IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, AND RECORDING MEDIUM
First Claim
1. An image processing method comprising:
- acquiring a plurality of consecutive time-series images that have been captured by an onboard camera mounted on a vehicle and to which a first annotation indicating two or more first regions is attached, the two or more first regions including at least one person region, the plurality of consecutive time-series images at least including one or more images in which the two or more first regions are located on a path of the vehicle and a distance between the two or more first regions is smaller than or equal to a threshold;
determining, in reverse chronological order from an image corresponding to the last time point in the time series, a position of each of the two or more regions in each of the plurality of consecutive time-series images acquired in the acquiring;
identifying, from among the plurality of consecutive time-series images, a first image corresponding to a first time point for which it has been determined for the first time in the determining that none of the two or more first regions are located on the path, and setting, as a second region, a region between the two or more first regions in the identified first image; and
attaching a second annotation to the first image corresponding to the first time point, the second annotation indicating the second region set in the setting.
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Abstract
An image processing method includes acquiring consecutive time-series images captured by an onboard camera of a vehicle, having a first annotation indicating two or more first regions, and at least including one or more images in which the two or more first regions are on a path of the vehicle and a distance therebetween is smaller than or equal to a threshold; determining, in reverse chronological order from an image of the last time point, positions of the two or more regions in each consecutive time-series image; identifying, from among the consecutive time-series images, the first image of a first time point in which none of the two or more first regions are located on the path, and setting, as a second region, a region between the two or more first regions in the identified first image; and attaching a second annotation to the first image corresponding to the first time point, the second annotation indicating the second region.
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Citations
12 Claims
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1. An image processing method comprising:
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acquiring a plurality of consecutive time-series images that have been captured by an onboard camera mounted on a vehicle and to which a first annotation indicating two or more first regions is attached, the two or more first regions including at least one person region, the plurality of consecutive time-series images at least including one or more images in which the two or more first regions are located on a path of the vehicle and a distance between the two or more first regions is smaller than or equal to a threshold; determining, in reverse chronological order from an image corresponding to the last time point in the time series, a position of each of the two or more regions in each of the plurality of consecutive time-series images acquired in the acquiring; identifying, from among the plurality of consecutive time-series images, a first image corresponding to a first time point for which it has been determined for the first time in the determining that none of the two or more first regions are located on the path, and setting, as a second region, a region between the two or more first regions in the identified first image; and attaching a second annotation to the first image corresponding to the first time point, the second annotation indicating the second region set in the setting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An image processing apparatus comprising:
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an acquirer that acquires a plurality of consecutive time-series images that have been captured by an onboard camera mounted on a vehicle and to which a first annotation indicating two or more first regions is attached, the two or more first regions including at least one person region, the plurality of consecutive time-series images at least including one or more images in which the two or more first regions are located on a path of the vehicle and a distance between the two or more first regions is smaller than or equal to a threshold; a determiner that determines, in reverse chronological order from an image corresponding to the last time point in the time series, a position of each of the two or more regions in each of the plurality of consecutive time-series images acquired by the acquirer; a setter that identifies, from among the plurality of consecutive time-series images, a first image corresponding to a first time point for which it has been determined for the first time by the determiner that none of the two or more first regions are located on the path, and sets, as a second region, a region between the two or more first regions in the identified first image; and an attacher that attaches a second annotation to the first image corresponding to the first time point, the second annotation indicating the second region set by the setter.
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12. A non-transitory computer-readable recording medium storing a program thereon, the program causing a computer to execute:
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acquiring a plurality of consecutive time-series images that have been captured by an onboard camera mounted on a vehicle and to which a first annotation indicating two or more first regions is attached, the two or more first regions including at least one person region, the plurality of consecutive time-series images at least including one or more images in which the two or more first regions are located on a path of the vehicle and a distance between the two or more first regions is smaller than or equal to a threshold; determining, in reverse chronological order from an image corresponding to the last time point in the time series, a position of each of the two or more regions in each of the plurality of consecutive time-series images acquired in the acquiring; identifying, from among the plurality of consecutive time-series images, a first image corresponding to a first time point for which it has been determined for the first time in the determining that none of the two or more first regions are located on the path, and setting, as a second region, a region between the two or more first regions in the identified first image; and attaching a second annotation to the first image corresponding to the first time point, the second annotation indicating the second region set in the setting.
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Specification