MA50331B1 - Procedes et dispositifs de realisation d'une mesure analytique - Google Patents

Procedes et dispositifs de realisation d'une mesure analytique

Info

Publication number
MA50331B1
MA50331B1 MA50331A MA50331A MA50331B1 MA 50331 B1 MA50331 B1 MA 50331B1 MA 50331 A MA50331 A MA 50331A MA 50331 A MA50331 A MA 50331A MA 50331 B1 MA50331 B1 MA 50331B1
Authority
MA
Morocco
Prior art keywords
pixels
interest
region
subset
image
Prior art date
Application number
MA50331A
Other languages
English (en)
Other versions
MA50331A1 (fr
Inventor
Bernd Limburg
Original Assignee
Hoffmann La Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of MA50331A1 publication Critical patent/MA50331A1/fr
Publication of MA50331B1 publication Critical patent/MA50331B1/fr

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/90Determination of colour characteristics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems 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
    • G01N21/78Systems 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/8483Investigating reagent band
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/11Region-based segmentation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N2021/0162Arrangements or apparatus for facilitating the optical investigation using microprocessors for control of a sequence of operations, e.g. test, powering, switching, processing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems 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
    • G01N2021/7756Sensor type
    • G01N2021/7759Dipstick; Test strip
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/8483Investigating reagent band
    • G01N2021/8488Investigating reagent band the band presenting reference patches
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/02Mechanical
    • G01N2201/022Casings
    • G01N2201/0221Portable; cableless; compact; hand-held
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10024Color image

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

L'invention concerne un procédé, un dispositif mobile (112) et un kit (148) pour effectuer une mesure analytique, les valeurs aberrantes étant éliminées. Le procédé comprend : la fourniture d'au moins un dispositif mobile (112) ayant au moins une caméra (114); la fourniture d'au moins une bande de test (118) configurée pour effectuer une réaction de détection de changement de couleur et appliquer au moins un échantillon à au moins un champ de test (120) de la bandelette de test (118), le champ de test (120) contenant au moins un produit chimique de test pour détecter au moins un analyte dans l'échantillon; la capture d'au moins une image (124) d'au moins une partie de la bande de test (118) à l'aide de la caméra (114), ladite image (124) étant composée d'une pluralité de pixels; la détermination d'au moins une région d'intérêt (128) sur l'image (124), et l'association d'un premier sous-ensemble de pixels à la région d'intérêt (128); l'évaluation d'une distribution de couleur à l'intérieur du premier sous-ensemble de pixels et l'élimination des valeurs aberrantes dans le premier sous-ensemble de pixels; la détermination d'au moins une sous-région d'intérêt (134) dans la région d'intérêt (128), la sous-région d'intérêt (134) ayant une surface plus petite que la région d'intérêt (128), et l'association d'un second sous-ensemble de pixels à la sous-région d'intérêt (134); et la comparaison d'au moins une valeur moyenne de la distribution de couleur du premier sous-ensemble de pixels et d'au moins une valeur moyenne d'une distribution de couleur du second sous-ensemble de pixels et la détermination ainsi d'au moins une information d'homogénéité sur une homogénéité de l'image (124).
MA50331A 2018-02-19 2019-02-18 Procedes et dispositifs de realisation d'une mesure analytique MA50331B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18157426.0A EP3527972B8 (fr) 2018-02-19 2018-02-19 Procédé et dispositifs pour effectuer une mesure analytique
PCT/EP2019/053993 WO2019158761A1 (fr) 2018-02-19 2019-02-18 Procédés et dispositifs de réalisation d'une mesure analytique

Publications (2)

Publication Number Publication Date
MA50331A1 MA50331A1 (fr) 2020-09-30
MA50331B1 true MA50331B1 (fr) 2021-03-31

Family

ID=61249518

Family Applications (1)

Application Number Title Priority Date Filing Date
MA50331A MA50331B1 (fr) 2018-02-19 2019-02-18 Procedes et dispositifs de realisation d'une mesure analytique

Country Status (12)

Country Link
US (2) US12272104B2 (fr)
EP (1) EP3527972B8 (fr)
JP (1) JP7209005B2 (fr)
KR (1) KR102753595B1 (fr)
CN (1) CN111712706A (fr)
CA (1) CA3090221A1 (fr)
ES (1) ES3036495T3 (fr)
MA (1) MA50331B1 (fr)
PL (1) PL3527972T3 (fr)
TN (1) TN2020000153A1 (fr)
TW (1) TWI832840B (fr)
WO (1) WO2019158761A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110780064B (zh) * 2019-11-15 2020-10-16 中国农业科学院农业质量标准与检测技术研究所 利用移动终端对目标成分进行检测的方法及系统
ES3036240T3 (en) * 2019-11-25 2025-09-17 Hoffmann La Roche Method of determining a concentration of an analyte in a bodily fluid
US10991185B1 (en) 2020-07-20 2021-04-27 Abbott Laboratories Digital pass verification systems and methods
WO2022222122A1 (fr) * 2021-04-23 2022-10-27 Shenzhen Xpectvision Technology Co., Ltd. Procédés d'imagerie au moyen d'un capteur d'image présentant de multiples détecteurs de rayonnement
EP4166932A1 (fr) 2021-10-14 2023-04-19 F. Hoffmann-La Roche AG Procédé amélioré pour la détermination de la concentration d'un analyte dans un fluide corporel

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DE69425158T2 (de) * 1993-02-26 2001-03-15 E-Y Laboratories, Inc. Optisches probe-analysesystem und verfahren
DE19630160A1 (de) * 1996-07-26 1998-01-29 Boehringer Mannheim Gmbh Analysesystem mit Mitteln zur Erkennung von Unterdosierungen
DE19638065A1 (de) 1996-09-18 1998-03-19 Massen Machine Vision Systems Automatische Qualitätskontrolle von Fliesen
DE19852504A1 (de) * 1998-11-13 2000-05-18 Stratec Biomedical Systems Ag Anordnung und Verfahren zur Blutanalyse für die Serodiagnostik
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TW569010B (en) * 2003-05-13 2004-01-01 Oncoprobe Biotech Inc Bioagent automatic detection system
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Also Published As

Publication number Publication date
EP3527972B1 (fr) 2025-05-28
US20250200806A1 (en) 2025-06-19
ES3036495T3 (en) 2025-09-19
EP3527972B8 (fr) 2025-07-09
BR112020015019A2 (pt) 2021-01-19
RU2020130226A (ru) 2022-03-21
MA50331A1 (fr) 2020-09-30
TN2020000153A1 (en) 2022-04-04
KR102753595B1 (ko) 2025-01-10
CA3090221A1 (fr) 2019-08-22
WO2019158761A1 (fr) 2019-08-22
EP3527972C0 (fr) 2025-05-28
CN111712706A (zh) 2020-09-25
TWI832840B (zh) 2024-02-21
EP3527972A1 (fr) 2019-08-21
JP7209005B2 (ja) 2023-01-19
TW201939020A (zh) 2019-10-01
JP2021514465A (ja) 2021-06-10
PL3527972T3 (pl) 2025-09-01
US12272104B2 (en) 2025-04-08
KR20200121808A (ko) 2020-10-26
US20200372680A1 (en) 2020-11-26

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