Optical data storage device and method

• US 8,155,312 B2
• Filed: 09/14/2006
• Issued: 04/10/2012
• Est. Priority Date: 10/18/2005
• Status: Active Grant

• Current Assignee: University of Connecticut (State of Connecticut)
• Original Assignee: University of Connecticut (State of Connecticut)
• Inventors: Javidi, Bahram, Perez-Cabre, Elisabet
• Primary Examiner(s): Zand, Kambiz
• Assistant Examiner(s): BAYOU, YONAS A
• Application Number:
  US11/531,851
• Publication Number:
  US 20070086653A1
• Time in Patent Office: 2,035 Days
• Field of Search: 380/54
• US Class Current: 380/54
• CPC Class Codes: G06K 19/06009 with optically detectable marking G06K19/063, G06K19/08 take precedence
• CPC Class Codes: G06K 19/06168 the marking being a concentric barcode
• CPC Class Codes: G06K 2019/06243 concentric-code
• CPC Class Codes: G06K 7/1421 Circular bar codes
• CPC Class Codes: G06V 10/88 Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Abstract

A device disclosed herein relates to a rotation invariant data storage device comprising, a data storage device with an optically sensible image, encoded data stored within the sensible image, and a plurality of radial vectors stores the encoded data. The encoded data comprises an image that has been encrypted to a two-dimensional (2-D) white noise matrix and converted to a one-dimensional (1-D) array.

Claims

1. A rotation invariant data storage device, comprising:

a data storage device with an optically sensible image;

encoded data stored within the sensible image; and

a plurality of radial vectors to store the encoded data, wherein the encoded data comprises an image that has been encrypted to a two-dimensional (2-D) white noise matrix and converted to a one-dimensional (1-D) array comprising a plurality of pixels;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

2. The rotation invariant data storage device of claim 1, wherein:

each radial vector includes a full copy of the data stored.

3. The rotation invariant data storage device of claim 1, wherein:

the plurality of radial vectors are encoded with a continuous function.

4. The rotation invariant data storage device of claim 1, wherein:

the plurality of radial vectors are encoded with a discrete matrices.

5. The rotation invariant data storage device of claim 1, wherein:

the encryption to a 2-D matrix includes a double random phase encryption.

6. The rotation invariant data storage device of claim 5, wherein:

the double phase encryption has been performed optically.

7. The rotation invariant data storage device of claim 5, wherein:

the double phase encryption has been performed electronically.

8. The rotation invariant data storage device of claim 5, wherein:

the double phase encryption has been performed with a key.

9. The rotation invariant data storage device of claim 1, wherein the plurality of radial vectors are provided in a first set at a first radial distance and in a second set at a second radial distance concentric with the first set.

10. The rotation invariant data storage device of claim 1, wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric half-circles.

11. A rotation invariant and scale invariant data storage identification (ID) tag, comprising:

a tag with an optically sensible image;

encoded data stored within the sensible image;

a plurality of radial vectors stores the encoded data, wherein the encoded data comprises an image that has been encrypted to a two-dimensional (2-D) white noise matrix and converted to a one-dimensional (1-D) array comprising a plurality of pixels; and

a plurality of sectors of a circular arc store the encoded data, wherein the encoded data comprises an image that has been encrypted to a two-dimensional (2-D) white noise matrix and converted to a one-dimensional (1-D) array, and the plurality of sectors are positioned within a first fraction of a circle and the plurality of radial vectors are positioned within a second fraction of the circle not containing the plurality of sectors;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

12. The rotation invariant and scale invariant data storage tag of claim 11, wherein:

the plurality of sectors in the fraction of a circle containing the plurality of sectors are positioned within concentric circular arcs.

13. The rotation invariant and scale invariant data storage tag of claim 11, wherein:

the encryption to the 2-D matrix includes a double random phase encryption.

14. The rotation invariant and scale invariant data storage tag of claim 13, wherein:

the phase encryption has been performed optically.

15. The rotation invariant and scale invariant data storage tag of claim 13, wherein:

the phase encryption has been performed electronically.

16. The rotation invariant and scale invariant data storage tag of claim 13, wherein:

the phase encryption has been performed with a key.

17. A method of encoding a data storage device, the method comprising:

encrypting an image into a two-dimensional (2-D) white noise matrix;

encoding the 2-D matrix to a one-dimensional (1-D) array;

encoding the data storage device with the 1-D array into a plurality of radial vectors comprising a plurality of pixels;

arranging the plurality of radial vectors adjacent to each other so as to form a plurality of concentric circles or arcs of circles, whereby the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

18. The method of encoding the data storage device of claim 17, further comprising:

encoding the data storage device with the 1-D array into a plurality of radial vectors with a continuous function.

19. The method of encoding the data storage device of claim 17, further comprising:

encoding the data storage device with the 1-D array into a plurality of radial vectors as discrete matrices.

20. The method of encoding the data storage device of claim 17, further comprising:

encrypting the image with double random phase encryption.

21. The method of encoding the data storage device of claim 20, further comprising:

optically encrypting the image with double random phase encryption.

22. The method of encoding the data storage device of claim 20, further comprising:

electronically encrypting the image with double random phase encryption.

23. The method of encoding the data storage device of claim 20, further comprising:

encrypting the image with double random phase encryption with a key.

24. A method of decoding an image captured from a data storage device, the method comprising:

reading out a radial vector comprising a plurality of pixels in a radial direction of the image;

decoding the radial vector of the captured image into a one-dimensional (1-D) array;

decoding the 1-D array into a two-dimensional (2-D) white noise matrix; and

decrypting the 2-D matrix with a double random phase decryption and a phase key into an image.

25. The method of claim 24, further comprising:

averaging multiple radial vectors of the image; and

decoding the averaged radial vector to attain the 1-D array.

26. A method of decoding and authenticating an image captured from a data storage device, the method comprising:

reading out a radial vector comprising a plurality of pixels in a radial direction of the image;

decoding the radial vector of the captured image into a one-dimensional (1-D) array;

decoding the 1-D array into a two-dimensional (2-D) white noise matrix;

decrypting the 2-D matrix with a double random phase decryption and a phase key into a decrypted image; and

comparing the decrypted image to a stored reference image to authenticate the data storage device.

27. A method of decoding and authenticating an image captured from a data storage device, the method comprising:

decoding adjacent sectors of the captured image into a one-dimensional (1-D) array;

decoding the 1-D array into a two-dimensional (2-D) white noise matrix;

decrypting the 2-D matrix with a double random phase decryption and a phase key into a decrypted image;

comparing the decrypted image to a stored reference image to authenticate the data storage device;

reading out a radial vector comprising a plurality of pixels in a radial direction of the image;

decoding the radial vector of the captured image into a second one-dimensional (1-D) array;

decoding the second 1-D array into a second two-dimensional (2-D) white noise matrix;

decrypting the second 2-D matrix with a double random phase decryption and a phase key into a second decrypted image; and

comparing the second decrypted image to the stored reference image to authenticate the data storage device.

28. A computer program product for encoding data to an optical data storage device in a computer environment, the computer program product comprising a non-transitory storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for facilitating a method comprising:

receiving an image to be encoded;

encrypting the image into a two-dimensional (2-D) white noise matrix;

encoding the 2-D matrix to a one-dimensional (1-D) array; and

encoding the data storage device with the 1-D array onto an optical data storage device;

wherein the optical data storage device comprises;

a plurality of radial vectors each storing encoded data, wherein the encoded data comprises the 1-D array comprising a plurality of pixels;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

29. A computer program product for decoding data captured from an optical data storage device in a computer environment, the computer program product comprising a non-transitory storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for facilitating a method comprising:

receiving encoded data from a captured image of an optical data storage device;

decoding the encoded data into a one-dimensional (1-D) array;

decoding the 1-D array into a two-dimensional (2-D) white noise matrix; and

decrypting the 2-D matrix with a double random phase decryption and a phase key into an image;

wherein the optical data storage device comprises;

a plurality of radial vectors each storing encoded data, wherein the encoded data comprises the 1-D array comprising a plurality of pixels;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

30. The method of claim 29, further comprising:

comparing the decrypted image to a stored reference image to authenticate the data storage device.

31. A distortion invariant data storage device, comprising:

an optically sensible and distortion invariant image; and

encrypted data encoded within the image;

wherein the optically sensible and distortion invariant image comprises;

a plurality of radial vectors comprising a plurality of pixels, each of the plurality of radial vectors storing the encrypted data;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels be read in a radial direction.

32. A method of encoding a data storage device, the method comprising

encrypting a reference image into a two-dimensional (2-D) white noise matrix;

encoding the 2-D matrix to a one-dimensional (1-D) array;

encoding the 1-D array into a distortion invariant image; and

applying the distortion invariant image to the data storage device;

wherein the distortion invariant image comprises;

a plurality of radial vectors comprising a plurality of pixels, each of the plurality of radial vectors storing the encrypted data;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured such that the plurality of pixels can be read in a radial direction.

33. A method of decoding an image captured from a data storage device, the method comprising:

decoding a distortion invariant image into a one-dimensional (1-D) array;

decoding the 1-D array into a two dimensional (2-D) white noise matrix; and

decrypting the 2-D matrix into an image;

wherein the distortion invariant image comprises;

a plurality of radial vectors comprising a plurality of pixels, each of the plurality of radial vectors storing encrypted data;

wherein the plurality of radial vectors are provided adjacent to each other so as to form a plurality of concentric circles or arcs of circles and the plurality of radial vectors are configured to be read in a radial direction.

34. The method of decoding an image of claim 33, the method further comprising:

comparing the decrypted image to a stored reference image to authenticate the data storage device.