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F1 Phase 1 Picture Quality Test at SEL: 2/12/13 Session
F1 Phase 1 Picture Quality Test at SEL: 2/12/13 Session
Overview
Overview
A
A
A 25 avg
A 25 avg
Participants
Participants
2/7/13 Session
2/7/13 Session
Overview
Overview
A
A
A
A
Participants
Participants

Презентация: «Picture Quality Test at SEL:». Автор: nick. Файл: «Picture Quality Test at SEL:.pptx». Размер zip-архива: 49 КБ.

Picture Quality Test at SEL:

содержание презентации «Picture Quality Test at SEL:.pptx»
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1 F1 Phase 1 Picture Quality Test at SEL: 2/12/13 Session

F1 Phase 1 Picture Quality Test at SEL: 2/12/13 Session

2 Overview

Overview

Double-blind test (moderator did not know the file attributes at the time of the test) 84” TV settings as defined by Kuni Takahashi AV files (same showreel as tested in Tokyo) from Yoshi Takashima Eldorado, LoA, Amazing Spiderman & Bad Teacher Eldorado “sky” scene with banding was skipped Player: Phase 0 hardware, MPC. Subjects were asked to consider from point of view of target consumer and reviewer.

3 A

A

25 average 50 max

14

B

BD Upscaled

19

C

50 average 100 max

15

Phase 1: Double-Blind Viewing Test Results 2/12/13

Showreel

Bitrate

Aggregate score by 8 observers (lower score = better)

4 A 25 avg

A 25 avg

50 max.

3

1

2

3

1

1

1

2

B BD Upscaled

2

3

3

2

2

2

2

3

C 50 avg. 100 max.

1

2

1

1

3

3

3

1

Phase 1: Blind Viewing Test Results 2/12/13 Actual scores

BD Upscaled score was significantly lower than others, was NOT chosen as “best” by anyone. Results for 25 and 50 were very close, with 25 scoring slightly higher. Results for 25 and 50 were consistent with 2/7/13 test. 4 people chose 25 as best, 4 chose 50 as best.

5 Participants

Participants

Phil Molyneux Mike Lucas Ray Stanley Pablo Espinoza Klaus Hofrichter Akira Oba Taka Miyama Nick Colsey

Moderator: Jason Clement

6 2/7/13 Session

2/7/13 Session

7 Overview

Overview

Blind test 84” TV settings as defined by Kuni Takahashi AV files from Yoshi Takashima Player: Phase 0 hardware, MPC.

8 A

A

300 CBR

Main Concept

17

B

60 CBR

Main Concept

15

C

50 average 100 max

EyeIO

13

D

25 average 50 max

EyeIO

15

Phase 1: Blind Viewing Test Results 2/7/13

Eldorado

Bitrate

Encoder

Aggregate score by 6 observers (lower = better)

9 A

A

4

3

2

3

1

4

B

3

2

1

4

4

1

C

2

1

3

2

3

2

D

1

4

4

1

2

3

Phase 1: Blind Viewing Test Results 2/7/13 Actual scores

Every version was chosen as “best” by at least 1 person. Lowest bitrate was chosen as “best” by 2 people. No more than 2 out of 6 people agreed on which was “best”.

10 Participants

Participants

Yoshi Takahashi Mike Lucas Tiger Izaki Akira Oba Klaus Hofrichter Nick Colsey

Moderator: Jason Clement

«Picture Quality Test at SEL:»
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