Output device, method, non-transitory computer readable recording medium and display device
An output device includes: an acquisition part that acquires a first image covering excrement captured by a camera to photograph an inside of a bowl of a toilet; a dividing part that divides the acquired first image into a plurality of divisional areas; a calculation part that calculates an area representative value including a representative value of each of the color components of each of the divisional areas; and an output part that outputs the calculated area representative value.
1 . An output device for outputting information about excrement, comprising:
a processor; and
a memory, wherein
the processor is configured to:
acquire a first image covering the excrement captured by a camera to photograph an inside of a bowl of a toilet, the first image containing one or more color components;
detect whether the first image contains an image of the excrement;
divide the acquired first image into a plurality of divisional areas;
calculate an area representative value including a representative value of each of the color components of each of the divisional areas; and
output the calculated area representative value, wherein
the dividing operation divides the first image by a predetermined number of pixels in a vertical direction and a horizontal direction, into the divisional areas containing pixels of the excrement when the detecting operation detects that the first image contains the image of the excrement,
a pixel value of each of all pixels included in each of the divisional areas is set to the area representative value corresponding to each of the divisional areas, and
the calculating operation calculates an area representative value of the divided divisional areas using only pixels of the excrement for the divided divisional area containing a contour of the image of the excrement, and
the processor is further configured to:
acquire a second image not covering the excrement captured by the camera;
extract, from the acquired second image, a pixel group including pixels constituting a drain hole of the toilet, the pixel group being calculated in advance through calibration; and
remove the pixel group from the first image, and divide the first image subjected to the removal into a plurality of divisional areas.
2 . The output device according to claim 1 , wherein the processor is further configured to
calculate, for the second image, a toilet representative value including a representative value of each of the color components in a region corresponding to a predetermined portion of the bowl except for the drain hole, and
extract, as a pixel in the image pixel group, a pixel having a pixel value out of a predetermined range including the toilet representative value.
3 . The output device according to claim 1 , wherein the processor is further configured to extract the pixel group at a time when the output device is arranged or at a fixed interval.
4 . The output device according to claim 1 , wherein the processor is further configured to
detect a state of the excrement from the first image, and
determine, based on the detected state, a dividing number by which the first image is divided into the divisional areas.
5 . The output device according to claim 4 , wherein the processor is further configured to increase the dividing number when the excrement is at least in a state of containing blood or a state of containing undigested stool.
6 . The output device according to claim 1 , wherein the processor is further configured to divide a predetermined specific area of the first image including the drain hole of the toilet into a plurality of divisional areas.
7 . The output device according to claim 1 , wherein the processor is further configured to output the area representative value to the server connected via a network.
8 . The output device according to claim 1 , wherein the one or more color components include red, green, and blue components.
9 . The output device according to claim 1 , wherein the area representative value takes an average value of pixel values for each of the color components of each of the divisional areas.
10 . The output device according to claim 1 , wherein the calibration is executed at time of arrangement of the output device or periodically after the arrangement of the output device.
11 . An output device for outputting information about excrement, comprising:
a processor; and
a memory, wherein
the processor is configured to:
acquire a first image covering the excrement captured by a camera to photograph an inside of a bowl of a toilet, the first image containing one or more color components,
detect whether the first image contains an image of the excrement,
divide the acquired first image into a plurality of divisional areas,
calculate an area representative value including a representative value of each of the color components of each of the divisional areas, and
output the calculated area representative value, wherein
the dividing operation divides the first image by a predetermined number of pixels in a vertical direction and a horizontal direction, into the divisional areas containing pixels of the excrement when the detecting operation detects that the first image contains the image of the excrement,
a pixel value of each of all pixels included in each of the divisional areas is set to the area representative value corresponding to each of the divisional areas, and
the calculating operation calculates an area representative value of the divided divisional areas using only pixels of the excrement for the divided divisional area containing a contour of the image of the excrement, and
the processor is further configured to:
acquire a second image not covering the excrement captured by the camera;
extract, from the acquired second image, a pixel group including pixels constituting a stain adhered to the toilet, the pixel group being calculated in advance through calibration,
store the pixel group in the memory; and
remove the pixel group from the first image, and divide the first image subjected to the removal into a plurality of divisional areas.
12 . A method for an output device that outputs information about excrement, by a processor included in the output device, comprising:
acquiring a first image covering the excrement captured by a camera to photograph an inside of a bowl of a toilet, the first image containing one or more color components;
detecting whether the first image contains an image of the excrement;
dividing the acquired first image into a plurality of divisional areas;
calculating an area representative value including a representative value of each of the color components of each of the divisional areas; and
outputting the calculated area representative value, wherein
the dividing operation divides the first image by a predetermined number of pixels in a vertical direction and a horizontal direction, into the divisional areas containing pixels of the excrement when the detecting operation detects that the first image contains the image of the excrement,
a pixel value of each of all pixels included in each of the divisional areas is set to the area representative value corresponding to each of the divisional areas, and
the calculating operation calculates an area representative value of the divided divisional areas using only pixels of the excrement for the divided divisional area containing a contour of the image of the excrement, wherein the method further comprises performing with the processor:
acquiring a second image not covering the excrement captured by the camera;
extracting, from the acquired second image, a pixel group including pixels constituting a drain hole of the toilet;
storing the pixel group in a memory, the pixel group being calculated in advance through calibration; and
removing the pixel group from the first image, and dividing the first image subjected to the removal into a plurality of divisional areas.
13 . A non-transitory computer-readable recording medium storing a program for causing a computer to serve as an output device that outputs information about excrement, comprising:
causing a processor included in the output device to execute:
acquiring a first image covering the excrement captured by a camera to photograph an inside of a bowl of a toilet, the first image containing one or more color components;
detecting whether the first image contains an image of the excrement;
dividing the acquired first image into a plurality of divisional areas;
calculating an area representative value including a representative value of each of the color components of each of the divisional areas; and
outputting the calculated area representative value, wherein
the dividing operation divides the first image by a predetermined number of pixels in a vertical direction and a horizontal direction, into the divisional areas containing pixels of the excrement when the detecting operation detects that the first image contains the image of the excrement,
a pixel value of each of all pixels included in each of the divisional areas is set to the area representative value corresponding to each of the divisional areas, and
the calculating operation calculates an area representative value of the divided divisional areas using only pixels of the excrement for the divided divisional area containing a contour of the image of the excrement,
the program further causing the processor to further execute:
acquiring second image not covering the excrement captured by the camera;
extracting, from the acquired second image, a pixel group including pixels constituting a drain hole of the toilet;
storing the pixel group in a memory, the pixel group being calculated in advance through calibration; and
removing the pixel group from the first image, and dividing the first image subjected to the removal into a plurality of divisional areas.