Recognition of Cracks on the Concrete Surface in Digital Images
Abstract:When we estimate the quake resistance of the steel reinforced concrete structure, or the deterioration degree of materials, cracks on the concrete surface are extremely important factors. However, the conventional judgment technique using cracks needs great man power. This study we use a digital camera and some image processing methods and simplify the cracks measurement process to get more precise information of cracks.
In this research we propose a new method of processing the images of cracks, in the hope to reduce the difficulty of conventional techniques. We take a photo of a concrete surface, and preprocess it, then we analyze several characteristics of the image, especially for line parts, and cracking part will be extracted by grayscale conversion, edge enhancement and Hough conversion method.
Document Type: Research Article
Publication date: January 1, 2008
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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