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Semantic segmentation is a fundamental computer vision task with a vast number of applications. State of the art methods increasingly rely on deep learning models, known to incorrectly estimate uncertainty and being overconfident in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Luís Almeida , Inês Dutra , Francesco Renna

Semantic segmentation is a powerful method to facilitate visual scene understanding. Each pixel is assigned a label according to a pre-defined list of object classes and semantic entities. This becomes very useful as a means to summarize…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Marc Bosch , Gordon A. Christie , Christopher M. Gifford

Open-vocabulary semantic segmentation is a challenging task, which requires the model to output semantic masks of an image beyond a close-set vocabulary. Although many efforts have been made to utilize powerful CLIP models to accomplish…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Xiangheng Shan , Dongyue Wu , Guilin Zhu , Yuanjie Shao , Nong Sang , Changxin Gao

Incorporating pixel contextual information is critical for accurate segmentation. In this paper, we show that an effective way to incorporate contextual information is through a patch-based classifier. This patch classifier is trained to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Prantik Howlader , Srijan Das , Hieu Le , Dimitris Samaras

In previous deep-learning-based methods, semantic segmentation has been regarded as a static or dynamic per-pixel classification task, \textit{i.e.,} classify each pixel representation to a specific category. However, these methods only…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Fangjian Lin , Zhanhao Liang , Sitong Wu , Junjun He , Kai Chen , Shengwei Tian

Target-oriented sentiment classification is a fine-grained task of natural language processing to analyze the sentiment polarity of the targets. To improve the performance of sentiment classification, many approaches proposed various…

Computation and Language · Computer Science 2021-02-02 Heng Yang , Biqing Zeng

We propose an approach to discover class-specific pixels for the weakly-supervised semantic segmentation task. We show that properly combining saliency and attention maps allows us to obtain reliable cues capable of significantly boosting…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Arslan Chaudhry , Puneet K. Dokania , Philip H. S. Torr

Conventional image classifiers are trained by randomly sampling mini-batches of images. To achieve state-of-the-art performance, practitioners use sophisticated data augmentation schemes to expand the amount of training data available for…

Machine Learning · Computer Science 2021-06-23 Renkun Ni , Micah Goldblum , Amr Sharaf , Kezhi Kong , Tom Goldstein

Semantic segmentation is the task of assigning a label to each pixel in the image.In recent years, deep convolutional neural networks have been driving advances in multiple tasks related to cognition. Although, DCNNs have resulted in…

Machine Learning · Computer Science 2017-12-12 Aditya Ganeshan

The fully convolutional network (FCN) has achieved tremendous success in dense visual recognition tasks, such as scene segmentation. The last layer of FCN is typically a global classifier (1x1 convolution) to recognize each pixel to a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Changqian Yu , Yuanjie Shao , Changxin Gao , Nong Sang

Training a Convolutional Neural Network (CNN) for semantic segmentation typically requires to collect a large amount of accurate pixel-level annotations, a hard and expensive task. In contrast, simple image tags are easier to gather. With…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Carolina Redondo-Cabrera , Marcos Baptista-Ríos , Roberto J. López-Sastre

Recent works have made great progress in semantic segmentation by exploiting richer context, most of which are designed from a spatial perspective. In contrast to previous works, we present the concept of class center which extracts the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Fan Zhang , Yanqin Chen , Zhihang Li , Zhibin Hong , Jingtuo Liu , Feifei Ma , Junyu Han , Errui Ding

In this paper, we propose SemanticAC, a semantics-assisted framework for Audio Classification to better leverage the semantic information. Unlike conventional audio classification methods that treat class labels as discrete vectors, we…

Sound · Computer Science 2023-02-14 Yicheng Xiao , Yue Ma , Shuyan Li , Hantao Zhou , Ran Liao , Xiu Li

Semantic segmentation networks are usually pre-trained once and not updated during deployment. As a consequence, misclassifications commonly occur if the distribution of the training data deviates from the one encountered during the robot's…

Robotics · Computer Science 2023-02-15 Jonas Frey , Hermann Blum , Francesco Milano , Roland Siegwart , Cesar Cadena

Semantic segmentation has recently achieved notable advances by exploiting "class-level" contextual information during learning. However, these approaches simply concatenate class-level information to pixel features to boost the pixel…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Ye Huang , Di Kang , Liang Chen , Wenjing Jia , Xiangjian He , Lixin Duan , Xuefei Zhe , Linchao Bao

This paper describes a fast and accurate semantic image segmentation approach that encodes not only the discriminative features from deep neural networks, but also the high-order context compatibility among adjacent objects as well as low…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Falong Shen , Gang Zeng

This paper proposes a new active learning method for semantic segmentation. The core of our method lies in a new annotation query design. It samples informative local image regions (e.g., superpixels), and for each of such regions, asks an…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Sehyun Hwang , Sohyun Lee , Hoyoung Kim , Minhyeon Oh , Jungseul Ok , Suha Kwak

Learned Image Compression (LIC) has shown remarkable progress in recent years. Existing works commonly employ CNN-based or self-attention-based modules as transform methods for compression. However, there is no prior research on neural…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Yuxi Liu , Wenhan Yang , Huihui Bai , Yunchao Wei , Yao Zhao

We propose a novel method for semantic segmentation, the task of labeling each pixel in an image with a semantic class. Our method combines the advantages of the two main competing paradigms. Methods based on region classification offer…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Holger Caesar , Jasper Uijlings , Vittorio Ferrari

Zero padding is widely used in convolutional neural networks to prevent the size of feature maps diminishing too fast. However, it has been claimed to disturb the statistics at the border. As an alternative, we propose a context-aware (CA)…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Yu-Hui Huang , Marc Proesmans , Luc Van Gool