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A deep learning approach to blind denoising of images without complete knowledge of the noise statistics is considered. We propose DN-ResNet, which is a deep convolutional neural network (CNN) consisting of several residual blocks…

Image and Video Processing · Electrical Eng. & Systems 2019-04-12 Haoyu Ren , Mostafa El-Khamy , Jungwon Lee

We propose a new cascaded architecture for novel view synthesis, called RGBD-Net, which consists of two core components: a hierarchical depth regression network and a depth-aware generator network. The former one predicts depth maps of the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Phong Nguyen-Ha , Animesh Karnewar , Lam Huynh , Esa Rahtu , Jiri Matas , Janne Heikkila

Deep Learning based stereo matching methods have shown great successes and achieved top scores across different benchmarks. However, like most data-driven methods, existing deep stereo matching networks suffer from some well-known drawbacks…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Yiran Zhong , Hongdong Li , Yuchao Dai

We propose 3DSmoothNet, a full workflow to match 3D point clouds with a siamese deep learning architecture and fully convolutional layers using a voxelized smoothed density value (SDV) representation. The latter is computed per interest…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Zan Gojcic , Caifa Zhou , Jan D. Wegner , Andreas Wieser

We address multiview stereo (MVS), an important 3D vision task that reconstructs a 3D model such as a dense point cloud from multiple calibrated images. We propose CER-MVS (Cascaded Epipolar RAFT Multiview Stereo), a new approach based on…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Zeyu Ma , Zachary Teed , Jia Deng

We present Uncertainty-aware Cascaded Stereo Network (UCS-Net) for 3D reconstruction from multiple RGB images. Multi-view stereo (MVS) aims to reconstruct fine-grained scene geometry from multi-view images. Previous learning-based MVS…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Shuo Cheng , Zexiang Xu , Shilin Zhu , Zhuwen Li , Li Erran Li , Ravi Ramamoorthi , Hao Su

We propose a novel recurrent network-based HDR deghosting method for fusing arbitrary length dynamic sequences. The proposed method uses convolutional and recurrent architectures to generate visually pleasing, ghosting-free HDR images. We…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 K. Ram Prabhakar , Susmit Agrawal , R. Venkatesh Babu

We propose an embarrassingly simple but very effective scheme for high-quality dense stereo reconstruction: (i) generate an approximate reconstruction with your favourite stereo matcher; (ii) rewarp the input images with that approximate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Corinne Stucker , Konrad Schindler

In this paper, we introduce a deep multi-view stereo (MVS) system that jointly predicts depths, surface normals and per-view confidence maps. The key to our approach is a novel solver that iteratively solves for per-view depth map and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Wang Zhao , Shaohui Liu , Yi Wei , Hengkai Guo , Yong-Jin Liu

Limited view tomographic reconstruction aims to reconstruct a tomographic image from a limited number of sinogram or projection views arising from sparse view or limited angle acquisitions that reduce radiation dose or shorten scanning…

Image and Video Processing · Electrical Eng. & Systems 2020-09-04 Bo Zhou , S. Kevin Zhou , James S. Duncan , Chi Liu

Retinal vessel segmentation plays an imaportant role in the field of retinal image analysis because changes in retinal vascular structure can aid in the diagnosis of diseases such as hypertension and diabetes. In recent research, numerous…

Image and Video Processing · Electrical Eng. & Systems 2020-04-09 Changlu Guo , Márton Szemenyei , Yugen Yi , Ying Xue , Wei Zhou , Yangyuan Li

Self-supervised depth learning from monocular images normally relies on the 2D pixel-wise photometric relation between temporally adjacent image frames. However, they neither fully exploit the 3D point-wise geometric correspondences, nor…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Kaichen Zhou , Lanqing Hong , Changhao Chen , Hang Xu , Chaoqiang Ye , Qingyong Hu , Zhenguo Li

Single image deraining task is still a very challenging task due to its ill-posed nature in reality. Recently, researchers have tried to fix this issue by training the CNN-based end-to-end models, but they still cannot extract the negative…

Image and Video Processing · Electrical Eng. & Systems 2019-08-29 Yanyan Wei , Zhao Zhang , Haijun Zhang , Richang Hong , Meng Wang

Deep convolutional neural networks (CNNs) for image denoising can effectively exploit rich hierarchical features and have achieved great success. However, many deep CNN-based denoising models equally utilize the hierarchical features of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Wencong Wu , An Ge , Guannan Lv , Yuelong Xia , Yungang Zhang , Wen Xiong

Recovering an outdoor environment's surface mesh is vital for an agricultural robot during task planning and remote visualization. Our proposed solution is based on a newly-designed panoramic stereo camera along with a hybrid novel software…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Can Pu , Chuanyu Yang , Jinnian Pu , Radim Tylecek , Robert B. Fisher

One of the most successful approaches in Multi-View Stereo estimates a depth map and a normal map for each view via PatchMatch-based optimization and fuses them into a consistent 3D points cloud. This approach relies on photo-consistency to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Andrea Romanoni , Matteo Matteucci

Depth from defocus (DfD) and stereo matching are two most studied passive depth sensing schemes. The techniques are essentially complementary: DfD can robustly handle repetitive textures that are problematic for stereo matching whereas…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Zhang Chen , Xinqing Guo , Siyuan Li , Xuan Cao , Jingyi Yu

We present PatchmatchNet, a novel and learnable cascade formulation of Patchmatch for high-resolution multi-view stereo. With high computation speed and low memory requirement, PatchmatchNet can process higher resolution imagery and is more…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Fangjinhua Wang , Silvano Galliani , Christoph Vogel , Pablo Speciale , Marc Pollefeys

Purpose: The goal of this study is to develop a novel deep learning (DL) based reconstruction framework to improve the digital breast tomosynthesis (DBT) imaging performance. Methods: In this work, the DIR-DBTnet is developed for DBT image…

Medical Physics · Physics 2021-06-09 Ting Su , Xiaolei Deng , Zhenwei Wang , Jiecheng Yang , Jianwei Chen , Hairong Zheng , Dong Liang , Yongshuai Ge

Efficient and accurate 3D reconstruction is crucial for various applications, including augmented and virtual reality, medical imaging, and cinematic special effects. While traditional Multi-View Stereo (MVS) systems have been fundamental…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Umair Haroon , Ahmad AlMughrabi , Ricardo Marques , Petia Radeva
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