Fiducial Marker Approach for Biomechanical Smartphone-Based Measurements
Citations
7 citations
Cites background from "Fiducial Marker Approach for Biomec..."
...Fiducial systems are viable for mobile posture and ROM measurement since the computational cost is low with high accuracy [13], and fiducial markers will be more easily recognizable than colour or light-based markers....
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References
5,408 citations
"Fiducial Marker Approach for Biomec..." refers background in this paper
...The 2D planar marker system includes planar patterns and computer vision algorithms to identify markers in a given image [8,9]....
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2,496 citations
"Fiducial Marker Approach for Biomec..." refers background in this paper
...The 2D planar marker system includes planar patterns and computer vision algorithms to identify markers in a given image [8,9]....
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1,334 citations
"Fiducial Marker Approach for Biomec..." refers background or methods in this paper
...Olson claimed that AprilTags are resilient against false positive only in natural environments [10]....
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...AprilTag calculates a specific identity, orientation, and position of a marker relative to the camera [10,18,19]....
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...Additional findings demonstrated that the tags’ lexicodebased generation process reduces false positive rates without hindering location accuracy [10,19]....
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...Based on earlier fiducial markers such as ARToolkit and ARTag, Edwin Olson developed a new system called AprilTags, a black and white square tag encoded with a binary payload [10]....
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...Unlike other marker systems, AprilTag2 encodes only 4-36 bits of data, thus enabling accurate and quick tag detection [10]....
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909 citations
"Fiducial Marker Approach for Biomec..." refers background or methods in this paper
...Other evaluation metrics include minimal marker size for reliable detection, detection jitter, and immunity to lighting [1,2]....
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...Of these metrics, the false negative rate is deemed the least serious since a fiducial marker is present within the image yet never reported [1]....
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...Inter-marker confusion rate occurs when a fiducial marker is detected yet incorrectly identified [1]....
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...ARToolKit was initially used in scientific and industrial research [1,6,7]....
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...One method (ARToolKit) uses arbitrary image patterns embedded inside a square, which are matched to a database of known patterns for identification [1,3]....
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543 citations
"Fiducial Marker Approach for Biomec..." refers background in this paper
...AprilTag calculates a specific identity, orientation, and position of a marker relative to the camera [10,18,19]....
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...AprilTag 2 remained robust to false positives [19,20]....
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...Additional findings demonstrated that the tags’ lexicodebased generation process reduces false positive rates without hindering location accuracy [10,19]....
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