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Nowadays, panoramic images can be easily obtained by panoramic cameras. However, when the panoramic camera orientation is tilted, a non-upright panoramic image will be captured. Existing upright adjustment models focus on how to estimate…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Heyu Chen , Jianfeng Li , Shigang Li

Semantic segmentation for aerial platforms has been one of the fundamental scene understanding task for the earth observation. Most of the semantic segmentation research focused on scenes captured in nadir view, in which objects have…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Ye Lyu , George Vosselman , Gui-Song Xia , Michael Ying Yang

The growing interest in omnidirectional videos (ODVs) that capture the full field-of-view (FOV) has gained 360-degree saliency prediction importance in computer vision. However, predicting where humans look in 360-degree scenes presents…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Mert Cokelek , Nevrez Imamoglu , Cagri Ozcinar , Erkut Erdem , Aykut Erdem

Point clouds and images could provide complementary information when representing 3D objects. Fusing the two kinds of data usually helps to improve the detection results. However, it is challenging to fuse the two data modalities, due to…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Xun Tan , Xingyu Chen , Guowei Zhang , Jishiyu Ding , Xuguang Lan

Omnidirectional (or 360-degree) images are increasingly being used for 3D applications since they allow the rendering of an entire scene with a single image. Existing works based on neural radiance fields demonstrate successful 3D…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Suyoung Lee , Jaeyoung Chung , Jaeyoo Huh , Kyoung Mu Lee

In this paper, we present an attention-guided deformable convolutional network for hand-held multi-frame high dynamic range (HDR) imaging, namely ADNet. This problem comprises two intractable challenges of how to handle saturation and noise…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Zhen Liu , Wenjie Lin , Xinpeng Li , Qing Rao , Ting Jiang , Mingyan Han , Haoqiang Fan , Jian Sun , Shuaicheng Liu

Panoramic cameras, capable of capturing a 360-degree field of view, are crucial in robotic vision, particularly in environments with sparse features. However, non-upright panoramas due to unstable robot postures hinder downstream tasks.…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yuhao Shan , Qianyi Yuan , Jingguo Liu , Shigang Li , Jianfeng Li , Tong Chen

Deep Neural Network (DNN) based super-resolution algorithms have greatly improved the quality of the generated images. However, these algorithms often yield significant artifacts when dealing with real-world super-resolution problems due to…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Kangfu Mei , Shenglong Ye , Rui Huang

The feed-forward architectures of recently proposed deep super-resolution networks learn representations of low-resolution inputs, and the non-linear mapping from those to high-resolution output. However, this approach does not fully…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Muhammad Haris , Greg Shakhnarovich , Norimichi Ukita

360-degree cameras streamline data collection for radiance field 3D reconstruction by capturing comprehensive scene data. However, traditional radiance field methods do not address the specific challenges inherent to 360-degree images. We…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Huajian Huang , Yingshu Chen , Longwei Li , Hui Cheng , Tristan Braud , Yajie Zhao , Sai-Kit Yeung

Although equirectangular projection (ERP) is a convenient form to store omnidirectional images (also known as 360-degree images), it is neither equal-area nor conformal, thus not friendly to subsequent visual communication. In the context…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Mu Li , Kede Ma , Jinxing Li , David Zhang

Optical imaging is commonly used for both scientific and technological applications across industry and academia. In image sensing, a measurement, such as of an object's position, is performed by computational analysis of a digitized image.…

Prior methodologies have disregarded the diversities among distinct degradation types during image reconstruction, employing a uniform network model to handle multiple deteriorations. Nevertheless, we discover that prevalent degradation…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Weilei Wen , Chunle Guo , Wenqi Ren , Hongpeng Wang , Xiuli Shao

Omnidirectional images (ODIs) are commonly used in real-world visual tasks, and high-resolution ODIs help improve the performance of related visual tasks. Most existing super-resolution methods for ODIs use end-to-end learning strategies,…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Runyi Li , Xuhan Sheng , Weiqi Li , Jian Zhang

Recent RGB-guided depth super-resolution methods have achieved impressive performance under the assumption of fixed and known degradation (e.g., bicubic downsampling). However, in real-world scenarios, captured depth data often suffer from…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Zhengxue Wang , Zhiqiang Yan , Jinshan Pan , Guangwei Gao , Kai Zhang , Jian Yang

Omnidirectional (360-degree) video is rapidly gaining popularity due to advancements in immersive technologies like virtual reality (VR) and extended reality (XR). However, real-time streaming of such videos, especially in live mobile…

Omnidirectional images (also referred to as static 360{\deg} panoramas) impose viewing conditions much different from those of regular 2D images. How do humans perceive image distortions in immersive virtual reality (VR) environments is an…

图像与视频处理 · 电气工程与系统科学 2021-01-06 Xiangjie Sui , Kede Ma , Yiru Yao , Yuming Fang

Nowadays 360 video analysis has become a significant research topic in the field since the appearance of high-quality and low-cost 360 wearable devices. In this paper, we propose a novel LiteFlowNet360 architecture for 360 videos optical…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Keshav Bhandari , Ziliang Zong , Yan Yan

How will you repair a physical object with some missings? You may imagine its original shape from previously captured images, recover its overall (global) but coarse shape first, and then refine its local details. We are motivated to…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zhe Zhu , Liangliang Nan , Haoran Xie , Honghua Chen , Mingqiang Wei , Jun Wang , Jing Qin

A 360-degree (omni-directional) image provides an all-encompassing spherical view of a scene. Recently, there has been an increasing interest in synthesising 360-degree images from conventional narrow field of view (NFoV) images captured by…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Zhuqiang Lu , Kun Hu , Chaoyue Wang , Lei Bai , Zhiyong Wang