58 research outputs found
Adversarial Deep Structured Nets for Mass Segmentation from Mammograms
Mass segmentation provides effective morphological features which are
important for mass diagnosis. In this work, we propose a novel end-to-end
network for mammographic mass segmentation which employs a fully convolutional
network (FCN) to model a potential function, followed by a CRF to perform
structured learning. Because the mass distribution varies greatly with pixel
position, the FCN is combined with a position priori. Further, we employ
adversarial training to eliminate over-fitting due to the small sizes of
mammogram datasets. Multi-scale FCN is employed to improve the segmentation
performance. Experimental results on two public datasets, INbreast and
DDSM-BCRP, demonstrate that our end-to-end network achieves better performance
than state-of-the-art approaches.
\footnote{https://github.com/wentaozhu/adversarial-deep-structural-networks.git}Comment: Accepted by ISBI2018. arXiv admin note: substantial text overlap with
arXiv:1612.0597
Clasificación de tumores en cáncer de mama basado en redes neuronales de convolución
El cáncer de mama es una de las causas más frecuentes de mortalidad en las mujeres.
Con la llegada de los sistemas inteligentes, la detección automática de tumores en
mamografías se ha convertido en un gran reto y puede jugar un papel crucial para
mejorar el diagnóstico médico. En este trabajo, se propone un sistema de diagnóstico
asistido por ordenador basado en técnicas de Deep Learning, específicamente en
redes neuronales de convolución (CNN). El sistema está dividido en dos partes: en
primer lugar, se realiza un preprocesamiento sobre las mamografías extraídas de
una base de datos pública; posteriormente, las CNNs extraen características de las
imágenes preprocesadas para finalmente clasificarlas en función de los dos tipos de
tumores existentes: benignos y malignos. Los resultados de este estudio muestran
que el sistema tiene una precisión del 80% en clasificación de tumores.Breast cancer is one of the most frequent causes of mortality in women. With the
arrival of the artificial intelligent, the automatic detection of tumors in mammograms
has become a big challenge and can play a crucial role in improving medical diagnosis.
In this work, a computer-aided diagnosis system based on Deep Learning techniques,
specifically in Convolutional Neural Networks (CNN), is proposed. The system is
divided into two parts: first, a preprocessing is performed on mammograms taken
from a public database; then, the CNN extracts features of the preprocessed images
to finally classify them accordingly to the type of tissue. The results of this study
show that the system has an accuracy of 80% in the classification
WG1N5327 - Medical image database for lossless codec evaluation
This document presents the CAIMAN Project medical image database for JPEG commitee evaluation works purposes.This document describes the CAIMAN ANR project contribution on medical images to be considered for AIC. In order to evaluate the medical image codec, we have compiled a list of medical image (X-ray, CT, MRI) for the development and analysis of medical image compression scheme. All images can be found on a secure FTP server, and can be use freely for research purpose
Prototype of a low-cost 3D breast ultrasound imaging system
This work describes a setup of the new
acquisition system for 3D ultrasound images (i.e. B-mode) for
breast tomography. Since premature and precise breast
lesions diagnoses turn out in treatment more efficient and save
lives, we are looking for a more precise, less painful exams and
dose reduction for the patient. Therefore, a low cost scanner
mechanism was built aiming to accommodate breasts under
water while patient is laid down on a bed in which a robotic
arm guides the ultrasound probe to acquire 2D images. Then
3D image is reconstructed using the 2D images due to render
the mammary volume searching for lesions. The low cost
scanner was built using a regular ultrasound machine, linear
probe and major controls made by an Arduino Uno. We
compared the acquired phantom images with gold standard
images for mammary tissues diagnostics, i.e. Computerized
Tomography and Magnetic Resonance Images. This study
was evaluated using a paraffin-gel and mineral oil control
phantom. Results show that the provided module is convicting
enough to be used in local hospital as the next step of this
study
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