2015
DOI: 10.1109/tpami.2015.2408361
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Probabilistic ToF and Stereo Data Fusion Based on Mixed Pixels Measurement Models

Abstract: This paper proposes a method for fusing data acquired by a ToF camera and a stereo pair based on a model for depth measurement by ToF cameras which accounts also for depth discontinuity artifacts due to the mixed pixel effect. Such model is exploited within both a ML and a MAP-MRF frameworks for ToF and stereo data fusion. The proposed MAP-MRF framework is characterized by site-dependent range values, a rather important feature since it can be used both to improve the accuracy and to decrease the computational… Show more

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Cited by 33 publications
(38 citation statements)
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References 46 publications
(69 reference statements)
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“…In this paper, we propose to leverage a small set of sparse depth measurements to obtain, with deep stereo networks, dense and accurate estimations in any environment. It is worth pointing out that our proposal is different from depth fusion strategies (e.g., [17,21,5,1]) aimed at combining the output of active sensors and stereo algorithms such as Semi-Global Matching [10]. Indeed, such methods mostly aim at selecting the most reliable depth measurements from the multiple available using appropriate frameworks whereas our proposal has an entirely different goal.…”
Section: Introductionmentioning
confidence: 99%
“…In this paper, we propose to leverage a small set of sparse depth measurements to obtain, with deep stereo networks, dense and accurate estimations in any environment. It is worth pointing out that our proposal is different from depth fusion strategies (e.g., [17,21,5,1]) aimed at combining the output of active sensors and stereo algorithms such as Semi-Global Matching [10]. Indeed, such methods mostly aim at selecting the most reliable depth measurements from the multiple available using appropriate frameworks whereas our proposal has an entirely different goal.…”
Section: Introductionmentioning
confidence: 99%
“…In 2013, Engel et al [10] used the geometric disparity error and photometric disparity error for the structure from motion sensor to estimate 3D point error. Recently, many researchers [7,18] have estimated the uncertainty for the ToF (Time of Flight) sensor based on the physical properties of the sensor (eg. the IR frequency).…”
Section: Related Workmentioning
confidence: 99%
“…The challenges mainly lie in two parts: the first is how to get the real uncertainty distribution information from the real sensors. In the recent years, an increasing number of researchers have been investigating how to estimate the uncertainty of the acquired data for different sensors, such as the Kinect sensor [20], the time of flight sensor [7], the structure from motion sensor [10] and the stereo vision sensor [18]. These suggest using physical noise models for each point to represent their individual occurrence probability in 3D space.…”
Section: Introductionmentioning
confidence: 99%
“…Work by [19] proposed a reliable method by incorporating texture information, segmentation into a novel pseudo-two-layer model to improve the depth estimation. Work by [20] proposed a probabilistic method for fusing ToF data and stereo data based on mixed pixels measurement models. By using the complementary characteristics, these method show better results than the depth map by using the single sensor.…”
Section: Related Workmentioning
confidence: 99%