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Deep learning based methods have achieved impressive results in many applications for image-based diet assessment such as food classification and food portion size estimation. However, existing methods only focus on one task at a time,…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Jiangpeng He , Zeman Shao , Janine Wright , Deborah Kerr , Carol Boushey , Fengqing Zhu

One of the key elements of reconstructing a 3D mesh from a monocular video is generating every frame's depth map. However, in the application of colonoscopy video reconstruction, producing good-quality depth estimation is challenging.…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Yubo Zhang , Jan-Michael Frahm , Samuel Ehrenstein , Sarah K. McGill , Julian G. Rosenman , Shuxian Wang , Stephen M. Pizer

The task of reconstructing detailed 3D human body models from images is interesting but challenging in computer vision due to the high freedom of human bodies. In order to tackle the problem, we propose a coarse-to-fine method to…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Zhongguo Li , Magnus Oskarsson , Anders Heyden

Monocular depth prediction plays a crucial role in understanding 3D scene geometry. Although recent methods have achieved impressive progress in evaluation metrics such as the pixel-wise relative error, most methods neglect the geometric…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Wei Yin , Yifan Liu , Chunhua Shen , Youliang Yan

We introduce MetricHMSR, a novel framework for recovering metric human meshes and 3D scenes from a single monocular image. Existing methods struggle to recover metric scale due to monocular scale ambiguity and weak-perspective camera…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Chentao Song , He Zhang , Haolei Yuan , Haozhe Lin , Jianhua Tao , Hongwen Zhang , Tao Yu

Reconstructing 3D objects from 2D images is both challenging for our brains and machine learning algorithms. To support this spatial reasoning task, contextual information about the overall shape of an object is critical. However, such…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Dominik J. E. Waibel , Scott Atwell , Matthias Meier , Carsten Marr , Bastian Rieck

Monocular 3D scene reconstruction has recently seen significant progress. Powered by the modern neural architectures and large-scale data, recent methods achieve high performance in depth estimation from a single image. Meanwhile,…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Junaid Ahmed Ansari , Ran Ding , Fabio Pizzati , Ivan Laptev

In this paper, we propose a scale-aware method for inserting virtual objects with proper sizes into monocular videos. To tackle the scale ambiguity problem of geometry recovery from monocular videos, we estimate the global scale objects in…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Songhai Zhang , Xiangli Li , Yingtian Liu , Hongbo Fu

The recent development of \emph{foundation models} for monocular depth estimation such as Depth Anything paved the way to zero-shot monocular depth estimation. Since it returns an affine-invariant disparity map, the favored technique to…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Rémi Marsal , Alexandre Chapoutot , Philippe Xu , David Filliat

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Recovering 3D full-body human pose is a challenging problem with many applications. It has been successfully addressed by motion capture systems with body worn markers and multiple cameras. In this paper, we address the more challenging…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Xiaowei Zhou , Menglong Zhu , Georgios Pavlakos , Spyridon Leonardos , Kostantinos G. Derpanis , Kostas Daniilidis

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

Dense depth estimation from a single image is a key problem in computer vision, with exciting applications in a multitude of robotic tasks. Initially viewed as a direct regression problem, requiring annotated labels as supervision at…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Vitor Guizilini , Jie Li , Rares Ambrus , Sudeep Pillai , Adrien Gaidon

Existing monocular depth estimation methods have achieved excellent robustness in diverse scenes, but they can only retrieve affine-invariant depth, up to an unknown scale and shift. However, in some video-based scenarios such as video…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Guangkai Xu , Wei Yin , Hao Chen , Chunhua Shen , Kai Cheng , Feng Wu , Feng Zhao

As processing power has become more available, more human-like artificial intelligences are created to solve image processing tasks that we are inherently good at. As such we propose a model that estimates depth from a monocular image. Our…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Fabian Truetsch , Alfred Schöttl

3D detection is a critical task that enables machines to identify and locate objects in three-dimensional space. It has a broad range of applications in several fields, including autonomous driving, robotics and augmented reality. Monocular…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Aakash Kumar , Chen Chen , Ajmal Mian , Neils Lobo , Mubarak Shah

We present the first method for real-time full body capture that estimates shape and motion of body and hands together with a dynamic 3D face model from a single color image. Our approach uses a new neural network architecture that exploits…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Yuxiao Zhou , Marc Habermann , Ikhsanul Habibie , Ayush Tewari , Christian Theobalt , Feng Xu

We present MonoPSR, a monocular 3D object detection method that leverages proposals and shape reconstruction. First, using the fundamental relations of a pinhole camera model, detections from a mature 2D object detector are used to generate…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Jason Ku , Alex D. Pon , Steven L. Waslander

We present a novel method to learn temporally consistent 3D reconstruction of clothed people from a monocular video. Recent methods for 3D human reconstruction from monocular video using volumetric, implicit or parametric human shape…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Akin Caliskan , Armin Mustafa , Adrian Hilton

3D object detection from monocular images is an ill-posed problem due to the projective entanglement of depth and scale. To overcome this ambiguity, we present a novel self-supervised method for textured 3D shape reconstruction and pose…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Deniz Beker , Hiroharu Kato , Mihai Adrian Morariu , Takahiro Ando , Toru Matsuoka , Wadim Kehl , Adrien Gaidon