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Multi-Object Tracking (MOT) is a crucial computer vision task that aims to predict the bounding boxes and identities of objects simultaneously. While state-of-the-art methods have made remarkable progress by jointly optimizing the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Yukun Su , Ruizhou Sun , Xin Shu , Yu Zhang , Qingyao Wu

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

Chest X-ray (CXR) is frequently employed in emergency departments and intensive care units to verify the proper placement of central lines and tubes and to rule out related complications. The automation of the X-ray reading process can be a…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Francesca Boccardi , Axel Saalbach , Heinrich Schulz , Samuele Salti , Ilyas Sirazitdinov

Current closed-set instance segmentation models rely on pre-defined class labels for each mask during training and evaluation, largely limiting their ability to detect novel objects. Open-world instance segmentation (OWIS) models address…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Muzhi Zhu , Hengtao Li , Hao Chen , Chengxiang Fan , Weian Mao , Chenchen Jing , Yifan Liu , Chunhua Shen

Weakly-Supervised Concealed Object Segmentation (WSCOS) aims to segment objects well blended with surrounding environments using sparsely-annotated data for model training. It remains a challenging task since (1) it is hard to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Chunming He , Kai Li , Yachao Zhang , Guoxia Xu , Longxiang Tang , Yulun Zhang , Zhenhua Guo , Xiu Li

Segmented light field images can serve as a powerful representation in many of computer vision tasks exploiting geometry and appearance of objects, such as object pose tracking. In the light field domain, segmentation presents an additional…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Nikolai Goncharov , Donald G. Dansereau

Occlusion between different objects is a typical challenge in Multi-Object Tracking (MOT), which often leads to inferior tracking results due to the missing detected objects. The common practice in multi-object tracking is re-identifying…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Qiankun Liu , Dongdong Chen , Qi Chu , Lu Yuan , Bin Liu , Lei Zhang , Nenghai Yu

Recently, developing unified medical image segmentation models gains increasing attention, especially with the advent of the Segment Anything Model (SAM). SAM has shown promising binary segmentation performance in natural domains, however,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Shuangping Huang , Hao Liang , Qingfeng Wang , Chulong Zhong , Zijian Zhou , Miaojing Shi

Addressing the Out-of-Distribution (OoD) segmentation task is a prerequisite for perception systems operating in an open-world environment. Large foundational models are frequently used in downstream tasks, however, their potential for OoD…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Nazir Nayal , Youssef Shoeb , Fatma Güney

Weakly supervised segmentation methods using bounding box annotations focus on obtaining a pixel-level mask from each box containing an object. Existing methods typically depend on a class-agnostic mask generator, which operates on the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Jungbeom Lee , Jihun Yi , Chaehun Shin , Sungroh Yoon

The coded aperture imaging technique is a useful method of X-ray imaging in observational astrophysics. However, the presence of imaging noise or so-called artifacts in a decoded image is a drawback of this method. We propose a new coded…

Instrumentation and Methods for Astrophysics · Physics 2020-08-03 Tomoaki Kasuga , Hirokazu Odaka , Kosuke Hatauchi , Satoshi Takashima , Tsubasa Tamba , Yuki Aizawa , Soichiro Hashiba , Aya Bamba , Yuanhui Zhou , Toru Tamagawa

Segmenting unknown or anomalous object instances is a critical task in autonomous driving applications, and it is approached traditionally as a per-pixel classification problem. However, reasoning individually about each pixel without…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Shyam Nandan Rai , Fabio Cermelli , Barbara Caputo , Carlo Masone

We introduce Grounded SAM, which uses Grounding DINO as an open-set object detector to combine with the segment anything model (SAM). This integration enables the detection and segmentation of any regions based on arbitrary text inputs and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Tianhe Ren , Shilong Liu , Ailing Zeng , Jing Lin , Kunchang Li , He Cao , Jiayu Chen , Xinyu Huang , Yukang Chen , Feng Yan , Zhaoyang Zeng , Hao Zhang , Feng Li , Jie Yang , Hongyang Li , Qing Jiang , Lei Zhang

We present Segment Anything Model (SAM) 3, a unified model that detects, segments, and tracks objects in images and videos based on concept prompts, which we define as either short noun phrases (e.g., "yellow school bus"), image exemplars,…

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Detecting obstacles in railway scenarios is both crucial and challenging due to the wide range of obstacle categories and varying ambient conditions such as weather and light. Given the impossibility of encompassing all obstacle categories…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Qiushi Guo

Segmenting 3D objects into parts is a long-standing challenge in computer vision. To overcome taxonomy constraints and generalize to unseen 3D objects, recent works turn to open-world part segmentation. These approaches typically transfer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhe Zhu , Le Wan , Rui Xu , Yiheng Zhang , Honghua Chen , Zhiyang Dou , Cheng Lin , Yuan Liu , Mingqiang Wei

We present joint learning of instance and semantic segmentation for visible and occluded region masks. Sharing the feature extractor with instance occlusion segmentation, we introduce semantic occlusion segmentation into the instance…

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

Segmentation of objects in microscopy images is required for many biomedical applications. We introduce object-centric embeddings (OCEs), which embed image patches such that the spatial offsets between patches cropped from the same object…

Machine Learning · Computer Science 2023-10-13 Steffen Wolf , Manan Lalit , Henry Westmacott , Katie McDole , Jan Funke

SAM is a segmentation model recently released by Meta AI Research and has been gaining attention quickly due to its impressive performance in generic object segmentation. However, its ability to generalize to specific scenes such as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Lv Tang , Haoke Xiao , Bo Li