BRIEF DESCRIPTION OF THE DRAWINGS
FIGS. 1A and 1B are diagrams showing the concept of an image processing apparatus according to an embodiment of the present invention;
FIG. 2 is a diagram showing the concept of the image processing apparatus according to the embodiment of the present invention;
FIG. 3 is a block diagram showing the structure of an image recording apparatus according to an embodiment of the present invention;
FIG. 4 is a block diagram showing the structure of the image processing apparatus according to the embodiment of the present invention;
FIG. 5 is a block diagram showing the structure of a sensor in the image recording apparatus shown in FIG. 3;
FIG. 6 is a block diagram showing an example structure of a modification-information determining unit in the image processing apparatus shown in FIG. 4;
FIG. 7 is a block diagram showing an example structure of a modification processing device in the image processing apparatus shown in FIG. 4;
FIG. 8 is a diagram showing an example structure of a feature value extractor in the modification processing device shown in FIG. 7;
FIG. 9 is a diagram showing an example structure of an image signal;
FIG. 10 is a block diagram showing an example structure of a synchronization detector in the modification processing device shown in FIG. 7;
FIG. 11 is a flowchart showing an image recording process performed by the image recording apparatus shown in FIG. 3;
FIG. 12 is a flowchart showing an image modification process performed by the modification processing device shown in FIG. 7;
FIG. 13 is a flowchart showing a modification-information determining process in the image modification process shown in FIG. 12;
FIG. 14 is a diagram showing the modification-information determining process in the image modification process shown in FIG. 12;
FIG. 15 is a flowchart showing a modification process performed by the modification processing device shown in FIG. 7;
FIG. 16 is a flowchart showing a feature-value extracting process in the modification process shown in FIG. 15;
FIG. 17 is a diagram showing the feature-value extracting process in the modification process shown in FIG. 15;
FIG. 18 is a flowchart showing a playback process performed by the image processing apparatus shown in FIG. 4;
FIG. 19 is a flowchart showing a synchronization detecting process in the playback process shown in FIG. 18;
FIG. 20 is a diagram showing the synchronization detecting process in the playback process shown in FIG. 18;
FIG. 21 is a diagram showing the structure of an image recording apparatus according to another embodiment of the present invention;
FIG. 22 is a diagram showing the structure of an image processing apparatus according to another embodiment of the present invention;
FIG. 23 is a diagram showing an example structure of a modification processing device in the image processing apparatus shown in FIG. 22;
FIG. 24 is a diagram showing an example structure of a position-information playback unit in the image processing apparatus shown in FIG. 22;
FIG. 25 is a flowchart showing an image recording process performed by the image recording apparatus shown in FIG. 21;
FIG. 26 is a flowchart showing an image modification process performed by the image processing apparatus shown in FIG. 22;
FIG. 27 is a flowchart showing a position-information extracting process in the image modification process shown in FIG. 26;
FIG. 28 is a flowchart showing a modification process in the image modification process shown in FIG. 26;
FIG. 29 is a flowchart showing a playback process performed by the image processing apparatus shown in FIG. 22; and
FIG. 30 is a diagram showing a medium.