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We present a method to learn a diverse group of object categories from an unordered point set. We propose our Pyramid Point network, which uses a dense pyramid structure instead of the traditional 'U' shape, typically seen in semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Nina Varney , Vijayan K. Asari , Quinn Graehling

This paper introduces Progressively Diffused Networks (PDNs) for unifying multi-scale context modeling with deep feature learning, by taking semantic image segmentation as an exemplar application. Prior neural networks, such as ResNet, tend…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Ruimao Zhang , Wei Yang , Zhanglin Peng , Xiaogang Wang , Liang Lin

The primary focus of Neural Representation for Videos (NeRV) is to effectively model its spatiotemporal consistency. However, current NeRV systems often face a significant issue of spatial inconsistency, leading to decreased perceptual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Qi Zhao , M. Salman Asif , Zhan Ma

Adapting the Diffusion Probabilistic Model (DPM) for direct image super-resolution is wasteful, given that a simple Convolutional Neural Network (CNN) can recover the main low-frequency content. Therefore, we present ResDiff, a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Shuyao Shang , Zhengyang Shan , Guangxing Liu , LunQian Wang , XingHua Wang , Zekai Zhang , Jinglin Zhang

Feature pyramids are widely exploited in many detectors to solve the scale variation problem for object detection. In this paper, we first investigate the Feature Pyramid Network (FPN) architectures and briefly categorize them into three…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Tingting Liang , Yongtao Wang , Qijie Zhao , huan zhang , Zhi Tang , Haibin Ling

Recently, window-based attention methods have shown great potential for computer vision tasks, particularly in Single Image Super-Resolution (SISR). However, it may fall short in capturing long-range dependencies and relationships between…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Dinh Phu Tran , Dao Duy Hung , Daeyoung Kim

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

Classifying the sub-categories of an object from the same super-category (e.g. bird species, car and aircraft models) in fine-grained visual classification (FGVC) highly relies on discriminative feature representation and accurate region…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Yifeng Ding , Shaoguo Wen , Jiyang Xie , Dongliang Chang , Zhanyu Ma , Zhongwei Si , Haibin Ling

In the literature, coarse-to-fine or scale-recurrent approach i.e. progressively restoring a clean image from its low-resolution versions has been successfully employed for single image deblurring. However, a major disadvantage of existing…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Praveen Kandula , Rajagopalan. A. N

With the success of deep learning methods in many image processing tasks, deep learning approaches have also been introduced to the phase retrieval problem recently. These approaches are different from the traditional iterative optimization…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Qiuliang Ye , Li-Wen Wang , Daniel P. K. Lun

Monocular Metric Depth Estimation (MMDE) is essential for physically intelligent systems, yet accurate depth estimation for underrepresented classes in complex scenes remains a persistent challenge. To address this, we propose RAD, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Michael Baltaxe , Dan Levi , Sagie Benaim

In this paper, we introduce a novel deep neural network suitable for multi-scale analysis and propose efficient model-agnostic methods that help the network extract information from high-frequency domains to reconstruct clearer images. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Hyungmin Roh , Myungjoo Kang

Many hand-held or mixed reality devices are used with a single sensor for 3D reconstruction, although they often comprise multiple sensors. Multi-sensor depth fusion is able to substantially improve the robustness and accuracy of 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Erik Sandström , Martin R. Oswald , Suryansh Kumar , Silvan Weder , Fisher Yu , Cristian Sminchisescu , Luc Van Gool

While the keypoint-based maps created by sparse monocular simultaneous localisation and mapping (SLAM) systems are useful for camera tracking, dense 3D reconstructions may be desired for many robotic tasks. Solutions involving depth cameras…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Tristan Laidlow , Jan Czarnowski , Stefan Leutenegger

Classical monocular Simultaneous Localization And Mapping (SLAM) and the recently emerging convolutional neural networks (CNNs) for monocular depth prediction represent two largely disjoint approaches towards building a 3D map of the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Lokender Tiwari , Pan Ji , Quoc-Huy Tran , Bingbing Zhuang , Saket Anand , Manmohan Chandraker

Monocular depth estimation (MDE) aims to infer per-pixel depth from a single RGB image. While diffusion models have advanced MDE with impressive generalization, they often exhibit limitations in accurately reconstructing far-range regions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Mingxia Zhan , Li Zhang , Yingjie Wang , Xiaomeng Chu , Beibei Wang , Yanyong Zhang

Depth from a monocular video can enable billions of devices and robots with a single camera to see the world in 3D. In this paper, we present an approach with a differentiable flow-to-depth layer for video depth estimation. The model…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Jiaxin Xie , Chenyang Lei , Zhuwen Li , Li Erran Li , Qifeng Chen

We propose a state-of-the-art method for super-resolution with non-uniform blur. Single-image super-resolution methods seek to restore a high-resolution image from blurred, subsampled, and noisy measurements. Despite their impressive…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Charles Laroche , Andrés Almansa , Matias Tassano

In recent years, foundation models for monocular depth estimation have received increasing attention. Current methods mainly address typical daylight conditions, but their effectiveness notably decreases in low-light environments. There is…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Longjian Zeng , Zunjie Zhu , Rongfeng Lu , Ming Lu , Bolun Zheng , Chenggang Yan , Anke Xue

Nowadays, we mainly use various convolution neural network (CNN) structures to extract features from radio data or spectrogram in AMR. Based on expert experience and spectrograms, they not only increase the difficulty of preprocessing, but…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Miao Du , Qin Yu , Shaomin Fei , Chen Wang , Xiaofeng Gong , Ruisen Luo