ViVid

Amir Semmo, M. Reimann, Mandy Klingbeil, Sumit Shekhar, Matthias Trapp, J. Döllner
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引用次数: 2

Abstract

We present ViVid, a mobile app for iOS that empowers users to express dynamics in stylized Live Photos. This app uses state-of-the-art computer-vision techniques based on convolutional neural networks to estimate motion in the video footage that is captured together with a photo. Based on this analysis and best practices of contemporary art, photos can be stylized as a pencil drawing or cartoon look that includes design elements to visually suggest motion, such as ghosts, motion lines and halos. Its interactive parameterizations enable users to filter and art-direct composition variables, such as color, size and opacity. ViVid is based on Apple's CoreML, Metal and PhotoKit APIs for optimized on-device processing. Thus, the motion estimation is scheduled to utilize the dedicated neural engine, while shading-based image stylization is able to process the video footage in real-time on the GPU. This way, the app provides a unique tool for creating lively photo stylizations with ease.
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