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Compared to the general semantic segmentation problem, portrait segmentation has higher precision requirement on boundary area. However, this problem has not been well studied in previous works. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2018-04-11 Xianzhi Du , Xiaolong Wang , Dawei Li , Jingwen Zhu , Serafettin Tasci , Cameron Upright , Stephen Walsh , Larry Davis

Semantic segmentation requires both rich spatial information and sizeable receptive field. However, modern approaches usually compromise spatial resolution to achieve real-time inference speed, which leads to poor performance. In this…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Changqian Yu , Jingbo Wang , Chao Peng , Changxin Gao , Gang Yu , Nong Sang

State-of-the-art semantic or instance segmentation deep neural networks (DNNs) are usually trained on a closed set of semantic classes. As such, they are ill-equipped to handle previously-unseen objects. However, detecting and localizing…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Robin Chan , Krzysztof Lis , Svenja Uhlemeyer , Hermann Blum , Sina Honari , Roland Siegwart , Pascal Fua , Mathieu Salzmann , Matthias Rottmann

State-of-the-art results of semantic segmentation are established by Fully Convolutional neural Networks (FCNs). FCNs rely on cascaded convolutional and pooling layers to gradually enlarge the receptive fields of neurons, resulting in an…

计算机视觉与模式识别 · 计算机科学 2016-03-17 Zhicheng Yan , Hao Zhang , Yangqing Jia , Thomas Breuel , Yizhou Yu

In this paper, we present a novel neural network using multi scale feature fusion at various scales for accurate and efficient semantic image segmentation. We used ResNet based feature extractor, dilated convolutional layers in downsampling…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Abhinav Sagar , RajKumar Soundrapandiyan

In this paper, we present a comprehensive study on semantic segmentation with the Pascal VOC dataset. Here, we have to label each pixel with a class which in turn segments the entire image based on the objects/entities present. To tackle…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Sourabh Prakash , Priyanshi Shah , Ashrya Agrawal

Dynamic facial expression recognition (DFER) in the wild is an extremely challenging task, due to a large number of noisy frames in the video sequences. Previous works focus on extracting more discriminative features, but ignore…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng zhao

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…

机器学习 · 计算机科学 2017-12-12 Aditya Ganeshan

Cloud segmentation amounts to separating cloud pixels from non-cloud pixels in an image. Current deep learning methods for cloud segmentation suffer from three issues. (a) Constrain on their receptive field due to the fixed size of the…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Yijie Li , Hewei Wang , Jinfeng Xu , Puzhen Wu , Yunzhong Xiao , Shaofan Wang , Soumyabrata Dev

In this paper, we introduce a simple but quite effective recognition framework dubbed D-PCN, aiming at enhancing feature extracting ability of CNN. The framework consists of two parallel CNNs, a discriminator and an extra classifier which…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Shiqi Yang , Gang Peng

Feature fusion modules from encoder and self-attention module have been adopted in semantic segmentation. However, the computation of these modules is costly and has operational limitations in real-time environments. In addition,…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Jaehyun Park , Subin Lee , Eon Kim , Byeongjun Moon , Dabeen Yu , Yeonseung Yu , Junghwan Kim

We present a novel and flexible architecture for point cloud segmentation with dual-representation iterative learning. In point cloud processing, different representations have their own pros and cons. Thus, finding suitable ways to…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Maosheng Ye , Shuangjie Xu , Tongyi Cao , Qifeng Chen

Semantic segmentation with deep learning has achieved great progress in classifying the pixels in the image. However, the local location information is usually ignored in the high-level feature extraction by the deep learning, which is…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Yi Lu , Yaran Chen , Dongbin Zhao , Jianxin Chen

The low-level spatial detail information and high-level semantic abstract information are both essential to the semantic segmentation task. The features extracted by the deep network can obtain rich semantic information, while a lot of…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Xiaojie Fang , Xingguo Song , Xiangyin Meng , Xu Fang , Sheng Jin

Exploiting long-range contextual information is key for pixel-wise prediction tasks such as semantic segmentation. In contrast to previous work that uses multi-scale feature fusion or dilated convolutions, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Li Zhang , Xiangtai Li , Anurag Arnab , Kuiyuan Yang , Yunhai Tong , Philip H. S. Torr

In this paper, we introduce a simple but quite effective recognition framework dubbed D-PCN, aiming at enhancing feature extracting ability of CNN. The framework consists of two parallel CNNs, a discriminator and an extra classifier which…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Shiqi Yang , Gang Peng

In this paper, we focus on exploring effective methods for faster and accurate semantic segmentation. A common practice to improve the performance is to attain high-resolution feature maps with strong semantic representation. Two strategies…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Xiangtai Li , Jiangning Zhang , Yibo Yang , Guangliang Cheng , Kuiyuan Yang , Yunhai Tong , Dacheng Tao

In medical images, various types of lesions often manifest significant differences in their shape and texture. Accurate medical image segmentation demands deep learning models with robust capabilities in multi-scale and boundary feature…

图像与视频处理 · 电气工程与系统科学 2024-08-20 Zhenhuan Zhou , Along He , Yanlin Wu , Rui Yao , Xueshuo Xie , Tao Li

Despite the remarkable progress, weakly supervised segmentation approaches are still inferior to their fully supervised counterparts. We obverse the performance gap mainly comes from their limitation on learning to produce high-quality…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Yunchao Wei , Huaxin Xiao , Honghui Shi , Zequn Jie , Jiashi Feng , Thomas S. Huang

We present a technique for adding global context to deep convolutional networks for semantic segmentation. The approach is simple, using the average feature for a layer to augment the features at each location. In addition, we study several…

计算机视觉与模式识别 · 计算机科学 2015-11-23 Wei Liu , Andrew Rabinovich , Alexander C. Berg