English
Related papers

Related papers: ISINet: An Instance-Based Approach for Surgical In…

200 papers

Surgical instrument segmentation for robot-assisted surgery is needed for accurate instrument tracking and augmented reality overlays. Therefore, the topic has been the subject of a number of recent papers in the CAI community. Deep…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Megha Kalia , Tajwar Abrar Aleef , Nassir Navab , Septimiu E. Salcudean

Nuclei instance segmentation in pathological images is crucial for downstream tasks such as tumor microenvironment analysis. However, the high cost and scarcity of annotated data limit the applicability of fully supervised methods, while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Zenan Lin , Wei Li , Jintao Chen , Zihao Wu , Wenxiong Kang , Changxin Gao , Liansheng Wang , Jin-Gang Yu

Instance level video object segmentation is an important technique for video editing and compression. To capture the temporal coherence, in this paper, we develop MaskRNN, a recurrent neural net approach which fuses in each frame the output…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Existing Earth Vision datasets are either suitable for semantic segmentation or object detection. In this work, we introduce the first benchmark dataset for instance segmentation in aerial imagery that combines instance-level object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Syed Waqas Zamir , Aditya Arora , Akshita Gupta , Salman Khan , Guolei Sun , Fahad Shahbaz Khan , Fan Zhu , Ling Shao , Gui-Song Xia , Xiang Bai

We introduce a novel robotic system for improving unseen object instance segmentation in the real world by leveraging long-term robot interaction with objects. Previous approaches either grasp or push an object and then obtain the…

Most object-level mapping systems in use today make use of an upstream learned object instance segmentation model. If we want to teach them about a new object or segmentation class, we need to build a large dataset and retrain the system.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Nicolas Gorlo , Kenneth Blomqvist , Francesco Milano , Roland Siegwart

We present a fully convolutional neural network for segmenting ischemic stroke lesions in CT perfusion images for the ISLES 2018 challenge. Treatment of stroke is time sensitive and current standards for lesion identification require manual…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 S. Mazdak Abulnaga , Jonathan Rubin

The automatic segmentation of blood vessels in fundus images can help analyze the condition of retinal vasculature, which is crucial for identifying various systemic diseases like hypertension, diabetes, etc. Despite the success of Deep…

Image and Video Processing · Electrical Eng. & Systems 2023-04-26 Ashish Kumar , R. K. Agrawal , Leve Joseph

In order to function in unstructured environments, robots need the ability to recognize unseen objects. We take a step in this direction by tackling the problem of segmenting unseen object instances in tabletop environments. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Christopher Xie , Yu Xiang , Arsalan Mousavian , Dieter Fox

Modeling temporal information for both detection and tracking in a unified framework has been proved a promising solution to video instance segmentation (VIS). However, how to effectively incorporate the temporal information into an online…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Feng Zhu , Zongxin Yang , Xin Yu , Yi Yang , Yunchao Wei

In this paper, we propose a unified panoptic segmentation network (UPSNet) for tackling the newly proposed panoptic segmentation task. On top of a single backbone residual network, we first design a deformable convolution based semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yuwen Xiong , Renjie Liao , Hengshuang Zhao , Rui Hu , Min Bai , Ersin Yumer , Raquel Urtasun

We present a robotic system for picking a target from a pile of objects that is capable of finding and grasping the target object by removing obstacles in the appropriate order. The fundamental idea is to segment instances with both visible…

Robotics · Computer Science 2020-01-22 Kentaro Wada , Shingo Kitagawa , Kei Okada , Masayuki Inaba

Real-time tool segmentation is an essential component in computer-assisted surgical systems. We propose a novel real-time automatic method based on Fully Convolutional Networks (FCN) and optical flow tracking. Our method exploits the…

Deep learning has made significant strides in automated brain tumor segmentation from magnetic resonance imaging (MRI) scans in recent years. However, the reliability of these tools is hampered by the presence of poor-quality segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Peijie Qiu , Satrajit Chakrabarty , Phuc Nguyen , Soumyendu Sekhar Ghosh , Aristeidis Sotiras

Purpose: Accurate estimation of the position and orientation (pose) of surgical instruments is crucial for delicate minimally invasive temporal bone surgery. Current techniques lack in accuracy and/or line-of-sight constraints (conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 David Kügler , Jannik Sehring , Andrei Stefanov , Igor Stenin , Julia Kristin , Thomas Klenzner , Jörg Schipper , Anirban Mukhopadhyay

Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view. While many…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

Segmenting and recognizing surgical operation trajectories into distinct, meaningful gestures is a critical preliminary step in surgical workflow analysis for robot-assisted surgery. This step is necessary for facilitating learning from…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zhili Yuan , Jialin Lin , Dandan Zhang

Accurate medical image segmentation is of utmost importance for enabling automated clinical decision procedures. However, prevailing supervised deep learning approaches for medical image segmentation encounter significant challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Sanaz Karimijafarbigloo , Reza Azad , Amirhossein Kazerouni , Yury Velichko , Ulas Bagci , Dorit Merhof

This paper presents a comprehensive evaluation framework for image segmentation algorithms, encompassing naive methods, machine learning approaches, and deep learning techniques. We begin by introducing the fundamental concepts and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Tatiana Merkulova , Bharani Jayakumar

Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

Image and Video Processing · Electrical Eng. & Systems 2023-04-07 Sohini Roychowdhury