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Feature pyramid architecture has been broadly adopted in object detection and segmentation to deal with multi-scale problem. However, in this paper we show that the capacity of the architecture has not been fully explored due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Fan Yang , Cheng Lu , Yandong Guo , Longin Jan Latecki , Haibin Ling

Feature pyramid networks (FPN) are widely exploited for multi-scale feature fusion in existing advanced object detection frameworks. Numerous previous works have developed various structures for bidirectional feature fusion, all of which…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhuofan Zong , Qianggang Cao , Biao Leng

The introduction of Feature Pyramid Network (FPN) has significantly improved object detection performance. However, substantial challenges remain in detecting tiny objects, as their features occupy only a very small proportion of the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Zican Shi , Jing Hu , Jie Ren , Hengkang Ye , Xuyang Yuan , Yan Ouyang , Jia He , Bo Ji , Junyu Guo

Convolutional neural network (CNN) has led to significant progress in object detection. In order to detect the objects in various sizes, the object detectors often exploit the hierarchy of the multi-scale feature maps called feature…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Jin Hyeok Yoo , Dongsuk Kum , Jun Won Choi

Object detection is a challenging task in remote sensing because objects only occupy a few pixels in the images, and the models are required to simultaneously learn object locations and detection. Even though the established approaches well…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Pourya Shamsolmoali , Jocelyn Chanussot , Masoumeh Zareapoor , Huiyu Zhou , Jie Yang

It is a common practice to exploit pyramidal feature representation to tackle the problem of scale variation in object instances. However, most of them still predict the objects in a certain range of scales based solely or mainly on a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Zehui Gong , Dong Li

FPN is a common component used in object detectors, it supplements multi-scale information by adjacent level features interpolation and summation. However, due to the existence of nonlinear operations and the convolutional layers with…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Jialiang Ma , Bin Chen

Recent advancements in deep neural networks have made remarkable leap-forwards in dense image prediction. However, the issue of feature alignment remains as neglected by most existing approaches for simplicity. Direct pixel addition between…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Shihua Huang , Zhichao Lu , Ran Cheng , Cheng He

Current state-of-the-art vision models often utilize feature pyramids to extract multi-scale information, with the Feature Pyramid Network (FPN) being one of the most widely used classic architectures. However, traditional FPNs and their…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Li Jiakun , Wang Qingqing , Dong Hongbin , Li Kexin

Convolutional neural networks (CNNs) have attracted increasing attention in the remote sensing community. Most CNNs only take the last fully-connected layers as features for the classification of remotely sensed images, discarding the other…

Computer Vision and Pattern Recognition · Computer Science 2016-11-14 Qingshan Liu , Renlong Hang , Huihui Song , Fuping Zhu , Javier Plaza , Antonio Plaza

This paper proposes an innovative object detector by leveraging deep features learned in high-level layers. Compared with features produced in earlier layers, the deep features are better at expressing semantic and contextual information.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Wenchi Ma , Yuanwei Wu , Feng Cen , Guanghui Wang

Due to the effective multi-scale feature fusion capabilities of the Path Aggregation FPN (PAFPN), it has become a widely adopted component in YOLO-based detectors. However, PAFPN struggles to integrate high-level semantic cues with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Zhiqiang Yang , Qiu Guan , Zhongwen Yu , Xinli Xu , Haixia Long , Sheng Lian , Haigen Hu , Ying Tang

Dense pixel matching is required for many computer vision algorithms such as disparity, optical flow or scene flow estimation. Feature Pyramid Networks (FPN) have proven to be a suitable feature extractor for CNN-based dense matching tasks.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Rishav , René Schuster , Ramy Battrawy , Oliver Wasenmüller , Didier Stricker

CNN-based object detection methods have achieved significant progress in recent years. The classic structures of CNNs produce pyramid-like feature maps due to the pooling or other re-scale operations. The feature maps in different levels of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Li Pengfei , Wei Wei , Yan Yu , Zhu Rong , Zhou Liguo

Feature pyramid networks have been widely adopted in the object detection literature to improve feature representations for better handling of variations in scale. In this paper, we present Feature Pyramid Grids (FPG), a deep multi-pathway…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Kai Chen , Yuhang Cao , Chen Change Loy , Dahua Lin , Christoph Feichtenhofer

Feature pyramid network (FPN) is one of the key components for object detectors. However, there is a long-standing puzzle for researchers that the detection performance of large-scale objects are usually suppressed after introducing FPN. To…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Zhenchao Jin , Dongdong Yu , Luchuan Song , Zehuan Yuan , Lequan Yu

The multi-scale defect detection for photovoltaic (PV) cell electroluminescence (EL) images is a challenging task, due to the feature vanishing as network deepens. To address this problem, an attention-based top-down and bottom-up…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Binyi Su , Haiyong Chen , Zhong Zhou

This paper proposes the Parallel Residual Bi-Fusion Feature Pyramid Network (PRB-FPN) for fast and accurate single-shot object detection. Feature Pyramid (FP) is widely used in recent visual detection, however the top-down pathway of FP…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Ping-Yang Chen , Ming-Ching Chang , Jun-Wei Hsieh , Yong-Sheng Chen

The Feature Pyramid Network (FPN) presents a remarkable approach to alleviate the scale variance in object representation by performing instance-level assignments. Nevertheless, this strategy ignores the distinct characteristics of…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Lin Song , Yanwei Li , Zhengkai Jiang , Zeming Li , Hongbin Sun , Jian Sun , Nanning Zheng

Feature interactions across space and scales underpin modern visual recognition systems because they introduce beneficial visual contexts. Conventionally, spatial contexts are passively hidden in the CNN's increasing receptive fields or…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Dong Zhang , Hanwang Zhang , Jinhui Tang , Meng Wang , Xiansheng Hua , Qianru Sun