Computer-aided diagnosis for pulmonary nodules based on helical CT images

K Kanazawa, Y Kawata, N Niki, H Satoh… - … medical imaging and …, 1998 - Elsevier
In this paper, we present a computer-assisted automatic diagnostic system for lung cancer
that detects nodule candidates at an early stage from helical CT images of the thorax. Our …

3D imaging of blood vessels using x-ray rotational angiographic system

N Niki, Y Kawata, H Satoh… - 1993 IEEE Conference …, 1993 - ieeexplore.ieee.org
The authors describe a 3D image reconstruction method using X-ray rotational angiographic
system to realize 3D imaging of blood vessels. Several reconstruction methods utilize …

Quantitative classification based on CT histogram analysis of non‐small cell lung cancer: Correlation with histopathological characteristics and recurrence‐free …

Y Kawata, N Niki, H Ohmatsu, M Kusumoto… - Medical …, 2012 - Wiley Online Library
Purpose: Quantification of the CT appearance of non‐small cell lung cancer (NSCLC) is of
interest in a number of clinical and investigational applications. The purpose of this work is to …

[HTML][HTML] 36M-pixel synchrotron radiation micro-CT for whole secondary pulmonary lobule visualization from a large human lung specimen

K Umetani, T Okamoto, K Saito, Y Kawata… - European journal of …, 2020 - Elsevier
A micro-CT system was developed using a 36M-pixel digital single-lens reflex camera as a
cost-effective mode for large human lung specimen imaging. Scientific grade cameras used …

Three-dimensional analysis of lung areas using thin-slice CT images

T Tozaki, Y Kawata, N Niki, H Ohmatsu… - Proceedings of 13th …, 1996 - ieeexplore.ieee.org
The lung area has very complicated structure which consists of the bronchus, the pulmonary
artery, and the pulmonary vein. So it is difficult for even medical doctor to understand the …

Classification of pulmonary nodules in thin-section CT images based on shape characterization

Y Kawata, N Niki, H Ohmatsu… - … on Image Processing, 1997 - ieeexplore.ieee.org
Shape characterization of small pulmonary nodules plays a significant role in differential
diagnosis that discriminates malignant and benign nodules at early stages of pulmonary lesion …

Example-based assisting approach for pulmonary nodule classification in three-dimensional thoracic computed tomography images1

Y Kawata, N Niki, H Ohmatsu, N Moriyama - Academic Radiology, 2003 - Elsevier
Rationale and Objectives. An example-based assisting approach that supports decision
making in classifying pulmonary nodules in 3-dimensional (3D) thoracic computed tomography …

Blood vessel‐based liver segmentation using the portal phase of an abdominal CT dataset

AS Maklad, M Matsuhiro, H Suzuki, Y Kawata… - Medical …, 2013 - Wiley Online Library
Purpose: Blood vessel (BV) information can be used to guide body organ segmentation on
computed tomography (CT) imaging. The proposed method uses abdominal BVs (ABVs) to …

3-D visualization of blood vessels and tumor using thin slice CT images

T Tozaki, Y Kawata, N Niki, H Ohmatsu… - Proceedings of 1994 …, 1994 - ieeexplore.ieee.org
The lung area has very complicated structure, so it is difficult to understand the connection
between tumor and blood vessels or bronchus. The authors describe a 3-D visualization …

Measurement of blood vessel characteristics for disease detection based on cone-beam CT images

Y Kawata, N Niki, T Kumazaki - IEEE Transactions on Nuclear …, 1996 - ieeexplore.ieee.org
Presents a method of measurement of blood vessel characteristics for disease detection based
on cone-beam CT images. The important objective here is to show how representation of …