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Recent years have seen a rapid growth in new approaches improving the accuracy of semantic segmentation in a weakly supervised setting, i.e. with only image-level labels available for training. However, this has come at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Nikita Araslanov , Stefan Roth

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Active learning aims to address the paucity of labeled data by finding the most informative samples. However, when applying to semantic segmentation, existing methods ignore the segmentation difficulty of different semantic areas, which…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Shuai Xie , Zunlei Feng , Ying Chen , Songtao Sun , Chao Ma , Mingli Song

Since the rise of deep learning, many computer vision tasks have seen significant advancements. However, the downside of deep learning is that it is very data-hungry. Especially for segmentation problems, training a deep neural net requires…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Robby Neven , Davy Neven , Bert De Brabandere , Marc Proesmans , Toon Goedemé

Recently, significant progress has been made on semantic segmentation. However, the success of supervised semantic segmentation typically relies on a large amount of labelled data, which is time-consuming and costly to obtain. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Jianlong Yuan , Yifan Liu , Chunhua Shen , Zhibin Wang , Hao Li

Global context information is vital in visual understanding problems, especially in pixel-level semantic segmentation. The mainstream methods adopt the self-attention mechanism to model global context information. However, pixels belonging…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Yanwen Chong , Congchong Nie , Yulong Tao , Xiaoshu Chen , Shaoming Pan

This work presents a novel approach for semi-supervised semantic segmentation. The key element of this approach is our contrastive learning module that enforces the segmentation network to yield similar pixel-level feature representations…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Inigo Alonso , Alberto Sabater , David Ferstl , Luis Montesano , Ana C. Murillo

High-resolution hyperspectral images (HSIs) contain the response of each pixel in different spectral bands, which can be used to effectively distinguish various objects in complex scenes. While HSI cameras have become low cost, algorithms…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Yuxing Huang , Shaodi You , Ying Fu , Qiu Shen

Semantic segmentation, which aims to classify every pixel in an image, is a key task in machine perception, with many applications across robotics and autonomous driving. Due to the high dimensionality of this task, most existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Alex Zihao Zhu , Jieru Mei , Siyuan Qiao , Hang Yan , Yukun Zhu , Liang-Chieh Chen , Henrik Kretzschmar

Autonomous robotic systems applied to new domains require an abundance of expensive, pixel-level dense labels to train robust semantic segmentation models under full supervision. This study proposes a model-agnostic Depth Edge Alignment…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Patrick Schmidt , Vasileios Belagiannis , Lazaros Nalpantidis

When one wants to train a neural network to perform semantic segmentation, creating pixel-level annotations for each of the images in the database is a tedious task. If he works with aerial or satellite images, which are usually very large,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Adrien Nivaggioli , Hicham Randrianarivo

We focus on tackling weakly supervised semantic segmentation with scribble-level annotation. The regularized loss has been proven to be an effective solution for this task. However, most existing regularized losses only leverage static…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Bingfeng Zhang , Jimin Xiao , Yao Zhao

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Semantic instance segmentation remains a challenging task. In this work we propose to tackle the problem with a discriminative loss function, operating at the pixel level, that encourages a convolutional network to produce a representation…

Computer Vision and Pattern Recognition · Computer Science 2017-08-10 Bert De Brabandere , Davy Neven , Luc Van Gool

Semantic segmentation is an important task that helps autonomous vehicles understand their surroundings and navigate safely. During deployment, even the most mature segmentation models are vulnerable to various external factors that can…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Quazi Marufur Rahman , Niko Sünderhauf , Peter Corke , Feras Dayoub

We propose a novel deep layer cascade (LC) method to improve the accuracy and speed of semantic segmentation. Unlike the conventional model cascade (MC) that is composed of multiple independent models, LC treats a single deep model as a…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Xiaoxiao Li , Ziwei Liu , Ping Luo , Chen Change Loy , Xiaoou Tang

We present a novel semi-supervised semantic segmentation method which jointly achieves two desiderata of segmentation model regularities: the label-space consistency property between image augmentations and the feature-space contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Yuanyi Zhong , Bodi Yuan , Hong Wu , Zhiqiang Yuan , Jian Peng , Yu-Xiong Wang

We propose a method for high-performance semantic image segmentation (or semantic pixel labelling) based on very deep residual networks, which achieves the state-of-the-art performance. A few design factors are carefully considered to this…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Zifeng Wu , Chunhua Shen , Anton van den Hengel

We propose an end-to-end learning framework for segmenting generic objects in both images and videos. Given a novel image or video, our approach produces a pixel-level mask for all "object-like" regions---even for object categories never…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Bo Xiong , Suyog Dutt Jain , Kristen Grauman

Semantic segmentation is a task that traditionally requires a large dataset of pixel-level ground truth labels, which is time-consuming and expensive to obtain. Recent advancements in the weakly-supervised setting show that reasonable…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Erik Stammes , Tom F. H. Runia , Michael Hofmann , Mohsen Ghafoorian