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Three-Dimensional Cubic Barcodes
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DOI：10.1109/TIP.2021.3120049.png)
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摘要
En 中文
We consider three-dimensional cubic barcodes, consisting of smaller cubes, each built from one of two possible materials and carry one bit of information. To retrieve the information stored in the barcode, we measure a 2D projection of the barcode using a penetrating wave such as X-rays, either using parallel-beam or cone-beam scanners from an unknown direction. We derive a theoretical representation of this scanning process and show that for a known barcode pose with respect to the scanner, the projection operator is linear and can be easily inverted. Moreover, we provide a method to estimate the unknown pose of the barcode from a single 2D scan. We also propose coding schemes to correct errors and ambiguities in the reconstruction process. Finally, we test our designed barcode and reconstruction algorithms with several simulations, as well as a real-world barcode acquired with an X-ray cone-beam scanner, as a proof of concept.
Keyword:
Attenuation
X-rays
Image color analysis
Image coding
Shape
Reconstruction algorithms
Laser beams
Rectangular cuboid barcodes
cubic barcode
Reed-Solomon
parallel-beam scanner
cone-beam scanner
orthogonal projection
central projection
noise robustness
期刊
IF:
13.7
论文数:
1.0W
被引数:
8.4W
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