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HQV Benchmark 2.0 Analysis – ATi, nVidia and Intel

Overview:
The fourth chapter focuses on analysing the video processor’s ability to enhance the image through ‘adaptive processing’.

Notes:
One aspect of good movie watching is believing that the people in the scenes are ‘real and 3 dimensional’ which is helped in part by accurate looking colour in regards to skin tones. If a face is too yellow or too red then it gives a very fake impression and can ruin the immersive experience. This test shows a group of people with reference hues and then with too much yellow and a third time with too much red. This gives a good indication of positive and negative hue shift. Obviously this is not as straighforward as it sounds, as there are literally hundreds of different skin tones. The video processor has to analyse the image and fix problems which have been deliberately introduced into the 2nd and 3rd images.

Scoring:
The scoring takes into consideration the effectiveness of the fleshtone correction feature. Scores vary from a 10, which is ‘substantially closer to the original skin tone’ to a 0, which is ‘no improvement’.

Skin Tone Correction: Skin Tones (Score either  10, 7, 3 or 0)
The off hue skin tones appear substantially closer to the original skin tone and does not affect other colors. – Scores 10
The off hue skin tones are somewhat corrected but hue differences are still discernable. Others colors are not affected. – Scores 7
The off hue skin tones are somewhat corrected but hue differences are still discernable. Affects other colors. – Scores 3
No improvement can be observed. – Scores 0

Intel GMA X4500 (G41)
Intel HD Graphics
ATI HD4200 (IGP)
ATI HD5450 (Discrete)
ATI HD5550 (Discrete)
ATI HD5770 (Discrete)
ATI HD5850 (Discrete)
ATI HD5870 (Discrete)
NV G210 (Discrete)
NV G220 (Discrete)
NV GTX 465 (Discrete)
NV GTX 480 (Discrete)
Skin Tones
0 0 3
7
7
7
7
7 3 3
3
3

ATi have the slight edge in this test, probably helped by the dedicated controls they offer in their panel to correct flesh tones. We found a setting around 70% in this panel seemed to give the best results.

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