Learning to generate video object segment proposals

This paper proposes a fully automatic pipeline to generate accurate object segment proposals in realistic videos. Our approach first detects generic object proposals for all video frames and then learns to rank them using a Convolutional Neural Networks (CNN) descriptor built on appearance and motion cues. The ambiguity of the proposal set can be reduced while the quality can be retained as highly as possible Next, high-scoring proposals are greedily tracked over the entire sequence into distinct tracklets. Observing that the proposal tracklet set at this stage is noisy and redundant, we perform a tracklet selection scheme to suppress the highly overlapped tracklets, and detect occlusions based on appearance and location information. Finally, we exploit holistic appearance cues for refinement of video segment proposals to obtain pixel-accurate segmentation. Our method is evaluated on two video segmentation datasets i.e. SegTrack v1 and FBMS-59 and achieves competitive results in comparison with other state-of-the-art methods.