On the Confidence of Stereo Matching in a Deep-Learning Era : A Quantitative Evaluation

Stereo matching is one of the most popular techniques to estimate dense depth maps by finding the disparity between matching pixels on two, synchronized and rectified images. Alongside with the development of more accurate algorithms, the research community focused on finding good strategies to esti...

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Veröffentlicht in:IEEE transactions on pattern analysis and machine intelligence. - 1979. - 44(2022), 9 vom: 04. Sept., Seite 5293-5313
1. Verfasser: Poggi, Matteo (VerfasserIn)
Weitere Verfasser: Kim, Seungryong, Tosi, Fabio, Kim, Sunok, Aleotti, Filippo, Min, Dongbo, Sohn, Kwanghoon, Mattoccia, Stefano
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:IEEE transactions on pattern analysis and machine intelligence
Schlagworte:Journal Article
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520 |a Stereo matching is one of the most popular techniques to estimate dense depth maps by finding the disparity between matching pixels on two, synchronized and rectified images. Alongside with the development of more accurate algorithms, the research community focused on finding good strategies to estimate the reliability, i.e., the confidence, of estimated disparity maps. This information proves to be a powerful cue to naively find wrong matches as well as to improve the overall effectiveness of a variety of stereo algorithms according to different strategies. In this paper, we review more than ten years of developments in the field of confidence estimation for stereo matching. We extensively discuss and evaluate existing confidence measures and their variants, from hand-crafted ones to the most recent, state-of-the-art learning based methods. We study the different behaviors of each measure when applied to a pool of different stereo algorithms and, for the first time in literature, when paired with a state-of-the-art deep stereo network. Our experiments, carried out on five different standard datasets, provide a comprehensive overview of the field, highlighting in particular both strengths and limitations of learning-based strategies 
650 4 |a Journal Article 
700 1 |a Kim, Seungryong  |e verfasserin  |4 aut 
700 1 |a Tosi, Fabio  |e verfasserin  |4 aut 
700 1 |a Kim, Sunok  |e verfasserin  |4 aut 
700 1 |a Aleotti, Filippo  |e verfasserin  |4 aut 
700 1 |a Min, Dongbo  |e verfasserin  |4 aut 
700 1 |a Sohn, Kwanghoon  |e verfasserin  |4 aut 
700 1 |a Mattoccia, Stefano  |e verfasserin  |4 aut 
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