Projects per year
Selection of set of training pixels and feature range show to be critical scale-related parameters with high impact on results in localization methods based on random regression forests (RRF). Trained on pixels randomly selected from images with long range features, RRF captures the variation in landmark location but often without reaching satisfying accuracy. Conversely, training an RRF with short range features in a landmark's close surroundings enables accurate localization, but at the cost of ambiguous localization results in the presence of locally similar structures. We present a scale-widening RRF method that effectively handles such ambiguities. On a challenging hand radiography image data set, we achieve median and 90th percentile localization errors of 0.81 and 2.64mm, respectively, outperforming related state-of-the-art methods.
|Title of host publication||2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI)|
|Publisher||Institute of Electrical and Electronics Engineers|
|Number of pages||4|
|Publication status||Published - May 2016|
|Event||2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI) - Prague, Czech Republic|
Duration: 13 Apr 2016 → 16 Apr 2016
|Conference||2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI)|
|Period||13/04/16 → 16/04/16|
Fields of Expertise
- Information, Communication & Computing
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- 1 Finished
Bischof, H. & Urschler, M.
1/07/15 → 31/12/18
Project: Research project