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This work introduces pyramidal convolution (PyConv), which is capable of processing the input at multiple filter scales. PyConv contains a pyramid of kernels, where each level involves different types of filters with varying size and depth,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

Representing and understanding 3D environments in a structured manner is crucial for autonomous agents to navigate and reason about their surroundings. While traditional Simultaneous Localization and Mapping (SLAM) methods generate metric…

Robotics · Computer Science 2026-02-03 Albert Gassol Puigjaner , Angelos Zacharia , Kostas Alexis

Scene parsing, or semantic segmentation, consists in labeling each pixel in an image with the category of the object it belongs to. It is a challenging task that involves the simultaneous detection, segmentation and recognition of all the…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Clément Farabet , Camille Couprie , Laurent Najman , Yann LeCun

Robust environment perception for autonomous vehicles is a tremendous challenge, which makes a diverse sensor set with e.g. camera, lidar and radar crucial. In the process of understanding the recorded sensor data, 3D semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Hannah Schieber , Fabian Duerr , Torsten Schoen , Jürgen Beyerer

In the last few years, there has been a growing interest in taking advantage of the 360 panoramic images potential, while managing the new challenges they imply. While several tasks have been improved thanks to the contextual information…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Julia Guerrero-Viu , Clara Fernandez-Labrador , Cédric Demonceaux , Jose J. Guerrero

Understanding continuous human actions is a non-trivial but important problem in computer vision. Although there exists a large corpus of work in the recognition of action sequences, most approaches suffer from problems relating to vast…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Eren Erdal Aksoy , Adil Orhan , Florentin Woergoetter

Towards holistic understanding of 3D scenes, a general 3D segmentation method is needed that can segment diverse objects without restrictions on object quantity or categories, while also reflecting the inherent hierarchical structure. To…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Haiyang Ying , Yixuan Yin , Jinzhi Zhang , Fan Wang , Tao Yu , Ruqi Huang , Lu Fang

Searching for objects in indoor organized environments such as homes or offices is part of our everyday activities. When looking for a target object, we jointly reason about the rooms and containers the object is likely to be in; the same…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Andrey Kurenkov , Roberto Martín-Martín , Jeff Ichnowski , Ken Goldberg , Silvio Savarese

Scene understanding is one of the core tasks in computer vision, aiming to extract semantic information from images to identify objects, scene categories, and their interrelationships. Although advancements in Vision-Language Models (VLMs)…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Jingyao Wang , Yiming Chen , Lingyu Si , Changwen Zheng

CNN architectures have terrific recognition performance but rely on spatial pooling which makes it difficult to adapt them to tasks that require dense, pixel-accurate labeling. This paper makes two contributions: (1) We demonstrate that…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Golnaz Ghiasi , Charless C. Fowlkes

Semantic segmentation (i.e. image parsing) aims to annotate each image pixel with its corresponding semantic class label. Spatially consistent labeling of the image requires an accurate description and modeling of the local contextual…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Hasan F. Ates , Sercan Sunetci

This position paper argues for the use of \emph{structured generative models} (SGMs) for the understanding of static scenes. This requires the reconstruction of a 3D scene from an input image (or a set of multi-view images), whereby the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Christopher K. I. Williams

Whole slide images (WSIs) pose fundamental computational challenges due to their gigapixel resolution and the sparse distribution of informative regions. Existing approaches often treat image patches independently or reshape them in ways…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Weiyi Wu , Xingjian Diao , Chunhui Zhang , Chongyang Gao , Xinwen Xu , Siting Li , Jiang Gui

While deep neural networks have led to human-level performance on computer vision tasks, they have yet to demonstrate similar gains for holistic scene understanding. In particular, 3D context has been shown to be an extremely important cue…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Yinda Zhang , Mingru Bai , Pushmeet Kohli , Shahram Izadi , Jianxiong Xiao

Scene, as the crucial unit of storytelling in movies, contains complex activities of actors and their interactions in a physical environment. Identifying the composition of scenes serves as a critical step towards semantic understanding of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Anyi Rao , Linning Xu , Yu Xiong , Guodong Xu , Qingqiu Huang , Bolei Zhou , Dahua Lin

Hierarchical neural architectures are often used to capture long-distance dependencies and have been applied to many document-level tasks such as summarization, document segmentation, and sentiment analysis. However, effective usage of such…

Computation and Language · Computer Science 2019-01-29 Ming-Wei Chang , Kristina Toutanova , Kenton Lee , Jacob Devlin

State-of-the-art two-stage object detectors apply a classifier to a sparse set of object proposals, relying on region-wise features extracted by RoIPool or RoIAlign as inputs. The region-wise features, in spite of aligning well with the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Zhao-Min Chen , Xin Jin , Borui Zhao , Xiu-Shen Wei , Yanwen Guo

The recent development in multimodal learning has greatly advanced the research in 3D scene understanding in various real-world tasks such as embodied AI. However, most existing studies are facing two common challenges: 1) they are short of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xueying Jiang , Lewei Lu , Ling Shao , Shijian Lu

Assigning meaning to parts of image data is the goal of semantic image segmentation. Machine learning methods, specifically supervised learning is commonly used in a variety of tasks formulated as semantic segmentation. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lu Yin , Vlado Menkovski , Shiwei Liu , Mykola Pechenizkiy

We present a Multi-Scale Pyramidal Pooling Network, featuring a novel pyramidal pooling layer at multiple scales and a novel encoding layer. Thanks to the former the network does not require all images of a given classification task to be…

Computer Vision and Pattern Recognition · Computer Science 2012-07-10 Jonathan Masci , Ueli Meier , Gabriel Fricout , Jürgen Schmidhuber