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Automatic image segmentation technology is critical to the visual analysis. The autoencoder architecture has satisfying performance in various image segmentation tasks. However, autoencoders based on convolutional neural networks (CNN) seem…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Shiqiang Ma , Xuejian Li , Jijun Tang , Fei Guo

As generative AI progresses rapidly, new synthetic image generators continue to emerge at a swift pace. Traditional detection methods face two main challenges in adapting to these generators: the forensic traces of synthetic images from new…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Aref Azizpour , Tai D. Nguyen , Manil Shrestha , Kaidi Xu , Edward Kim , Matthew C. Stamm

Detecting spliced images is one of the emerging challenges in computer vision. Unlike prior methods that focus on detecting low-level artifacts generated during the manipulation process, we use an image retrieval approach to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Bor-Chun Chen , Zuxuan Wu , Larry S. Davis , Ser-Nam Lim

Incremental learning of semantic segmentation has emerged as a promising strategy for visual scene interpretation in the open- world setting. However, it remains challenging to acquire novel classes in an online fashion for the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Shipeng Yan , Jiale Zhou , Jiangwei Xie , Songyang Zhang , Xuming He

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network. Our proposed method, named TD-CEDN, solves two important issues in this low-level vision problem: (1) learning multi-scale and…

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 Yahui Liu , Jian Yao , Li Li , Xiaohu Lu , Jing Han

In this paper we study the problem of object detection for RGB-D images using semantically rich image and depth features. We propose a new geocentric embedding for depth images that encodes height above ground and angle with gravity for…

Computer Vision and Pattern Recognition · Computer Science 2014-07-23 Saurabh Gupta , Ross Girshick , Pablo Arbeláez , Jitendra Malik

Edge detection is a very essential part of image processing, as quality and accuracy of detection determines the success of further processing. We have developed a new self learning technique for edge detection using dictionary comprised of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-03 Nitish Chandra , Kedar Khare

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu

In this study, we tackle the challenging fine-grained edge detection task, which refers to predicting specific edges caused by reflectance, illumination, normal, and depth changes, respectively. Prior methods exploit multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Shaocong Xu , Xiaoxue Chen , Yuhang Zheng , Guyue Zhou , Yurong Chen , Hongbin Zha , Hao Zhao

Hyperspectral image (HSI) clustering groups pixels into clusters without labeled data, which is an important yet challenging task. For large-scale HSIs, most methods rely on superpixel segmentation and perform superpixel-level clustering…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Jianhan Qi , Yuheng Jia , Hui Liu , Junhui Hou

3D image segmentation plays an important role in biomedical image analysis. Many 2D and 3D deep learning models have achieved state-of-the-art segmentation performance on 3D biomedical image datasets. Yet, 2D and 3D models have their own…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Hao Zheng , Yizhe Zhang , Lin Yang , Peixian Liang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

Data-efficient image classification is a challenging task that aims to solve image classification using small training data. Neural network-based deep learning methods are effective for image classification, but they typically require…

Neural and Evolutionary Computing · Computer Science 2022-12-05 Ying Bi , Bing Xue , Mengjie Zhang

Downsampling images and labels, often necessitated by limited resources or to expedite network training, leads to the loss of small objects and thin boundaries. This undermines the segmentation network's capacity to interpret images…

Image and Video Processing · Electrical Eng. & Systems 2024-10-27 Shahzad Ali , Yu Rim Lee , Soo Young Park , Won Young Tak , Soon Ki Jung

This paper proposes a novel method which combines both median filter and simple standard deviation to accomplish an excellent edge detector for image processing. First of all, a denoising process must be applied on the grey scale image…

Computer Vision and Pattern Recognition · Computer Science 2013-04-24 Firas A. Jassim

For hyperspectral image change detection (HSI-CD), one key challenge is to reduce band redundancy, as only a few bands are crucial for change detection while other bands may be adverse to it. However, most existing HSI-CD methods directly…

Image and Video Processing · Electrical Eng. & Systems 2023-11-17 Qingren Yao , Yuan Zhou , Chang Tang , Wei Xiang

Instance-level object segmentation across disparate egocentric and exocentric views is a fundamental challenge in visual understanding, critical for applications in embodied AI and remote collaboration. This task is exceptionally difficult…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Yulu Gao , Bohao Zhang , Zongheng Tang , Jitong Liao , Wenjun Wu , Si Liu

Spectral graph convolutional neural networks (GCNNs) have been producing encouraging results in graph classification tasks. However, most spectral GCNNs utilize fixed graphs when aggregating node features, while omitting edge feature…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Yang Yi , Xuequan Lu , Shang Gao , Antonio Robles-Kelly , Yuejie Zhang

Transparent object perception remains a major challenge in computer vision research, as transparency confounds both depth estimation and semantic segmentation. Recent work has explored multi-task learning frameworks to improve robustness,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Gbenga Omotara , Ramy Farag , Seyed Mohamad Ali Tousi , G. N. DeSouza

In this paper, a novel learning paradigm is presented to automatically identify groups of informative and correlated features from very high dimensions. Specifically, we explicitly incorporate correlation measures as constraints and then…

Machine Learning · Computer Science 2012-07-03 Yiteng Zhai , Mingkui Tan , Ivor Tsang , Yew Soon Ong

In this paper, we solve three low-level pixel-wise vision problems, including salient object segmentation, edge detection, and skeleton extraction, within a unified framework. We first show some similarities shared by these tasks and then…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Jiang-Jiang Liu , Qibin Hou , Ming-Ming Cheng