منابع مشابه
Eulerian Video Acceleration Magnification
The ability to amplify or reduce subtle image changesover time is useful in contexts such as video editing, medicalvideo analysis, product quality control and sports. In thesecontexts there is often large motion present which severelydistorts current video amplification methods that magnifychange linearly. In this work we propose a method to copewith large motions while ...
متن کاملA Review: Eulerian Video Motion Magnification
Thispaper reviews computational techniques to efficiently represent, analyse and visualise both shortterm and long-term temporal variation in video and image sequences. This paper reveals temporal variation in videos that are imperceptible to the naked eye. The method takes a standard video sequence as an input, and applies spatial decomposition, followed by temporal filtering to the frames whi...
متن کاملNoninvasive Free Flap Monitoring Using Eulerian Video Magnification.
Eulerian Video Magnification (EVM) can enhance subtle changes in videos to reveal what was once invisible to the naked eye. In this proof of concept study, we investigated using EVM as a novel form of free flap monitoring. Free flaps with skin paddles were filmed in the operating room with manipulation of their pedicles. In a representative 77-year-old female who received a latissimus dorsi-ser...
متن کاملElectronic magnification and perceived contrast of video.
Electronic magnification of an image results in a decrease in its perceived contrast. The decrease in perceived contrast could be due to a perceived blur or to limited sampling of the range of contrasts in the original image. We measured the effect on perceived contrast of magnification in two contexts: either a small video was enlarged to fill a larger area, or a portion of a larger video was ...
متن کاملCan we see photosynthesis? Magnifying the tiny color changes of plant green leaves using Eulerian video magnification
Plant aliveness is proven through laboratory experiments and special scientific instruments. In this paper, we aim to detect the degree of animation of plants based on the magnification of the small color changes in the plant’s green leaves using the Eulerian video magnification. Capturing the video under a controlled environment, e.g., using a tripod and direct current (DC) light sources, redu...
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ژورنال
عنوان ژورنال: Communications of the ACM
سال: 2016
ISSN: 0001-0782,1557-7317
DOI: 10.1145/3015573