| bibtype |
K -
Conference Paper (Czech conference)
|
| ARLID |
0383332 |
| utime |
20240103201518.9 |
| mtime |
20121130235959.9 |
| title
(primary) (eng) |
Model Consideration for Blind Source Separation of Medical Image Sequences |
| specification |
| page_count |
10 s. |
| media_type |
P |
|
| serial |
| ARLID |
cav_un_epca*0384152 |
| ISBN |
978-80-01-05138-2 |
| title
|
Doktorandské dny 2012 |
| page_num |
1-10 |
| publisher |
| place |
Praha |
| name |
ČVUT v Praze |
| year |
2012 |
|
|
| keyword |
Blind Source Separation |
| keyword |
Factor Analysis |
| keyword |
Convolution |
| keyword |
Regions of Interest |
| keyword |
Image Sequence |
| author
(primary) |
| ARLID |
cav_un_auth*0267768 |
| name1 |
Tichý |
| name2 |
Ondřej |
| full_dept (cz) |
Adaptivní systémy |
| full_dept (eng) |
Department of Adaptive Systems |
| department (cz) |
AS |
| department (eng) |
AS |
| institution |
UTIA-B |
| full_dept |
Department of Adaptive Systems |
| fullinstit |
Ústav teorie informace a automatizace AV ČR, v. v. i. |
|
| source |
|
| cas_special |
| abstract
(eng) |
The problem of functional analysis of medical image sequences is studied. The obtained images are assumed to be a superposition of images of underlying biological organs. This is commonly modeled as a Factor Analysis (FA) model. However, this model alone allows for biologically impossible solutions. Therefore, we seek additional biologically motivated assumptions that can be incorporated into the model to yield better solutions. In this paper, we review additional assumptions such as convolution of time activity, regions of interest selection, and noise analysis. All these assumptions can be incorporated into the FA model and their parameters estimated by the Variation Bayes estimation procedure. We compare these assumptions and discuss their influence on the resulting decomposition from diagnostic point of view. The algorithms are tested and demonstrated on real data from renal scintigraphy; however, the methodology can be used in any other imaging modality. |
| action |
| ARLID |
cav_un_auth*0285592 |
| name |
Doktorandské dny 2012 |
| place |
Praha |
| dates |
16.11.2012-23.11.2012 |
| country |
CZ |
|
| reportyear |
2013 |
| RIV |
BB |
| num_of_auth |
1 |
| presentation_type |
PR |
| inst_support |
RVO:67985556 |
| permalink |
http://hdl.handle.net/11104/0213299 |
| arlyear |
2012 |
| mrcbU63 |
cav_un_epca*0384152 Doktorandské dny 2012 978-80-01-05138-2 1 10 Praha ČVUT v Praze 2012 |
|