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Previous top-performing methods for 3D instance segmentation often maintain inter-task dependencies and the tendency towards a lack of robustness. Besides, inevitable variations of different datasets make these methods become particularly…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Jiaheng Liu , Tong He , Honghui Yang , Rui Su , Jiayi Tian , Junran Wu , Hongcheng Guo , Ke Xu , Wanli Ouyang

Tremendous efforts have been made on instance segmentation but the mask quality is still not satisfactory. The boundaries of predicted instance masks are usually imprecise due to the low spatial resolution of feature maps and the imbalance…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Chufeng Tang , Hang Chen , Xiao Li , Jianmin Li , Zhaoxiang Zhang , Xiaolin Hu

We present two practical improvement techniques for unsupervised segmentation learning. These techniques address limitations in the resolution and accuracy of predicted segmentation maps of recent state-of-the-art methods. Firstly, we…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Alp Eren Sari , Francesco Locatello , Paolo Favaro

This paper presents one of the first learning-based NeRF 3D instance segmentation pipelines, dubbed as Instance Neural Radiance Field, or Instance NeRF. Taking a NeRF pretrained from multi-view RGB images as input, Instance NeRF can learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yichen Liu , Benran Hu , Junkai Huang , Yu-Wing Tai , Chi-Keung Tang

There is an increasing need for algorithms that can accurately detect changepoints in long time-series, or equivalent, data. Many common approaches to detecting changepoints, for example based on penalised likelihood or minimum description…

Methodology · Statistics 2014-09-08 Robert Maidstone , Toby Hocking , Guillem Rigaill , Paul Fearnhead

Range-view based LiDAR segmentation methods are attractive for practical applications due to their direct inheritance from efficient 2D CNN architectures. In literature, most range-view based methods follow the per-pixel classification…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Yi Gu , Yuming Huang , Chengzhong Xu , Hui Kong

Instance segmentation models today are very accurate when trained on large annotated datasets, but collecting mask annotations at scale is prohibitively expensive. We address the partially supervised instance segmentation problem in which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Vighnesh Birodkar , Zhichao Lu , Siyang Li , Vivek Rathod , Jonathan Huang

Instance segmentation is a core computer vision task with great practical significance. Recent advances, driven by large-scale benchmark datasets, have yielded good general-purpose Convolutional Neural Network (CNN)-based methods. Natural…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Przemyslaw Polewski , Jacquelyn Shelton , Wei Yao , Marco Heurich

Dynamic convolution achieves better performance for efficient CNNs at the cost of negligible FLOPs increase. However, the performance increase can not match the significantly expanded number of parameters, which is the main bottleneck in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Shwai He , Chenbo Jiang , Daize Dong , Liang Ding

Diffusion frameworks have achieved comparable performance with previous state-of-the-art image generation models. Researchers are curious about its variants in discriminative tasks because of its powerful noise-to-image denoising pipeline.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Zhangxuan Gu , Haoxing Chen , Zhuoer Xu , Jun Lan , Changhua Meng , Weiqiang Wang

Sliding-window object detectors that generate bounding-box object predictions over a dense, regular grid have advanced rapidly and proven popular. In contrast, modern instance segmentation approaches are dominated by methods that first…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Xinlei Chen , Ross Girshick , Kaiming He , Piotr Dollár

We propose a simple, fast, and flexible framework to generate simultaneously semantic and instance masks for panoptic segmentation. Our method, called PanoNet, incorporates a clean and natural structure design that tackles the problem…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Xia Chen , Jianren Wang , Martial Hebert

Recently, deep neural network (DNN) based time-frequency (T-F) mask estimation has shown remarkable effectiveness for speech enhancement. Typically, a single T-F mask is first estimated based on DNN and then used to mask the spectrogram of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-29 Liangchen Zhou , Wenbin Jiang , Jingyan Xu , Fei Wen , Peilin Liu

Leaf segmentation is the most direct and effective way for high-throughput plant phenotype data analysis and quantitative researches of complex traits. Currently, the primary goal of plant phenotyping is to raise the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Ruohao Guo , Liao Qu , Dantong Niu , Zhenbo Li , Jun Yue

Previous top-performing approaches for point cloud instance segmentation involve a bottom-up strategy, which often includes inefficient operations or complex pipelines, such as grouping over-segmented components, introducing additional…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Tong He , Chunhua Shen , Anton van den Hengel

Successful video analysis relies on accurate recognition of pixels across frames, and frame reconstruction methods based on video correspondence learning are popular due to their efficiency. Existing frame reconstruction methods, while…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Zihan Zhou , Changrui Dai , Aibo Song , Xiaolin Fang

Semantic segmentation of overhead remote sensing imagery enables applications in mapping, urban planning, and disaster response. State-of-the-art segmentation networks are typically developed and tuned on ground-perspective photographs and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 David Huangal , J. Alex Hurt

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

Facial image manipulation has achieved great progress in recent years. However, previous methods either operate on a predefined set of face attributes or leave users little freedom to interactively manipulate images. To overcome these…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Cheng-Han Lee , Ziwei Liu , Lingyun Wu , Ping Luo

We propose an embarrassingly simple point annotation scheme to collect weak supervision for instance segmentation. In addition to bounding boxes, we collect binary labels for a set of points uniformly sampled inside each bounding box. We…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Bowen Cheng , Omkar Parkhi , Alexander Kirillov
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