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Fully convolutional networks (FCN) has significantly improved the performance of many pixel-labeling tasks, such as semantic segmentation and depth estimation. However, it still remains non-trivial to thoroughly utilize the multi-level…

计算机视觉与模式识别 · 计算机科学 2018-12-05 Yunzhi Zhuge , Pingping Zhang , Huchuan Lu

Dense image prediction tasks demand features with strong category information and precise spatial boundary details at high resolution. To achieve this, modern hierarchical models often utilize feature fusion, directly adding upsampled…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Linwei Chen , Ying Fu , Lin Gu , Chenggang Yan , Tatsuya Harada , Gao Huang

Indoor scenes are usually characterized by scattered objects and their relationships, which turns the indoor scene classification task into a challenging computer vision task. Despite the significant performance boost in classification…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Ricardo Pereira , Luís Garrote , Tiago Barros , Ana Lopes , Urbano J. Nunes

Deep learning based methods, such as Convolution Neural Network (CNN), have demonstrated their efficiency in hyperspectral image (HSI) classification. These methods can automatically learn spectral-spatial discriminative features within…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Yu Shen , Sijie Zhu , Chen Chen , Qian Du , Liang Xiao , Jianyu Chen , Delu Pan

As a unique classification scheme for urban forms and functions, the local climate zone (LCZ) system provides essential general information for any studies related to urban environments, especially on a large scale. Remote sensing…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Chunping Qiu , Xiaochong Tong , Michael Schmitt , Benjamin Bechtel , Xiao Xiang Zhu

We propose a novel scene-segmentation-based exposure compensation method for multi-exposure image fusion (MEF) based tone mapping. The aim of MEF-based tone mapping is to display high dynamic range (HDR) images on devices with limited…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yuma Kinoshita , Hitoshi Kiya

Image decomposition is a crucial subject in the field of image processing. It can extract salient features from the source image. We propose a new image decomposition method based on convolutional neural network. This method can be applied…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Yu Fu , Xiao-Jun Wu , Josef Kittler

Scene understanding based on LiDAR point cloud is an essential task for autonomous cars to drive safely, which often employs spherical projection to map 3D point cloud into multi-channel 2D images for semantic segmentation. Most existing…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Aoran Xiao , Xiaofei Yang , Shijian Lu , Dayan Guan , Jiaxing Huang

The single image super-resolution(SISR) algorithms under deep learning currently have two main models, one based on convolutional neural networks and the other based on Transformer. The former uses the stacking of convolutional layers with…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Li Ke , Liu Yukai

Image fusion methods and metrics for their evaluation have conventionally used pixel-based or low-level features. However, for many applications, the aim of image fusion is to effectively combine the semantic content of the input images.…

计算机视觉与模式识别 · 计算机科学 2021-10-14 P. R. Hill , D. R. Bull

In this paper, we propose a method using a three dimensional convolutional neural network (3-D-CNN) to fuse together multispectral (MS) and hyperspectral (HS) images to obtain a high resolution hyperspectral image. Dimensionality reduction…

计算机视觉与模式识别 · 计算机科学 2017-06-21 Frosti Palsson , Johannes R. Sveinsson , Magnus O. Ulfarsson

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

This paper addresses the problem of large-scale image retrieval. We propose a two-layer fusion method which takes advantage of global and local cues and ranks database images from coarse to fine (C2F). Departing from the previous methods…

多媒体 · 计算机科学 2016-07-05 Gaipeng Kong , Le Dong , Wenpu Dong , Liang Zheng , Qi Tian

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Photometric stereo is a technique aimed at determining surface normals through the utilization of shading cues derived from images taken under different lighting conditions. However, existing learning-based approaches often fail to…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Shiyu Qin , Zhihao Cai , Kaixuan Wang , Lin Qi , Junyu Dong

The rapid evolution of Generative AI (GenAI) models has led to synthetic images of unprecedented realism, challenging traditional methods for distinguishing them from natural photographs. While existing detectors often rely on…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Abderrezzaq Sendjasni , Mohamed-Chaker Larabi

Hyperspectral imagery is rich in spatial and spectral information. Using 3D-CNN can simultaneously acquire features of spatial and spectral dimensions to facilitate classification of features, but hyperspectral image information spectral…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Guandong Li , Chunju Zhang

Single image dehazing is a challenging ill-posed problem that has drawn significant attention in the last few years. Recently, convolutional neural networks have achieved great success in image dehazing. However, it is still difficult for…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Qiaosi Yi , Juncheng Li , Faming Fang , Aiwen Jiang , Guixu Zhang

Advanced visual localization techniques encompass image retrieval challenges and 6 Degree-of-Freedom (DoF) camera pose estimation, such as hierarchical localization. Thus, they must extract global and local features from input images.…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Wenzheng Song , Ran Yan , Boshu Lei , Takayuki Okatani

A critical challenge to image-text retrieval is how to learn accurate correspondences between images and texts. Most existing methods mainly focus on coarse-grained correspondences based on co-occurrences of semantic objects, while failing…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Guoliang Wang , Yanlei Shang , Yong Chen