Search Results for author: Zidong Cao

Found 11 papers, 1 papers with code

Dream360: Diverse and Immersive Outdoor Virtual Scene Creation via Transformer-Based 360 Image Outpainting

no code implementations19 Jan 2024 Hao Ai, Zidong Cao, Haonan Lu, Chen Chen, Jian Ma, Pengyuan Zhou, Tae-Kyun Kim, Pan Hui, Lin Wang

To this end, we propose a transformer-based 360 image outpainting framework called Dream360, which can generate diverse, high-fidelity, and high-resolution panoramas from user-selected viewports, considering the spherical properties of 360 images.

Image Outpainting

Hi-Map: Hierarchical Factorized Radiance Field for High-Fidelity Monocular Dense Mapping

no code implementations6 Jan 2024 Tongyan Hua, Haotian Bai, Zidong Cao, Ming Liu, DaCheng Tao, Lin Wang

In this paper, we introduce Hi-Map, a novel monocular dense mapping approach based on Neural Radiance Field (NeRF).

Depth Estimation

SRFNet: Monocular Depth Estimation with Fine-grained Structure via Spatial Reliability-oriented Fusion of Frames and Events

no code implementations22 Sep 2023 Tianbo Pan, Zidong Cao, Lin Wang

Firstly, we propose an attention-based interactive fusion (AIF) module that applies spatial priors of events and frames as the initial masks and learns the consensus regions to guide the inter-modal feature fusion.

Monocular Depth Estimation Robot Navigation

OmniZoomer: Learning to Move and Zoom in on Sphere at High-Resolution

no code implementations ICCV 2023 Zidong Cao, Hao Ai, Yan-Pei Cao, Ying Shan, XiaoHu Qie, Lin Wang

The M\"obius transformation is typically employed to further provide the opportunity for movement and zoom on ODIs, but applying it to the image level often results in blurry effect and aliasing problem.

FMapping: Factorized Efficient Neural Field Mapping for Real-Time Dense RGB SLAM

no code implementations1 Jun 2023 Tongyan Hua, Haotian Bai, Zidong Cao, Lin Wang

We then propose the sliding window sampler to reduce uncertainty by incorporating coherent geometric cues from observed frames during map initialization to enhance convergence.

360$^\circ$ High-Resolution Depth Estimation via Uncertainty-aware Structural Knowledge Transfer

no code implementations17 Apr 2023 Zidong Cao, Hao Ai, Athanasios V. Vasilakos, Lin Wang

Our key idea is to transfer the scene structural knowledge from the HR image modality and the corresponding LR depth maps to achieve the goal of HR depth estimation without any extra inference cost.

Monocular Depth Estimation Scene Understanding +2

Both Style and Distortion Matter: Dual-Path Unsupervised Domain Adaptation for Panoramic Semantic Segmentation

no code implementations CVPR 2023 Xu Zheng, Jinjing Zhu, Yexin Liu, Zidong Cao, Chong Fu, Lin Wang

Moreover, adversarial intra-projection training is proposed to reduce the inherent gap, between the features of the pinhole images and those of the ERP and TP images, respectively.

ERP Scene Understanding +2

HRDFuse: Monocular 360°Depth Estimation by Collaboratively Learning Holistic-with-Regional Depth Distributions

no code implementations21 Mar 2023 Hao Ai, Zidong Cao, Yan-Pei Cao, Ying Shan, Lin Wang

Depth estimation from a monocular 360{\deg} image is a burgeoning problem owing to its holistic sensing of a scene.

Depth Estimation ERP

Deep Learning for Omnidirectional Vision: A Survey and New Perspectives

1 code implementation21 May 2022 Hao Ai, Zidong Cao, Jinjing Zhu, Haotian Bai, Yucheng Chen, Lin Wang

Omnidirectional image (ODI) data is captured with a 360x180 field-of-view, which is much wider than the pinhole cameras and contains richer spatial information than the conventional planar images.

Autonomous Driving

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