2000
DOI: 10.1002/1522-2594(200010)44:4<592::aid-mrm13>3.0.co;2-j
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Elastic registration of 3D cartilage surfaces from MR image data for detecting local changes in cartilage thickness

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Cited by 49 publications
(40 citation statements)
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“…These techniques have also been applied to the detection of cartilage lesions, but only a limited number of thickness intervals can be displayed with a limited number of color codes or gray levels. Therefore, registration techniques have been proposed (63,93,(116)(117)(118) that match the bone cartilage interface areas (tAB) of two (or more) data sets that were acquired at different points in time and these techniques permit comparing the regional thickness distribution on a point-by-point basis. Kshirsagar et al (93) suggested that analyzing subvolumes within the joint surface can reduce precision errors versus total volume (VC), and this has recently been confirmed by Koo et al(100).…”
Section: Image Analysis Techniquesmentioning
confidence: 99%
“…These techniques have also been applied to the detection of cartilage lesions, but only a limited number of thickness intervals can be displayed with a limited number of color codes or gray levels. Therefore, registration techniques have been proposed (63,93,(116)(117)(118) that match the bone cartilage interface areas (tAB) of two (or more) data sets that were acquired at different points in time and these techniques permit comparing the regional thickness distribution on a point-by-point basis. Kshirsagar et al (93) suggested that analyzing subvolumes within the joint surface can reduce precision errors versus total volume (VC), and this has recently been confirmed by Koo et al(100).…”
Section: Image Analysis Techniquesmentioning
confidence: 99%
“…These regional analyses clearly indicate that cartilage loss occurs in a spatially heterogeneous manner and sometimes, in very localized regions. Stammberger et al proposed elastic registration of 3D cartilage surfaces to detect local changes in cartilage thickness; in both synthetic and volunteer data, thickness differences recovered from the registration method were similar to that from using Euclidean distance transformations (Stammberger et al, 2000). Cohen et al generated templates of cartilage of the patellofemoral joint and demonstrated the potential of using the standard thickness maps by comparing it with thickness maps generated for individual patients to identify regions with maximum loss of cartilage in patients with Osteoarthritis (Cohen et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…Only a limited number of studies have applied the image registration to monitor quantitative changes of cartilage [3]. In literature [3], Stammberger et al used a 3D elastic registration method to identify the corresponding points of the bone-cartilage interface for quantifying the local cartilage thickness changes.…”
Section: Introductionmentioning
confidence: 99%
“…In literature [3], Stammberger et al used a 3D elastic registration method to identify the corresponding points of the bone-cartilage interface for quantifying the local cartilage thickness changes. This has two noticeable problems: 1) the algorithm depends of the accuracy in normal vector of both surfaces; 2) there is a lack of evaluation of the registration accuracy using the anatomical mark points.…”
Section: Introductionmentioning
confidence: 99%