TARGET COMPONENT CALIBRATION DEVICE, ELECTRONIC DEVICE, AND TARGET COMPONENT CALIBRATION METHOD

• US 20160097676A1
• Filed: 09/18/2015
• Published: 04/07/2016
• Est. Priority Date: 10/03/2014
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: KURASAWA, Hikaru, ARAI, Yoshifumi
• Application Number:
  US14/858,462
• Publication Number:
  US 20160097676A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0223 of calibration, e.g. protocols for calibrating sensors
• CPC Class Codes: A61B 2560/0247 for compensation or correction of the measured physiological value
• CPC Class Codes: A61B 2560/0252 using ambient temperature
• CPC Class Codes: A61B 5/0075 by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy A61B5/0071 takes precedence
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
• CPC Class Codes: A61B 5/1495 Calibrating or testing of in-vivo probes
• CPC Class Codes: G01J 3/0297 Constructional arrangements for removing other types of optical noise or for performing calibration
• CPC Class Codes: G01J 3/42 Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry beam switching arrangements G01J3/08
• CPC Class Codes: G01K 13/20 Clinical contact thermometers for use with humans or animals
• CPC Class Codes: G01N 21/359 using near infrared light
• CPC Class Codes: G01N 2201/1293 resolving multicomponent spectra
• CPC Class Codes: G06F 17/18 for evaluating statistical data , e.g. average values, frequency distributions, probability functions, regression analysis forecasting specially adapted for a specific administrative, business or logistic context G06Q10/04
• CPC Class Codes: G06F 18/2134 based on separation criteria, e.g. independent component analysis
• CPC Class Codes: G06F 18/21342 using statistical independence, i.e. minimising mutual information or maximising non-gaussianity
• CPC Class Codes: G06V 10/143 Sensing or illuminating at different wavelengths

Abstract

A target component calibration device includes a mixing coefficient calculating section that calculates mixing coefficients of target components regarding a test object based on observational data regarding the test object and calibration data, and a target component content calculating section that calculates the content of target components based on the mixing coefficients calculated by the mixing coefficient calculating section and a simple regression equation representing the relationship between the content and the mixing coefficients corresponding to the target components. The target component content calculating section adjusts at least one of two constants of the simple regression equation depending on a measurement condition when the observational data is obtained.

Claims

1. A target component calibration device that calculates the content of target components of a test object, the device comprising:

a test object observational data obtaining section that obtains observational data regarding the test object;

a calibration data obtaining section that obtains calibration data which includes independent components corresponding to the target components and a calibration simple regression equation;

a mixing coefficient calculating section that calculates mixing coefficients of the target components regarding the test object based on the calibration data and the observational data regarding the test object; and

a target component content calculating section that calculates the content of target components based on the simple regression equation representing the relationship between the content and the mixing coefficients corresponding to the target components, and the mixing coefficients calculated by the mixing coefficient calculating section,

wherein the target component content calculating section adjusts at least one of two constants of the simple regression equation depending on a measurement condition when the observational data is obtained.

2. The target component calibration device according to claim 1,

wherein the measurement condition is a measurement environment, and

the target component content calculating section adjusts at least one of the two constants of the simple regression equation depending on the measurement environment.

3. The target component calibration device according to claim 1,

wherein the measurement condition is a difference among examinees as the test object, and

the target component content calculating section adjusts at least one of the two constants of the simple regression equation depending on the difference among the examinees.

4. An electronic device including the target component calibration device according to claim 1.

5. An electronic device including the target component calibration device according to claim 2.

6. An electronic device including the target component calibration device according to claim 3.

7. A target component calibration method for calculating the content of target components regarding a test object, the method comprising:

(a) obtaining observational data regarding the test object;

(b) obtaining calibration data including independent components corresponding to the target components and a calibration simple regression equation;

(c) calculating mixing coefficients of the target components regarding the test object based on the calibration data and the observational data regarding the test object; and

(d) calculating the content of target components based on the simple regression equation representing the relationship between the content and the mixing coefficients corresponding to the target components and the mixing coefficients calculated in the obtaining of the mixing coefficients (c),

wherein in the calculating of the content of target components (d), at least one of two constants of the simple regression equation is adjusted depending on a measurement condition when the observational data is obtained.

8. The target component calibration method according to claim 7,

wherein the measurement condition is a measurement environment, and

in the calculating of the content of target components, at least one of the two constants of the simple regression equation is adjusted depending on the measurement environment.

9. The target component calibration method according to claim 7,

wherein the measurement condition is a difference among examinees as the test object, and

in the calculating of the content of target components, at least one of the two constants of the simple regression equation is adjusted depending on the difference among the examinees.