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3D convolutional neural networks have achieved promising results for video tasks in computer vision, including video saliency prediction that is explored in this paper. However, 3D convolution encodes visual representation merely on fixed…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Ziqiang Wang , Zhi Liu , Gongyang Li , Yang Wang , Tianhong Zhang , Lihua Xu , Jijun Wang

In this work, we present an integrated system for spatiotemporal summarization of 360-degrees videos. The video summary production mainly involves the detection of salient events and their synopsis into a concise summary. The analysis…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Ioannis Kontostathis , Evlampios Apostolidis , Vasileios Mezaris

Different from salient object detection methods for still images, a key challenging for video saliency detection is how to extract and combine spatial and temporal features. In this paper, we present a novel and effective approach for…

Computer Vision and Pattern Recognition · Computer Science 2018-07-13 Guanqun Ding , Yuming Fang

360{\deg} images can provide an omnidirectional field of view which is important for stable and long-term scene perception. In this paper, we explore 360{\deg} images for visual object tracking and perceive new challenges caused by large…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Huajian Huang , Yinzhe Xu , Yingshu Chen , Sai-Kit Yeung

Video saliency prediction and detection are thriving research domains that enable computers to simulate the distribution of visual attention akin to how humans perceiving dynamic scenes. While many approaches have crafted task-specific…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Junwen Xiong , Peng Zhang , Chuanyue Li , Wei Huang , Yufei Zha , Tao You

Omnidirectional (or 360-degree) images and videos are emergent signals in many areas such as robotics and virtual/augmented reality. In particular, for virtual reality, they allow an immersive experience in which the user is provided with a…

Existing state-of-the-art saliency detection methods heavily rely on CNN-based architectures. Alternatively, we rethink this task from a convolution-free sequence-to-sequence perspective and predict saliency by modeling long-range…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Nian Liu , Ni Zhang , Kaiyuan Wan , Ling Shao , Junwei Han

In this work, we propose "tangent images," a spherical image representation that facilitates transferable and scalable $360^\circ$ computer vision. Inspired by techniques in cartography and computer graphics, we render a spherical image to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Marc Eder , Mykhailo Shvets , John Lim , Jan-Michael Frahm

Video prediction is a pixel-wise dense prediction task to infer future frames based on past frames. Missing appearance details and motion blur are still two major problems for current predictive models, which lead to image distortion and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Beibei Jin , Yu Hu , Qiankun Tang , Jingyu Niu , Zhiping Shi , Yinhe Han , Xiaowei Li

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…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Keshav Bhandari , Ziliang Zong , Yan Yan

With the emergence of VR and AR, 360{\deg} data attracts increasing attention from the computer vision and multimedia communities. Typically, 360{\deg} data is projected into 2D ERP (equirectangular projection) images for feature…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Yinjie Zhao , Lichen Zhao , Qian Yu , Jing Zhang , Lu Sheng , Dong Xu

This paper proposes a novel method for omnidirectional 360$\degree$ perception. Most common previous methods relied on equirectangular projection. This representation is easily applicable to 2D operation layers but introduces distortions…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Yaniv Benny , Lior Wolf

Unsupervised video segmentation plays an important role in a wide variety of applications from object identification to compression. However, to date, fast motion, motion blur and occlusions pose significant challenges. To address these…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Thanks to the ability of providing an immersive and interactive experience, the uptake of 360 degree image content has been rapidly growing in consumer and industrial applications. Compared to planar 2D images, saliency prediction for 360…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Pan Gao , Xinlang Chen , Rong Quan , Wei Xiang

To render a spherical (360 degree or omnidirectional) image on planar displays, a 2D image -- called as viewport -- must be obtained by projecting a sphere region on a plane, according to the users viewing direction and a predefined field…

Multimedia · Computer Science 2024-06-06 Falah Jabar , Joao Ascenso , Maria Paula Queluz

There are several formats to describe the omnidirectional images. Among them, equirectangular projection (ERP), represented as 2D image, is the most widely used format. There exist many outstanding methods capable of well predicting the…

Image and Video Processing · Electrical Eng. & Systems 2019-03-05 Bhishma Dedhia , Jui-Chiu Chiang , Yi-Fan Char

Omnidirectional and 360{\deg} images are becoming widespread in industry and in consumer society, causing omnidirectional computer vision to gain attention. Their wide field of view allows the gathering of a great amount of information…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Bruno Berenguel-Baeta , Jesus Bermudez-Cameo , Jose J. Guerrero

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…

Image and Video Processing · Electrical Eng. & Systems 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

Over the past few years, deep neural networks (DNNs) have exhibited great success in predicting the saliency of images. However, there are few works that apply DNNs to predict the saliency of generic videos. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Lai Jiang , Mai Xu , Zulin Wang

Omnidirectional or 360-degree video is being increasingly deployed, largely due to the latest advancements in immersive virtual reality (VR) and extended reality (XR) technology. However, the adoption of these videos in streaming encounters…

Image and Video Processing · Electrical Eng. & Systems 2024-03-08 Ahmed Telili , Ibrahim Farhat , Wassim Hamidouche , Hadi Amirpour