Information processing device, information processing method, and program

Claims

1. A weighting means that determines a weight for each of the multiple reference images, which are SAR images that observe the target region, and one or more target images that are SAR images that observe the target region and are to be analyzed, based on the observation conditions of each of the multiple reference images. The system includes a reconstruction means for reconstructing three-dimensional information of the target region based on the plurality of reference images weighted using the determined weights. Information processing device.

2. The weights are determined according to the degree to which the observation conditions of the reference image are likely to cause errors in detecting changes in the target region. The weight of the reference image that is less likely to cause the aforementioned error is greater than the weight of the reference image that is more likely to cause the aforementioned error. The information processing apparatus according to claim 1.

3. The system further comprises detection means for detecting changes in the target region using the aforementioned image to be analyzed and the reconstructed three-dimensional information. The information processing apparatus according to claim 1 or 2.

4. The aforementioned observation conditions are the conditions at the time of observation of the target area, and include conditions relating to the trajectory of the flying object used to observe the target area, the observation period, weather, events, and at least one of the predetermined attributes relating to the area included in the target area. The information processing apparatus according to claim 1 or 2.

5. The aforementioned three-dimensional information is First information, which is three-dimensional information of the target region that does not include phase components, This includes a second piece of information which is three-dimensional information of the target region including the phase component, The aforementioned weights are, A first weight for reconstructing the first information, Includes a second weight for reconstructing the second information. The information processing apparatus according to claim 1 or 2.

6. The aforementioned weighting means is A first weight determination means for determining the first weight for each of the plurality of reference images based on the observation conditions for each of the plurality of reference images and the one or more images to be analyzed, The system includes a second weight determination means for determining the second weight for each of the plurality of reference images based on the observation conditions for each of the plurality of reference images and the one or more images to be analyzed, The aforementioned reconstruction means is A first reconstruction means for reconstructing the first information using the plurality of reference images and the first weight, The system includes a second reconstruction means for reconstructing the second information using the plurality of reference images and the second weight, At least one of the first information and the second information is reconstructed using the other of the first information and the second information. The information processing apparatus according to claim 5.

7. The aforementioned weighting means is A first weight determination means for determining a plurality of first weight groups based on the observation conditions of each of the plurality of reference images, The system includes a second weight determination means for determining the second weight for each of the plurality of reference images based on the observation conditions for each of the plurality of reference images and the one or more images to be analyzed, The first weight group consists of a first weight for each of the plurality of reference images, The aforementioned reconstruction means is A first reconstruction means for reconstructing the first information using the plurality of reference images and each of the plurality of first weight groups, The system includes a second reconstruction means for reconstructing the second information using the integrated information obtained by integrating the plurality of first pieces of information and the second weight. The information processing apparatus according to claim 5.

8. The aforementioned observation conditions include at least the aforementioned attributes, The weight is determined for each of the one or more regions that belong to the attribute, if each of the multiple reference images contains one or more regions that belong to the attribute. The information processing apparatus according to claim 4.

9. One or more computers, Based on the observation conditions of each of the following: multiple reference images, which are SAR images observing the target region, and one or more target images, which are SAR images observing the said target region and are to be analyzed, a weight is determined for each of the multiple reference images. Based on the multiple reference images weighted using the determined weights, the three-dimensional information of the target region is reconstructed. Information processing methods.

10. On one or more computers, Based on the observation conditions of each of the following: multiple reference images, which are SAR images observing the target region, and one or more target images, which are SAR images observing the said target region and are to be analyzed, a weight is determined for each of the multiple reference images. A program for reconstructing three-dimensional information of the target region based on the multiple reference images weighted using the determined weights.