Journal article Closed Access
Jaouen, Vincent; González, Paulo; Stute, Simon; Guilloteau, Denis; Chalon, Sylvie; Buvat, Irène; Tauber, Clovis
{ "DOI": "10.1109/TIP.2014.2353854", "container_title": "IEEE Trans Image Process", "title": "Variational segmentation of vector-valued images with gradient vector flow.", "issued": { "date-parts": [ [ 2014, 9, 4 ] ] }, "abstract": "<p>In this paper, we extend the gradient vector flow</p>\n\n<p>field for robust variational segmentation of vector-valued images.</p>\n\n<p>Rather than using scalar edge information, we define a vectorial</p>\n\n<p>edge map derived from a weighted local structure tensor of</p>\n\n<p>the image that enables the diffusion of the gradient vectors in</p>\n\n<p>accurate directions through the 4D gradient vector flow equation.</p>\n\n<p>To reduce the contribution of noise in the structure tensor,</p>\n\n<p>image channels are weighted according to a blind estimator of</p>\n\n<p>contrast. The method is applied to biological volume delineation</p>\n\n<p>in dynamic PET imaging, and validated on realistic Monte Carlo</p>\n\n<p>simulations of numerical phantoms as well as on real images.</p>", "author": [ { "given": "Vincent", "family": "Jaouen" }, { "given": "Paulo", "family": "Gonz\u00e1lez" }, { "given": "Simon", "family": "Stute" }, { "given": "Denis", "family": "Guilloteau" }, { "given": "Sylvie", "family": "Chalon" }, { "given": "Ir\u00e8ne", "family": "Buvat" }, { "given": "Clovis", "family": "Tauber" } ], "page": "4773-85", "volume": "23", "type": "article-journal", "issue": "11", "id": "16053" }
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