3D cinematography principles and their applications to stereoscopic media processing

Liu, Chunwei; Huang, Tsun‐Sheng; Chang, Ming-Hsu; Lee, Ken‐Yi; Liang, Chia-Kai; Chuang, Yung-Yu

doi:10.1145/2072298.2072332

Cited by 23 publications

(12 citation statements)

References 21 publications

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“…Due to methodological limitations and simplicity, comfort-optimizing stereo displays are usually evaluated with subjective methods only. Responses can be collected either by rating methods, where a user issues a score on a Likert scale [Blohm et al 1997;Sun and Holliman 2009;Blum et al 2010;Koppal et al 2011;Liu et al 2011;Ju Jung et al 2012], or with the method of pairwise comparison [Koppal et al 2011;Leroy et al 2012]. An objective way to observe discomfort was used by [Cho and Kang 2012], who counted the eye-blink rate of users.…”

Section: Stereo Viewing Comfortmentioning

confidence: 99%

The effects of fast disparity adjustment in gaze-controlled stereoscopic applications

Bernhard

Dell'mour

Hecher

et al. 2014

Proceedings of the Symposium on Eye Tracking Research and Applications

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With the emergence of affordable 3D displays, stereoscopy is becoming a commodity. However, often users report discomfort even after brief exposures to stereo content. One of the main reasons is the conflict between vergence and accommodation that is caused by 3D displays. We investigate dynamic adjustment of stereo parameters in a scene using gaze data in order to reduce discomfort. In a user study, we measured stereo fusion times after abrupt manipulation of disparities using gaze data. We found that gaze-controlled manipulation of disparities can lower fusion times for large disparities. In addition we found that gaze-controlled disparity adjustment should be applied in a personalized manner and ideally performed only at the extremities or outside the comfort zone of subjects. These results provide important insight on the problems associated with fast disparity manipulation and are essential for developing appealing gaze-contingent and gaze-controlled applications.

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Section: Stereo Viewing Comfortmentioning

confidence: 99%

The effects of fast disparity adjustment in gaze-controlled stereoscopic applications

Bernhard

Dell'mour

Hecher

et al. 2014

Proceedings of the Symposium on Eye Tracking Research and Applications

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“…To evaluate the cinematographic quality of each method, we have plotted the depth charts [13] of a test sequence illustrating the distribution of the depth budget over time with each method. The charts in Fig.…”

Section: Resultsmentioning

confidence: 99%

Attention-Aware Disparity Control in interactive environments

Çelikcan

Cimen²,

Kevinç³

et al. 2013

Vis Comput

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Our paper introduces a novel approach for controlling stereo camera parameters in interactive 3D environments in a way that specifically addresses the interplay of binocular depth perception and saliency of scene contents. Our proposed Dynamic Attention-Aware Disparity Control (DADC) method produces depth-rich stereo rendering that improves viewer comfort through joint optimization of stereo parameters. While constructing the optimization model, we consider the importance of scene elements, as well as their distance to the camera and the locus of attention on the display. Our method also optimizes the depth effect of a given scene by considering the individual user's stereoscopic disparity range and comfortable viewing experience by controlling accommodation/convergence conflict. We validate our method in a formal user study that also reveals the advantages, such as superior quality and practical relevance, of considering our method.

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“…[3], the authors of Ref. [24] state some principles in the field of stereoscopic media processing, which give us some inspiration when designing our disparity constraint models. Reference [25] conducts a series of eyetracking experiments and tries to minimize the adaptation time for sudden temporal depth changes.…”

Section: Related Workmentioning

confidence: 99%

A retargeting method for stereoscopic 3D video

Liu

Sun

2015

Comp. Visual Media

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We propose a disparity-constrained retargeting method for stereoscopic 3D video, which simultaneously resizes a binocular video to a new aspect ratio and remaps the depth to the perceptual comfort zone. First, we model distortion energies to prevent important video contents from deforming. Then, to maintain depth mapping stability, we model disparity variation energies to constraint the disparity range both in spatial and temporal domains. The last component of our method is a non-uniform, pixel-wise warp to the target resolution based on these energy models. Using this method, we can process the original stereoscopic video to generate new, high-perceptual-quality versions at different display resolutions. For evaluation, we conduct a user study; we also discuss the performance of our method.

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3D cinematography principles and their applications to stereoscopic media processing

Cited by 23 publications

References 21 publications

The effects of fast disparity adjustment in gaze-controlled stereoscopic applications

The effects of fast disparity adjustment in gaze-controlled stereoscopic applications

Attention-Aware Disparity Control in interactive environments

A retargeting method for stereoscopic 3D video

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