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Towards Measurement of Perceived Differences Using EEG
Published on Dec 03, 20122487 Views
An approach towards the direct measurement of perceived differences using electroencephalography (EEG) is presented. Subjects viewed video clips while their brain activity was registered using EEG. Th
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Towards measurement of Perceived Differences Using EEG00:00
Joint work with00:11
The Video Coding Problem (1)01:08
The Video Coding Problem (2)01:55
How Does Video Work? (1)03:03
How Does Video Work? (2)03:11
How Does Video Work? (3)03:21
How Does Video Work? (4)03:44
How Does Video Coding Work? 03:51
Human Perception in Video Coding04:24
Traditional Video Coding Setup04:51
We Need More Brain in Video Coding (1)05:26
Brain-Based Measurement05:41
The EEG background noise05:58
Experimental Design: 1st Experiment06:39
Experimental Design08:47
We Need More Brain in Video Coding (2)09:21
Psychometric Functions from Detection Task09:25
We Need More Brain in Video Coding (3)10:00
Methods: Event-Related Potentials10:11
Methods: Classification10:37
Results: Event-Related Potentials11:56
Results for Subject S112:51
Results for Subject S213:15
Comments on P3 Measurements13:39
We Need More Brain in Video Coding (4)14:13
SSVEP Stimulus (1)14:27
SSVEP Stimulus (2)14:34
The SSVEP Amplitude Spectrum (1)14:35
Experiment Design 2nd Experiment14:36
The SSVEP Amplitude Spectrum14:56
Filtering for the SSVEPs15:41
SSVEP Amplitude vs. Quality15:53
2nd Harmonic Peak Over Lateral Cortex16:25
Sweep Record, 2nd harmonic, HC08416:30
Spatial Resolution Sweep17:03
The SSVEP Amplitude Spectrum (2)18:17
Result for Spational Resolution Sweep18:27
Comments on Sweep Measurements18:48
Conclusions20:01
Future Research20:40
Questions?21:49