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Object detection in aerial images is an active yet challenging task in computer vision because of the birdview perspective, the highly complex backgrounds, and the variant appearances of objects. Especially when detecting densely packed…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Jian Ding , Nan Xue , Yang Long , Gui-Song Xia , Qikai Lu

Objects for detection usually have distinct characteristics in different sub-regions and different aspect ratios. However, in prevalent two-stage object detection methods, Region-of-Interest (RoI) features are extracted by RoI pooling with…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Yao Zhai , Jingjing Fu , Yan Lu , Houqiang Li

Given the wide diffusion of deep neural network architectures for computer vision tasks, several new applications are nowadays more and more feasible. Among them, a particular attention has been recently given to instance segmentation, by…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Leonardo Rossi , Akbar Karimi , Andrea Prati

Self-attention is one of the most successful designs in deep learning, which calculates the similarity of different tokens and reconstructs the feature based on the attention matrix. Originally designed for NLP, self-attention is also…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Xutao Liang , Pinhao Song

A fingerprint region of interest (roi) segmentation algorithm is designed to separate the foreground fingerprint from the background noise. All the learning based state-of-the-art fingerprint roi segmentation algorithms proposed in the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Indu Joshi , Ayush Utkarsh , Riya Kothari , Vinod K Kurmi , Antitza Dantcheva , Sumantra Dutta Roy , Prem Kumar Kalra

The exploration of mutual-benefit cross-domains has shown great potential toward accurate self-supervised depth estimation. In this work, we revisit feature fusion between depth and semantic information and propose an efficient local…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Daitao Xing , Jinglin Shen , Chiuman Ho , Anthony Tzes

The pests captured with imaging devices may be relatively small in size compared to the entire images, and complex backgrounds have colors and textures similar to those of the pests, which hinders accurate feature extraction and makes pest…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Ga-Eun Kim , Chang-Hwan Son

Recent advancements in keypoint detection and descriptor extraction have shown impressive performance in local feature learning tasks. However, existing methods generally exhibit suboptimal performance under extreme conditions such as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jingtai He , Gehao Zhang , Tingting Liu , Songlin Du

Driver distraction behavior recognition using in-vehicle cameras demands real-time inference on edge devices. However, lightweight models often fail to capture fine-grained behavioral cues, resulting in reduced performance on unseen drivers…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Keito Inoshita

We propose a novel one-stage Transformer-based semantic and spatial refined transformer (SSRT) to solve the Human-Object Interaction detection task, which requires to localize humans and objects, and predicts their interactions. Differently…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 A S M Iftekhar , Hao Chen , Kaustav Kundu , Xinyu Li , Joseph Tighe , Davide Modolo

Conventional radar feature extraction faces limitations due to low spatial resolution, noise, multipath reflection, the presence of ghost targets, and motion blur. Such limitations can be exacerbated by nonlinear object motion, particularly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Ryoma Yataka , Pu Perry Wang , Petros Boufounos , Ryuhei Takahashi

The use of local detectors and descriptors in typical computer vision pipelines work well until variations in viewpoint and appearance change become extreme. Past research in this area has typically focused on one of two approaches to this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Udit Singh Parihar , Aniket Gujarathi , Kinal Mehta , Satyajit Tourani , Sourav Garg , Michael Milford , K. Madhava Krishna

While most steps in the modern object detection methods are learnable, the region feature extraction step remains largely hand-crafted, featured by RoI pooling methods. This work proposes a general viewpoint that unifies existing region…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Jiayuan Gu , Han Hu , Liwei Wang , Yichen Wei , Jifeng Dai

Apart from the high accuracy of machine learning models, what interests many researchers in real-life problems (e.g., fraud detection, credit scoring) is to find hidden patterns in data; particularly when dealing with their challenging…

Interactive image segmentation aims at segmenting a target region through a way of human-computer interaction. Recent works based on deep learning have achieved excellent performance, while most of them focus on improving the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Yuying Hao , Yi Liu , Juncai Peng , Haoyi Xiong , Guowei Chen , Shiyu Tang , Zeyu Chen , Baohua Lai

Video analytics demand substantial computing resources, posing significant challenges in computing resource-constrained environment. In this paper, to achieve high accuracy with acceptable computational workload, we propose a cost-effective…

Multimedia · Computer Science 2025-04-01 Chengzhi Wang , Peng Yang

Images with abnormal brain anatomy produce problems for automatic segmentation techniques, and as a result poor ROI detection affects both quantitative measurements and visual assessment of perfusion data. This paper presents a new approach…

Image and Video Processing · Electrical Eng. & Systems 2019-02-19 Svitlana M Alkhimova

Although modern object detectors rely heavily on a significant amount of training data, humans can easily detect novel objects using a few training examples. The mechanism of the human visual system is to interpret spatial relationships…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Geonuk Kim , Hong-Gyu Jung , Seong-Whan Lee

Referring image segmentation aims to produce a pixel-level mask for the image region described by a natural-language expression. Although pretrained vision-language models have improved semantic grounding, many existing methods still rely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Alaa Dalaq , Muzammil Behzad

Recently, one-stage object detectors gain much attention due to their simplicity in practice. Its fully convolutional nature greatly reduces the difficulty of training and deployment compared with two-stage detectors which require NMS and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Yuntao Chen , Chenxia Han , Naiyan Wang , Zhaoxiang Zhang
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