Akio Shio

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SUMMARY A system (Sketch Plan) is proposed that offers recognition of scanned floor plans (sketched by hand without use of rulers or other tools), and automatic conversion of walls, stairs, doors, and other architectural elements. Reported in the present paper are input conditions for the proposed system, an algorithm for recognition and interpretation of(More)
A morphology-based thresholding technique for character extraction from outdoor images is developed. Such extraction is traditionally difficult because of the influence of illumination changes, such as lightness, shadow, and reflection. Changes in character font, apparent size, and inclination also make extraction more difficult. Though there are some(More)
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