A comprehensive system for the analysis of portal images

A review of electronic portal imaging devices (EPIDs)

1992 • 317 citations

Accuracy of radiation field alignment in clinical practice

1985 • 274 citations

A verification procedure to improve patient set-up accuracy using portal images

1993 • 261 citations

Demonstration of megavoltage and diagnostic x‐ray imaging with hydrogenated amorphous silicon arrays

1992 • 198 citations

Maximizing setup accuracy using portal images as applied to a conformal boost technique for prostatic cancer

1992 • 175 citations

A matrix ionisation chamber imaging device for on-line patient setup verification during radiotherapy

1988 • 143 citations

Automatic on‐line inspection of patient setup in radiation therapy using digital portal images

1993 • 132 citations

Time trend of patient setup deviations during pelvic irradiation using electronic portal imaging

1993 • 121 citations

Routine clinical on-line portal imaging followed by immediate field adjustment using a tele-controlled patient couch

1992 • 119 citations

The simultaneous boost technique: the concept of relative normalized total dose

1991 • 118 citations

Use of digital fluoroscopy as an online verification device in radiation therapy

1986 • 107 citations

Correlation of projection radiographs in radiation therapy using open curve segments and points

1992 • 105 citations

A linear array, scintillation crystal–photodiode detector for megavoltage imaging

1991 • 97 citations

First clinical experience with a newly developed electronic portal imaging device

1990 • 92 citations

Fast evaluation of patient set-up during radiotherapy by aligning features in portal and simulator images

1991 • 83 citations

A digital fluoroscopic imaging device for radiotherapy localization

1990 • 78 citations

Radiation field edge detection in portal images

1991 • 75 citations

A method for the measurement of field placement errors in digital portal images

1990 • 75 citations

On-line radiotherapy imaging with an array of fiber-optic image reducers

1990 • 75 citations

Fluoroscopic visualization of megavoltage therapeutic x ray beams

1980 • 69 citations

Performance of a prototype fluoroscopic radiotherapy imaging system

1990 • 69 citations

Physical aspects of a liquid‐filled ionization chamber with pulsed polarizing voltage

1991 • 69 citations

Investigation of an FFT‐based correlation technique for verification of radiation treatment setup

1991 • 62 citations

Video techniques for on-line portal imaging

1989 • 59 citations

Portal dose images II: Patient dose estimation

1990 • 58 citations

The enhancement of radiotherapy verification images by an automated edge detection technique

1992 • 55 citations

Image comparison techniques for use with megavoltage imaging systems

1992 • 48 citations

An algorithm for automatic analysis of portal images: clinical evaluation for prostate treatments

1993 • 46 citations

Automatic verification of radiation field shape using digital portal images

1992 • 44 citations

Efficiency and resolution of ionography in diagnostic radiology

1974 • 38 citations

The design of megavoltage projection imaging systems: Some theoretical aspects

1991 • 37 citations

Automatic digital contrast enhancement of radiotherapy films

1987 • 35 citations

A robust algorithm for contrast enhancement by local histogram modification

1989 • 33 citations

Study of treatment variation in the radiotherapy of head and neck tumors using a fiber-optic on-line radiotherapy imaging system

1991 • 32 citations

An inverse filter for digital restoration of portal images

1988 • 17 citations

Sampling methods for a matrix ionization chamber system

1992 • 14 citations

An adaptive technique for digital noise suppression in on-line portal imaging

1990 • 10 citations

Computer aided registration of simulation and portal images: an exploratory clinical study

1990 • 6 citations

Practical physics and engineering aspects of hyperthermia

1990 • 4 citations