Why is the perception of lighting and illumination on photos different from the reality (actual visual perception)

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Umut Karakaş
8 yıl önce
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1 Why is the perception of lighting and illumination on photos different from the reality (actual visual perception) Why is the perception of lighting and illumination on photos different from the reality (actual visual perception) Dr. Hilmi OR, FEBO (Fellow of European Board of Ophthalmology) Eye Surgeon İstanbul - Turkey Photography Hilmi OR, AFIAP*, Master of Arts, Student for Doctorate (* Artist of International Federation of Photography) Why is the perception of lighting and illumination on photos different from the reality (actual visual perception) Why is the perception of lighting and illumination on photos different from the reality (actual visual perception) Hilmi OR Member of Turkish National Committee on Illumination Hilmi OR Student for Doctorate in Forensic Sciences

Hilmi OR, FEBO (Fellow of European Board of Ophthalmology) Eye Surgeon İstanbul - Turkey Photography Hilmi OR, AFIAP*, Master of Arts, Student for Doctorate (* Artist of International Federation

2 Financial disclosure I have no financial support from any company or financial benefit from techniques mentioned in this presentation.

5 Light drawing OR, Hilmi Marmara Üniv. Güzel Sanatlar Enstitüsü Fotoğraf Yüksek Lisans Tezi: Görme ve Fotoğraf Sanatındaki Fotoğraf Çiziminin Karşılaştırılması 2007 Eye >>> seeing Photography >>> image photograph. Görme algılaması (göz sabit) OR, Hilmi Marmara Üniv. Güzel Sanatlar Enstitüsü Fotoğraf Yüksek Lisans Tezi: Görme ve Fotoğraf Sanatındaki Fotoğraf Çiziminin Karşılaştırılması 2007 OR, Hilmi Marmara Üniv. Güzel Sanatlar Enstitüsü Fotoğraf Yüksek Lisans Tezi: Görme ve Fotoğraf Sanatındaki Fotoğraf Çiziminin Karşılaştırılması Görme algılaması (göz sabit) Görme algılaması (göz sabit)

Photography >>> image photograph. Görme algılaması (göz sabit) OR, Hilmi Marmara Üniv.

6 OR, Hilmi Marmara Üniv. Güzel Sanatlar Enstitüsü Fotoğraf Yüksek Lisans Tezi: Görme ve Fotoğraf Sanatındaki Fotoğraf Çiziminin Karşılaştırılması 2007 OR, Hilmi Marmara Üniv. Güzel Sanatlar Enstitüsü Fotoğraf Yüksek Lisans Tezi: Görme ve Fotoğraf Sanatındaki Fotoğraf Çiziminin Karşılaştırılması 2007 CF Görme algılaması (göz sabit) Görme algılaması Yarbus (1967) Gaze: First 2 seconds: 6 foveal fixation >Screening Stop! Yarbus Attention to different issues: Eye browser movements! Looking freely Financial status Age?

CF Görme algılaması (göz sabit) Görme algılaması Yarbus (1967) Gaze: First 2 seconds: 6 foveal fixation >Screening Stop!

7 Yarbus (1967) Gaze: First 2 seconds: 6 foveal fixation >Screening Stop!

8 Perception of the eye without movement Perception of the eye with searching an exploring movement Color Photography of the same plane

9 The extension of the best view area in photography and the eye The extension of the best view area in photography and the eye Rod cells in retina Black and white photography

the eye Rod cells in retina Black and white

10 Perception of the eye with searching an exploring movement Perception of the brain with searching an exploring movement BW photography of the same plane

12 The extension of the best view area in photography and the eye The cone cells in the retina Color Photography / Photosites The cone cells in the retina Color Photography / Photosites The cone cells in the retina Color Photography / Photosites

Photosites The cone cells in the retina Color Photography /

13 Seeing Seeing Cyclops The mobility of the eye The stationary of the camera

14 Light adaptation without changing the resolution. Eye: daylight > dark place 10 log ( ) Photography: White > black: 10 stops! 3 log (1.000)

15 Light adaptation changing the resolution. Eye adaptation to dark: minutes. Only rods > Visual acuity drops! Photography: Pixelisation

16 Colours seen photographed -printed Lens and imaging system of the eye of the camera

17 The imaging plane in the eye in photography

18 The imaging plane in the eye in photography Motion perception Motion imaging Motion perception Motion imaging Motion perception Motion imaging

19 Motion perception Motion imaging Depth perception in the eye and in photography

20 Colour constancy Color memory and color adaptation of human eye and brain

22 The silhouettes The silhouettes The silhouettes

23 Conclusion Photography seems to be similar to visual perception in normal human vision. Conclusion Photography seems to be similar to visual perception in normal human vision. But there are many details in visual perception by human brain, which cannot be imitated in photography. Thank you

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