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Learning to predict scene depth from RGB inputs is a challenging task both for indoor and outdoor robot navigation. In this work we address unsupervised learning of scene depth and robot ego-motion where supervision is provided by monocular…

计算机视觉与模式识别 · 计算机科学 2018-11-16 Vincent Casser , Soeren Pirk , Reza Mahjourian , Anelia Angelova

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

计算机视觉与模式识别 · 计算机科学 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

We consider the task of estimating 3D human pose and shape from videos. While existing frame-based approaches have made significant progress, these methods are independently applied to each image, thereby often leading to inconsistent…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yun-Chun Chen , Marco Piccirilli , Robinson Piramuthu , Ming-Hsuan Yang

Self-supervised learning of depth map prediction and motion estimation from monocular video sequences is of vital importance -- since it realizes a broad range of tasks in robotics and autonomous vehicles. A large number of research efforts…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Ue-Hwan Kim , Jong-Hwan Kim

This paper describes recent developments in object specific pose and shape prediction from single images. The main contribution is a new approach to camera pose prediction by self-supervised learning of keypoints corresponding to locations…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Zahra Gharaee , Felix Järemo Lawin , Per-Erik Forssén

We propose a stereo vision-based approach for tracking the camera ego-motion and 3D semantic objects in dynamic autonomous driving scenarios. Instead of directly regressing the 3D bounding box using end-to-end approaches, we propose to use…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Peiliang Li , Tong Qin , Shaojie Shen

Autonomous vehicles and robots need to operate over a wide variety of scenarios in order to complete tasks efficiently and safely. Multi-camera self-supervised monocular depth estimation from videos is a promising way to reason about the…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Takayuki Kanai , Igor Vasiljevic , Vitor Guizilini , Adrien Gaidon , Rares Ambrus

We propose a novel approach for unsupervised 3D animation of non-rigid deformable objects. Our method learns the 3D structure and dynamics of objects solely from single-view RGB videos, and can decompose them into semantically meaningful…

计算机视觉与模式识别 · 计算机科学 2023-01-27 Aliaksandr Siarohin , Willi Menapace , Ivan Skorokhodov , Kyle Olszewski , Jian Ren , Hsin-Ying Lee , Menglei Chai , Sergey Tulyakov

We are concerned with a challenging scenario in unpaired multiview video learning. In this case, the model aims to learn comprehensive multiview representations while the cross-view semantic information exhibits variations. We propose…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Qitong Wang , Long Zhao , Liangzhe Yuan , Ting Liu , Xi Peng

Knowledge about the locations of keypoints of an object in an image can assist in fine-grained classification and identification tasks, particularly for the case of objects that exhibit large variations in poses that greatly influence their…

计算机视觉与模式识别 · 计算机科学 2021-01-21 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

The egocentric and exocentric viewpoints of a human activity look dramatically different, yet invariant representations to link them are essential for many potential applications in robotics and augmented reality. Prior work is limited to…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zihui Xue , Kristen Grauman

For ego-motion estimation, the feature representation of the scenes is crucial. Previous methods indicate that both the low-level and semantic feature-based methods can achieve promising results. Therefore, the incorporation of hierarchical…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Xiaochuan Yin , Chengju Liu

Recent work has shown that CNN-based depth and ego-motion estimators can be learned using unlabelled monocular videos. However, the performance is limited by unidentified moving objects that violate the underlying static scene assumption in…

计算机视觉与模式识别 · 计算机科学 2019-10-04 Jia-Wang Bian , Zhichao Li , Naiyan Wang , Huangying Zhan , Chunhua Shen , Ming-Ming Cheng , Ian Reid

Video annotation is expensive and time consuming. Consequently, datasets for multi-person pose estimation and tracking are less diverse and have more sparse annotations compared to large scale image datasets for human pose estimation. This…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Umer Rafi , Andreas Doering , Bastian Leibe , Juergen Gall

In this paper, we study the representation of the shape and pose of objects using their keypoints. Therefore, we propose an end-to-end method that simultaneously detects 2D keypoints from an image and lifts them to 3D. The proposed method…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Autonomous driving can benefit from motion behavior comprehension when interacting with diverse traffic participants in highly dynamic environments. Recently, there has been a growing interest in estimating class-agnostic motion directly…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Chenxu Luo , Xiaodong Yang , Alan Yuille

We present an unsupervised approach for learning to estimate three dimensional (3D) facial structure from a single image while also predicting 3D viewpoint transformations that match a desired pose and facial geometry. We achieve this by…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Joel Ruben Antony Moniz , Christopher Beckham , Simon Rajotte , Sina Honari , Christopher Pal

Unsupervised depth learning takes the appearance difference between a target view and a view synthesized from its adjacent frame as supervisory signal. Since the supervisory signal only comes from images themselves, the resolution of…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Junsheng Zhou , Yuwang Wang , Kaihuai Qin , Wenjun Zeng

Existing video self-supervised learning methods mainly rely on trimmed videos for model training. However, trimmed datasets are manually annotated from untrimmed videos. In this sense, these methods are not really self-supervised. In this…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Dezhao Luo , Bo Fang , Yu Zhou , Yucan Zhou , Dayan Wu , Weiping Wang

Self-supervised monocular depth estimation presents a powerful method to obtain 3D scene information from single camera images, which is trainable on arbitrary image sequences without requiring depth labels, e.g., from a LiDAR sensor. In…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Marvin Klingner , Jan-Aike Termöhlen , Jonas Mikolajczyk , Tim Fingscheidt