Abstract

This paper proposes an open computer language (OpenCL) parallel processing method to generate the elemental image arrays (EIAs) for hexagonal lens array from a three-dimensional (3D) object such as a volume data. Hexagonal lens array has a higher fill factor compared to the rectangular lens array case; however, each pixel of an elemental image should be determined to belong to the single hexagonal lens. Therefore, generation for the entire EIA requires very large computations. The proposed method reduces processing time for the EIAs for a given hexagonal lens array. By using the proposed image space parallel processing (ISPP) method, it can enhance the processing speed that generates the 3D display of real-time interactive integral imaging for hexagonal lens array. In our experiment, we implemented the EIAs for hexagonal lens array in real-time and obtained a good processing time for a large of volume data for multiple cases of lens arrays.

© 2013 Optical Society of America

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  1. G. Lippmann, “La photographié integrale,” C. R. Acad. Sci. 146, 446–451 (1908).
  2. Y. Kim, K. Hong, and B. Lee, “Recent researches based on integral imaging display method,” 3D Research 1, 17–27 (2010).
    [CrossRef]
  3. M. Levoy and P. Hanrahan, “Light field rendering,” ACM SIGGRAPH’96 (ACM, 1996), pp. 31–36.
  4. Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).
  5. M. Halle, “Multiple viewpoint rendering,” ACM SIGGRAPH’98 (ACM, 1998), pp. 243–254.
  6. S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).
  7. S.-W. Min, “Enhanced image mapping algorithm for computer-generated integral imaging system,” Jpn. J. Appl. Phys. 45, L744–L747 (2006).
  8. K. S. Park, S.-W. Min, and Y. Cho, “Viewpoint vector rendering for efficient elemental image generation,” IEICE Trans. Inf. Syst. E90-D, 233–241 (2007).
  9. Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).
  10. G. Li, K.-C. Kwon, G.-H. Shin, J.-S. Jeong, K.-H. Yoo, and N. Kim, “Simplified integral imaging pickup method for real objects using a depth camera,” J. Opt. Soc. Korea 16, 381–385 (2012).
    [CrossRef]
  11. K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
    [CrossRef]
  12. NVIDIA, “OpenCL programming guide for the CUDA architecture,” Ver. 2.3 (2009).
  13. NVIDIA., “CUDA C programming guide,” Ver. 3.1.1 (2010).
  14. J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).
  15. N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.
  16. N. Chen, J. Yeom, J.-H. Jung, J.-H. Park, and B. Lee, “Resolution comparison between integral-imaging-based hologram synthesis methods using rectangular and hexagonal lens arrays,” Opt. Express 19, 26917–26927 (2011).
    [CrossRef]
  17. Y. Kim, J. Kim, J.-M. Kang, J.-H. Jung, H. Choi, and B. Lee, “Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array,” Opt. Express 15, 18253–18267 (2007).
    [CrossRef]
  18. M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
    [CrossRef]
  19. D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).
  20. N. Max, “Optical models for direct volume rendering,” IEEE Trans. Vis. Comp. Graph. 1, 99–108 (1995).

2012 (4)

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

G. Li, K.-C. Kwon, G.-H. Shin, J.-S. Jeong, K.-H. Yoo, and N. Kim, “Simplified integral imaging pickup method for real objects using a depth camera,” J. Opt. Soc. Korea 16, 381–385 (2012).
[CrossRef]

2011 (1)

2010 (3)

Y. Kim, K. Hong, and B. Lee, “Recent researches based on integral imaging display method,” 3D Research 1, 17–27 (2010).
[CrossRef]

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).

2007 (2)

2006 (1)

S.-W. Min, “Enhanced image mapping algorithm for computer-generated integral imaging system,” Jpn. J. Appl. Phys. 45, L744–L747 (2006).

2005 (1)

S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).

1995 (1)

N. Max, “Optical models for direct volume rendering,” IEEE Trans. Vis. Comp. Graph. 1, 99–108 (1995).

1978 (1)

Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).

1908 (1)

G. Lippmann, “La photographié integrale,” C. R. Acad. Sci. 146, 446–451 (1908).

Alam, M. A.

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

Baasantseren, G.

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

Chen, N.

N. Chen, J. Yeom, J.-H. Jung, J.-H. Park, and B. Lee, “Resolution comparison between integral-imaging-based hologram synthesis methods using rectangular and hexagonal lens arrays,” Opt. Express 19, 26917–26927 (2011).
[CrossRef]

N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.

Cho, Y.

K. S. Park, S.-W. Min, and Y. Cho, “Viewpoint vector rendering for efficient elemental image generation,” IEICE Trans. Inf. Syst. E90-D, 233–241 (2007).

Choi, H.

Choi, J.-H.

Erdenebat, M.-U.

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

Ha, J.-S.

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

Halle, M.

M. Halle, “Multiple viewpoint rendering,” ACM SIGGRAPH’98 (ACM, 1998), pp. 243–254.

Han, D.

J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).

Hanrahan, P.

M. Levoy and P. Hanrahan, “Light field rendering,” ACM SIGGRAPH’96 (ACM, 1996), pp. 31–36.

Hong, K.

Y. Kim, K. Hong, and B. Lee, “Recent researches based on integral imaging display method,” 3D Research 1, 17–27 (2010).
[CrossRef]

Igarashi, Y.

Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).

Jang, Y.-H.

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

Jeong, J.-S.

Jung, J.-H.

Jung, J.-S.

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

Kang, J.-M.

Kim, D.-H.

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

Kim, J.

Y. Kim, J. Kim, J.-M. Kang, J.-H. Jung, H. Choi, and B. Lee, “Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array,” Opt. Express 15, 18253–18267 (2007).
[CrossRef]

S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).

Kim, N.

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

G. Li, K.-C. Kwon, G.-H. Shin, J.-S. Jeong, K.-H. Yoo, and N. Kim, “Simplified integral imaging pickup method for real objects using a depth camera,” J. Opt. Soc. Korea 16, 381–385 (2012).
[CrossRef]

J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

Kim, Y.

Kwon, K.-C.

Lee, B.

N. Chen, J. Yeom, J.-H. Jung, J.-H. Park, and B. Lee, “Resolution comparison between integral-imaging-based hologram synthesis methods using rectangular and hexagonal lens arrays,” Opt. Express 19, 26917–26927 (2011).
[CrossRef]

Y. Kim, K. Hong, and B. Lee, “Recent researches based on integral imaging display method,” 3D Research 1, 17–27 (2010).
[CrossRef]

Y. Kim, J. Kim, J.-M. Kang, J.-H. Jung, H. Choi, and B. Lee, “Point light source integral imaging with improved resolution and viewing angle by the use of electrically movable pinhole array,” Opt. Express 15, 18253–18267 (2007).
[CrossRef]

S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).

N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.

Levoy, M.

M. Levoy and P. Hanrahan, “Light field rendering,” ACM SIGGRAPH’96 (ACM, 1996), pp. 31–36.

Li, G.

Lim, Y.-T.

Lippmann, G.

G. Lippmann, “La photographié integrale,” C. R. Acad. Sci. 146, 446–451 (1908).

Max, N.

N. Max, “Optical models for direct volume rendering,” IEEE Trans. Vis. Comp. Graph. 1, 99–108 (1995).

Min, S.-W.

K. S. Park, S.-W. Min, and Y. Cho, “Viewpoint vector rendering for efficient elemental image generation,” IEICE Trans. Inf. Syst. E90-D, 233–241 (2007).

S.-W. Min, “Enhanced image mapping algorithm for computer-generated integral imaging system,” Jpn. J. Appl. Phys. 45, L744–L747 (2006).

S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).

Murata, H.

Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).

Park, C.

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

Park, J.-H.

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

N. Chen, J. Yeom, J.-H. Jung, J.-H. Park, and B. Lee, “Resolution comparison between integral-imaging-based hologram synthesis methods using rectangular and hexagonal lens arrays,” Opt. Express 19, 26917–26927 (2011).
[CrossRef]

J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.

Park, K. S.

K. S. Park, S.-W. Min, and Y. Cho, “Viewpoint vector rendering for efficient elemental image generation,” IEICE Trans. Inf. Syst. E90-D, 233–241 (2007).

Shin, G.-H.

Ueda, M.

Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).

Yeom, J.

N. Chen, J. Yeom, J.-H. Jung, J.-H. Park, and B. Lee, “Resolution comparison between integral-imaging-based hologram synthesis methods using rectangular and hexagonal lens arrays,” Opt. Express 19, 26917–26927 (2011).
[CrossRef]

N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.

Yoo, K.-H.

K.-C. Kwon, C. Park, M.-U. Erdenebat, J.-S. Jeong, J.-H. Choi, N. Kim, J.-H. Park, Y.-T. Lim, and K.-H. Yoo, “High-speed image space parallel processing for computer-generated integral imaging system,” Opt. Express 20, 732–740 (2012).
[CrossRef]

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

G. Li, K.-C. Kwon, G.-H. Shin, J.-S. Jeong, K.-H. Yoo, and N. Kim, “Simplified integral imaging pickup method for real objects using a depth camera,” J. Opt. Soc. Korea 16, 381–385 (2012).
[CrossRef]

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

3D Research (1)

Y. Kim, K. Hong, and B. Lee, “Recent researches based on integral imaging display method,” 3D Research 1, 17–27 (2010).
[CrossRef]

C. R. Acad. Sci. (1)

G. Lippmann, “La photographié integrale,” C. R. Acad. Sci. 146, 446–451 (1908).

IEEE Trans. Vis. Comp. Graph. (1)

N. Max, “Optical models for direct volume rendering,” IEEE Trans. Vis. Comp. Graph. 1, 99–108 (1995).

IEICE Trans. Inf. Syst. (1)

K. S. Park, S.-W. Min, and Y. Cho, “Viewpoint vector rendering for efficient elemental image generation,” IEICE Trans. Inf. Syst. E90-D, 233–241 (2007).

J. Korea Contents Assoc. (2)

Y.-H. Jang, C. Park, J.-S. Jung, J.-H. Park, N. Kim, J.-S. Ha, and K.-H. Yoo, “Integral imaging pickup method of biomedical data using GPU and Octree,” J. Korea Contents Assoc. 10, 1–9 (2010).

D.-H. Kim, C. Park, J.-S. Jung, K.-C. Kwon, N. Kim, and K.-H. Yoo, “Parallel processing method for generating elemental images from hexagonal lens array,” J. Korea Contents Assoc. 12, 1–8 (2012).

J. Opt. Soc. Korea (1)

J. Soc. Inf. Disp. (1)

M. A. Alam, G. Baasantseren, M.-U. Erdenebat, N. Kim, and J.-H. Park, “Resolution enhancement of integral imaging three-dimensional display using directional elemental image projection,” J. Soc. Inf. Disp. 20, 221–227 (2012).
[CrossRef]

Jpn. J. Appl. Phys. (3)

S.-W. Min, J. Kim, and B. Lee, “New characteristic equation of three-dimensional integral imaging system and its applications,” Jpn. J. Appl. Phys. 44, L71–L74 (2005).

S.-W. Min, “Enhanced image mapping algorithm for computer-generated integral imaging system,” Jpn. J. Appl. Phys. 45, L744–L747 (2006).

Y. Igarashi, H. Murata, and M. Ueda, “3D display system using a computer-generated integral photography,” Jpn. J. Appl. Phys. 17, 1683–1684 (1978).

Opt. Express (3)

Proc. SPIE (1)

J.-H. Park, D. Han, and N. Kim, “Capture of the three-dimensional information based on integral imaging and its sampling analysis,” Proc. SPIE 7848, 1B1–1B9 (2010).

Other (5)

N. Chen, J. Yeom, J.-H. Park, and B. Lee, “High-resolution Fourier hologram generation using hexagonal lens array based on integral imaging,” in Digest of International Meeting on Information Display (Korean Information Display Society, 2011), pp. 729–730.

NVIDIA, “OpenCL programming guide for the CUDA architecture,” Ver. 2.3 (2009).

NVIDIA., “CUDA C programming guide,” Ver. 3.1.1 (2010).

M. Halle, “Multiple viewpoint rendering,” ACM SIGGRAPH’98 (ACM, 1998), pp. 243–254.

M. Levoy and P. Hanrahan, “Light field rendering,” ACM SIGGRAPH’96 (ACM, 1996), pp. 31–36.

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Figures (11)

Fig. 1.
Fig. 1.

General procedure of the real-time interactive integral imaging display using the proposed ISPP method.

Fig. 2.
Fig. 2.

HLA involves more elemental lenses than RLA. For example, (a) 6×6 hexagonal lenses can be contained while (b) 5×5 rectangular lenses are included in the S area where elemental lens pitches are same, defined as P. The number of PLSs is equivalent to the number of elemental lenses: in the (c) HLA case and (d) RLA case.

Fig. 3.
Fig. 3.

Difference between (a) hexagonal index of the HLA and (b) rectangular index of the RLA based on inputted lens array information, where the arbitrary pixel is illustrated as a green star located in the near field to the edge of an elemental image.

Fig. 4.
Fig. 4.

Process to determine belonging lens index for arbitrary pixel shown as green star.

Fig. 5.
Fig. 5.

EIA generation process of the previous ISPP method for HLA with N×N elemental.

Fig. 6.
Fig. 6.

EIA generation process of the proposed ISPP method: centers of the lenses are determined only once in preprocessing part and output pixel information is determined in rendering part for each pixel.

Fig. 7.
Fig. 7.

Demonstration for the real-time interactive integral imaging 3D display using the proposed ISPP method. When generated EIAs are displayed on the LCD, HLA reconstructs them as 3D images.

Fig. 8.
Fig. 8.

Example of experimental results captured from multiple viewing directions, which presents interactive feature: (a) Original volume data “Teapot” from multiple viewing directions, (b) generated EIAs for the “Teapot” object from corresponding viewing directions, and (c) reconstructed 3D images through HLA for the corresponding EIAs displayed on the LCD.

Fig. 9.
Fig. 9.

EIAs and reconstructed 3D images for the multiple 3D volume data: (a) Teddy, (b) Male, and (c) Mouse.

Fig. 10.
Fig. 10.

Processing time graphs of the large (512×512×512 pixels) 3D object in multiple lens array cases comparing with previous HLA-based ISPP method.

Fig. 11.
Fig. 11.

Extraction EIA of the object Mouse with its processing time for (a) 30×30 and (b) 125×125 lenses.

Tables (2)

Tables Icon

Table 1. Specifications of 3D Volume Data and Devices Required in the Experiment

Tables Icon

Table 2. Processing Time Comparison between Previous and Proposed HLA-based ISPP Method for the Corresponding Objects When Using Different Lens Arrays

Metrics