A robust Hough transform algorithm for determining the radiation centers of circular and rectangular fields with subpixel accuracy

Physics in Medicine and Biology

Volumn 54, Issue 3, 2009, Pages 555-567

  Du, Weiliang ^a   Yang, James ^a  

^a UNIVERSITY OF TEXAS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ABSOLUTE ERRORS; CENTER OF MASS; COMPUTER ALGORITHMS; DETECTION ERRORS; ELECTRONIC PORTAL IMAGER; EXPERIMENTAL UNCERTAINTIES; IMAGE NOISE; MECHANICAL INSTABILITIES; POSITIONAL ERRORS; QUANTITATIVE EVALUATIONS; RADIATION FIELDS; SUB-PIXEL ACCURACIES; TRANSFORM ALGORITHMS;

ALGORITHMS; ERROR DETECTION; HOUGH TRANSFORMS;

IMAGE RESOLUTION;

ACCURACY; ALGORITHM; ARTICLE; ARTIFACT; COLLIMATOR; HOUGH TRANSFORM; IMAGE ENHANCEMENT; IMAGE INTENSIFIER; IMAGE PROCESSING; IMAGE QUALITY; MEASUREMENT ERROR; NOISE; OPTICAL RESOLUTION; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; RADIATION DETECTION; RADIATION FIELD;

ALGORITHMS; RADIOMETRY; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; SCATTERING, RADIATION; SENSITIVITY AND SPECIFICITY; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 63649131763     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/54/3/006     Document Type: Article

References (21)

1. Dong L, Shiu A, Tung S and Boyer A 1997 Verification of radiosurgery target point alignment with an electronic portal imaging device (EPID) Med. Phys. 24 263-7
2. Duda R O and Hart P E 1972 Use of the Hough transformation to detect lines and curves in pictures Commun. ACM 15 11-5
3. Fahrig R and Holdsworth D W 2000 Three-dimensional computed tomographic reconstruction using a C-arm mounted XRII: image-based correction of gantry motion nonidealities Med. Phys 27 30-8
4. Falco T, Lachaine M, Poffenbarger B, Podgorsak E B and Fallone B G 1999 Setup verification in linac-based radiosurgery Med. Phys. 26 1972-8
5. Gonzalez A, Castro I and Martinez J A 2004 A procedure to determine the radiation isocenter size in a linear accelerator Med. Phys. 31 1489-93
6. Hong T S, Tome W A, Chappell R J, Chinnaiyan P, Mehta M P and Harari P M 2005 The impact of daily setup variations on head-and-neck intensity-modulated radiation therapy Int. J. Radiat. Oncol. Biol. Phys. 61 779-88
7. Hough P V C 1962 Method and means for recognizing complex patterns US Patent No 3069654
8. Hyde P D and Davis L S 1983 Subpixel edge estimation Pattern Recognit. 16 413-20
9. Khan F M 2003 The Physics of Radiation Therapy (Philadelphia, PA: Loppincott Williams & Wilkins)
10. Low D A, Li Z and Drzymala R E 1995 Minimization of target positioning error in accelerator-based radiosurgery Med. Phys. 22 443-8
11. Lutz W, Winston K R and Maleki N 1988 A system for stereotactic radiosurgery with a linear accelerator Int. J. Radiat. Oncol. Biol. Phys. 14 373-81
12. Overington I and Greenway P 2003 Practical first-difference edge detection with subpixel accuracy Image Vis. Comput. 5 217-24
13. Ramaseshan R and Heydarian M 2003 Comprehensive quality assurance for stereotactic radiosurgery treatments Phys. Med. Biol. 48 N199-205
14. Rosca F, Lorenz F, Hacker F L, Chin L M, Ramakrishna N and Zygmanski P 2006 An MLC-based linac QA procedure for the characterization of radiation isocenter and room lasers' position Med. Phys. 33 1780-7
15. Serago C F, Lewin A A, Houdek P V, Gonzalez-Arias S, Schwade J G, Abitbol A and Marcial-Vega V 1992 Radiosurgery target point alignment errors detected with portal film verification Int. J. Radiat. Oncol. Biol. Phys. 24 777-80
16. Tabatabai A J and Mitchell O R 1984 Edge location to subpixel values in digital imagery IEEE Trans. Pattern Anal. Mach. Intell. 6 188-201
17. Treuer H, Hoevels M, Luyken K, Gierich A, Kocher M, Muller R P and Sturm V 2000 On isocentre adjustment and quality control in linear accelerator based radiosurgery with circular collimators and room lasers Phys. Med. Biol. 45 2331-42
18. Tsai J S 1996 Analyses of multi-irradiation film for system alignments in stereotactic radiotherapy (SRT) and radiosurgery (SRS) Phys. Med. Biol. 41 1597-620
19. Tsai J S, Buck B A, Svensson G K, Alexander E III, Cheng C W, Mannarino E G and Loeffler J S 1991 Quality assurance in stereotactic radiosurgery using a standard linear accelerator Int. J. Radiat. Oncol. Biol. Phys. 21 737-48
20. Winkler P, Bergmann H, Stuecklschweiger G and Guss H 2003 Introducing a system for automated control of rotation axes, collimator and laser adjustment for a medical linear accelerator Phys. Med. Biol. 48 1123-32
21. Woo M K 2002 A personal-computer-based method to obtain 'star-shots' of mechanical and optical isocenters for gantry rotation of linear accelerators Med. Phys. 29 2753-5