A fast neural network approach to predict lung tumor motion during respiration for radiation therapy applications

I Bukovsky, N Homma, K Ichiji, M Cejnek… - BioMed research …, 2015 - Wiley Online Library
During radiotherapy treatment for thoracic and abdomen cancers, for example, lung cancers,
respiratory motion moves the target tumor and thus badly affects the accuracy of radiation …

Potential of a probabilistic framework for target prediction from surrogate respiratory motion during lung radiotherapy

C Remy, D Ahumada, A Labine, JC Côté… - Physics in Medicine …, 2021 - iopscience.iop.org
Purpose. Respiration-induced motion introduces significant positioning uncertainties in
radiotherapy treatments for thoracic sites. Accounting for this motion is a non-trivial task …

[图书][B] Stationary and non-stationary time series prediction using state space model and pattern-based approach

KM Kam - 2014 - search.proquest.com
The motion-adaptive radiotherapy techniques are promising to deliver ablative radiation
doses to tumor with minimal normal tissue exposure by accounting for real-time tumor …

Multivariate error modeling and uncertainty quantification using importance (re-) weighting for Monte Carlo simulations in particle transport

P Stammer, L Burigo, O Jäkel, M Frank… - Journal of Computational …, 2023 - Elsevier
Fast and accurate predictions of uncertainties in the computed dose are crucial for the
determination of robust treatment plans in radiation therapy. This requires the solution of …

A time‐varying seasonal autoregressive model‐based prediction of respiratory motion for tumor following radiotherapy

K Ichiji, N Homma, M Sakai, Y Narita… - … methods in medicine, 2013 - Wiley Online Library
To achieve a better therapeutic effect and suppress side effects for lung cancer treatments,
latency involved in current radiotherapy devices is aimed to be compensated for improving …

Testing potentials of dynamic quadratic neural unit for prediction of lung motion during respiration for tracking radiation therapy

I Bukovsky, K Ichiji, N Homma… - … Joint Conference on …, 2010 - ieeexplore.ieee.org
This paper presents a study of the dynamic (recurrent) quadratic neural unit (QNU)-a class of
higher order network or a class of polynomial neural network-as applied to the prediction of …

Markerless lung tumor motion tracking by dynamic decomposition of x‐ray Image intensity

N Homma, Y Takai, H Endo, K Ichiji… - Journal of medical …, 2013 - Wiley Online Library
We propose a new markerless tracking technique of lung tumor motion by using an X‐ray
fluoroscopic image sequence for real‐time image‐guided radiation therapy (IGRT). A core …

[PDF][PDF] A time variant seasonal ARIMA model for lung tumor motion prediction

K Ichiji, M Sakai, N Homma, Y Takai… - Proc. of The 15th Int'l …, 2010 - alife-robotics.co.jp
We propose a prediction method of lung tumor motion for real-time tumor following radiation
therapy. An essential core of the method is a model building of time variant nature of the …

A respiratory motion prediction based on time-variant seasonal autoregressive model for real-time image-guided radiotherapy

NH KeiIchiji, M Sakai, M Abe, N Sugita… - Frontiers in Radiation …, 2013 - books.google.com
In radiation therapy, to deliver continuously a sufficient radiation dose to target volume yields
a better therapeutic effect. While, avoiding an exposure to healthy tissues surrounding the …

Intelligent sensing of biomedical signals-lung tumor motion prediction for accurate radiotherapy

K Ichiji, N Homma, I Bukovsky… - 2011 IEEE Workshop …, 2011 - ieeexplore.ieee.org
This paper presents a medical application of the intelligent sensing, a new lung tumor
motion prediction method for tumor following radiation therapy. An essential core of the …