Presented on November 13, 2018, at the Graph Meeting.

1. Lossy Light Field Compression
David Barina
November 13, 2018

2. Plenoptic function
P(x, y, z, θ, φ, λ, t)

3. Plenoptic function: representations
texture, depth map, point cloud, light field, hologram

4. 4D Light Field (Lytro Illum)

5. 4D Light Field (8 × 8 camera array)

6. 4D Light Field (8 × 8 camera array)

7. Light field compression
existing work
2D images (independent): JPEG, JPEG 2000, JPEG XR,
SPIHT, H.264, H.265
2D images (video coding): H.264, H.265
3D volume: 3D DCT (weird)
not seen
2D images (independent): AVIF
2D images (video coding): AV1
3D volume: JP3D (JPEG 2000: Part 10), 3D JPEG
4D hypervolume: 4D JPEG, 4D JPEG 2000

8. Results (8 × 8 camera array)
15
20
25
30
35
40
45
50
55
0 2 4 6 8 10 12 14 16
PSNR[dB]
bitrate [bpp]
2D JPEG 2000
3D JPEG 2000

9. Results (Lytro Illum)
15
20
25
30
35
40
45
50
55
0 2 4 6 8 10 12 14
PSNR[dB]
bitrate [bpp]
2D JPEG 2000
3D JPEG 2000