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The advances in immersive technologies and 3D reconstruction have enabled the creation of digital replicas of real-world objects and environments with fine details. These processes generate vast amounts of 3D data, requiring more efficient…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ge Gao , Adrian Azzarelli , Ho Man Kwan , Nantheera Anantrasirichai , Fan Zhang , Oliver Moolan-Feroze , David Bull

Volumetric biological imaging often involves compromising high temporal resolution at the expense of high spatial resolution when popular scanning methods are used to capture 3D information. We introduce an integrated experimental and image…

Depth perception in volumetric visualization plays a crucial role in the understanding and interpretation of volumetric data. Numerous visualization techniques, many of which rely on physically based optical effects, promise to improve…

Graphics · Computer Science 2024-04-18 Žiga Lesar , Ciril Bohak , Matija Marolt

Image summary, an abridged version of the original visual content, can be used to represent the scene. Thus, tasks such as scene classification, identification, indexing, etc., can be performed efficiently using the unique summary. Saliency…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Preeti Meena , Himanshu Kumar , Sandeep Yadav

We present an approach for 3D global human mesh recovery from monocular videos recorded with dynamic cameras. Our approach is robust to severe and long-term occlusions and tracks human bodies even when they go outside the camera's field of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Ye Yuan , Umar Iqbal , Pavlo Molchanov , Kris Kitani , Jan Kautz

Neural volume rendering enables photo-realistic renderings of a human performer in free-view, a critical task in immersive VR/AR applications. But the practice is severely limited by high computational costs in the rendering process. To…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yue Chen , Xuan Wang , Xingyu Chen , Qi Zhang , Xiaoyu Li , Yu Guo , Jue Wang , Fei Wang

Robotic grasping of house-hold objects has made remarkable progress in recent years. Yet, human grasps are still difficult to synthesize realistically. There are several key reasons: (1) the human hand has many degrees of freedom (more than…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Korrawe Karunratanakul , Jinlong Yang , Yan Zhang , Michael Black , Krikamol Muandet , Siyu Tang

Image-based geometric modeling and novel view synthesis based on sparse, large-baseline samplings are challenging but important tasks for emerging multimedia applications such as virtual reality and immersive telepresence. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Wenpeng Xing , Jie Chen , Zaifeng Yang , Qiang Wang

Recently, convolutional neural networks (CNN) have obtained promising results in single-image SR for hyperspectral pansharpening. However, enhancing CNNs' representation ability with fewer parameters and a shorter prediction time is a…

Image and Video Processing · Electrical Eng. & Systems 2022-04-12 Yinao Li , Yutaro Iwamoto , Ryousuke Nakamura , Lanfen Lin , Ruofeng Tong , Yen-Wei Chen

We propose a 6D RGB-D odometry approach that finds the relative camera pose between consecutive RGB-D frames by keypoint extraction and feature matching both on the RGB and depth image planes. Furthermore, we feed the estimated pose to the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Nadia Figueroa , Haiwei Dong , Abdulmotaleb El Saddik

For robot manipulation, a complete and accurate object shape is desirable. Here, we present a method that combines visual and haptic reconstruction in a closed-loop pipeline. From an initial viewpoint, the object shape is reconstructed…

Robotics · Computer Science 2024-09-11 Lukas Rustler , Jiri Matas , Matej Hoffmann

Volumetric, multimodal imaging with precise spatial and temporal co-registration can provide valuable and complementary information for diagnosis and monitoring. Considerable research has sought to combine 3D photoacoustic (PA) and…

Compressive video capture encodes a short high-speed video into a single measurement using a low-speed sensor, then computationally reconstructs the original video. Prior implementations rely on expensive hardware and are restricted to…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Kevin Tandi , Xiang Dai , Chinmay Talegaonkar , Gal Mishne , Nick Antipa

We present RGB-D-Fusion, a multi-modal conditional denoising diffusion probabilistic model to generate high resolution depth maps from low-resolution monocular RGB images of humanoid subjects. RGB-D-Fusion first generates a low-resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Sascha Kirch , Valeria Olyunina , Jan Ondřej , Rafael Pagés , Sergio Martin , Clara Pérez-Molina

Synthesizing realistic videos of humans using neural networks has been a popular alternative to the conventional graphics-based rendering pipeline due to its high efficiency. Existing works typically formulate this as an image-to-image…

Purpose: To develop a framework to reconstruct large-scale volumetric dynamic MRI from rapid continuous and non-gated acquisitions, with applications to pulmonary and dynamic contrast enhanced (DCE) imaging. Theory and Methods: The problem…

We introduce TransformerFusion, a transformer-based 3D scene reconstruction approach. From an input monocular RGB video, the video frames are processed by a transformer network that fuses the observations into a volumetric feature grid…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Aljaž Božič , Pablo Palafox , Justus Thies , Angela Dai , Matthias Nießner

This paper presents a simple yet powerful method for 3D human mesh reconstruction from a single RGB image. Most recently, the non-local interactions of the whole mesh vertices have been effectively estimated in the transformer while the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Jeonghwan Kim , Mi-Gyeong Gwon , Hyunwoo Park , Hyukmin Kwon , Gi-Mun Um , Wonjun Kim

In volume-to-volume translations in medical images, existing models often struggle to capture the inherent volumetric distribution using 3D voxelspace representations, due to high computational dataset demands. We present Score-Fusion, a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Xiyue Zhu , Dou Hoon Kwark , Ruike Zhu , Kaiwen Hong , Yiqi Tao , Shirui Luo , Yudu Li , Zhi-Pei Liang , Volodymyr Kindratenko

Reconstructing dynamic 3D scenes from 2D images and generating diverse views over time is challenging due to scene complexity and temporal dynamics. Despite advancements in neural implicit models, limitations persist: (i) Inadequate Scene…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Zeyu Yang , Hongye Yang , Zijie Pan , Li Zhang