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Obtaining dense 3D reconstrution with low computational cost is one of the important goals in the field of SLAM. In this paper we propose a dense 3D reconstruction framework from monocular multispectral video sequences using jointly…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Yuanhong Xu , Pei Dong , Junyu Dong , Lin Qi

We present a neural-field-based large-scale reconstruction system that fuses lidar and vision data to generate high-quality reconstructions that are geometrically accurate and capture photo-realistic textures. This system adapts the…

Robotics · Computer Science 2025-02-18 Yifu Tao , Yash Bhalgat , Lanke Frank Tarimo Fu , Matias Mattamala , Nived Chebrolu , Maurice Fallon

X-ray ptychography is one of the versatile techniques for nanometer resolution imaging. The magnitude of the diffraction patterns is recorded on a detector and the phase of the diffraction patterns is estimated using phase retrieval…

Image and Video Processing · Electrical Eng. & Systems 2021-05-21 Prasan Shedligeri , Florian Schiffers , Semih Barutcu , Pablo Ruiz , Aggelos K Katsaggelos , Oliver Cossairt

Dense 3D reconstruction has many applications in automated driving including automated annotation validation, multimodal data augmentation, providing ground truth annotations for systems lacking LiDAR, as well as enhancing auto-labeling…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Shihao Shen , Louis Kerofsky , Varun Ravi Kumar , Senthil Yogamani

The advancement of sensing technology has driven the widespread application of high-dimensional data. However, issues such as missing entries during acquisition and transmission negatively impact the accuracy of subsequent tasks. Tensor…

Image and Video Processing · Electrical Eng. & Systems 2025-04-09 Jie Yang , Chang Su , Yuhan Zhang , Jianjun Zhu , Jianli Wang

We present an improved model for MRF-based depth upsampling, guided by image- as well as 3D surface normal features. By exploiting the underlying camera model we define a novel regularization term that implicitly evaluates the planarity of…

Computational Geometry · Computer Science 2017-06-20 Sascha Wirges , Björn Roxin , Eike Rehder , Tilman Kühner , Martin Lauer

Various 3D reconstruction methods have enabled civil engineers to detect damage on a road surface. To achieve the millimetre accuracy required for road condition assessment, a disparity map with subpixel resolution needs to be used.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Rui Fan , Xiao Ai , Naim Dahnoun

3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades. While aerial imagery and LiDAR provide higher resolution, satellite imagery is cheaper and more efficient to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Bo Xu , Xu Zhang , Zhixin Li , Matt Leotta , Shih-Fu Chang , Jie Shan

Remote sensing is extensively used in cartography. As transportation networks grow and change, extracting roads automatically from satellite images is crucial to keep maps up-to-date. Synthetic Aperture Radar satellites can provide high…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Corentin Henry , Seyed Majid Azimi , Nina Merkle

We present a novel multi-view implicit surface reconstruction technique, termed StreetSurf, that is readily applicable to street view images in widely-used autonomous driving datasets, such as Waymo-perception sequences, without necessarily…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Jianfei Guo , Nianchen Deng , Xinyang Li , Yeqi Bai , Botian Shi , Chiyu Wang , Chenjing Ding , Dongliang Wang , Yikang Li

Reconstructing urban street scenes is crucial due to its vital role in applications such as autonomous driving and urban planning. These scenes are characterized by long and narrow camera trajectories, occlusion, complex object…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Xiao Cui , Weicai Ye , Yifan Wang , Guofeng Zhang , Wengang Zhou , Houqiang Li

3D reconstruction plays an increasingly important role in modern photogrammetric systems. Conventional satellite or aerial-based remote sensing (RS) platforms can provide the necessary data sources for the 3D reconstruction of large-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 San Jiang , Kan You , Yaxin Li , Duojie Weng , Wu Chen

The sparse-driven radar imaging can obtain the high-resolution images about target scene with the down-sampled data. However, the huge computational complexity of the classical sparse recovery method for the particular situation seriously…

Quantum Physics · Physics 2022-01-05 Xiaowen Liu , Chen Dong , Ying Luo , Le Kang , Yong Liu , Qun Zhang

This paper is about the efficient generation of dense, colored models of city-scale environments from range data and in particular, stereo cameras. Better maps make for better understanding; better understanding leads to better robots, but…

Computer Vision and Pattern Recognition · Computer Science 2016-04-14 Michael Tanner , Pedro Pinies , Lina Maria Paz , Paul Newman

We propose a novel method for 3D object reconstruction from a sparse set of views captured from a 360-degree calibrated camera rig. We represent the object surface through a hybrid model that uses both an MLP-based neural representation and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Llukman Cerkezi , Paolo Favaro

Monitoring space objects is crucial for space situational awareness, yet reconstructing 3D satellite models from ground-based telescope images is challenging due to atmospheric turbulence, long observation distances, limited viewpoints, and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Zhiming Chang , Boyang Liu , Yifei Xia , Youming Guo , Boxin Shi , He Sun

Tomographic synthetic aperture radar (TomoSAR) imaging algorithms based on deep learning can effectively reduce computational costs. The idea of existing researches is to reconstruct the elevation for each range-azimuth cell in…

Signal Processing · Electrical Eng. & Systems 2022-10-06 Yu Ren , Xiaoling Zhang , Yunqiao Hu , Xu Zhan

The reconstruction of textureless areas has long been a challenging problem in MVS due to lack of reliable pixel correspondences between images. In this paper, we propose the Textureless-aware Segmentation And Correlative Refinement guided…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Zhenlong Yuan , Jiakai Cao , Zhaoqi Wang , Zhaoxin Li

Recent advances in 3D Gaussian representations have significantly improved the quality and efficiency of image-based scene reconstruction. Their explicit nature facilitates real-time rendering and fast optimization, yet extracting accurate…

Neural implicit surface reconstruction using volume rendering techniques has recently achieved significant advancements in creating high-fidelity surfaces from multiple 2D images. However, current methods primarily target scenes with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Lintao Xiang , Hongpei Zheng , Bailin Deng , Hujun Yin