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We introduce a method for simultaneously classifying, segmenting and tracking object instances in a video sequence. Our method, named MaskProp, adapts the popular Mask R-CNN to video by adding a mask propagation branch that propagates…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Gedas Bertasius , Lorenzo Torresani

The goal of self-supervised visual representation learning is to learn strong, transferable image representations, with the majority of research focusing on object or scene level. On the other hand, representation learning at part level has…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

Vision-language foundation models such as CLIP have achieved tremendous results in global vision-language alignment, but still show some limitations in creating representations for specific image regions. % To address this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Walid Bousselham , Sofian Chaybouti , Christian Rupprecht , Vittorio Ferrari , Hilde Kuehne

Instance segmentation aims to delineate each individual object of interest in an image. State-of-the-art approaches achieve this goal by either partitioning semantic segmentations or refining coarse representations of detected objects. In…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Long Chen , Yuli Wu , Dorit Merhof

Current multi-object tracking and segmentation (MOTS) methods follow the tracking-by-detection paradigm and adopt convolutions for feature extraction. However, as affected by the inherent receptive field, convolution based feature…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Zhenbo Xu , Wei Zhang , Xiao Tan , Wei Yang , Huan Huang , Shilei Wen , Errui Ding , Liusheng Huang

Deep learning solutions of the salient object detection problem have achieved great results in recent years. The majority of these models are based on encoders and decoders, with a different multi-feature combination. In this paper, we show…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Hazarapet Tunanyan

Reliable 3D segmentation is critical for understanding complex scenes with dense layouts and multi-scale objects, as commonly seen in industrial environments. In such scenarios, heavy occlusion weakens geometric boundaries between objects,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yu Zhu , Naoya Chiba , Koichi Hashimoto

Humans have the innate capability to answer diverse questions, which is rooted in the natural ability to correlate different concepts based on their semantic relationships and decompose difficult problems into sub-tasks. On the contrary,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Shi Chen , Qi Zhao

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

To avoid the exhaustive search over locations and scales, current state-of-the-art object detection systems usually involve a crucial component generating a batch of candidate object proposals from images. In this paper, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Tianshui Chen , Liang Lin , Xian Wu , Nong Xiao , Xiaonan Luo

Tracking and segmenting multiple similar objects with distinct or complex parts in long-term videos is particularly challenging due to the ambiguity in identifying target components and the confusion caused by occlusion, background clutter,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xin Li , Deshui Miao , Zhenyu He , Yaowei Wang , Huchuan Lu , Ming-Hsuan Yang

Robust point cloud classification is crucial for real-world applications, as consumer-type 3D sensors often yield partial and noisy data, degraded by various artifacts. In this work we propose a general ensemble framework, based on partial…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Meir Yossef Levi , Guy Gilboa

Instance segmentation on point clouds is crucially important for 3D scene understanding. Most SOTAs adopt distance clustering, which is typically effective but does not perform well in segmenting adjacent objects with the same semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Weiguang Zhao , Yuyao Yan , Chaolong Yang , Jianan Ye , Xi Yang , Kaizhu Huang

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

Point cloud compression has garnered significant interest in computer vision. However, existing algorithms primarily cater to human vision, while most point cloud data is utilized for machine vision tasks. To address this, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Lei Liu , Zhihao Hu , Zhenghao Chen

Existing text-to-3D and image-to-3D models often struggle with complex scenes involving multiple objects and intricate interactions. Although some recent attempts have explored such compositional scenarios, they still require an extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Yujia Hu , Songhua Liu , Xingyi Yang , Xinchao Wang

We present a novel neural network architecture, termed Decomposer-Composer, for semantic structure-aware 3D shape modeling. Our method utilizes an auto-encoder-based pipeline, and produces a novel factorized shape embedding space, where the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Anastasia Dubrovina , Fei Xia , Panos Achlioptas , Mira Shalah , Raphael Groscot , Leonidas Guibas

Object segmentation is a key component in the visual system of a robot that performs tasks like grasping and object manipulation, especially in presence of occlusions. Like many other computer vision tasks, the adoption of deep…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Federico Ceola , Elisa Maiettini , Giulia Pasquale , Lorenzo Rosasco , Lorenzo Natale

Visual affordance segmentation identifies image regions of an object an agent can interact with. Existing methods re-use and adapt learning-based architectures for semantic segmentation to the affordance segmentation task and evaluate on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Tommaso Apicella , Alessio Xompero , Paolo Gastaldo , Andrea Cavallaro

High-resolution image segmentation remains challenging and error-prone due to the enormous size of intermediate feature maps. Conventional methods avoid this problem by using patch based approaches where each patch is segmented…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Fahim Faisal Niloy , M. Ashraful Amin , Amin Ahsan Ali , AKM Mahbubur Rahman