TRANSPARENT BODY INSPECTING DEVICE
A transparent body inspecting device includes: a light application unit for applying light to a transparent body; an image capturing unit which captures an image of the transparent body and in which a depth of field is smaller than a height of the transparent body; an image capture driving unit for...
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| creator | KURUMISAWA MAKOTO SUZUKI TOSHIHIKO MATSUMOTO HIDETOSHI KATO MUNEHISA |
| description | A transparent body inspecting device includes: a light application unit for applying light to a transparent body; an image capturing unit which captures an image of the transparent body and in which a depth of field is smaller than a height of the transparent body; an image capture driving unit for moving the image capturing unit in a direction in which the image capturing unit is brought close to the transparent body and in a direction in which the image capturing unit is brought away from the transparent body; and a defect determining unit for determining existence or nonexistence of a defect in the transparent body based on whether or not brightness of pixels in the image captured by the image capturing unit is nonuniform, wherein: the image capturing unit carries out image capture more than once while moving in the direction in which the image capturing unit is brought close to the transparent body or in the direction in which the image capturing unit is brought away from the transparent body; and when the brightness of pixels in the image captured by the image capturing unit is nonuniform, the defect determining unit determines that a defect exists within the depth of field at the time of capture of this image. |
| format | Patent |
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SUZUKI TOSHIHIKO ; MATSUMOTO HIDETOSHI ; KATO MUNEHISA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2011221885A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>KURUMISAWA MAKOTO</creatorcontrib><creatorcontrib>SUZUKI TOSHIHIKO</creatorcontrib><creatorcontrib>MATSUMOTO HIDETOSHI</creatorcontrib><creatorcontrib>KATO MUNEHISA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KURUMISAWA MAKOTO</au><au>SUZUKI TOSHIHIKO</au><au>MATSUMOTO HIDETOSHI</au><au>KATO MUNEHISA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRANSPARENT BODY INSPECTING DEVICE</title><date>2011-09-15</date><risdate>2011</risdate><abstract>A transparent body inspecting device includes: a light application unit for applying light to a transparent body; an image capturing unit which captures an image of the transparent body and in which a depth of field is smaller than a height of the transparent body; an image capture driving unit for moving the image capturing unit in a direction in which the image capturing unit is brought close to the transparent body and in a direction in which the image capturing unit is brought away from the transparent body; and a defect determining unit for determining existence or nonexistence of a defect in the transparent body based on whether or not brightness of pixels in the image captured by the image capturing unit is nonuniform, wherein: the image capturing unit carries out image capture more than once while moving in the direction in which the image capturing unit is brought close to the transparent body or in the direction in which the image capturing unit is brought away from the transparent body; and when the brightness of pixels in the image captured by the image capturing unit is nonuniform, the defect determining unit determines that a defect exists within the depth of field at the time of capture of this image.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TESTING |
| title | TRANSPARENT BODY INSPECTING DEVICE |
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