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Semantic segmentation is a challenging problem due to difficulties in modeling context in complex scenes and class confusions along boundaries. Most literature either focuses on context modeling or boundary refinement, which is less…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Fangrui Zhu , Yi Zhu , Li Zhang , Chongruo Wu , Yanwei Fu , Mu Li

Visual scene decomposition into semantic entities is one of the major challenges when creating a reliable object grasping system. Recently, we introduced a bottom-up hierarchical clustering approach which is able to segment objects and…

Computer Vision and Pattern Recognition · Computer Science 2017-01-18 Dominik Alexander Klein , Boris Illing , Bastian Gaspers , Dirk Schulz , Armin Bernd Cremers

Multi-scale inference is commonly used to improve the results of semantic segmentation. Multiple images scales are passed through a network and then the results are combined with averaging or max pooling. In this work, we present an…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Andrew Tao , Karan Sapra , Bryan Catanzaro

It is always well believed that parsing an image into constituent visual patterns would be helpful for understanding and representing an image. Nevertheless, there has not been evidence in support of the idea on describing an image with a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Ting Yao , Yingwei Pan , Yehao Li , Tao Mei

Panorama images have a much larger field-of-view thus naturally encode enriched scene context information compared to standard perspective images, which however is not well exploited in the previous scene understanding methods. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Cheng Zhang , Zhaopeng Cui , Cai Chen , Shuaicheng Liu , Bing Zeng , Hujun Bao , Yinda Zhang

Scene understanding is an important capability for robots acting in unstructured environments. While most SLAM approaches provide a geometrical representation of the scene, a semantic map is necessary for more complex interactions with the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Radu Alexandru Rosu , Jan Quenzel , Sven Behnke

The ability for computational agents to reason about the high-level content of real world scene images is important for many applications. Existing attempts at addressing the problem of complex scene understanding lack representational…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Zachary A. Daniels , Dimitris N. Metaxas

In this paper, we address the semantic segmentation problem with a focus on the context aggregation strategy. Our motivation is that the label of a pixel is the category of the object that the pixel belongs to. We present a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Yuhui Yuan , Xiaokang Chen , Xilin Chen , Jingdong Wang

This paper studies the context aggregation problem in semantic image segmentation. The existing researches focus on improving the pixel representations by aggregating the contextual information within individual images. Though impressive,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Zhenchao Jin , Tao Gong , Dongdong Yu , Qi Chu , Jian Wang , Changhu Wang , Jie Shao

Structuring latent representations in a hierarchical manner enables models to learn patterns at multiple levels of abstraction. However, most prevalent image understanding models focus on visual similarity, and learning visual hierarchies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Ziwei Wang , Sameera Ramasinghe , Chenchen Xu , Julien Monteil , Loris Bazzani , Thalaiyasingam Ajanthan

Abstraction is essential for reducing the complexity of systems across diverse fields, yet designing effective abstraction methodology for probabilistic models is inherently challenging due to stochastic behaviors and uncertainties. Current…

Artificial Intelligence · Computer Science 2025-03-03 Nijesh Upreti , Vaishak Belle

In this paper, we propose a novel approach to learning semantic contextual relationships in videos for semantic object segmentation. Our algorithm derives the semantic contexts from video object proposals which encode the key evolution of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Tinghuai Wang

Open-vocabulary image segmentation aims to partition an image into semantic regions according to arbitrary text descriptions. However, complex visual scenes can be naturally decomposed into simpler parts and abstracted at multiple levels of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Xudong Wang , Shufan Li , Konstantinos Kallidromitis , Yusuke Kato , Kazuki Kozuka , Trevor Darrell

Exploiting multi-scale features has shown great potential in tackling semantic segmentation problems. The aggregation is commonly done with sum or concatenation (concat) followed by convolutional (conv) layers. However, it fully passes down…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Yechao Bai , Ziyuan Huang , Lyuyu Shen , Hongliang Guo , Marcelo H. Ang , Daniela Rus

Despite advances in indoor 3D scene layout generation, synthesizing scenes with dense object arrangements remains challenging. Existing methods focus on large furniture while neglecting smaller objects, resulting in unrealistically empty…

Graphics · Computer Science 2025-12-08 Hou In Derek Pun , Hou In Ivan Tam , Austin T. Wang , Xiaoliang Huo , Angel X. Chang , Manolis Savva

Scene parsing is challenging for unrestricted open vocabulary and diverse scenes. In this paper, we exploit the capability of global context information by different-region-based context aggregation through our pyramid pooling module…

Computer Vision and Pattern Recognition · Computer Science 2017-04-28 Hengshuang Zhao , Jianping Shi , Xiaojuan Qi , Xiaogang Wang , Jiaya Jia

Semantic Scene Completion (SSC) aims to simultaneously predict the volumetric occupancy and semantic category of a 3D scene. It helps intelligent devices to understand and interact with the surrounding scenes. Due to the high-memory…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Pingping Zhang , Wei Liu , Yinjie Lei , Huchuan Lu , Xiaoyun Yang

This paper presents a co-clustering technique that, given a collection of images and their hierarchies, clusters nodes from these hierarchies to obtain a coherent multiresolution representation of the image collection. We formalize the…

Computer Vision and Pattern Recognition · Computer Science 2015-10-19 David Varas , Mónica Alfaro , Ferran Marques

In this paper, we investigate a new framework for image classification that adaptively generates spatial representations. Our strategy is based on a sequential process that learns to explore the different regions of any image in order to…

Computer Vision and Pattern Recognition · Computer Science 2014-02-12 Gabriel Dulac-Arnold , Ludovic Denoyer , Nicolas Thome , Matthieu Cord , Patrick Gallinari

Scene parsing from images is a fundamental yet challenging problem in visual content understanding. In this dense prediction task, the parsing model assigns every pixel to a categorical label, which requires the contextual information of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-06 Litao Yu , Yongsheng Gao , Jun Zhou , Jian Zhang , Qiang Wu