Image compression method and image decompression method
Provided is an image decompression method of decompressing an image including a first frame and at least one second frame following the first frame, based on the first frame and landmark location information of the at least one second frame, the image decompression method including: obtaining the first frame; setting at least one landmark of the first frame; obtaining the landmark location information of the at least one second frame; and generating the at least one second frame from the first frame, based on the landmark location information of the at least one second frame, wherein the landmark location information of the at least one second frame is location information of the set at least one landmark of the first frame, in the at least one second frame.
1. An image decompression method of decompressing an image, the method comprising:
obtaining a first frame of a first image;
determining a template frame including a second image;
obtaining compressed information of one or more second frames of the first image, the compressed information of the one or more second frames including location information about at least one landmark included in the first image; and
generating the decompressed image such that the decompressed image includes a combination of the second image and the first frame and the compressed information of the one or more second frames,
wherein the second image is distinguished from the first image,
wherein the one or more second frames are subsequent to the first frame in the first image, and
wherein the generating the decompressed image includes updating the decompressed image when the location information of the one or more second frames indicates that a location of the at least one landmark has changed.
2. The method of claim 1 , wherein the determining of the template frame comprises selecting, by a user, the template frame.
3. The method of claim 1 , wherein the determining of the template frame comprises receiving the template frame from an external device.
4. The method of claim 1 , wherein the compressed information of the one or more second frames comprises compressed information about features of a face included in a frame of the one or more second frames.
5. The method of claim 4 , wherein the compressed information of the one or more second frames does not include the one or more second frames.
6. The method of claim 4 , wherein the generating the decompressed image comprises applying the compressed information about the features to the template frame.
7. The method of claim 6 , wherein the applying the compressed information about the features to the template frame includes changing a location of at least one reference of the template frame based on reference information included in the compressed information.
8. The method of claim 4 , wherein the generating the decompressed image comprises replacing a face area of the first frame with an area generated by applying the compressed information about the features to the template frame.
9. A method of compressing an image, the image comprising a first frame and one or more second frames subsequent to the first frame, the method comprising:
obtaining the image;
setting compressed reference information in the first frame;
generating compressed information about the one or more second frames based on the compressed reference information; and
sequentially processing the first frame and the one or more second frames,
wherein the setting the compressed reference information includes recognizing objects in the image, and matching locations of the objects of the first frame to objects in a template frame such that the compressed reference information includes instructions for changing the objects in the template frame.
10. The method of claim 9 , wherein the setting the compressed reference information comprises:
searching for and recognizing parts of a face in the first frame; and
generating compressed reference information about each of the recognized parts.
11. The method of claim 9 , further comprising:
before the sequentially processing the first frame and the one or more second frames, selecting, by a user, the template frame,
wherein the sequentially processing the first frame and the one or more second frames comprises processing the selected template frame.
12. The method of claim 1 , wherein the generating the decompressed image includes changing a location of at least one landmark in the second image based on a change in the first image.
13. The method of claim 12 , wherein the change in the first image includes a change between the first frame, or the one or more second frames, and a subsequent second frame.
14. The method of claim 9 , wherein the instructions for changing the objects of the template frame include instructions for changing at least one location of at least one of the objects in the template frame based on a change in the locations of the objects in the image.
15. The method of claim 1 , wherein the generating the decompressed image includes replacing a portion of the template frame with a portion of the first frame.