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Rain streaks in the air appear in various blurring degrees and resolutions due to different distances from their positions to the camera. Similar rain patterns are visible in a rain image as well as its multi-scale (or multi-resolution)…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Kui Jiang , Zhongyuan Wang , Peng Yi , Chen Chen , Baojin Huang , Yimin Luo , Jiayi Ma , Junjun Jiang

Face verification and recognition problems have seen rapid progress in recent years, however recognition from small size images remains a challenging task that is inherently intertwined with the task of face super-resolution. Tackling this…

计算机视觉与模式识别 · 计算机科学 2017-10-17 E. Ustinova , V. Lempitsky

Segmenting primary objects in a video is an important yet challenging problem in computer vision, as it exhibits various levels of foreground/background ambiguities. To reduce such ambiguities, we propose a novel formulation via exploiting…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Jia Li , Junjie Wu , Anlin Zheng , Yafei Song , Yu Zhang , Xiaowu Chen

We propose a Spatiotemporal Sampling Network (STSN) that uses deformable convolutions across time for object detection in videos. Our STSN performs object detection in a video frame by learning to spatially sample features from the adjacent…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

360{\deg} omnidirectional images have gained research attention due to their immersive and interactive experience, particularly in AR/VR applications. However, they suffer from lower angular resolution due to being captured by fisheye…

图像与视频处理 · 电气工程与系统科学 2023-04-27 Xiaopeng Sun , Weiqi Li , Zhenyu Zhang , Qiufang Ma , Xuhan Sheng , Ming Cheng , Haoyu Ma , Shijie Zhao , Jian Zhang , Junlin Li , Li Zhang

Compressed sensing MRI is a classic inverse problem in the field of computational imaging, accelerating the MR imaging by measuring less k-space data. The deep neural network models provide the stronger representation ability and faster…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Zhiwen Fan , Liyan Sun , Xinghao Ding , Yue Huang , Congbo Cai , John Paisley

Existing approaches for Structure from Motion (SfM) produce impressive 3-D reconstruction results especially when using imagery captured with large parallax. However, to create engaging video-content in movies and TV shows, the amount by…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Sheng Liu , Xiaohan Nie , Raffay Hamid

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

Video retrieval is a challenging research topic bridging the vision and language areas and has attracted broad attention in recent years. Previous works have been devoted to representing videos by directly encoding from frame-level…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Zerun Feng , Zhimin Zeng , Caili Guo , Zheng Li

In this work, we propose a novel procedure for video super-resolution, that is the recovery of a sequence of high-resolution images from its low-resolution counterpart. Our approach is based on a "sequential" model (i.e., each…

计算机视觉与模式识别 · 计算机科学 2016-02-16 Patrick Héas , Angélique Drémeau , Cédric Herzet

The panorama image can simultaneously demonstrate complete information of the surrounding environment and has many advantages in virtual tourism, games, robotics, etc. However, the progress of panorama depth estimation cannot completely…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Bo Li , Xiaowen Chu , Fei Deng

Salient object detection (SOD) aims to determine the most visually attractive objects in an image. With the development of virtual reality technology, 360{\deg} omnidirectional image has been widely used, but the SOD task in 360{\deg}…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Runmin Cong , Ke Huang , Jianjun Lei , Yao Zhao , Qingming Huang , Sam Kwong

This paper introduces a novel method to super-resolve multi-spectral images captured by modern real-time single-shot mosaic image sensors, also known as multi-spectral cameras. Our contribution is two-fold. Firstly, we super-resolve…

图像与视频处理 · 电气工程与系统科学 2019-11-07 Mehrdad Shoeiby , Sadegh Aliakbarian , Saeed Anwar , Lars Petersson

The video super-resolution (VSR) task aims to restore a high-resolution (HR) video frame by using its corresponding low-resolution (LR) frame and multiple neighboring frames. At present, many deep learning-based VSR methods rely on optical…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Hua Wang , Dewei Su , Chuangchuang Liu , Longcun Jin , Xianfang Sun , Xinyi Peng

Recently, single-image super-resolution has made great progress owing to the development of deep convolutional neural networks (CNNs). The vast majority of CNN-based models use a pre-defined upsampling operator, such as bicubic…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Xin Yang , Haiyang Mei , Jiqing Zhang , Ke Xu , Baocai Yin , Qiang Zhang , Xiaopeng Wei

Convolutional neural networks (CNNs) have demonstrated superior performance in super-resolution (SR). However, most CNN-based SR methods neglect the different importance among feature channels or fail to take full advantage of the…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Yue Lu , Yun Zhou , Zhuqing Jiang , Xiaoqiang Guo , Zixuan Yang

High-spatio-temporal resolution (HSTR) video recording plays a crucial role in enhancing various imagery tasks that require fine-detailed information. State-of-the-art cameras provide this required high frame-rate and high spatial…

计算机视觉与模式识别 · 计算机科学 2024-09-09 H. Umut Suluhan , Abdullah Enes Doruk , Hasan F. Ates , Bahadir K. Gunturk

The past few years have witnessed great success in applying deep learning to enhance the quality of compressed image/video. The existing approaches mainly focus on enhancing the quality of a single frame, ignoring the similarity between…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Ren Yang , Mai Xu , Zulin Wang , Tianyi Li

In this paper, we consider the task of space-time video super-resolution (ST-VSR), which can increase the spatial resolution and frame rate for a given video simultaneously. Despite the remarkable progress of recent methods, most of them…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Yuantong Zhang , Huairui Wang , Han Zhu , Zhenzhong Chen

As deep convolutional neural networks (DNNs) are widely used in various fields of computer vision, leveraging the overfitting ability of the DNN to achieve video resolution upscaling has become a new trend in the modern video delivery…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Gen Li , Jie Ji , Minghai Qin , Wei Niu , Bin Ren , Fatemeh Afghah , Linke Guo , Xiaolong Ma