Study on on-line measurement system of stone slabs based on OpenCV

Min, Zhao; Lihong, Na

doi:10.1109/iccia.2010.6141638

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2012

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“…The natural stone slabs, such as Marble and Granite, are the main raw material of building and decoration industry. In the machine-vision based machining technology, contour extraction of stone slab is the first-step issue and basis for how to optimize cutting the irregular shape stone slabs real time and affects the stone utilization [1] .Natural stone looks on the random texture surface, whose intensity distribution is not uniform. While using the classical gradient based edge detection operators, stone slab edge is detected as well as the inner texture and background.…”

Section: Introductionmentioning

confidence: 99%

Applications of C-V Model without Re-Initialization to Extract Stone Slabs Contour

Liu

Liao

2012

AMM

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C-V model without re-initialization was applied to detect the stone slab contour on simple and complex background respectively. Using the flexible initial curve which is closer to the object boundary, a stable and correct segmentation can be achieved rapidly. For the simple background, this model can exactly detect the stone slab contour. While for the complex background, the result somewhere is an approximation of object contour because the object and background have nearly the same intensity. Additional work will be done to perfect the results.

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Section: Introductionmentioning

confidence: 99%