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Conditional random fields (CRF) for label decoding has become ubiquitous in sequence labeling tasks. However, the local label dependencies and inefficient Viterbi decoding have always been a problem to be solved. In this work, we introduce…

Computation and Language · Computer Science 2020-12-22 Tao Gui , Jiacheng Ye , Qi Zhang , Zhengyan Li , Zichu Fei , Yeyun Gong , Xuanjing Huang

We present a learning-based method for synthesizing novel views of complex scenes using only unstructured collections of in-the-wild photographs. We build on Neural Radiance Fields (NeRF), which uses the weights of a multilayer perceptron…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Ricardo Martin-Brualla , Noha Radwan , Mehdi S. M. Sajjadi , Jonathan T. Barron , Alexey Dosovitskiy , Daniel Duckworth

Neural implicit representation has attracted attention in 3D reconstruction through various success cases. For further applications such as scene understanding or editing, several works have shown progress towards object compositional…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Taekbeom Lee , Youngseok Jang , H. Jin Kim

This paper describes the results of formally evaluating the MCV (Markov concurrent vision) image labeling algorithm which is a (semi-) hierarchical algorithm commencing with a partition made up of single pixel regions and merging regions or…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 John Mashford , Brad Lane , Vic Ciesielski , Felix Lipkin

Research on localization and perception for Autonomous Driving is mainly focused on camera and LiDAR datasets, rarely on radar data. Manually labeling sparse radar point clouds is challenging. For a dataset generation, we propose the cross…

Context in image is crucial for scene labeling while existing methods only exploit local context generated from a small surrounding area of an image patch or a pixel, by contrast long-range and global contextual information is ignored. To…

Computer Vision and Pattern Recognition · Computer Science 2016-08-12 Heng Fan , Xue Mei , Danil Prokhorov , Haibin Ling

The increase of vehicle in highways may cause traffic congestion as well as in the normal roadways. Predicting the traffic flow in highways especially, is demanded to solve this congestion problem. Predictions on time-series multivariate…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Sumarsih Condroayu Purbarani , Hadaiq Rolis Sanabila , Wisnu Jatmiko

We propose CLA-NeRF -- a Category-Level Articulated Neural Radiance Field that can perform view synthesis, part segmentation, and articulated pose estimation. CLA-NeRF is trained at the object category level using no CAD models and no…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Wei-Cheng Tseng , Hung-Ju Liao , Lin Yen-Chen , Min Sun

This paper addresses the problem of depth estimation from a single still image. Inspired by recent works on multi- scale convolutional neural networks (CNN), we propose a deep model which fuses complementary information derived from…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Dan Xu , Elisa Ricci , Wanli Ouyang , Xiaogang Wang , Nicu Sebe

We present radiance field propagation (RFP), a novel approach to segmenting objects in 3D during reconstruction given only unlabeled multi-view images of a scene. RFP is derived from emerging neural radiance field-based techniques, which…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Xinhang Liu , Jiaben Chen , Huai Yu , Yu-Wing Tai , Chi-Keung Tang

Multi-label Recognition (MLR) involves the identification of multiple objects within an image. To address the additional complexity of this problem, recent works have leveraged information from vision-language models (VLMs) trained on large…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Samyak Rawlekar , Shubhang Bhatnagar , Vishnuvardhan Pogunulu Srinivasulu , Narendra Ahuja

We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Crowd flow segmentation is an important step in many video surveillance tasks. In this work, we propose an algorithm for segmenting flows in H.264 compressed videos in a completely unsupervised manner. Our algorithm works on motion vectors…

Computer Vision and Pattern Recognition · Computer Science 2015-06-22 Srinivas S. S. Kruthiventi , R. Venkatesh Babu

This paper addresses the problem of video object segmentation, where the initial object mask is given in the first frame of an input video. We propose a novel spatio-temporal Markov Random Field (MRF) model defined over pixels to handle…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Linchao Bao , Baoyuan Wu , Wei Liu

Image classification models, including convolutional neural networks (CNNs), perform well on a variety of classification tasks but struggle under conditions of partial occlusion, i.e., conditions in which objects are partially covered from…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Kaleb Kassaw , Francesco Luzi , Leslie M. Collins , Jordan M. Malof

We propose CARFF, a method for predicting future 3D scenes given past observations. Our method maps 2D ego-centric images to a distribution over plausible 3D latent scene configurations and predicts the evolution of hypothesized scenes…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jiezhi Yang , Khushi Desai , Charles Packer , Harshil Bhatia , Nicholas Rhinehart , Rowan McAllister , Joseph Gonzalez

Robot vision is greatly affected by occlusions, which poses challenges to autonomous systems. The robot itself may hide targets of interest from the camera, while it moves within the field of view, leading to failures in task execution. For…

Robotics · Computer Science 2023-02-15 Savvas Sampaziotis , Sotiris Antonakoudis , Marios Kiatos , Fotios Dimeas , Zoe Dougleri

State-of-the-art approaches for semantic segmentation rely on deep convolutional neural networks trained on fully annotated datasets, that have been shown to be notoriously expensive to collect, both in terms of time and money. To remedy…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Anton Obukhov , Stamatios Georgoulis , Dengxin Dai , Luc Van Gool

With the advancement of remote-sensed imaging large volumes of very high resolution land cover images can now be obtained. Automation of object recognition in these 2D images, however, is still a key issue. High intra-class variance and low…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Vikas Agaradahalli Gurumurthy

The challenge of object categorization in images is largely due to arbitrary translations and scales of the foreground objects. To attack this difficulty, we propose a new approach called collaborative receptive field learning to extract…

Computer Vision and Pattern Recognition · Computer Science 2014-02-04 Shu Kong , Zhuolin Jiang , Qiang Yang
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