Matching pursuits coding of data
View Patent ↗Briefly, in accordance with one embodiment, an approach to employing Matching Pursuits coding of data is described.
1. A method, comprising:
receiving, using a computer, multidimensional data; and
coding the multidimensional data, using a codebook of basis functions and the computer, wherein the codebook is applied as a mask to a basis function dictionary, and the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
2. The method of claim 1 , further comprising:
sending the one-dimensional basis function dictionaries to a decoder.
3. The method of claim 1 , further comprising:
determining a sampled value from a subset of the basis function dictionary; and
transmitting the sampled value to a decoder.
4. The method of claim 1 , further comprising:
determining a parameter of the basis function dictionary; and
transmitting the parameter to a decoder.
5. The method of claim 1 , further comprising:
generating the mask from the codebook; and
transmitting the mask to a decoder.
6. The method of claim 1 , further comprising:
using two-dimensional data as the multidimensional data; and
using a two-dimensional basis function dictionary as the basis function dictionary.
7. The method of claim 6 , wherein the using two dimensional data comprises using a digital image as the two-dimensional data.
8. The method of claim 1 , further comprising:
using three-dimensional data as the multidimensional data; and
using a three-dimensional basis function dictionary as the basis function dictionary.
9. The method of claim 8 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
10. The method of claim 8 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
11. The method of claim 1 , wherein the coding the multidimensional data using the codebook comprises using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
12. The method of claim 11 , wherein the coding the multidimensional data using the codebook further comprises using a basis function dictionary having a temporal dimension as the basis function dictionary.
13. The method of claim 1 , further comprising:
using data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
performing a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
14. The method of claim 1 , further comprising:
applying a transform to the multidimensional data; and
performing a matching pursuits process on the multidimensional data.
15. The method of claim 14 , wherein the applying comprises using a wavelet transform as the transform.
16. The method of claim 14 , wherein the applying comprises using a discrete cosine transform as the transform.
17. The method of claim 1 , further comprising:
storing the multidimensional data.
18. The method of claim 1 , wherein the receiving further comprises receiving the multidimensional data from a storage.
19. A method, comprising:
receiving, using a computer, multidimensional data; and
decoding the multidimensional data, using a codebook of basis functions and the computer, wherein the codebook is applied as a mask to a basis function dictionary, and wherein the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
20. The method of claim 19 , further comprising:
receiving the one-dimensional basis function dictionaries from a coder.
21. The method of claim 19 , further comprising:
receiving a sampled value of a subset of the basis function dictionary from a coder.
22. The method of claim 19 , further comprising:
receiving a parameter of the basis function dictionary from a coder.
23. The method of claim 19 , further comprising:
receiving the mask generated from the codebook from a coder.
24. The method of claim 19 , further comprising:
using two-dimensional data as the multidimensional data; and
using a two-dimensional basis function dictionary as the basis function dictionary.
25. The method of claim 24 , wherein the using the two-dimensional data comprises using a digital image as the two-dimensional data.
26. The method of claim 19 , further comprising:
using three-dimensional data as the multidimensional data; and
using a three-dimensional basis function dictionary as the basis function dictionary.
27. The method a claim 26 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
28. The method of claim 26 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
29. The method of claim 19 , wherein the decoding comprises using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
30. The method of claim 29 , wherein the decoding further comprises using a basis function dictionary having a temporal dimension as the basis function dictionary.
31. The method of claim 19 , further comprising:
using data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
performing a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
32. The method of claim 19 , further comprising:
applying a transform to the multidimensional data; and
performing a matching pursuits process on the multidimensional data.
33. The method of claim 32 , wherein the applying comprises using a wavelet transform as the transform.
34. The method of claim 32 , wherein the applying comprises using a discrete cosine transform as the transform.
35. The method of claim 19 , further comprising:
storing the multidimensional data.
36. The method of claim 19 , wherein the receiving further comprises receiving the multidimensional data from storage.
37. A tangible computer-readable medium having stored thereon computer-executable instructions that, if executed by a computer, causes the computer to perform a method comprising:
receiving multidimensional data; and
coding the multidimensional data using a codebook of basis functions, wherein the codebook is applied as a mask to a basis function dictionary, and wherein the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
38. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
send the one-dimensional basis function dictionaries to a decoder.
39. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
determine a sampled value from a subset of the basis function dictionary; and
transmit the sampled value to a decoder.
40. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
determine a parameter of the basis function dictionary; and
transmit the parameter to a decoder.
41. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
generate the mask from the codebook; and
transmit the mask to a decoder.
42. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
use two-dimensional data as the multidimensional data; and
use a two-dimensional basis function dictionary as the basis function dictionary.
43. The computer-readable medium of claim 42 , wherein the using the two-dimensional data comprises using a digital image as the two-dimensional data.
44. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
use three-dimensional data as the multidimensional data; and
use a three-dimensional basis function dictionary as the basis function dictionary.
45. The computer-readable medium of claim 44 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
46. The computer-readable medium of claim 44 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
47. The computer-readable medium of claim 37 , wherein the coding comprises using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
48. The computer-readable medium of claim 37 , wherein the coding further comprises using a basis function dictionary having a temporal dimension as the basis function dictionary.
49. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
use data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
perform a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
50. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
apply a transform to the multidimensional data; and
perform a matching pursuits process on the multidimensional data.
51. The computer-readable medium of claim 50 , wherein the applying the transform comprises using a wavelet transform as the transform.
52. The computer-readable medium of claim 50 , wherein the applying the transform comprises using a discrete cosine transform as the transform.
53. The computer-readable medium of claim 37 , wherein the instructions further cause the computer to:
store the multidimensional data.
54. The computer-readable medium of claim 37 , wherein the receiving further comprises receiving the multidimensional data from a storage.
55. A tangible computer-readable medium having stored thereon instructions that, if executed by a computer, cause the computer to perform a method comprising:
receiving multidimensional data; and
decoding the multidimensional data using a codebook of basis functions, wherein the codebook is applied as a mask to a basis function dictionary, and wherein the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
56. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
receive the one-dimensional basis function dictionaries from a coder.
57. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
receive a sampled value of a subset of the basis function dictionary from a coder.
58. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
receive a parameter of the basis function dictionary from a coder.
59. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
receive the mask generated from the codebook from a coder.
60. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
use two-dimensional data as the multidimensional data; and
use a two-dimensional basis function dictionary as the basis function dictionary.
61. The computer-readable medium of claim 60 , wherein the using the two-dimensional data comprises using a digital image as the two-dimensional data.
62. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
use three-dimensional data as the multidimensional data; and
use a three-dimensional basis function dictionary as the basis function dictionary.
63. The computer-readable medium of claim 62 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
64. The computer-readable medium of claim 62 , wherein the using the three-dimensional basis function dictionary comprises using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
65. The computer-readable medium of claim 55 , wherein the decoding comprises using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
66. The computer-readable medium of claim 65 , wherein the decoding further comprises using a basis function dictionary having a temporal dimension as the basis function dictionary.
67. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
use data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
perform a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
68. The computer-readable medium of claim 55 , wherein the instructions further cause the computer to:
apply a transform to the multidimensional data; and
perform a matching pursuits process on the multidimensional data.
69. The computer-readable medium of claim 68 , wherein the applying the transform comprises using a wavelet transform as the transform.
70. The computer-readable medium of claim 69 , wherein the applying the transform comprises using a discrete cosine transform as the transform.
71. The computer-readable medium of claim 57 , wherein the instructions further cause the computer to:
store the multidimensional data.
72. The computer-readable medium of claim 57 , wherein the receiving further includes receiving the multidimensional data from storage.
73. An apparatus, comprising:
a computer configured to:
receive multidimensional data; and
code the multidimensional data using a codebook of basis functions, wherein the codebook is applied as a mask to a basis function dictionary, and wherein the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
74. The apparatus of claim 73 , wherein the computer is further configured to send the one-dimensional basis function dictionaries to a decoder.
75. The apparatus of claim 73 , wherein the computer is further configured to:
determine a sampled value from a subset of the basis function dictionary; and
transmit the sampled value to a decoder.
76. The apparatus of claim 73 , wherein the computer is further configured to:
determine a parameter of the basis function dictionary; and
transmit the parameter to a decoder.
77. The apparatus of claim 73 , wherein the computer is further configured to:
generate the mask from the codebook; and
transmit the mask to a decoder.
78. The apparatus of claim 73 , wherein the computer is further configured to:
use two-dimensional data as the multidimensional data; and
use a two-dimensional basis function dictionary as the basis function dictionary.
79. The apparatus of claim 78 , wherein the computer is further configured to use the two-dimensional data as the multidimensional data by using a digital image as the two-dimensional data.
80. The apparatus of claim 73 , wherein the computer is further configured to:
use three-dimensional data as the multidimensional data; and
use a three-dimensional basis function dictionary as the basis function dictionary.
81. The apparatus of claim 78 , wherein the computer is further configured to use the three-dimensional basis function dictionary as the basis function dictionary by using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
82. The apparatus of claim 78 , wherein the computer is further configured to use the three-dimensional basis function dictionary as the basis function dictionary by using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
83. The apparatus of claim 73 , wherein the computer is further configured to code the multidimensional data by using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
84. The apparatus of claim 73 , wherein the computer is further configured to code the multidimensional data by using a basis function dictionary having a temporal dimension as the basis function dictionary.
85. The apparatus of claim 73 , wherein the computer is further configured to:
use data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
perform a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
86. The apparatus of claim 73 , wherein the computer is further configured to:
apply a transform to the multidimensional data; and
perform a matching pursuits process on the multidimensional data.
87. The apparatus of claim 86 , wherein the computer is further configured to apply the transform to the multidimensional data by using a wavelet transform as the transform.
88. The apparatus of claim 86 , wherein the computer is further configured to apply the transform to the multidimensional data by using a discrete cosine transform as the transform.
89. The apparatus of claim 73 , wherein the computer is further configured to:
store the multidimensional data.
90. The apparatus of claim 73 , further comprising a storage device to store the multidimensional data coupled to the computer.
91. An apparatus, comprising:
a computer configured to:
receive multidimensional data; and
decode the multidimensional data using a codebook of basis functions, wherein the codebook is applied as a mask to a basis function dictionary, and wherein the basis function dictionary comprises separable combinations of one-dimensional basis function dictionaries.
92. The apparatus of claim 91 , wherein the computer is further configured to:
receive the one-dimensional basis function dictionaries from a coder.
93. The apparatus of claim 91 , wherein the computer is further configured to:
receive a sampled value of a subset of the basis function dictionary from a coder.
94. The apparatus of claim 91 , wherein the computer is further configured to:
receive a parameter of the basis function dictionary from a coder.
95. The apparatus of claim 91 , wherein the computer is further configured to:
receive the mask generated from the codebook from a coder.
96. The apparatus of claim 91 , wherein the computer is further configured to:
use two-dimensional data as the multidimensional data; and
use a two-dimensional basis function dictionary as the basis function dictionary.
97. The apparatus of claim 96 , wherein the computer is further configured to use two-dimensional data as the multidimensional data by using a digital image as the two-dimensional data.
98. The apparatus of claim 91 , wherein the computer is further configured to:
use three-dimensional data as the multidimensional data; and
use a three-dimensional basis function dictionary as the basis function dictionary.
99. The apparatus of claim 98 , wherein the computer is further configured to use the three-dimensional basis function dictionary by using a basis function dictionary having two spatial dimensions and one temporal dimension as the three-dimensional basis function dictionary.
100. The apparatus of claim 98 , wherein the computer is further configured to use the three-dimensional basis function dictionary by using a basis function dictionary having three spatial dimensions as the three-dimensional basis function dictionary.
101. The apparatus of claim 91 , wherein the computer is further configured to decode the multidimensional data by using a basis function dictionary having more than three spatial dimensions as the basis function dictionary.
102. The apparatus of claim 101 , wherein the computer is further configured to decode the multidimensional data by using a basis function dictionary having a temporal dimension as the basis function dictionary.
103. The apparatus of claim 91 , wherein the computer is further configured to:
use data having more dimensions than a quantity of dimensions of the codebook as the multidimensional data; and
perform a matching pursuits process on portions of the multidimensional data having dimensions that are substantially equal to or lower in number than a respective codebook dimension.
104. The apparatus of claim 91 , wherein the computer is further configured to:
apply a transform to the multidimensional data; and
perform a matching pursuits process on the multidimensional data.
105. The apparatus of claim 104 , wherein the computer is further configured to decode the multidimensional data by using a wavelet transform as the transform.
106. The apparatus of claim 104 , wherein the computer is further configured to decode the multidimensional data by using a discrete cosine transform as the transform.
107. The apparatus of claim 91 , wherein the computer is further configured to:
store the multidimensional data.
108. The apparatus of claim 91 , further comprising a storage device to store the multidimensional data coupled to the computer.