Computer-assisted method and apparatus for analysis of x-ray images using wavelet transforms

LP Clarke, W Qian, L Li - US Patent 5,799,100, 1998 - Google Patents
A computer-assisted diagnostic (CAD) method and appara tus are described for the
enhancement and detection of suspicious regions in digital X-ray images. with particular …

Image contrast enhancement based on a histogram transformation of local standard deviation

DC Chang, WR Wu - IEEE transactions on medical imaging, 1998 - ieeexplore.ieee.org
The adaptive contrast enhancement (ACE) algorithm, which uses contrast gains (CGs) to
adjust the high-frequency components of images, is a well-known technique for medical …

Multiscale contrast enhancement for radiographies: Laplacian pyramid versus fast wavelet transform

S Dippel, M Stahl, R Wiemker… - IEEE Transactions on …, 2002 - ieeexplore.ieee.org
Contrast enhancement of radiographies based on a multiscale decomposition of the images
recently has proven to be a far more versatile and efficient method than regular unsharp …

Comparison of multiwavelet, wavelet, Haralick, and shape features for microcalcification classification in mammograms

H Soltanian-Zadeh, F Rafiee-Rad - Pattern recognition, 2004 - Elsevier
We present an evaluation and comparison of the performance of four different texture and
shape feature extraction methods for classification of benign and malignant …

Improvement of microcalcification cluster detection in mammography utilizing image enhancement techniques

A Papadopoulos, DI Fotiadis, L Costaridou - Computers in biology and …, 2008 - Elsevier
In this work, the effect of an image enhancement processing stage and the parameter tuning
of a computer-aided detection (CAD) system for the detection of microcalcifications in …

Integrated wavelets for enhancement of microcalcifications in digital mammography

P Heinlein, J Drexl, W Schneider - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
This paper presents a new algorithm for enhancement of microcalcifications in
mammograms. The main novelty is the application of techniques we have developed for …

Online mammographic images database for development and comparison of CAD schemes

BRN Matheus, H Schiabel - Journal of digital imaging, 2011 - Springer
Considering the difficulties in finding good-quality images for the development and test of
computer-aided diagnosis (CAD), this paper presents a public online mammographic …

Computer-aided diagnosis scheme using a filter bank for detection of microcalcification clusters in mammograms

R Nakayama, Y Uchiyama, K Yamamoto… - IEEE Transactions …, 2006 - ieeexplore.ieee.org
Mammography is considered the most effective method for early detection of breast cancers.
However, it is difficult for radiologists to detect microcalcification clusters. Therefore, we have …

Workstation interface for use in digital mammography and associated methods

M Kallergi, LP Clarke, HJ Gohel, M Vossberg - US Patent 6,630,937, 2003 - Google Patents
A workstation-user interface for evaluating computer assisted diagnosis (CAD) methods for
digital mammography is disclosed. Implementation of such an interface enables multiple …

Digital mammography: mixed feature neural network with spectral entropy decision for detection of microcalcifications

B Zheng, W Qian, LP Clarke - IEEE transactions on medical …, 1996 - ieeexplore.ieee.org
A computationally efficient mixed feature based neural network (MFNN) is proposed for the
detection of microcalcification clusters (MCCs) in digitized mammograms. The MFNN …