1461109430-5c8730a4-1672-41a4-b9f8-95b14b98b248

1. A method comprising:
comparing, for pixels in an image frame, a luminance value for each of the pixels to a pair of different threshold luminance values to determine whether a luminance threshold condition is met for the frame;
counting a number of consecutive frames for which the luminance threshold condition is met;
comparing the number of consecutive frames counted to a frame threshold value to determine whether a frame threshold condition is met; and
generating a human-observable condition if the frame threshold condition is met,
wherein the method is performed by one or more computing devices.
2. The method of claim 1 wherein the comparing the luminance values, counting the number of consecutive frames, comparing the number of consecutive frames and generating the human-observable condition are performed during playback of the image frames.
3. The method of claim 1 wherein the comparing the luminance values, counting the number of consecutive frames, comparing the number of consecutive frames and generating the human-observable condition are performed during transfer of the image frames from a first storage medium to a second storage medium.
4. The method of claim 1 wherein the comparing the luminance values, counting the number of consecutive frames, comparing the number of consecutive frames and generating the human-observable condition are performed during capture of real-time images by an image capture device.
5. The method of clam 1 wherein the comparing, for pixels in an image frame, a luminance value for each of the pixels to a pair of different threshold luminance values to determine whether a luminance threshold condition is met for the frame is performed for all pixels in the image frame.
6. The method of claim 1 wherein the luminance threshold value is user selectable.
7. The method of claim 6 wherein the threshold condition comprises the luminance value for a selected pixel being less than the luminance threshold value.
8. The method of claim 1 wherein the frame threshold value is user selectable.
9. The method of claim 1 wherein the frame threshold condition comprises the number of consecutive frames counted being greater than the frame threshold value.
10. The method of claim 1 wherein the human-observable condition comprises an electronic message.
11. An article of manufacture comprising a non-transitory computer-readable medium having stored thereon instructions that, when executed, cause one or more processors to:
compare, for pixels in an image frame, a luminance value for each of the pixels to a pair of different threshold luminance values to determine whether a luminance threshold condition is met for the frame;
count a number of consecutive frames for which the luminance threshold condition is met;
compare the number of consecutive frames counted to a frame threshold value to determine whether a frame threshold condition is met; and
generate a human-observable condition if the frame threshold condition is met.
12. The article of claim 11 wherein the instructions that cause the one or more processors to compare the luminance values, count the number of consecutive frames, compare the number of consecutive frames and generate the human-observable condition are executed during playback of the image frames.
13. The article of claim 11 wherein the instructions that cause the one or more processors to compare the luminance values, count the number of consecutive frames, compare the number of consecutive frames and generate the human-observable condition are executed during transfer of the image frames from a first storage medium to a second storage medium.
14. The article of claim 11 wherein the instructions that cause the processors to compare, for pixels in an image frame, the luminance value for each of the pixels to the pair of different threshold luminance values to determine whether a luminance threshold condition is met for the frame is performed for all pixels in the image frame.
15. The article of claim 11 wherein the luminance threshold value is user selectable.
16. The article of claim 15 wherein the threshold condition comprises the luminance value for a selected pixel being less than the luminance threshold value.
17. The article of claim 11 wherein the frame threshold value is user selectable.
18. The article of claim 11 wherein the frame threshold condition comprises the number of consecutive frames counted being greater than the frame threshold value.
19. The article of claim 11 wherein the human-observable condition comprises an electronic message.
20. A method comprising:
comparing, for pixels in an image frame, color values to corresponding color values of a time-adjacent image to determine whether a color threshold condition exists;
counting a number of consecutive frames for which the color threshold condition exists;
comparing the number of consecutive frames for which the color threshold condition exists to a frame change threshold value to determine whether a frame change condition is met;
generating a human-observable condition if the frame change condition is met,
wherein the color threshold condition comprises a predetermined number of pixels having a color difference between the color threshold value, wherein the color difference is determined using a pair of different threshold values,
wherein the method is performed by one or more computing devices.
21. The method of claim 20 wherein color values comprise luminance values and chroma values.
22. The method of claim 21 wherein the color threshold value is user selectable.
23. The method of claim 20 wherein the frame change threshold value is user selectable.
24. The method of claim 20 wherein the human-observable condition comprises an electronic message.
25. An article of manufacture comprising a non-transitory computer-readable medium having stored thereon instructions that, when executed, cause one or more processors to:
compare, for pixels in an image frame, color values to corresponding color values of an adjacent image to determine whether a color-difference threshold condition exists;
count a number of consecutive frames for which the color threshold condition exists;
compare the number of consecutive frames for which the color threshold condition exists to a frame change threshold value to determine whether a frame change condition is met;
generate a human-observable condition if the frame change condition is met,
wherein the color threshold condition comprises a predetermined number of pixels having a color difference between the color threshold value, wherein the color difference is determined using a pair of different threshold values.
26. The article of claim 25 wherein color values comprise luminance values and chroma values.
27. The article of claim 25 wherein the color threshold value is user selectable.
28. The article of claim 25 wherein the frame change threshold value is user selectable.
29. The article of claim 25 wherein the human-observable condition comprises an electronic message.
30. A system comprising:
a storage medium;
video processing circuitry including one or more processors to execute instructions including instructions that, when executed, cause the one or more processors to automatically compare, for pixels in an image frame, a luminance value for each of the pixels to a pair of threshold luminance values to determine whether a luminance threshold condition is met for the frame, to count a number of consecutive frames for which the luminance threshold condition is met, to compare the number of consecutive frames counted to a frame threshold value to determine whether a frame threshold condition is met, and to generate a human-observable condition if the frame threshold condition is met.
31. The system of claim 30 wherein the human-observable condition comprises an electronic message.
32. A system comprising:
a storage medium;
video processing circuitry including one or more processors to execute instructions including instructions that, when executed, cause the one or more processors to automatically compare, for pixels in an image frame, color values to corresponding color values of an adjacent image to determine whether a color threshold condition exists, count a number of consecutive frames for which the color threshold condition exists, compare the number of consecutive frames for which the color threshold condition exists to a frame change threshold value to determine whether a frame change condition is met, and generate a human-observable condition if the frame change condition is met, wherein the color threshold condition comprises a predetermined number of pixels having a color difference between the color threshold value, wherein the color difference is determined using a pair of different threshold values.
33. The system of claim 32 wherein the human-observable condition comprises an electronic message.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A manufacturing method for an absorptive article having a waistband member, comprising:
transporting a continuum including waistband regions corresponding to the waistband member, wherein
in the transporting, the continuum is asymmetric with respect to a center line of the continuum in a moving direction of the continuum, and is transported while being held on at least a first belt conveyor and a second belt conveyor.
2. The manufacturing method for an absorptive article according to claim 1, wherein,
in the transporting, one of the waistband regions disposed on one side of the center line is transported by the first belt conveyor, while other one of the waistband regions disposed on other side of the center line is transported by the second belt conveyor.
3. The manufacturing method for an absorptive article according to claim 1, wherein
the first belt conveyor includes a first belt including a plurality of first suction holes for sucking the continuum,
the second belt conveyor includes a second belt including a plurality of second suction holes for sucking the continuum, and
in the transporting, the continuum is transported while being held by a suction force through the first suction holes and the second suction holes.
4. The manufacturing method for an absorptive article according to claim 3, wherein
a suction force for sucking the continuum through the plurality of first suction holes is different from a suction force for sucking the continuum through the plurality of second suction holes.
5. The manufacturing method for an absorptive article according to claim 3, wherein
a distance between the first suction hole closest to a center line and the second suction hole closest to the center line is changed in accordance with a length of the absorptive article in a direction crossing the moving direction.
6. The manufacturing method for an absorptive article according to claim 1,
wherein, in the transporting, the continuum is transported while being nipped between each of a pair of first belts of the first belt conveyor, and between each of a pair of second belts of the second belt conveyor.
7. The manufacturing method for an absorptive article according to claim 6, wherein
a distance between an overlapping portion of the pair of first belts at a center line side and an overlapping portion of the pair of second belts at a center line side is changed in accordance with the length of the absorptive article in the direction crossing the moving direction.
8. The manufacturing method for an absorptive article according to claim 1, wherein
a traveling velocity of the first belt conveyor is different from a traveling velocity of the second belt conveyor.
9. The manufacturing method for an absorptive article according to claim 1, wherein
a distance between the first belt of the first belt conveyor and the second belt of the second belt conveyor is changed in accordance with the length of the absorptive article in the direction crossing the moving direction.
10. The manufacturing method for an absorptive article according to claim 1, wherein
the first belt of the first belt conveyor and the second belt of the second belt conveyor are inclined with respect to the direction crossing the moving direction of the continuum.
11. The manufacturing method for an absorptive article according to claim 1, wherein
the moving direction of the first belt conveyor is different from the moving direction of the second belt conveyor.
12. The manufacturing method for an absorptive article according to claim 1, wherein
the absorptive article is a disposable diaper provided with a crotch region located between the one of the waistband regions and the other one of the waistband regions,
the waistband regions have the property of stretching in the moving direction, and
the crotch region has the property of stretching in the direction crossing the moving direction.
13. The manufacturing method for an absorptive article according to claim 1, wherein
the continuum includes an absorber configured to hold a liquid, and
the absorber is disposed asymmetrically with respect to the center line.
14. The manufacturing method for an absorptive article according to claim 1, wherein
the absorptive article is a disposable diaper provided with a crotch region located between one of the waistband regions and the other one of the waistband regions, and leg opening regions located on both sides of the crotch region, and
the leg opening regions are formed asymmetrically with respect to the center line.