Information processing apparatus and non-transitory computer readable medium storing program

1. An information processing apparatus comprising:

a processor configured to

receive an input image including images of a plurality of documents;

execute a provisional estimation of a region of each document of the plurality of documents included in the input image;

execute a detection of one or more items determined in advance as an item included in the document from the input image; and

execute output processing of extracting and outputting the image of each document of the plurality of documents from the input image based on the detected one or more items, wherein

the one or more items is determined in advance as the item included in the document include a plurality of items,

in the output processing, an image of a continuous region including all the plurality of items in the input image is extracted and output as one document image, and

the detection and the output processing are executed for a partial image of the region of each document of the plurality of documents obtained by the provisional estimation.

2. The information processing apparatus according to claim 1 ,

wherein, in the output processing, the partial image is extracted and output as the one document image for each continuous portion including all the plurality of items in order from one end to the other end of each region for each region obtained by the provisional estimation.

3. The information processing apparatus according to claim 2 ,

wherein the processor is configured to acquire kind information indicating a kind of the document included in the input image, and

in the detection, the one or more items determined in advance in association with the kind indicated by the acquired kind information are detected from the input image.

4. The information processing apparatus according to claim 3 ,

wherein the processor is configured to accept selection of the one or more items from a user for each kind of the document.

5. The information processing apparatus according to claim 1 , wherein, in a case where a plurality of patterns of the region is obtained by the provisional estimation,

in the output processing, a partial image divided according to a boundary between the regions in a pattern that is not adopted among the plurality of patterns is extracted and output as one document image, the partial image being a continuous portion including the plurality of items within each region for each region belonging to one pattern adopted among the plurality of patterns.

6. The information processing apparatus according to claim 5 ,

wherein the processor is configured to acquire kind information indicating a kind of the document included in the input image, and

in the detection, the one or more items determined in advance in association with the kind indicated by the acquired kind information are detected from the input image.

7. The information processing apparatus according to claim 6 ,

wherein the processor is configured to accept selection of the one or more items from a user for each kind of the document.

8. The information processing apparatus according to claim 1 ,

wherein the processor is configured to acquire kind information indicating a kind of the document included in the input image, and

in the detection, the one or more items determined in advance in association with the kind indicated by the acquired kind info nation are detected from the input image.

9. The information processing apparatus according to claim 8 ,

wherein the processor is configured to accept selection of the one or more items from a user for each kind of the document.

10. The information processing apparatus according to claim 1 , wherein the processor is configured to acquire kind information indicating a kind of the document included in the input image, and

in the detection, the one or more items determined in advance in association with the kind indicated by the acquired kind information are detected from the input image.

11. The information processing apparatus according to claim 10 ,

wherein the processor is configured to accept selection of the one or more items from a user for each kind of the document.

12. The information processing apparatus according to claim 1 , wherein the processor is configured to acquire kind information indicating a kind of the document included in the input image, and

in the detection, the one or more items determined in advance in association with the kind indicated by the acquired kind information are detected from the input image.

13. The information processing apparatus according to claim 12 ,

wherein the processor is configured to accept selection of the one or more items from a user for each kind of the document.

14. A non-transitory computer readable medium storing a program for operating a computer to execute a process, the process comprising:

receiving an input image including images of a plurality of documents;

executing a provisional estimation of a region of each document of the plurality of documents included in the input image;

executing a detection of one or more items determined in advance as an item included in the document from the input image; and

executing output processing of extracting and outputting the image of each document of the plurality of documents from the input image based on the detected one or more images, wherein

the one or more items is determined in advance as the item included in the document include a plurality of items,

in the output processing, an image of a continuous region including all the plurality of items in the input image is extracted and output as one document image, and

the detection and the output processing are executed for a partial image of the region of each document of the plurality of documents obtained by the provisional estimation.