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The question of whether pre-training on geometric tasks is viable for downstream transfer to semantic tasks is important for two reasons, one practical and the other scientific. If the answer is positive, we may be able to reduce…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Dong Lao , Fengyu Yang , Daniel Wang , Hyoungseob Park , Samuel Lu , Alex Wong , Stefano Soatto

Self-supervised monocular depth estimation is a significant task for low-cost and efficient 3D scene perception and measurement in endoscopy. However, the variety of illumination conditions and scene features is still the primary challenges…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Liangjing Shao , Chenkang Du , Benshuang Chen , Xueli Liu , Xinrong Chen

Depth estimation from a single image is an active research topic in computer vision. The most accurate approaches are based on fully supervised learning models, which rely on a large amount of dense and high-resolution (HR) ground-truth…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Jialei Xu , Yuanchao Bai , Xianming Liu , Junjun Jiang , Xiangyang Ji

Although cameras are ubiquitous, robotic platforms typically rely on active sensors like LiDAR for direct 3D perception. In this work, we propose a novel self-supervised monocular depth estimation method combining geometry with a new deep…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Vitor Guizilini , Rares Ambrus , Sudeep Pillai , Allan Raventos , Adrien Gaidon

Monocular depth estimation is often described as an ill-posed and inherently ambiguous problem. Estimating depth from 2D images is a crucial step in scene reconstruction, 3Dobject recognition, segmentation, and detection. The problem can be…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Amlaan Bhoi

A key contributor to recent progress in 3D detection from single images is monocular depth estimation. Existing methods focus on how to leverage depth explicitly, by generating pseudo-pointclouds or providing attention cues for image…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Dennis Park , Jie Li , Dian Chen , Vitor Guizilini , Adrien Gaidon

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

Monocular image-based 3D perception has become an active research area in recent years owing to its applications in autonomous driving. Approaches to monocular 3D perception including detection and tracking, however, often yield inferior…

Depth estimation from monocular endoscopic images presents significant challenges due to the complexity of endoscopic surgery, such as irregular shapes of human soft tissues, as well as variations in lighting conditions. Existing methods…

图像与视频处理 · 电气工程与系统科学 2025-02-07 Dawei Lu , Deqiang Xiao , Danni Ai , Jingfan Fan , Tianyu Fu , Yucong Lin , Hong Song , Xujiong Ye , Lei Zhang , Jian Yang

The crux of resolving fine-grained visual classification (FGVC) lies in capturing discriminative and class-specific cues that correspond to subtle visual characteristics. Recently, frequency decomposition/transform based approaches have…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Qin Xu , Lili Zhu , Xiaoxia Cheng , Bo Jiang

Photometric loss is widely used for self-supervised depth and egomotion estimation. However, the loss landscapes induced by photometric differences are often problematic for optimization, caused by plateau landscapes for pixels in…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Chang Shu , Kun Yu , Zhixiang Duan , Kuiyuan Yang

Although recent semantic segmentation methods have made remarkable progress, they still rely on large amounts of annotated training data, which are often infeasible to collect in the autonomous driving scenario. Previous works usually…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Adriano Cardace , Luca De Luigi , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

While depth sensors are becoming increasingly popular, their spatial resolution often remains limited. Depth super-resolution therefore emerged as a solution to this problem. Despite much progress, state-of-the-art techniques suffer from…

计算机视觉与模式识别 · 计算机科学 2016-06-01 Miaomiao Liu , Mathieu Salzmann , Xuming He

Self-supervised monocular depth estimation holds significant importance in the fields of autonomous driving and robotics. However, existing methods are typically trained and tested on standard datasets, overlooking the impact of various…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Ziyang Song , Ruijie Zhu , Chuxin Wang , Jiacheng Deng , Jianfeng He , Tianzhu Zhang

Accurate real depth annotations are difficult to acquire, needing the use of special devices such as a LiDAR sensor. Self-supervised methods try to overcome this problem by processing video or stereo sequences, which may not always be…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Adrian Lopez-Rodriguez , Krystian Mikolajczyk

Depth estimation is critical for any robotic system. In the past years estimation of depth from monocular images have shown great improvement, however, in the underwater environment results are still lagging behind due to appearance changes…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Shlomi Amitai , Itzik Klein , Tali Treibitz

Monocular depth inference has gained tremendous attention from researchers in recent years and remains as a promising replacement for expensive time-of-flight sensors, but issues with scale acquisition and implementation overhead still…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Kenny Chen , Alexandra Pogue , Brett T. Lopez , Ali-akbar Agha-mohammadi , Ankur Mehta

This paper addresses the importance of full-image supervision for monocular depth estimation. We propose a semi-supervised architecture, which combines both unsupervised framework of using image consistency and supervised framework of dense…

计算机视觉与模式识别 · 计算机科学 2020-01-31 Bei Wang , Jianping An

This paper tackles the challenges of self-supervised monocular depth estimation in indoor scenes caused by large rotation between frames and low texture. We ease the learning process by obtaining coarse camera poses from monocular sequences…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Chaoqiang Zhao , Matteo Poggi , Fabio Tosi , Lei Zhou , Qiyu Sun , Yang Tang , Stefano Mattoccia

Depth estimation from monocular images is a challenging problem in computer vision. In this paper, we tackle this problem using a novel network architecture using multi scale feature fusion. Our network uses two different blocks, first…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Abhinav Sagar