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Scene flow is a description of real world motion in 3D that contains more information than optical flow. Because of its complexity there exists no applicable variant for real-time scene flow estimation in an automotive or commercial vehicle…

计算机视觉与模式识别 · 计算机科学 2018-06-22 René Schuster , Christian Bailer , Oliver Wasenmüller , Didier Stricker

In this paper, we focus on designing effective method for fast and accurate scene parsing. A common practice to improve the performance is to attain high resolution feature maps with strong semantic representation. Two strategies are widely…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Xiangtai Li , Ansheng You , Zhen Zhu , Houlong Zhao , Maoke Yang , Kuiyuan Yang , Yunhai Tong

State-of-the-art scene flow algorithms pursue the conflicting targets of accuracy, run time, and robustness. With the successful concept of pixel-wise matching and sparse-to-dense interpolation, we push the limits of scene flow estimation.…

计算机视觉与模式识别 · 计算机科学 2019-10-30 René Schuster , Oliver Wasenmüller , Christian Unger , Georg Kuschk , Didier Stricker

Scene text recognition has drawn great attentions in the community of computer vision and artificial intelligence due to its challenges and wide applications. State-of-the-art recurrent neural networks (RNN) based models map an input…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Yi-Chao Wu , Fei Yin , Xu-Yao Zhang , Li Liu , Cheng-Lin Liu

Scene flow estimation is the task of describing 3D motion between temporally successive observations. This thesis aims to build the foundation for building scene flow estimators with two important properties: they are scalable, i.e. they…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Kyle Vedder

Normalizing flows (NFs) provide exact likelihoods and deterministic invertible sampling, but have historically lagged behind diffusion models for large-scale image generation. We identify a key obstacle: NFs are required to learn a single…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Longtao Jiang , Jianmin Bao , Zhendong Wang , Xin Tao , Pengfei Wan , Zhihui Li , Xiaojun Chang

We revisit Semantic Scene Completion (SSC), a useful task to predict the semantic and occupancy representation of 3D scenes, in this paper. A number of methods for this task are always based on voxelized scene representations for keeping…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Xiaokang Chen , Jiaxiang Tang , Jingbo Wang , Gang Zeng

When interacting with highly dynamic environments, scene flow allows autonomous systems to reason about the non-rigid motion of multiple independent objects. This is of particular interest in the field of autonomous driving, in which many…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Himangi Mittal , Brian Okorn , David Held

As the scene information, including objectness and scene type, are important for people with visual impairment, in this work we present a multi-task efficient perception system for the scene parsing and recognition tasks. Building on the…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Yingzhi Zhang , Haoye Chen , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

Autonomous driving systems require a comprehensive understanding of the environment, achieved by extracting visual features essential for perception, planning, and control. However, models trained solely on single-task objectives or generic…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Huy-Dung Nguyen , Anass Bairouk , Mirjana Maras , Wei Xiao , Tsun-Hsuan Wang , Patrick Chareyre , Ramin Hasani , Marc Blanchon , Daniela Rus

Scene recognition based on deep-learning has made significant progress, but there are still limitations in its performance due to challenges posed by inter-class similarities and intra-class dissimilarities. Furthermore, prior research has…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Amirhossein Aminimehr , Amirali Molaei , Erik Cambria

We study the underexplored but fundamental vision problem of machine understanding of abstract freehand scene sketches. We introduce a sketch encoder that results in semantically-aware feature space, which we evaluate by testing its…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Ahmed Bourouis , Judith Ellen Fan , Yulia Gryaditskaya

We present a system for 3D semantic scene perception consisting of a network of distributed smart edge sensors. The sensor nodes are based on an embedded CNN inference accelerator and RGB-D and thermal cameras. Efficient vision CNN models…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Simon Bultmann , Sven Behnke

Visual cognition of the indoor environment can benefit from the spatial layout estimation, which is to represent an indoor scene with a 2D box on a monocular image. In this paper, we propose to fully exploit the edge and semantic…

计算机视觉与模式识别 · 计算机科学 2019-01-04 Weidong Zhang , Wei Zhang , Jason Gu

Existing weakly supervised semantic segmentation (WSSS) methods usually utilize the results of pre-trained saliency detection (SD) models without explicitly modeling the connections between the two tasks, which is not the most efficient…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Yu Zeng , Yunzhi Zhuge , Huchuan Lu , Lihe Zhang

Capsule networks (CapsNets) have recently shown promise to excel in most computer vision tasks, especially pertaining to scene understanding. In this paper, we explore CapsNet's capabilities in optical flow estimation, a task at which…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Vinoj Jayasundara , Debaditya Roy , Basura Fernando

LiDAR-based semantic segmentation is critical in the fields of robotics and autonomous driving as it provides a comprehensive understanding of the scene. This paper proposes a lightweight and efficient projection-based semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Ben Ding

We propose a new multi-frame method for efficiently computing scene flow (dense depth and optical flow) and camera ego-motion for a dynamic scene observed from a moving stereo camera rig. Our technique also segments out moving objects from…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Tatsunori Taniai , Sudipta N. Sinha , Yoichi Sato

Data analysis in the Internet of Things (IoT) requires us to combine event streams from a huge amount of sensors. This combination (join) of events is usually based on the time stamps associated with the events. We address two challenges in…

数据库 · 计算机科学 2019-12-11 Jonas Traub , Julius Hülsmann , Sebastian Breß , Tilmann Rabl , Volker Markl

Scene flow estimation, which extracts point-wise motion between scenes, is becoming a crucial task in many computer vision tasks. However, all of the existing estimation methods utilize only the unidirectional features, restricting the…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Wencan Cheng , Jong Hwan Ko