Advances in Astronomy / 2019 / Article / Fig 6

Research Article

Intelligent Recognition of Time Stamp Characters in Solar Scanned Images from Film

Figure 6

Extract characters from Figure 3: (a) position the time stamp and rotate, (b) after top hat operation and binarization, (c) black and white inversion of binary image, (d) extract related connectivity domain, (e) extract character regions, and (f) characters extraction result.
(a)
(b)
(c)
(d)
(e)
(f)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.