FR3076617B1 - HOLOGRAPHIC IMAGING SYSTEM AND HOLOGRAPHIC IMAGING ANALYSIS METHOD WITH DETECTION OF FAULTS IN THE OBSERVATION CHAMBER - Google Patents
HOLOGRAPHIC IMAGING SYSTEM AND HOLOGRAPHIC IMAGING ANALYSIS METHOD WITH DETECTION OF FAULTS IN THE OBSERVATION CHAMBER Download PDFInfo
- Publication number
- FR3076617B1 FR3076617B1 FR1850135A FR1850135A FR3076617B1 FR 3076617 B1 FR3076617 B1 FR 3076617B1 FR 1850135 A FR1850135 A FR 1850135A FR 1850135 A FR1850135 A FR 1850135A FR 3076617 B1 FR3076617 B1 FR 3076617B1
- Authority
- FR
- France
- Prior art keywords
- holographic imaging
- image
- acquired
- observation chamber
- imaging system
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000003384 imaging method Methods 0.000 title abstract 4
- 238000001514 detection method Methods 0.000 title abstract 3
- 238000004458 analytical method Methods 0.000 title 1
- 230000007547 defect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
- G01N2015/0233—Investigating particle size or size distribution by optical means using imaging; using holography using holography
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Holo Graphy (AREA)
Abstract
L'invention concerne un procédé d'analyse d'un milieu par imagerie holographique et un système d'imagerie correspondant, dans lesquels une image (101) d'un échantillon de milieu présent dans une chambre d'observation illuminée par une source lumineuse est acquise par un capteur photosensible, le procédé étant caractérisé en ce qu'il comprend de plus, après chaque acquisition, une phase de détection de défauts utilisant les niveaux de gris de l'image acquise, cette phase de détection de défauts comprenant : une partition de l'image acquise (101) en un nombre prédéterminé N de vignettes (32, 33) ; l'évaluation pour chaque vignette et pour l'image entière d'un paramètre statistique caractérisant la distribution des niveaux de gris dans la vignette et dans l'image entière, respectivement ; le calcul d'un facteur d'alarme à partir des paramètres statistiques précédemment évalués ; la comparaison du facteur d'alarme obtenu à un seuil d'alarme prédéterminé et le classement de l'image acquise en image défectueuse ou valide selon le résultat de la comparaison précédente.The invention relates to a method for analyzing a medium by holographic imaging and to a corresponding imaging system, in which an image (101) of a sample of medium present in an observation chamber illuminated by a light source is acquired by a photosensitive sensor, the method being characterized in that it further comprises, after each acquisition, a defect detection phase using the gray levels of the acquired image, this defect detection phase comprising: a partition the acquired image (101) in a predetermined number N of thumbnails (32, 33); evaluating for each vignette and for the entire image a statistical parameter characterizing the distribution of the gray levels in the vignette and in the entire image, respectively; the calculation of an alarm factor from the statistical parameters previously evaluated; the comparison of the alarm factor obtained with a predetermined alarm threshold and the classification of the acquired image into a defective or valid image according to the result of the previous comparison.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1850135A FR3076617B1 (en) | 2018-01-08 | 2018-01-08 | HOLOGRAPHIC IMAGING SYSTEM AND HOLOGRAPHIC IMAGING ANALYSIS METHOD WITH DETECTION OF FAULTS IN THE OBSERVATION CHAMBER |
PCT/FR2019/050034 WO2019135060A1 (en) | 2018-01-08 | 2019-01-08 | Holographic imaging system and holographic imaging analysis method with fault detection in the observation chamber |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1850135A FR3076617B1 (en) | 2018-01-08 | 2018-01-08 | HOLOGRAPHIC IMAGING SYSTEM AND HOLOGRAPHIC IMAGING ANALYSIS METHOD WITH DETECTION OF FAULTS IN THE OBSERVATION CHAMBER |
FR1850135 | 2018-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3076617A1 FR3076617A1 (en) | 2019-07-12 |
FR3076617B1 true FR3076617B1 (en) | 2020-02-07 |
Family
ID=61873524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1850135A Active FR3076617B1 (en) | 2018-01-08 | 2018-01-08 | HOLOGRAPHIC IMAGING SYSTEM AND HOLOGRAPHIC IMAGING ANALYSIS METHOD WITH DETECTION OF FAULTS IN THE OBSERVATION CHAMBER |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR3076617B1 (en) |
WO (1) | WO2019135060A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3114649A1 (en) * | 2020-09-25 | 2022-04-01 | Biomerieux | Method for analyzing a biological sample with masking of artefacts |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5566249A (en) * | 1994-09-20 | 1996-10-15 | Neopath, Inc. | Apparatus for detecting bubbles in coverslip adhesive |
FR3018355B1 (en) * | 2014-03-05 | 2017-06-09 | Commissariat Energie Atomique | METHOD AND SYSTEM FOR CHARACTERIZING A PARTICLE ADHESION STATE, SUCH AS CELLS |
FR3034196B1 (en) | 2015-03-24 | 2019-05-31 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | PARTICLE ANALYSIS METHOD |
-
2018
- 2018-01-08 FR FR1850135A patent/FR3076617B1/en active Active
-
2019
- 2019-01-08 WO PCT/FR2019/050034 patent/WO2019135060A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3076617A1 (en) | 2019-07-12 |
WO2019135060A1 (en) | 2019-07-11 |
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