IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING PROGRAM

To set an appropriate temperature range when detecting a loose tile from a thermal image of a tile wall surface.SOLUTION: A temperature range setting apparatus sets upper limit candidates and lower limit candidates of a temperature of a thermal image of a tile wall surface to generate an emphasized...

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Main Authors MATSUBARA MICHIHIKO, SUGATA MASAHIRO, YAMAMOTO MASATO, SAKUMA YASUYUKI, FUKAZAWA SHIGEOMI, KIKUCHI RYOTO, SUGIYAMA KAZUYA
Format Patent
LanguageEnglish
Japanese
Published 03.02.2022
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Abstract To set an appropriate temperature range when detecting a loose tile from a thermal image of a tile wall surface.SOLUTION: A temperature range setting apparatus sets upper limit candidates and lower limit candidates of a temperature of a thermal image of a tile wall surface to generate an emphasized image, executes edge detection processing on the emphasized image to generate an edge image, executes matching processing on the edge image by using a rectangular template which represents a tile, to generate a tile image including a plurality of rectangular tiles, repeats generating the emphasized image, generating the edge image, and generating the tile image. The upper limit candidates and the lower limit candidates of the temperature to be obtained when the number of tiles included in the generated tile images reaches a predetermined threshold are acquired as an upper limit and a lower limit of the temperature for generating the emphasized image. In generating the emphasized image, for an acquired thermal image, the acquired upper limit and lower limit of the temperature are set to the temperature of the thermal image, to generate the emphasized image of the thermal image.SELECTED DRAWING: Figure 2 【課題】タイル壁面の熱画像からタイル浮きを検出する際に、適切な温度レンジを設定する。【解決手段】温度レンジ設定装置は、タイル壁面の熱画像に対して、熱画像の温度の上限候補及び下限候補を設定して強調画像を生成し、強調画像に対して、エッジ検出処理を行うことでエッジ画像を生成し、エッジ画像に対して、タイルを表す矩形テンプレートによるマッチング処理を行い、矩形状のタイルを複数含むタイル画像を生成し、強調画像の生成、エッジ画像の生成、及び、タイル画像の生成を繰り返し、生成されたタイル画像に含まれるタイルの枚数が所定の閾値以上となったときの温度の上限候補及び下限候補を、強調画像を生成する際の温度の上限及び下限として得るようにし、強調画像を生成する際に、取得された熱画像に対して、取得された温度の上限及び下限を熱画像の温度へ設定することにより、熱画像の強調画像を生成する。【選択図】図2
AbstractList To set an appropriate temperature range when detecting a loose tile from a thermal image of a tile wall surface.SOLUTION: A temperature range setting apparatus sets upper limit candidates and lower limit candidates of a temperature of a thermal image of a tile wall surface to generate an emphasized image, executes edge detection processing on the emphasized image to generate an edge image, executes matching processing on the edge image by using a rectangular template which represents a tile, to generate a tile image including a plurality of rectangular tiles, repeats generating the emphasized image, generating the edge image, and generating the tile image. The upper limit candidates and the lower limit candidates of the temperature to be obtained when the number of tiles included in the generated tile images reaches a predetermined threshold are acquired as an upper limit and a lower limit of the temperature for generating the emphasized image. In generating the emphasized image, for an acquired thermal image, the acquired upper limit and lower limit of the temperature are set to the temperature of the thermal image, to generate the emphasized image of the thermal image.SELECTED DRAWING: Figure 2 【課題】タイル壁面の熱画像からタイル浮きを検出する際に、適切な温度レンジを設定する。【解決手段】温度レンジ設定装置は、タイル壁面の熱画像に対して、熱画像の温度の上限候補及び下限候補を設定して強調画像を生成し、強調画像に対して、エッジ検出処理を行うことでエッジ画像を生成し、エッジ画像に対して、タイルを表す矩形テンプレートによるマッチング処理を行い、矩形状のタイルを複数含むタイル画像を生成し、強調画像の生成、エッジ画像の生成、及び、タイル画像の生成を繰り返し、生成されたタイル画像に含まれるタイルの枚数が所定の閾値以上となったときの温度の上限候補及び下限候補を、強調画像を生成する際の温度の上限及び下限として得るようにし、強調画像を生成する際に、取得された熱画像に対して、取得された温度の上限及び下限を熱画像の温度へ設定することにより、熱画像の強調画像を生成する。【選択図】図2
Author KIKUCHI RYOTO
MATSUBARA MICHIHIKO
SUGATA MASAHIRO
SUGIYAMA KAZUYA
YAMAMOTO MASATO
FUKAZAWA SHIGEOMI
SAKUMA YASUYUKI
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– fullname: KIKUCHI RYOTO
– fullname: SUGIYAMA KAZUYA
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Snippet To set an appropriate temperature range when detecting a loose tile from a thermal image of a tile wall surface.SOLUTION: A temperature range setting apparatus...
SourceID epo
SourceType Open Access Repository
SubjectTerms CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING PROGRAM
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