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Monocular depth estimation, which plays a key role in understanding 3D scene geometry, is fundamentally an ill-posed problem. Existing methods based on deep convolutional neural networks (DCNNs) have examined this problem by learning…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Huan Fu , Mingming Gong , Chaohui Wang , Dacheng Tao

A general approach for anomaly detection or novelty detection consists in estimating high density regions or Minimum Volume (MV) sets. The One-Class Support Vector Machine (OCSVM) is a state-of-the-art algorithm for estimating such regions…

机器学习 · 统计学 2015-09-01 Albert Thomas , Vincent Feuillard , Alexandre Gramfort

A Light Field (LF) camera consists of an additional two-dimensional array of micro-lenses placed between the main lens and sensor, compared to a conventional camera. The sensor pixels under each micro-lens receive light from a sub-aperture…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Suresh Nehra , Aupendu Kar , Jayanta Mukhopadhyay , Prabir Kumar Biswas

3D Gaussian Splatting (3DGS) has emerged as an efficient approach for achieving photorealistic rendering. Recent MLP-based variants further improve visual fidelity but introduce substantial decoding overhead during rendering. To alleviate…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Yuanyuan Gao , Yuning Gong , Yifei Liu , Li Jingfeng , Dingwen Zhang , Yanci Zhang , Dan Xu , Xiao Sun , Zhihang Zhong

Multispectral imaging is very beneficial in diverse applications, like healthcare and agriculture, since it can capture absorption bands of molecules in different spectral areas. A promising approach for multispectral snapshot imaging are…

图像与视频处理 · 电气工程与系统科学 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

We introduce a novel approach for depth estimation using images obtained from monocular structured light systems. In contrast to many existing methods that depend on image matching, our technique employs a density voxel grid to represent…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Zhuohang Yu , Kai Wang , Kun Huang , Juyong Zhang

Conventional training for optical flow and stereo depth models typically employs a uniform loss function across all pixels. However, this one-size-fits-all approach often overlooks the significant variations in learning difficulty among…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Jisoo Jeong , Hong Cai , Jamie Menjay Lin , Fatih Porikli

Self-supervised monocular depth estimation methods generally suffer the occlusion fading issue due to the lack of supervision by the per pixel ground truth. Although a post-processing method was proposed by Godard et. al. to reduce the…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Kuo-Shiuan Peng , Gregory Ditzler , Jerzy Rozenblit

Occlusion edge detection requires both accurate locations and context constraints of the contour. Existing CNN-based pipeline does not utilize adaptive methods to filter the noise introduced by low-level features. To address this dilemma,…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Rui Lu , Menghan Zhou , Anlong Ming , Yu Zhou

Self-supervised monocular depth estimation networks are trained to predict scene depth using nearby frames as a supervision signal during training. However, for many applications, sequence information in the form of video frames is also…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Jamie Watson , Oisin Mac Aodha , Victor Prisacariu , Gabriel Brostow , Michael Firman

Predicting accurate depth with monocular images is important for low-cost robotic applications and autonomous driving. This study proposes a comprehensive self-supervised framework for accurate scale-aware depth prediction on autonomous…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Yuxuan Liu , Zhenhua Xu , Huaiyang Huang , Lujia Wang , Ming Liu

A major challenge for matching-based depth estimation is to prevent mismatches in occlusion and smooth regions. An effective matching window satisfying three characteristics: texture richness, disparity consistency and anti-occlusion should…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Ligen Shi , Chang Liu , Di He , Xing Zhao , Jun Qiu

Image-based depth estimation has gained significant attention in recent research on computer vision for autonomous vehicles in intelligent transportation systems. This focus stems from its cost-effectiveness and wide range of potential…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Elton F. de S. Soares , Carlos Alberto V. Campos

Depth estimation plays a pivotal role in advancing human-robot interactions, especially in indoor environments where accurate 3D scene reconstruction is essential for tasks like navigation and object handling. Monocular depth estimation,…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Siddiqui Muhammad Yasir , Hyunsik Ahn

Due to its capability to identify erroneous disparity assignments in dense stereo matching, confidence estimation is beneficial for a wide range of applications, e.g. autonomous driving, which needs a high degree of confidence as mandatory…

计算机视觉与模式识别 · 计算机科学 2019-11-06 Max Mehltretter , Christian Heipke

Monocular depth estimation is a rudimentary task in robotic perception. Recently, with the development of more accurate and robust neural network models and different types of datasets, monocular depth estimation has significantly improved…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Zhichao Zheng , Henry Williams , Bruce A MacDonald

Severe occlusions of objects pose a major challenge for computer vision. We show that two root causes are (1) the loss of visible information and (2) the distracting patterns caused by the occluders. Our approach addresses both causes at…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Kay Gijzen , Gertjan J. Burghouts , Daniël M. Pelt

Depth estimation is critical in autonomous driving for interpreting 3D scenes accurately. Recently, radar-camera depth estimation has become of sufficient interest due to the robustness and low-cost properties of radar. Thus, this paper…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Huawei Sun , Hao Feng , Julius Ott , Lorenzo Servadei , Robert Wille

Depth estimation is a fundamental task in 3D geometry. While stereo depth estimation can be achieved through triangulation methods, it is not as straightforward for monocular methods, which require the integration of global and local…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jinchang Zhang , Ningning Xu , Hao Zhang , Guoyu Lu

This paper proposes a scalable and straightforward pre-training paradigm for efficient visual conceptual representation called occluded image contrastive learning (OCL). Our OCL approach is simple: we randomly mask patches to generate…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Xiaoyu Yang , Lijian Xu , Hongsheng Li , Shaoting Zhang