LightField Dataset
Schema for light field dataset metadata
Note
The following top-level properties are required: name, category, original-format, url, original-size, encode-size.
Properties
[Required] name
Path: LightField Dataset > name
Type |
|
Required |
Yes |
Unique name identifying the light field dataset
Example(s):
"Danger_de_Mort"
"Bikes"
"tarot"
[Required] category
Path: LightField Dataset > category
Type |
|
Required |
Yes |
Type of light field capture system
Example(s):
"lenslets"
"hdcas"
[Required] original-format
Path: LightField Dataset > original-format
Type |
|
Required |
Yes |
File format of the source images
Example(s):
"ppm"
"png"
"yuv"
[Required] url
Path: LightField Dataset > url
Type |
|
Required |
Yes |
Download URL for the dataset archive
Example(s):
"https://plenodb.jpeg.org/lf/pleno_lf/Danger_de_Mort.zip"
"https://plenodb.jpeg.org/lf/pleno_lf/Bikes.zip"
[Optional] target-rates
Path: LightField Dataset > target-rates
Type |
|
Required |
No |
Target bitrates for encoding (used with hdcas)
Example(s):
[
0.005,
0.02,
0.1,
0.75
]
[Required] original-size
Path: LightField Dataset > original-size
Type |
|
Required |
Yes |
Original dimensions before any processing
[Required] view-height
Path: LightField Dataset > original-size > view-height
Type |
|
Required |
Yes |
Example(s):
434
1024
[Required] view-width
Path: LightField Dataset > original-size > view-width
Type |
|
Required |
Yes |
Example(s):
625
1024
[Required] number-of-rows
Path: LightField Dataset > original-size > number-of-rows
Type |
|
Required |
Yes |
Example(s):
15
17
[Required] number-of-columns
Path: LightField Dataset > original-size > number-of-columns
Type |
|
Required |
Yes |
Example(s):
15
17
[Optional] pre-processing
Path: LightField Dataset > pre-processing
Type |
|
Required |
No |
Optional preprocessing steps applied. For example, in Set2 2K sub, views were subsampled (step_width=3, step-height=2) and renamed for encoder compatibility.
Original view filenames: 002_000, 005_000, …, 095_000, 098_000 002_002, 005_002, …, 098_002 … 002_020, 005_020, …, 098_020
Renamed to (JPLM-compatible): 000_000, 001_000, …, 031_000, 032_000 000_001, 001_001, …, 032_001 … 000_010, 001_010, …, 032_010
[Optional] resize
Path: LightField Dataset > pre-processing > resize
Type |
|
Required |
No |
[Optional] initial-width
Path: LightField Dataset > pre-processing > resize > initial-width
Type |
|
Required |
No |
Example(s):
2
[Optional] initial-height
Path: LightField Dataset > pre-processing > resize > initial-height
Type |
|
Required |
No |
Example(s):
2
[Optional] step_width
Path: LightField Dataset > pre-processing > resize > step_width
Type |
|
Required |
No |
Example(s):
3
[Optional] step-height
Path: LightField Dataset > pre-processing > resize > step-height
Type |
|
Required |
No |
Example(s):
2
[Required] encode-size
Path: LightField Dataset > encode-size
Type |
|
Required |
Yes |
Dimensions used during encoding
[Required] view-height
Path: LightField Dataset > encode-size > view-height
Type |
|
Required |
Yes |
Example(s):
434
1024
[Required] view-width
Path: LightField Dataset > encode-size > view-width
Type |
|
Required |
Yes |
Example(s):
625
1024
[Required] number-of-rows
Path: LightField Dataset > encode-size > number-of-rows
Type |
|
Required |
Yes |
Example(s):
11
17
[Required] number-of-columns
Path: LightField Dataset > encode-size > number-of-columns
Type |
|
Required |
Yes |
Example(s):
11
17