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Connected component analysis (CCA) has been heavily used to label binary images and classify segments. However, it has not been well-exploited to segment multi-valued natural images. This work proposes a novel multi-value segmentation…

Computer Vision and Pattern Recognition · Computer Science 2014-02-12 Dibyendu Mukherjee

Detecting text located on the torsos of marathon runners and sports players in video is a challenging issue due to poor quality and adverse effects caused by flexible/colorful clothing, and different structures of human bodies or actions.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Sauradip Nag , Palaiahnakote Shivakumara , Umapada Pal , Tong Lu , Michael Blumenstein

Image segmentation is a concept that is often used for object detection. This detection has difficulty detecting objects with backgrounds that have many colors and even have a color similar to the object being detected. This study aims to…

Image and Video Processing · Electrical Eng. & Systems 2021-05-26 Shoffan Saifullah , Andiko Putro Suryotomo , Bambang Yuwono

Segmenting unseen objects in cluttered scenes is an important skill that robots need to acquire in order to perform tasks in new environments. In this work, we propose a new method for unseen object instance segmentation by learning RGB-D…

Robotics · Computer Science 2021-03-04 Yu Xiang , Christopher Xie , Arsalan Mousavian , Dieter Fox

We propose a simple yet effective method to learn to segment new indoor scenes from video frames: State-of-the-art methods trained on one dataset, even as large as the SUNRGB-D dataset, can perform poorly when applied to images that are not…

Computer Vision and Pattern Recognition · Computer Science 2020-01-09 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

While image segmentation is crucial in various computer vision applications, such as autonomous driving, grasping, and robot navigation, annotating all objects at the pixel-level for training is nearly impossible. Therefore, the study of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Cuong Manh Hoang , Byeongkeun Kang

In recent years, recognition of text from natural scene image and video frame has got increased attention among the researchers due to its various complexities and challenges. Because of low resolution, blurring effect, complex background,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ayan Kumar Bhunia , Gautam Kumar , Partha Pratim Roy , R. Balasubramanian , Umapada Pal

In this paper, we propose a novel approach for text classification based on clustering word embeddings, inspired by the bag of visual words model, which is widely used in computer vision. After each word in a collection of documents is…

Computation and Language · Computer Science 2017-07-26 Andrei M. Butnaru , Radu Tudor Ionescu

With the advancement in image capturing device, the image data been generated at high volume. If images are analyzed properly, they can reveal useful information to the human users. Content based image retrieval address the problem of…

Computer Vision and Pattern Recognition · Computer Science 2009-10-13 Sanjay Silakari , Mahesh Motwani , Manish Maheshwari

We present an efficient and scalable algorithm for segmenting 3D RGBD point clouds by combining depth, color, and temporal information using a multistage, hierarchical graph-based approach. Our algorithm processes a moving window over…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Steven Hickson , Stan Birchfield , Irfan Essa , Henrik Christensen

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

Video semantic segmentation is active in recent years benefited from the great progress of image semantic segmentation. For such a task, the per-frame image segmentation is generally unacceptable in practice due to high computation cost. To…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Jiafan Zhuang , Zilei Wang , Bingke Wang

We explore the efficiency of the CRF inference beyond image level semantic segmentation and perform joint inference in video frames. The key idea is to combine best of two worlds: semantic co-labeling and more expressive models. Our…

Computer Vision and Pattern Recognition · Computer Science 2015-09-09 Subarna Tripathi , Serge Belongie , Youngbae Hwang , Truong Nguyen

This work proposes a self-supervised learning system for segmenting rigid objects in RGB images. The proposed pipeline is trained on unlabeled RGB-D videos of static objects, which can be captured with a camera carried by a mobile robot. A…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shiyang Lu , Yunfu Deng , Abdeslam Boularias , Kostas Bekris

We propose a novel agglomerative clustering method based on unmasking, a technique that was previously used for authorship verification of text documents and for abnormal event detection in videos. In order to join two clusters, we…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Mariana-Iuliana Georgescu , Radu Tudor Ionescu

Video instance segmentation is a complex task in which we need to detect, segment, and track each object for any given video. Previous approaches only utilize single-frame features for the detection, segmentation, and tracking of objects…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Yang Fu , Linjie Yang , Ding Liu , Thomas S. Huang , Humphrey Shi

Recent approaches for fast semantic video segmentation have reduced redundancy by warping feature maps across adjacent frames, greatly speeding up the inference phase. However, the accuracy drops seriously owing to the errors incurred by…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Songyuan Li , Junyi Feng , Xi Li

Recent years have seen remarkable progress in semantic segmentation. Yet, it remains a challenging task to apply segmentation techniques to video-based applications. Specifically, the high throughput of video streams, the sheer cost of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Yule Li , Jianping Shi , Dahua Lin

A major challenge for video semantic segmentation is the lack of labeled data. In most benchmark datasets, only one frame of a video clip is annotated, which makes most supervised methods fail to utilize information from the rest of the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Mingyu Ding , Zhe Wang , Bolei Zhou , Jianping Shi , Zhiwu Lu , Ping Luo

The performance of image segmentation highly relies on the original inputting image. When the image is contaminated by some noises or blurs, we can not obtain the efficient segmentation result by using direct segmentation methods. In order…

Optimization and Control · Mathematics 2016-05-31 Baoli Shi , Zhi-Feng Pang , Jing Xu