Efficient content compression and decompression system and method
A content compression/compression system and method are disclosed in which a pre-processing step is performed before any compression and a post-processing step is performed once a compressed piece of content is decompressed.
1. A method for compressing a piece of content, the method comprising:
suppressing one or more least significant raw data portions in a piece of content to generate a pre-processed piece of content; and
compressing the pre-processed piece of content using JPEG that reduces the amount of data.
2. The method of claim 1 , wherein each least significant data portion further comprises a bit-plane.
3. The method of claim 2 , wherein suppressing one or more least significant data portions further comprises removing the one or more least significant bit-planes.
4. The method of claim 2 , wherein suppressing one or more least significant data portions further comprises setting a plurality of bits in the one or more least significant bit-planes to a single value.
5. The method of claim 4 , wherein the single value is “1” or “0”.
6. The method of claim 1 , wherein the content further comprises an image, a video or an audio.
7. The method of claim 6 , wherein the image is a digital image.
8. The method of claim 1 further comprising decompressing the compressed pre-processed piece of content.
9. A method for decompressing a compressed piece of content, the method comprising:
decompressing a compressed piece of content using JPEG wherein the compressed piece of content had been pre-processed to suppress one or more least significant raw data portions is decoded to generate a decompressed piece of content; and
regenerating the suppressed one or more least significant data portions.
10. The method of claim 9 , wherein the one or more least significant data portions further comprises one or more bit-planes.
11. The method of claim 10 , wherein regenerating the suppressed one or more least significant data portions further comprises inserting a number of least significant bit-planes into the decompressed piece of content based on the number of least significant bit-planes removed from an original piece of content that was compressed.
12. The method of claim 11 , wherein the inserting a number of least significant bit-planes further comprises distributing a plurality of bits in each least significant bit-plane.
13. The method of claim 12 , wherein distributing the plurality of bits further comprises inserting “0” bits into the least significant bit-plane, inserting “1” bits into the least significant bit-plane or inserting random bit into the least significant bit-plane.
14. The method of claim 9 , wherein the compressed content further comprises a compressed image, a compressed video or a compressed audio file.
15. The method of claim 14 , wherein the compressed image is a compressed digital image.
16. A method for pre-processing a piece of content so that the piece of content is more efficiently compressed, the method comprising:
receiving a piece of content wherein the piece of content has one or more data portions including one or more least significant data portions; and
suppressing one or more least significant raw data portions in a piece of content to generate a pre-processed piece of content that is compressed using JPEG that reduce the amount of data.
17. The method of claim 16 , wherein each least significant data portion further comprises a bit-plane.
18. The method of claim 17 , wherein suppressing one or more least significant data portions further comprises removing the one or more least significant bit-planes.
19. The method of claim 17 , wherein suppressing one or more least significant data portions further comprises setting a plurality of bits in the one or more least significant bit-planes to a single value.
20. The method of claim 19 , wherein the single value is “1” or “0”.
21. The method of claim 16 , wherein the content further comprises an image, a video or an audio.
22. The method of claim 21 , wherein the image is a digital image.
23. An apparatus for compressing a piece of content, the apparatus comprising:
a hardware-based pre-processing unit that receives a piece of content, the pre-processing unit configured to suppress one or more least significant raw data portions in the piece of content to generate a pre-processed piece of content; and
a hardware-based encoding unit, coupled to the pre-processing unit, the encoding unit configured to compress the pre-processed piece of content using JPEG that reduce the amount of data.
24. The apparatus of claim 23 , wherein each least significant data portion further comprises a bit-plane.
25. The apparatus of claim 24 , wherein the pre-processing unit is configured to remove the one or more least significant bit-planes.
26. The apparatus of claim 24 , wherein pre-processing unit is configured to set a plurality of bits in the one or more least significant bit-planes to a single value.
27. The apparatus of claim 26 , wherein the single value is “1” or “0”.
28. The apparatus of claim 23 , wherein the content further comprises an image, a video or an audio.
29. The apparatus of claim 28 , wherein the image is a digital image.
30. The apparatus of claim 23 further comprising a computer having a processing unit and wherein the pre-processing unit and the encoding unit each further comprise a plurality of lines of computer code that are executed by the processing unit of the computer.
31. The apparatus of claim 23 further comprising a hardware device and wherein the pre-processing unit and the encoding unit are embodied in the hardware device.
32. The apparatus of claim 31 , wherein the hardware device is selected from a universal serial bus storage device, an external storage device, an application specific integrated circuit, a programmable logic device, a read-only memory, an electrically erasable read only memory, a flash memory or an integrated circuit that can be accessed by a processing unit.
33. An apparatus for decompressing a compressed piece of content, the apparatus comprising:
a hardware-based decoding unit that is configured to decompress a compressed piece of content using JPEG wherein the compressed piece of content, which had been pre-processed to suppress one or more least significant raw data portions, is decoded to generate a decompressed piece of content; and
a hardware-based post-processing unit configured to regenerate the suppressed one or more least significant data portions.
34. The apparatus of claim 33 , wherein the one or more least significant data portions further comprises one or more bit-planes.
35. The apparatus of claim 34 , wherein the post-processing unit is configured to insert a number of least significant bit-planes into the decompressed piece of content based on the number of least significant bit-planes removed from an original piece of content that was compressed.
36. The apparatus of claim 35 , wherein the post-processing unit is configured to distribute a plurality of bits in each least significant bit-plane.
37. The apparatus of claim 36 , wherein the post-processing unit is configured to insert “0” bits into the least significant bit-plane, insert “1” bits into the least significant bit-plane or insert random bit into the least significant bit-plane.
38. The apparatus of claim 33 , wherein the compressed content further comprises a compressed image, a compressed video or a compressed audio file.
39. The apparatus of claim 38 , wherein the compressed image is a compressed digital image.
40. The apparatus of claim 33 further comprising a computer having a processing unit and wherein the post-processing unit and the decoding unit each further comprise a plurality of lines of computer code that are executed by the processing unit of the computer.
41. The apparatus of claim 33 further comprising a hardware device and wherein the post-processing unit and the decoding unit are embodied in the hardware device.
42. The apparatus of claim 41 , wherein the hardware device is selected from a universal serial bus storage device, an external storage device, an application specific integrated circuit, a programmable logic device, a read-only memory, an electrically erasable read only memory, a flash memory or an integrated circuit that can be accessed by a processing unit.
43. An apparatus for pre-processing a piece of content so that the piece of content is more efficiently compressed, the apparatus comprising:
a hardware-based pre-processing unit configured to receive a piece of content wherein the piece of content has one or more data portions including one or more least significant raw data portions; and
wherein the hardware-based pre-processing unit is also configured to suppress one or more least significant raw data portions in a piece of content to generate a pre-processed piece of content that is compressed using JPEG that reduces the amount of data.
44. The apparatus of claim 43 , wherein each least significant data portion further comprises a bit-plane.
45. The apparatus of claim 44 , wherein the pre-processing unit is configured to remove the one or more least significant bit-planes.
46. The apparatus of claim 44 , wherein the pre-processing unit is configured to set a plurality of bits in the one or more least significant bit-planes to a single value.
47. The apparatus of claim 46 , wherein the single value is “1” or “0”.
48. The apparatus of claim 43 , wherein the content further comprises an image, a video or an audio.
49. The apparatus of claim 48 , wherein the image is a digital image.
50. The system of claim 43 further comprising a computer having a processing unit and wherein the pre-processing unit further comprise a plurality of lines of computer code that are executed by the processing unit of the computer.
51. The system of claim 43 further comprising a hardware device and wherein the pre-processing unit is embodied in the hardware device.
52. The system of claim 51 , wherein the hardware device is selected from a universal serial bus storage device, an external storage device, an application specific integrated circuit, a programmable logic device, a read-only memory, an electrically erasable read only memory, a flash memory or an integrated circuit that can be accessed by a processing unit.