Perceived Image Contrast and Observer Preference II. Empirical Modeling of Perceived Image Contrast and Observer Preference Data

Calabria, Anthony; Fairchild, Mark D.

doi:10.2352/j.imagingsci.technol.2003.47.6.art00007

Cited by 15 publications

(1 citation statement)

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“…Personal preferences have also been explored in studies that have investigated relationships between different image attributes. For example, Calabria and Fairchild [28] studied the relationship between perceived contrast and observer preferences using a paired comparison of five pictorial images. They also investigated the role of other image attributes, such as lightness, chroma, and sharpness, in determining the perceived image contrast.…”

Section: Introductionmentioning

confidence: 99%

Individual Contrast Preferences in Natural Images

Cherepkova,

Amirshahi,

Pedersen

2024

J. Imaging

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This paper is an investigation in the field of personalized image quality assessment with the focus of studying individual contrast preferences for natural images. To achieve this objective, we conducted an in-lab experiment with 22 observers who assessed 499 natural images and collected their contrast level preferences. We used a three-alternative forced choice comparison approach coupled with a modified adaptive staircase algorithm to dynamically adjust the contrast for each new triplet. Through cluster analysis, we clustered observers into three groups based on their preferred contrast ranges: low contrast, natural contrast, and high contrast. This finding demonstrates the existence of individual variations in contrast preferences among observers. To facilitate further research in the field of personalized image quality assessment, we have created a database containing 10,978 original contrast level values preferred by observers, which is publicly available online.

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Section: Introductionmentioning

confidence: 99%

Individual Contrast Preferences in Natural Images

Cherepkova,

Amirshahi,

Pedersen

2024

J. Imaging

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Color preference of aged observers compared to young observers

Beke

Kutas

Kwak

et al. 2008

Color Research & Application

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In modern society, elderly people tend to become enthusiastic users of displays. These displays are optimized for the visual properties of young adults ignoring the specific attributes of the vision of the elderly though the existence of differences is evident. It is true, however, that most of the investigations follow a bottomup paradigm (changes of optical density, neural changes, etc.), and their results are too ambiguous to be taken into account directly in display optimization for the elderly, partly because there is a long-term adaptation, which apparently recompensates for some of the changes in the human visual system. Preference is a high-level psychological factor having a very important impact on the acceptability of color displays. The present article follows a top-down methodology to investigate these age-related differences directly. The first part concentrates on functionalities of the human visual system: white point preference, chroma perception, unique, and preferred hues. Results confirm the long-term compensation theory for the elderly observers along with the chromatic content decrease of perceived colors. The second part investigates preference differences in case of photorealistic images in terms of global and local contrast, white point, average chroma, and the effect of several image color manipulation techniques. Results indicate significant differences between young and aged observers' color image preference, some of which can be explained with neuro-physiological changes, others may be attributed to cultural implications.

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Research on Global Contrast Calculation Considering Color Differences

Qian

Kong

2021

Image and Graphics Technologies and Applications

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Perceived Image Contrast and Observer Preference II. Empirical Modeling of Perceived Image Contrast and Observer Preference Data

Cited by 15 publications

References 0 publications

Individual Contrast Preferences in Natural Images

Individual Contrast Preferences in Natural Images

Color preference of aged observers compared to young observers

Research on Global Contrast Calculation Considering Color Differences

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