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Modern semantic segmentation methods devote much effect to adjusting image feature representations to improve the segmentation performance in various ways, such as architecture design, attention mechnism, etc. However, almost all those…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Jie Zhu , Huabin Huang , Banghuai Li , Leye Wang

The standard training method of Conditional Random Fields (CRFs) is very slow for large-scale applications. As an alternative, piecewise training divides the full graph into pieces, trains them independently, and combines the learned…

Machine Learning · Computer Science 2012-12-05 Zhemin Zhu , Djoerd Hiemstra , Peter Apers , Andreas Wombacher

Hierarchical multi-label classification (HMLC) is essential for modeling complex label dependencies in remote sensing. Existing methods, however, struggle with multi-path hierarchies where instances belong to multiple branches, and they…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Marjan Stoimchev , Boshko Koloski , Jurica Levatić , Dragi Kocev , Sašo Džeroski

Point cloud segmentation is the foundation of 3D environmental perception for modern intelligent systems. To solve this problem and image segmentation, conditional random fields (CRFs) are usually formulated as discrete models in label…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fei Yang , Franck Davoine , Huan Wang , Zhong Jin

Conditional random fields (CRFs) are popular discriminative models for computer vision and have been successfully applied in the domain of image restoration, especially to image denoising. For image deblurring, however, discriminative…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Uwe Schmidt , Jeremy Jancsary , Sebastian Nowozin , Stefan Roth , Carsten Rother

Image classification is one of the most important areas in computer vision. Hierarchical multi-label classification applies when a multi-class image classification problem is arranged into smaller ones based upon a hierarchy or taxonomy.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Khondaker Tasrif Noor , Antonio Robles-Kelly , Brano Kusy

Piecewise constant image approximations of sequential number of segments or clusters of disconnected pixels are treated. The method of majorizing of optimal approximation sequence by hierarchical sequence of image approximations is…

Computer Vision and Pattern Recognition · Computer Science 2013-10-02 M. Kharinov

Semantic segmentation is an important task in computer vision that is often tackled with convolutional neural networks (CNNs). A CNN learns to produce pixel-level predictions through training on pairs of images and their corresponding…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Tianyu Ma , Benjamin C. Lee , Mert R. Sabuncu

In this paper, we present new image segmentation methods based on hidden Markov random fields (HMRFs) and cuckoo search (CS) variants. HMRFs model the segmentation problem as a minimization of an energy function. CS algorithm is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 EL-Hachemi Guerrout , Ramdane Mahiou , Randa Boukabene , Assia Ouali

Context in image is crucial for scene labeling while existing methods only exploit local context generated from a small surrounding area of an image patch or a pixel, by contrast long-range and global contextual information is ignored. To…

Computer Vision and Pattern Recognition · Computer Science 2016-08-12 Heng Fan , Xue Mei , Danil Prokhorov , Haibin Ling

Modern convolutional neural networks (CNNs) are able to achieve human-level object classification accuracy on specific tasks, and currently outperform competing models in explaining complex human visual representations. However, the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Joshua C. Peterson , Paul Soulos , Aida Nematzadeh , Thomas L. Griffiths

We propose a novel method for salient object detection in different images. Our method integrates spatial features for efficient and robust representation to capture meaningful information about the salient objects. We then train a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Abdullah J. Alzahrani , Hina Afridi

Image classification is a well-studied task in computer vision, and yet it remains challenging under high-uncertainty conditions, such as when input images are corrupted or training data are limited. Conventional classification approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Omer Belhasin , Shelly Golan , Ran El-Yaniv , Michael Elad

While few-shot classification has been widely explored with similarity based methods, few-shot sequence labeling poses a unique challenge as it also calls for modeling the label dependencies. To consider both the item similarity and label…

Computation and Language · Computer Science 2019-09-10 Yutai Hou , Zhihan Zhou , Yijia Liu , Ning Wang , Wanxiang Che , Han Liu , Ting Liu

Differentiating signals from the background in micrographs is a critical initial step for cryogenic electron microscopy (cryo-EM), yet it remains laborious due to low signal-to-noise ratio (SNR), the presence of contaminants and densely…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Szu-Chi Chung , Po-Cheng Chou

Image clustering is a very useful technique that is widely applied to various areas, including remote sensing. Recently, visual representations by self-supervised learning have greatly improved the performance of image clustering. To…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Qinglin Li , Guoping Qiu

Computer Vision is growing day by day in terms of user specific applications. The first step of any such application is segmenting an image. In this paper, we propose a novel and grass-root level image segmentation algorithm for cases in…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Viraj Mavani , Ayesha Gurnani , Jhanvi Shah

For the challenging semantic image segmentation task the most efficient models have traditionally combined the structured modelling capabilities of Conditional Random Fields (CRFs) with the feature extraction power of CNNs. In more recent…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Marvin T. T. Teichmann , Roberto Cipolla

Segmental conditional random fields (SCRFs) and connectionist temporal classification (CTC) are two sequence labeling methods used for end-to-end training of speech recognition models. Both models define a transcription probability by…

Computation and Language · Computer Science 2017-06-07 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith

In this paper we introduce the problem of determining the topic that a set of images is describing, where every topic is represented as a set of words. Different from other problems like tag assignment or similar, a) we assume multiple…

Computer Vision and Pattern Recognition · Computer Science 2016-06-28 Gonzalo Vaca-Castano