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- W2071689365 abstract "Wireless capsule endoscopy (WCE) is a non-invasive imaging technique to examine the entire small intestine. This paper presents a novel hierarchical key frame extraction algorithm based on the saliency map to automatically select a small number of key informative frames in the WCE video to assist the diagnostic process. We start from calculating the saliency map and extracting the inside colour, texture and shape features. We then compute the image information entropies with adapted weights on three features; calculate the differences of entropies in the successive frames and extract the first level key frames to divide the video into multi-segments. Finally, the mean shift clustering method is applied on each segment to obtain the final key frames. The proposed technique achieves the fidelity of 95.07% and the compression ratio of 87.9% on average, validating that the proposed scheme is highly promising for the key frame extraction in the WCE video." @default.
- W2071689365 created "2016-06-24" @default.
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- W2071689365 date "2014-01-01" @default.
- W2071689365 modified "2023-09-26" @default.
- W2071689365 title "Hierarchical key frame extraction for wireless capsule endoscopy video based on the saliency map" @default.
- W2071689365 doi "https://doi.org/10.1504/ijma.2014.066383" @default.
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