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Amodal instance segmentation, which aims to detect and segment both visible and invisible parts of objects in images, plays a crucial role in various applications including autonomous driving, robotic manipulation, and scene understanding.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Wei-En Tai , Yu-Lin Shih , Cheng Sun , Yu-Chiang Frank Wang , Hwann-Tzong Chen

In this work, we demonstrate yet another approach to tackle the amodal segmentation problem. Specifically, we first introduce a new representation, namely a semantics-aware distance map (sem-dist map), to serve as our target for amodal…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Ziheng Zhang , Anpei Chen , Ling Xie , Jingyi Yu , Shenghua Gao

Amodal panoptic segmentation aims to connect the perception of the world to its cognitive understanding. It entails simultaneously predicting the semantic labels of visible scene regions and the entire shape of traffic participant…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Rohit Mohan , Abhinav Valada

We consider the problem of amodal instance segmentation, the objective of which is to predict the region encompassing both visible and occluded parts of each object. Thus far, the lack of publicly available amodal segmentation annotations…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Ke Li , Jitendra Malik

Amodal segmentation is a challenging task that aims to predict the complete geometric shape of objects, including their occluded regions. Although existing methods primarily focus on amodal segmentation within the training domain, these…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Bo Zhang , Zhuotao Tian , Xin Tao , Songlin Tang , Jun Yu , Wenjie Pei

Almost all existing amodal segmentation methods make the inferences of occluded regions by using features corresponding to the whole image. This is against the human's amodal perception, where human uses the visible part and the shape prior…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Yuting Xiao , Yanyu Xu , Ziming Zhong , Weixin Luo , Jiawei Li , Shenghua Gao

To fully understand the 3D context of a single image, a visual system must be able to segment both the visible and occluded regions of objects, while discerning their occlusion order. Ideally, the system should be able to handle any object…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Jiayang Ao , Qiuhong Ke , Krista A. Ehinger

Common visual recognition tasks such as classification, object detection, and semantic segmentation are rapidly reaching maturity, and given the recent rate of progress, it is not unreasonable to conjecture that techniques for many of these…

Computer Vision and Pattern Recognition · Computer Science 2016-12-15 Yan Zhu , Yuandong Tian , Dimitris Mexatas , Piotr Dollár

This paper addresses weakly supervised amodal instance segmentation, where the goal is to segment both visible and occluded (amodal) object parts, while training provides only ground-truth visible (modal) segmentations. Following prior…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Khoi Nguyen , Sinisa Todorovic

In this work, we study amodal video instance segmentation for automated driving. Previous works perform amodal video instance segmentation relying on methods trained on entirely labeled video data with techniques borrowed from standard…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jasmin Breitenstein , Franz Jünger , Andreas Bär , Tim Fingscheidt

Amodal object segmentation is a challenging task that involves segmenting both visible and occluded parts of an object. In this paper, we propose a novel approach, called Coarse-to-Fine Segmentation (C2F-Seg), that addresses this problem by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Jianxiong Gao , Xuelin Qian , Yikai Wang , Tianjun Xiao , Tong He , Zheng Zhang , Yanwei Fu

Amodal segmentation is a new direction of instance segmentation while considering the segmentation of the visible and occluded parts of the instance. The existing state-of-the-art method uses multi-task branches to predict the amodal part…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Xunli Zeng , Jianqin Yin

Humans have the remarkable ability to perceive objects as a whole, even when parts of them are occluded. This ability of amodal perception forms the basis of our perceptual and cognitive understanding of our world. To enable robots to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Rohit Mohan , Abhinav Valada

Most instance segmentation models are not end-to-end trainable due to either the incorporation of proposal estimation (RPN) as a pre-processing or non-maximum suppression (NMS) as a post-processing. Here we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Kaining Ying , Zhenhua Wang , Cong Bai , Pengfei Zhou

Amodal perception requires inferring the full shape of an object that is partially occluded. This task is particularly challenging on two levels: (1) it requires more information than what is contained in the instant retina or imaging…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Jian Yao , Yuxin Hong , Chiyu Wang , Tianjun Xiao , Tong He , Francesco Locatello , David Wipf , Yanwei Fu , Zheng Zhang

We present the first fully convolutional end-to-end solution for instance-aware semantic segmentation task. It inherits all the merits of FCNs for semantic segmentation and instance mask proposal. It performs instance mask prediction and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Yi Li , Haozhi Qi , Jifeng Dai , Xiangyang Ji , Yichen Wei

Handling occlusion remains a significant challenge for video instance-level tasks like Multiple Object Tracking (MOT) and Video Instance Segmentation (VIS). In this paper, we propose a novel framework, Amodal-Aware Video Instance…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Minh Tran , Thang Pham , Winston Bounsavy , Tri Nguyen , Ngan Le

Amodal segmentation aims to predict segmentation masks for both the visible and occluded regions of an object. Most existing works formulate this as a supervised learning problem, requiring manually annotated amodal masks or synthetic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jae Joong Lee , Bedrich Benes , Raymond A. Yeh

The performance of image segmentation models has historically been constrained by the high cost of collecting large-scale annotated data. The Segment Anything Model (SAM) alleviates this original problem through a promptable,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Miguel Espinosa , Chenhongyi Yang , Linus Ericsson , Steven McDonagh , Elliot J. Crowley

Amodal perception terms the ability of humans to imagine the entire shapes of occluded objects. This gives humans an advantage to keep track of everything that is going on, especially in crowded situations. Typical perception functions,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Jasmin Breitenstein , Tim Fingscheidt
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