Detection method and detection pad
AssigneeQstag Co., Ltd.
InventorDong Hoon Lee
Life of this patent
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Abstract
A detection method according to the present embodiment comprises the steps of (a) photographing a first reference color area indicated by a first reference color, a second reference color area indicated by a second reference color, and a detection region reacting with a target so as to change color, (b) converting a photography result into a single element, (c) extracting a single element gradation value from the converted photography result, (d) converting the extracted single element gradation value into a standard gradation value, and (e) detecting the concentration of the target from the standard gradation value.
Claims20
A detection method comprising:
- (a) photographing a first reference color area displayed in a first reference color, a second reference color area displayed in a second reference color, and a detection area of which a color is changed in response to a target;
- (b) converting a photography result into a single factor;
- (c) extracting a single factor gradation value from the converted photography result;
- (d) converting the extracted single factor gradation value into a standard gradation value;
- and
- (e) detecting a concentration of the target from the standard gradation value.
A detection pad for testing a target in a fluid, the detection pad comprising:
- a machine-readable code displayed in a first reference color;
- a second reference color area used for removing an influence of a color change caused by the fluid;
- and
- reagent patches, each including a reagent of which a color is changed in response to the target,
- wherein the machine-readable code is a quick response (QR) code of a quadrangle having three vertices at which orientation markers are displayed, and
- wherein the detection pad further comprises:
- a center point between two orientation markers diagonally located in the quadrangle,
- a reference point at a distance corresponding to a predetermined ratio of a length between the orientation markers from the center point;
- and
- all the reagent patches of the detection pad located in detection area, along an arc defined by rotating the reference point by a first angle θ1 and a second angle θ2 with respect to the center point located within a display of the machine-readable code.
Dependencies are inferred from the claim text.