Search Results for author: James H. Elder

Found 7 papers, 2 papers with code

A Reliable Online Method for Joint Estimation of Focal Length and Camera Rotation

1 code implementation26 Jul 2022 Yiming Qian, James H. Elder

Linear perspectivecues deriving from regularities of the built environment can be used to recalibrate both intrinsic and extrinsic camera parameters online, but these estimates can be unreliable due to irregularities in the scene, uncertainties in line segment estimation and background clutter.

Camera Calibration

Contrastive Learning for Sports Video: Unsupervised Player Classification

1 code implementation15 Apr 2021 Maria Koshkina, Hemanth Pidaparthy, James H. Elder

We address the problem of unsupervised classification of players in a team sport according to their team affiliation, when jersey colours and design are not known a priori.

Classification Contrastive Learning +1

Synergistic saliency and depth prediction for RGB-D saliency detection

no code implementations3 Jul 2020 Yue Wang, Yuke Li, James H. Elder, Huchuan Lu, Runmin Wu, Lu Zhang

Evaluation on seven RGB-D datasets demonstrates that even without saliency ground truth for RGB-D datasets and using only the RGB data of RGB-D datasets at inference, our semi-supervised system performs favorable against state-of-the-art fully-supervised RGB-D saliency detection methods that use saliency ground truth for RGB-D datasets at training and depth data at inference on two largest testing datasets.

Depth Estimation Depth Prediction +1

MCMLSD: A Probabilistic Algorithm and Evaluation Framework for Line Segment Detection

no code implementations6 Jan 2020 James H. Elder, Emilio J. Almazàn, Yiming Qian, Ron Tal

Traditional approaches to line segment detection typically involve perceptual grouping in the image domain and/or global accumulation in the Hough domain.

Line Segment Detection

MCMLSD: A Dynamic Programming Approach to Line Segment Detection

no code implementations CVPR 2017 Emilio J. Almazan, Ron Tal, Yiming Qian, James H. Elder

Prior approaches to line segment detection typically involve perceptual grouping in the image domain or global accumulation in the Hough domain.

Line Segment Detection

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