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Robot-assisted surgeries rely on accurate and real-time scene understanding to safely guide surgical instruments. However, segmentation models trained on static datasets face key limitations when deployed in these dynamic and evolving…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Julia Hindel , Ema Mekic , Enamundram Naga Karthik , Rohit Mohan , Daniele Cattaneo , Maria Kalweit , Abhinav Valada

We introduce a novel superpoint-based transformer architecture for efficient semantic segmentation of large-scale 3D scenes. Our method incorporates a fast algorithm to partition point clouds into a hierarchical superpoint structure, which…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Damien Robert , Hugo Raguet , Loic Landrieu

Surgical image segmentation is essential for robot-assisted surgery and intraoperative guidance. However, existing methods are constrained to predefined categories, produce one-shot predictions without adaptive refinement, and lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Ange Lou , Yamin Li , Qi Chang , Nan Xi , Luyuan Xie , Zichao Li , Tianyu Luan

Medical image segmentation faces critical challenges in semi-supervised learning scenarios due to severe annotation scarcity requiring expert radiological knowledge, significant inter-annotator variability across different viewpoints and…

Image and Video Processing · Electrical Eng. & Systems 2026-01-06 Zihan Li , Dandan Shan , Yunxiang Li , Paul E. Kinahan , Qingqi Hong

Segmenting medical images accurately and reliably is important for disease diagnosis and treatment. It is a challenging task because of the wide variety of objects' sizes, shapes, and scanning modalities. Recently, many convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2022-01-17 Ange Lou , Shuyue Guan , Hanseok Ko , Murray Loew

Medical image segmentation is a fundamental and critical step in many image-guided clinical approaches. Recent success of deep learning-based segmentation methods usually relies on a large amount of labeled data, which is particularly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Rushi Jiao , Yichi Zhang , Le Ding , Rong Cai , Jicong Zhang

Image Segmentation plays an essential role in computer vision and image processing with various applications from medical diagnosis to autonomous car driving. A lot of segmentation algorithms have been proposed for addressing specific…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Yi Liu , Lutao Chu , Guowei Chen , Zewu Wu , Zeyu Chen , Baohua Lai , Yuying Hao

3D scene understanding is a critical yet challenging task in autonomous driving due to the irregularity and sparsity of LiDAR data, as well as the computational demands of processing large-scale point clouds. Recent methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Bin Yang , Alexandru Paul Condurache

Accurate medical image segmentation is essential for diagnosis, surgical planning and many other applications. Convolutional Neural Networks (CNNs) have become the state-of-the-art automatic segmentation methods. However, fully automatic…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Guotai Wang , Maria A. Zuluaga , Wenqi Li , Rosalind Pratt , Premal A. Patel , Michael Aertsen , Tom Doel , Anna L. David , Jan Deprest , Sebastien Ourselin , Tom Vercauteren

The semantic segmentation (SS) task aims to create a dense classification by labeling at the pixel level each object present on images. Convolutional neural network (CNN) approaches have been widely used, and exhibited the best results in…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Darwin Saire , Adín Ramírez Rivera

The Segment Anything Model (SAM) exhibits a capability to segment a wide array of objects in natural images, serving as a versatile perceptual tool for various downstream image segmentation tasks. In contrast, medical image segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yizhe Zhang , Tao Zhou , Shuo Wang , Ye Wu , Pengfei Gu , Danny Z. Chen

Surgical scenes convey crucial information about the quality of surgery. Pixel-wise localization of tools and anatomical structures is the first task towards deeper surgical analysis for microscopic or endoscopic surgical views. This is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Çağhan Köksal , Ghazal Ghazaei , Nassir Navab

Medical experts often manually segment images to obtain diagnostic statistics and discard the resulting annotations. We aim to train segmentation models to alleviate this burden, but constrained to the retained summary statistics (e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Omkar Kulkarni , Edward Raff , Tim Oates

Data diversity and volume are crucial to the success of training deep learning models, while in the medical imaging field, the difficulty and cost of data collection and annotation are especially huge. Specifically in robotic surgery, data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 An Wang , Mobarakol Islam , Mengya Xu , Hongliang Ren

Brain tumor segmentation is important for diagnosis of the tumor, and current deep-learning methods rely on a large set of annotated images for training, with high annotation costs. Unsupervised segmentation is promising to avoid human…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Xiaochuan Ma , Jia Fu , Wenjun Liao , Shichuan Zhang , Guotai Wang

Precisely locating and segmenting medical instruments in images of minimally invasive surgeries, medical instrument segmentation, is an essential first step for several tasks in medical image processing. However, image degradations, small…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Christian Wilms , Alexander Michael Gerlach , Rüdiger Schmitz , Simone Frintrop

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

Semantic segmentation of medical images with deep learning models is rapidly developed. In this study, we benchmarked state-of-the-art deep learning segmentation algorithms on our clinical stereotactic radiosurgery dataset, demonstrating…

Image and Video Processing · Electrical Eng. & Systems 2020-07-24 Siang-Ruei Wu , Hao-Yun Chang , Florence T Su , Heng-Chun Liao , Wanju Tseng , Chun-Chih Liao , Feipei Lai , Feng-Ming Hsu , Furen Xiao

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

Analyzing CT scans, MRIs and X-rays is pivotal in diagnosing and treating diseases. However, detecting and identifying abnormalities from such medical images is a time-intensive process that requires expert analysis and is prone to…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Daniel Syomichev , Padmini Gopinath , Guang-Lin Wei , Eric Chang , Ian Gordon , Amanuel Seifu , Rahul Pemmaraju , Neehar Peri , James Purtilo