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In recent years, deep learning models have revolutionized medical image interpretation, offering substantial improvements in diagnostic accuracy. However, these models often struggle with challenging images where critical features are…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Pradeep Singh , Kishore Babu Nampalle , Uppala Vivek Narayan , Balasubramanian Raman

Change detection has been a challenging visual task due to the dynamic nature of real-world scenes. Good performance of existing methods depends largely on prior background images or a long-term observation. These methods, however, suffer…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Chao Chen , Sheng Zhang , Cuibing Du

View synthesis aims to generate novel views from one or more given source views. Although existing methods have achieved promising performance, they usually require paired views of different poses to learn a pixel transformation. This paper…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Bingzheng Liu , Jianjun Lei , Bo Peng , Chuanbo Yu , Wanqing Li , Nam Ling

In agricultural automation, inherent occlusion presents a major challenge for robotic harvesting. We propose a novel imitation learning-based viewpoint planning approach to actively adjust camera viewpoint and capture unobstructed images of…

机器人学 · 计算机科学 2025-03-14 Lun Li , Hamidreza Kasaei

Light field presents a rich way to represent the 3D world by capturing the spatio-angular dimensions of the visual signal. However, the popular way of capturing light field (LF) via a plenoptic camera presents spatio-angular resolution…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Anil Kumar Vadathya , Sharath Girish , Kaushik Mitra

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

计算机视觉与模式识别 · 计算机科学 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Defocus deblurring is a challenging task due to the spatially varying nature of defocus blur. While deep learning approach shows great promise in solving image restoration problems, defocus deblurring demands accurate training data that…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Lingyan Ruan , Bin Chen , Jizhou Li , Miuling Lam

Detailed 3D reconstruction and photo-realistic relighting of digital humans are essential for various applications. To this end, we propose a novel sparse-view 3d human reconstruction framework that closely incorporates the occupancy field…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Ruichen Zheng , Peng Li , Haoqian Wang , Tao Yu

With Neural Radiance Fields (NeRFs) arising as a powerful 3D representation, research has investigated its various downstream tasks, including inpainting NeRFs with 2D images. Despite successful efforts addressing the view consistency and…

图像与视频处理 · 电气工程与系统科学 2025-04-04 Jingyu Shi , Achleshwar Luthra , Jiazhi Li , Xiang Gao , Xiyun Song , Zongfang Lin , David Gu , Heather Yu

Matching cost construction is a key step in light field (LF) depth estimation, but was rarely studied in the deep learning era. Recent deep learning-based LF depth estimation methods construct matching cost by sequentially shifting each…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Yingqian Wang , Longguang Wang , Zhengyu Liang , Jungang Yang , Wei An , Yulan Guo

We consider the problem of high-dimensional light field reconstruction and develop a learning-based framework for spatial and angular super-resolution. Many current approaches either require disparity clues or restore the spatial and…

图像与视频处理 · 电气工程与系统科学 2020-09-18 Nan Meng , Hayden K. -H. So , Xing Sun , Edmund Y. Lam

We introduce a principled approach for synthesizing new views of a scene given a single source image. Previous methods for novel view synthesis can be divided into image-based rendering methods (e.g. flow prediction) or pixel generation…

计算机视觉与模式识别 · 计算机科学 2021-01-06 Yuxin Hou , Arno Solin , Juho Kannala

Light field, as a new data representation format in multimedia, has the ability to capture both intensity and direction of light rays. However, the additional angular information also brings a large volume of data. Classical coding methods…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Henan Wang , Hanxin Zhu , Zhibo Chen

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

We present a machine learning algorithm that takes as input a 2D RGB image and synthesizes a 4D RGBD light field (color and depth of the scene in each ray direction). For training, we introduce the largest public light field dataset,…

计算机视觉与模式识别 · 计算机科学 2017-08-11 Pratul P. Srinivasan , Tongzhou Wang , Ashwin Sreelal , Ravi Ramamoorthi , Ren Ng

Neural fields have recently enjoyed great success in representing and rendering 3D scenes. However, most state-of-the-art implicit representations model static or dynamic scenes as a whole, with minor variations. Existing work on learning…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Akshay Krishnan , Amit Raj , Xianling Zhang , Alexandra Carlson , Nathan Tseng , Sandhya Sridhar , Nikita Jaipuria , James Hays

We introduce Neural Point Light Fields that represent scenes implicitly with a light field living on a sparse point cloud. Combining differentiable volume rendering with learned implicit density representations has made it possible to…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Julian Ost , Issam Laradji , Alejandro Newell , Yuval Bahat , Felix Heide

Deep learning is providing a wealth of new approaches to the problem of novel view synthesis, from Neural Radiance Field (NeRF) based approaches to end-to-end style architectures. Each approach offers specific strengths but also comes with…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Bernard Spiegl , Andrea Perin , Stéphane Deny , Alexander Ilin

We present an approach to infer a layer-structured 3D representation of a scene from a single input image. This allows us to infer not only the depth of the visible pixels, but also to capture the texture and depth for content in the scene…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Shubham Tulsiani , Richard Tucker , Noah Snavely

Commercially available light field cameras have difficulty in capturing 5D (4D + time) light field videos. They can only capture still light filed images or are excessively expensive for normal users to capture the light field video. To…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Kyuho Bae , Andre Ivan , Hajime Nagahara , In Kyu Park