Speckle reducing bilateral filter for cattle follicle segmentation.

Abstract:

BACKGROUND:Ultrasound imaging technology has wide applications in cattle reproduction and has been used to monitor individual follicles and determine the patterns of follicular development. However, the speckles in ultrasound images affect the post-processing, such as follicle segmentation and finally affect the measurement of the follicles. In order to reduce the effect of speckles, a bilateral filter is developed in this paper. RESULTS:We develop a new bilateral filter for speckle reduction in ultrasound images for follicle segmentation and measurement. Different from the previous bilateral filters, the proposed bilateral filter uses normalized difference in the computation of the Gaussian intensity difference. We also present the results of follicle segmentation after speckle reduction. Experimental results on both synthetic images and real ultrasound images demonstrate the effectiveness of the proposed filter. CONCLUSIONS:Compared with the previous bilateral filters, the proposed bilateral filter can reduce speckles in both high-intensity regions and low intensity regions in ultrasound images. The segmentation of the follicles in the speckle reduced images by the proposed method has higher performance than the segmentation in the original ultrasound image, and the images filtered by Gaussian filter, the conventional bilateral filter respectively.

journal_name

BMC Genomics

journal_title

BMC genomics

authors

Tang J,Guo S,Sun Q,Deng Y,Zhou D

doi

10.1186/1471-2164-11-S2-S9

subject

Has Abstract

pub_date

2010-11-02 00:00:00

pages

S9

issn

1471-2164

pii

1471-2164-11-S2-S9

journal_volume

11 Suppl 2

pub_type

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