"Hegemony" by Another Name

Lago, Enrico Dal

doi:10.1353/rah.2006.0040

Cited by 2 publications

(3 citation statements)

References 10 publications

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“…Considering these results we are skeptical about approaches, e.g. [6], that rely on a single human observer to make the decision on what to zoom in on.…”

Section: Discussionmentioning

confidence: 99%

“…Moving window: Zooming in on the area displaying the most important aspects [6] [9], which can be done in a number of ways. For example, in [2] this is done algorithmically by calculating the region of interest (ROI) based on the human visual system (HVS).…”

mentioning

confidence: 99%

“…In [6] the solution entails employing a human observer to make the decision of the focal point for cropping on-the-fly by means of eye-tracking technology. Moving windows introduce additional movement on top of the pans and zooms of the original footage.…”

mentioning

confidence: 99%

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Knoche

Papaleo

Sasse

et al. 2007

Proceedings of the 15th ACM International Conference on Multimedia

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The growing market of Mobile TV requires automated adaptation of standard TV footage to small size displays. Especially extreme long shots (XLS) depicting distant objects can spoil the user experience, e.g. in soccer content. Automated zooming schemes can improve the visual experience if the resulting footage meets user expectations in terms of the visual detail and quality but does not omit valuable context information. Current zooming schemes are ignorant of beneficial zoom ranges for a given target size when applied to standard definition TV footage. In two experiments 84 participants were able to switch between original and zoom enhanced soccer footage at three sizes -from 320x240 (QVGA) down to 176x144 (QCIF). Eye-tracking and subjective ratings showed that zoom factors between 1.14 and 1.33 were preferred for all sizes. Interviews revealed that a zoom factor of 1.6 was too high for QVGA content due to low perceived video quality, but beneficial for QCIF size. The optimal zoom depended on the target display size. We include a function to compute the optimal zoom for XLS depending on the target device size. It can be applied in automatic content adaptation schemes and should stimulate further research on the requirements of different shot types in video coding.

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“…Considering these results we are skeptical about approaches, e.g. [6], that rely on a single human observer to make the decision on what to zoom in on.…”

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%