TI (Temporal Information)

General info

Metric type

no-reference temporal metric

Value range

(simple, static video) 0..1 (very diverse frames)

Value interpretation

bigger more diverse frames

MSU VQMT implementations

CPU multithreaded

MSU VQMT visualization

pixel-wise, difference between adjacent frames

Available colorspaces

Y

Output values

metric value

Aggregated values

standard set

MSU VQMT usages

-metr ti

External links

ITU-T Recommendation P.910: Subjective video quality assessment methods for multimedia applications, 1999. – 37 p.

Algorithm description

This metric measures complexity (entropy) of defference between consequent frames of input video. This metric represents simplest TI realization that takes standard deviation of sequence of differences of corresponding pixel values of a frame and previous frame:

Benchmark

Choose benchmark:
Implementation System & settings Colors Resolution FPS Sec. per frame
VQMT 14.0 TI multithreaded Y HD 720p 706.82 0.002
VQMT 14.0 TI multithreaded Y FullHD 1080p 290.23 0.005
VQMT 14.0 TI multithreaded Y 4K 2160p 70.23 0.016
VQMT 14.0 TI singlethreaded Y HD 720p 166.74 0.007
VQMT 14.0 TI singlethreaded Y FullHD 1080p 65.31 0.016
VQMT 14.0 TI singlethreaded Y 4K 2160p 21.69 0.049
Measurements were done on VQMT 14.0 BETA r12792 PRO for Windows.
CPU: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, 8 cores
GPU: NVIDIA CUDA/GeForce GTX 660 Ti
Values can vary depending on system configuration, input format and other factors
Implementation System & settings Colors Resolution FPS Sec. per frame
VQMT 13.1 TI multithreaded Y HD 720p 719.8 0.002
VQMT 13.1 TI multithreaded Y FullHD 1080p 280.3 0.004
VQMT 13.1 TI multithreaded Y 4K 2160p 67.05 0.016
VQMT 13.1 TI singlethreaded Y HD 720p 169.36 0.007
VQMT 13.1 TI singlethreaded Y FullHD 1080p 66.09 0.016
VQMT 13.1 TI singlethreaded Y 4K 2160p 21.42 0.049
Measurements were done on VQMT 13.1 r12792 PRO for Windows.
CPU: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, 8 cores
GPU: NVIDIA CUDA/GeForce GTX 660 Ti
Values can vary depending on system configuration, input format and other factors
Implementation System & settings Colors Resolution FPS Sec. per frame
VQMT 14.0 TI multithreaded Y HD 720p 1459.05 0.001
VQMT 14.0 TI multithreaded Y FullHD 1080p 729.13 0.003
VQMT 14.0 TI multithreaded Y 4K 2160p 127.44 0.012
VQMT 14.0 TI singlethreaded Y HD 720p 135.93 0.007
VQMT 14.0 TI singlethreaded Y FullHD 1080p 59.74 0.017
VQMT 14.0 TI singlethreaded Y 4K 2160p 21.09 0.048
Measurements were done on VQMT 14.0 BETA r12792 PRO for Linux.
CPU: Intel(R) Xeon(R) Silver 4216 CPU @ 2.10GHz, 64 cores
GPU: NVIDIA CUDA/TITAN RTX
Values can vary depending on system configuration, input format and other factors

Example

Choose example:
Original, TI-y=0.0147
LQ H264, TI-y=0.0033
MSU VQMT visualization
Original, TI-y=0.0147
Blurring, TI-y=0.0038
MSU VQMT visualization
Original, TI-y=0.0147
Random points, TI-y=0.0232
MSU VQMT visualization
Original, TI-y=0.0147
Luminance shift, TI-y=0.0147
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=2, TI-y=0.0192
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=5, TI-y=0.0199
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=10, TI-y=0.0186
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=15, TI-y=0.0180
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=20, TI-y=0.0171
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=40, TI-y=0.0160
MSU VQMT visualization
Original, TI-y=0.0147
JPEG Q=80, TI-y=0.0152
MSU VQMT visualization
Choose example:
Original, TI-y=0.1066
LQ H264, TI-y=0.1053
MSU VQMT visualization
Original, TI-y=0.1066
Blurring, TI-y=0.0823
MSU VQMT visualization
Original, TI-y=0.1066
Random points, TI-y=0.1075
MSU VQMT visualization
Original, TI-y=0.1066
Luminance shift, TI-y=0.1065
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=2, TI-y=0.1121
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=5, TI-y=0.1079
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=10, TI-y=0.1068
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=15, TI-y=0.1061
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=20, TI-y=0.1058
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=40, TI-y=0.1057
MSU VQMT visualization
Original, TI-y=0.1066
JPEG Q=80, TI-y=0.1056
MSU VQMT visualization
Choose example:
Original, TI-y=0.0004
LQ H264, TI-y=0.0127
MSU VQMT visualization
Original, TI-y=0.0004
Blurring, TI-y=0.0005
MSU VQMT visualization
Original, TI-y=0.0004
Random points, TI-y=0.0206
MSU VQMT visualization
Original, TI-y=0.0004
Luminance shift, TI-y=0.0004
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=2, TI-y=0.0021
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=5, TI-y=0.0016
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=10, TI-y=0.0011
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=15, TI-y=0.0011
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=20, TI-y=0.0013
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=40, TI-y=0.0010
MSU VQMT visualization
Original, TI-y=0.0004
JPEG Q=80, TI-y=0.0009
MSU VQMT visualization

Legacy notes

In VQMT 12 metric was optimized, consider correct range, added legacy mode.