sun , Yunpeng Liu

General-purpose object-detection algorithms often dismiss the fine structure of detected objects. This can be traced back to how their proposed regions are evaluated. Our goal is to renegotiate the trade-off between the generality of these…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Azim Ahmadzadeh , Dustin J. Kempton , Yang Chen , Rafal A. Angryk

Object detection is a typical multi-task learning application, which optimizes classification and regression simultaneously. However, classification loss always dominates the multi-task loss in anchor-based methods, hampering the consistent…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Wenxin Yu , Xueling Shen , Jiajie Hu , Dong Yin

Previous work shows that humans tend to prefer large bounding boxes over small bounding boxes with the same IoU. However, we show here that commonly used object detectors predict large and small boxes equally often. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Ombretta Strafforello , Osman S. Kayhan , Oana Inel , Klamer Schutte , Jan van Gemert

Most recent multispectral object detectors employ a two-branch structure to extract features from RGB and thermal images. While the two-branch structure achieves better performance than a single-branch structure, it overlooks inference…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Xue Zhang , Si-Yuan Cao , Fang Wang , Runmin Zhang , Zhe Wu , Xiaohan Zhang , Xiaokai Bai , Hui-Liang Shen

Training Single-Image Super-Resolution (SISR) models using pixel-based regression losses can achieve high distortion metrics scores (e.g., PSNR and SSIM), but often results in blurry images due to insufficient recovery of high-frequency…

Image and Video Processing · Electrical Eng. & Systems 2024-09-10 Qiwen Zhu , Yanjie Wang , Shilv Cai , Liqun Chen , Jiahuan Zhou , Luxin Yan , Sheng Zhong , Xu Zou

A recent approach for object detection and human pose estimation is to regress bounding boxes or human keypoints from a central point on the object or person. While this center-point regression is simple and efficient, we argue that the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Fangyun Wei , Xiao Sun , Hongyang Li , Jingdong Wang , Stephen Lin

Optimization over the Stiefel manifold $\mathrm{St}(p,d)$, the set of $p \times d$ column-orthonormal matrices, is fundamental in statistics, machine learning, and scientific computing, yet remains challenging in the presence of non-convex,…

Optimization and Control · Mathematics 2026-05-07 Beomchang Kim , Subhrajyoty Roy , Priyam Das

3D ultrasound (US) can facilitate detailed prenatal examinations for fetal growth monitoring. To analyze a 3D US volume, it is fundamental to identify anatomical landmarks of the evaluated organs accurately. Typical deep learning methods…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Chaoyu Chen , Xin Yang , Ruobing Huang , Wenlong Shi , Shengfeng Liu , Mingrong Lin , Yuhao Huang , Yong Yang , Yuanji Zhang , Huanjia Luo , Yankai Huang , Yi Xiong , Dong Ni

Conventional training for optical flow and stereo depth models typically employs a uniform loss function across all pixels. However, this one-size-fits-all approach often overlooks the significant variations in learning difficulty among…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Jisoo Jeong , Hong Cai , Jamie Menjay Lin , Fatih Porikli

The data loss caused by unreliable network seriously impacts the results of remote visual SLAM systems. From our experiment, a loss of less than 1 second of data can cause a visual SLAM algorithm to lose tracking. We present a novel…

Robotics · Computer Science 2022-02-24 Yu-Ping Wang , Zi-Xin Zou , Cong Wang , Yue-Jiang Dong , Lei Qiao , Dinesh Manocha

Automatic detection of firearms is important for enhancing the security and safety of people, however, it is a challenging task owing to the wide variations in shape, size, and appearance of firearms. Also, most of the generic object…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Javed Iqbal , Muhammad Akhtar Munir , Arif Mahmood , Afsheen Rafaqat Ali , Mohsen Ali
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