JP7271611B2 - 試験紙及び試験紙の読取方法 - Google Patents
試験紙及び試験紙の読取方法 Download PDFInfo
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- JP7271611B2 JP7271611B2 JP2021107606A JP2021107606A JP7271611B2 JP 7271611 B2 JP7271611 B2 JP 7271611B2 JP 2021107606 A JP2021107606 A JP 2021107606A JP 2021107606 A JP2021107606 A JP 2021107606A JP 7271611 B2 JP7271611 B2 JP 7271611B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
- G01N33/5094—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for blood cell populations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
- G01N2021/8488—Investigating reagent band the band presenting reference patches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
- Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
- Y10T436/143333—Saccharide [e.g., DNA, etc.]
- Y10T436/144444—Glucose
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- Urology & Nephrology (AREA)
- Analytical Chemistry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Pathology (AREA)
- Cell Biology (AREA)
- Microbiology (AREA)
- Data Mining & Analysis (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biotechnology (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Diabetes (AREA)
- Evolutionary Computation (AREA)
- Quality & Reliability (AREA)
- Evolutionary Biology (AREA)
- Artificial Intelligence (AREA)
- General Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Ecology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Description
新RGB=i×(R(x,y), G(x,y), B(x,y))/(R est (x,y), G est (x,y), B est (x,y))
R(x,y), G(x,y), B(x,y)は、ピクセルの初期RGB値であり、R est (x,y), G est (x,y), B est (x,y)は、同一ピクセルでの照明プロファイルの評価RGB値であり、iは、反応領域の色彩の最大RGB値である。
例えば、色彩較正領域204は、反応領域102周囲のホワイトリングを含んでもよい。画像212では、コーナー506のRGB値は(200,200,200)であり、コーナー508のRGB値は(100,100,100)であると仮定される。さらに、照明プロファイルは直線であると仮定される。これらの仮定に基づけば、図5の反応領域502に於ける中心ピクセル510のホワイトポイントは(150,150,150)のRGB値を有することになる。ピクセル510の色彩が白色でなく、代わりに(125,75,75)のRGB値を有すると言われるとき、中心点の新RGB値はi×(125,75,75)/(150,150,150)であり、iは(255,255,255)である。
Claims (6)
- 標本試験紙の第1画像を取り込むステップであって、前記第1画像が分析物の異なる範囲の特性値を検出するようにそれぞれ構成された複数の反応領域を含むステップと、
前記複数の反応領域の1つの適切な彩度の反応領域を選択するステップと、
前記選択された反応領域を分析物の特性値に関連付けるステップと、
を備えることを特徴とする標本サンプル中の分析物の特性を検出するために標本試験紙を読み取る撮像装置を備えたコンピュータのための方法。 - 前記複数の反応領域の1つの適切な彩度の反応領域を選択するステップは、ノイズレベルよりも大きな前記反応領域の平均RGB値を有する反応領域を選択するステップを備えることを特徴とする請求項1に記載の方法。
- 前記第1画像とは異なる露出条件で標本試験紙の第2画像を取り込むステップと、
前記第2画像を選択するステップと、
をさらに備えることを特徴とする請求項1に記載の方法。 - 前記第1画像は、対応する閾値よりも小さいか、あるいは、大きな反応領域の平均RGB値を有することを特徴とする請求項3に記載の方法。
- 前記第1画像とは異なる照度の下、標本試験紙の第2画像を取り込むステップと、
前記第2画像を選択するステップと、をさらに備えることを特徴とする請求項1に記載の方法。 - 前記第1画像は、対応する閾値よりも小さいか、あるいは、大きな反応領域の平均RGB値を有することを特徴とする請求項5に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361749811P | 2013-01-07 | 2013-01-07 | |
US61/749,811 | 2013-01-07 | ||
US13/798,175 US9063091B2 (en) | 2012-04-06 | 2013-03-13 | Test strips and method for reading test strips |
US13/798,175 | 2013-03-13 | ||
JP2019155196A JP6906573B2 (ja) | 2013-01-07 | 2019-08-28 | 試験紙及び試験紙の読取方法 |
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JP2019155196A Division JP6906573B2 (ja) | 2013-01-07 | 2019-08-28 | 試験紙及び試験紙の読取方法 |
Publications (3)
Publication Number | Publication Date |
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JP2021177181A JP2021177181A (ja) | 2021-11-11 |
JP2021177181A5 JP2021177181A5 (ja) | 2022-12-15 |
JP7271611B2 true JP7271611B2 (ja) | 2023-05-11 |
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Family Applications (4)
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JP2015543250A Active JP6322643B2 (ja) | 2013-01-07 | 2013-04-16 | 試験紙及び試験紙の読取方法 |
JP2017118541A Active JP6580627B2 (ja) | 2013-01-07 | 2017-06-16 | 試験紙及び試験紙の読取方法 |
JP2019155196A Active JP6906573B2 (ja) | 2013-01-07 | 2019-08-28 | 試験紙及び試験紙の読取方法 |
JP2021107606A Active JP7271611B2 (ja) | 2013-01-07 | 2021-06-29 | 試験紙及び試験紙の読取方法 |
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JP2015543250A Active JP6322643B2 (ja) | 2013-01-07 | 2013-04-16 | 試験紙及び試験紙の読取方法 |
JP2017118541A Active JP6580627B2 (ja) | 2013-01-07 | 2017-06-16 | 試験紙及び試験紙の読取方法 |
JP2019155196A Active JP6906573B2 (ja) | 2013-01-07 | 2019-08-28 | 試験紙及び試験紙の読取方法 |
Country Status (4)
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EP (3) | EP2941630B1 (ja) |
JP (4) | JP6322643B2 (ja) |
CN (2) | CN105899935B (ja) |
ES (1) | ES2746070T3 (ja) |
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JP2019052887A (ja) * | 2017-09-13 | 2019-04-04 | 株式会社 オルタステクノロジー | 呈色画像を利用した特性値測定装置、方法、およびプログラム |
CN107860766A (zh) * | 2017-10-24 | 2018-03-30 | 吉林大学 | 基于颜色传感器的干化学法精确检测装置及方法 |
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CN105899935B (zh) | 2019-06-18 |
JP2019219415A (ja) | 2019-12-26 |
EP2941630A1 (en) | 2015-11-11 |
ES2746070T3 (es) | 2020-03-04 |
EP2941630A4 (en) | 2016-08-24 |
EP3578959A2 (en) | 2019-12-11 |
EP3578959A3 (en) | 2020-02-26 |
JP2021177181A (ja) | 2021-11-11 |
EP3575781A3 (en) | 2020-02-26 |
JP2015536465A (ja) | 2015-12-21 |
CN105899935A (zh) | 2016-08-24 |
JP2017201315A (ja) | 2017-11-09 |
CN110376192A (zh) | 2019-10-25 |
JP6580627B2 (ja) | 2019-09-25 |
EP3575781A2 (en) | 2019-12-04 |
JP6906573B2 (ja) | 2021-07-21 |
EP2941630B1 (en) | 2019-08-21 |
JP6322643B2 (ja) | 2018-05-09 |
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