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Visual localization is an attractive problem that estimates the camera localization from database images based on the query image. It is a crucial task for various applications, such as autonomous vehicles, assistive navigation and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Ruiqi Cheng , Kaiwei Wang , Shufei Lin , Weijian Hu , Kailun Yang , Xiao Huang , Huabing Li , Dongming Sun , Jian Bai

Most existing learning-based methods for solving imaging inverse problems can be roughly divided into two classes: iterative algorithms, such as plug-and-play and diffusion methods leveraging pretrained denoisers, and unrolled architectures…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Matthieu Terris , Samuel Hurault , Maxime Song , Julian Tachella

Panchromatic (PAN) and multi-spectral (MS) image fusion, named Pan-sharpening, refers to super-resolve the low-resolution (LR) multi-spectral (MS) images in the spatial domain to generate the expected high-resolution (HR) MS images,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Keyu Yan , Man Zhou , Jie Huang , Feng Zhao , Chengjun Xie , Chongyi Li , Danfeng Hong

We propose Panoptic Lifting, a novel approach for learning panoptic 3D volumetric representations from images of in-the-wild scenes. Once trained, our model can render color images together with 3D-consistent panoptic segmentation from…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Yawar Siddiqui , Lorenzo Porzi , Samuel Rota Buló , Norman Müller , Matthias Nießner , Angela Dai , Peter Kontschieder

LiDAR point cloud frame interpolation, which synthesizes the intermediate frame between the captured frames, has emerged as an important issue for many applications. Especially for reducing the amounts of point cloud transmission, it is by…

Image and Video Processing · Electrical Eng. & Systems 2021-10-14 Lili Zhao , Zezhi Zhu , Xuhu Lin , Xuezhou Guo , Qian Yin , Wenyi Wang , Jianwen Chen

Three-dimensional particle reconstruction with limited two-dimensional projections is an under-determined inverse problem that the exact solution is often difficult to be obtained. In general, approximate solutions can be obtained by…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Qi Gao , Shaowu Pan , Hongping Wang , Runjie Wei , Jinjun Wang

Convolutional Neural Networks (CNNs) have been successful in solving tasks in computer vision including medical image segmentation due to their ability to automatically extract features from unstructured data. However, CNNs are sensitive to…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Minh Tran , Viet-Khoa Vo-Ho , Kyle Quinn , Hien Nguyen , Khoa Luu , Ngan Le

Face parsing is a basic task in face image analysis. It amounts to labeling each pixel with appropriate facial parts such as eyes and nose. In the paper, we present a interlinked convolutional neural network (iCNN) for solving this problem…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Yisu Zhou , Xiaolin Hu , Bo Zhang

Accurate reconstruction of arbitrary-shaped long slender continuum bodies, such as guidewires, catheters and other soft continuum manipulators, is essential for accurate mechanical simulation. However, existing image-based reconstruction…

Robotics · Computer Science 2026-03-25 Yaozhi Zhang , Shun Yu , Yugang Zhang , Yang Liu

Optical flow estimation is a basic task in self-driving and robotics systems, which enables to temporally interpret traffic scenes. Autonomous vehicles clearly benefit from the ultra-wide Field of View (FoV) offered by 360{\deg} panoramic…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Hao Shi , Yifan Zhou , Kailun Yang , Xiaoting Yin , Ze Wang , Yaozu Ye , Zhe Yin , Shi Meng , Peng Li , Kaiwei Wang

CNN visualization and interpretation methods, like class-activation maps (CAMs), are typically used to highlight the image regions linked to class predictions. These models allow to simultaneously classify images and extract class-dependent…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Diffusion models excel at 2D outpainting, but extending them to $360^\circ$ panoramic completion from unposed perspective images is challenging due to the geometric and topological mismatch between perspective projections and spherical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yuqin Lu , Haofeng Liu , Yang Zhou , Jun Liang , Shengfeng He , Jing Li

Advancements in deep learning have ignited an explosion of research on efficient hardware for embedded computer vision. Hardware vision acceleration, however, does not address the cost of capturing and processing the image data that feeds…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Mark Buckler , Suren Jayasuriya , Adrian Sampson

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Iterative projection algorithms are successfully being used as a substitute of lenses to recombine, numerically rather than optically, light scattered by illuminated objects. Images obtained computationally allow aberration-free…

Optics · Physics 2007-05-23 S. Marchesini

We report a novel generalized optical measurement system and computational approach to determine and correct aberrations in optical systems. We developed a computational imaging method capable of reconstructing an optical system's…

Image and Video Processing · Electrical Eng. & Systems 2019-01-10 Jaebum Chung , Gloria W. Martinez , Karen Lencioni , Srinivas Sadda , Changhuei Yang

Panel-scale reconfigurable photonic interconnects on a glass substrate up to 500-mm x 500-mm or larger are envisioned by proposing a novel photonic switch fabric that enables all directional panel-edge-to-panel-edge reach without the need…

Systems and Control · Electrical Eng. & Systems 2025-08-11 Tzu-Chien Hsueh , Bill Lin , Zijun Chen , Yeshaiahu Fainman

The new alternative is to use deep learning to inpaint any image by utilizing image classification and computer vision techniques. In general, image inpainting is a task of recreating or reconstructing any broken image which could be a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Narayana Darapaneni , Vaibhav Kherde , Kameswara Rao , Deepali Nikam , Swanand Katdare , Anima Shukla , Anagha Lomate , Anwesh Reddy Paduri

Dimensionality reduction plays an important role in computer vision problems since it reduces computational cost and is often capable of yielding more discriminative data representation. In this context, Partial Least Squares (PLS) has…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Artur Jordao , Maiko Lie , Victor Hugo Cunha de Melo , William Robson Schwartz

To achieve parsimonious inference in per-pixel labeling tasks with a limited computational budget, we propose a \emph{Pixel-wise Attentional Gating} unit (\emph{PAG}) that learns to selectively process a subset of spatial locations at each…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Shu Kong , Charless Fowlkes