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相关论文: Measurement of breast-tissue x-ray attenuation by …

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Deep learning-based computer-aided diagnosis has achieved unprecedented performance in breast cancer detection. However, most approaches are computationally intensive, which impedes their broader dissemination in real-world applications. In…

图像与视频处理 · 电气工程与系统科学 2022-01-14 Jiaqiao Shi , Aleksandar Vakanski , Min Xian , Jianrui Ding , Chunping Ning

Background: Material structures at the micrometer scale cause ultra-small-angle X-ray scattering, e.g., seen in lung tissue or plastic foams. In grating-based X-ray imaging, this causes a reduction of the fringe visibility, forming a…

Fine-tuning a network which has been trained on a large dataset is an alternative to full training in order to overcome the problem of scarce and expensive data in medical applications. While the shallow layers of the network are usually…

图像与视频处理 · 电气工程与系统科学 2020-02-21 Mina Amiri , Rupert Brooks , Hassan Rivaz

Microcalcifications are small deposits of calcium that appear in mammograms as bright white specks on the soft tissue background of the breast. Microcalcifications may be a unique indication for Ductal Carcinoma in Situ breast cancer, and…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Roee Zamir , Shai Bagon , David Samocha , Yael Yagil , Ronen Basri , Miri Sklair-Levy Meirav Galun

We aim to investigate the impact of image and signal properties on visual attention mechanisms during a signal detection task in digital images. The application of insight yielded from this work spans many areas of digital imaging where…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Amar Kavuri , Howard C. Gifford , Mini Das

Mammography is crucial for breast cancer surveillance and early diagnosis. However, analyzing mammography images is a demanding task for radiologists, who often review hundreds of mammograms daily, leading to overdiagnosis and…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Kun Zhao , Jakub Prokop , Javier Montalt Tordera , Sadegh Mohammadi

Dynamic contrast-enhanced (DCE) MRI is essential for breast cancer diagnosis and treatment. However, its reliance on contrast agents introduces safety concerns, contraindications, increased cost, and workflow complexity. To this end, we…

We present the first fully two-dimensional attenuation imaging technique developed for pulse-echo ultrasound systems. Unlike state-of-the-art techniques, which use line-by-line acquisitions, our method uses steered emissions to constrain…

医学物理 · 物理学 2024-03-14 Naiara Korta Martiartu , Parisa Salemi Yolgunlu , Martin Frenz , Michael Jaeger

Waves scattered by a weakly inhomogeneous random medium contain a predominant single scattering contribution as well as a multiple scattering contribution which is usually neglected, especially for imaging purposes. A method based on random…

经典物理 · 物理学 2015-03-13 Alexandre Aubry , Arnaud Derode

Breast cancer is described as one of the most common types of cancer which has been diagnosed mainly in women. When compared in the ratio of male to female, it has been duly found that the prone of having breast cancer is more in females…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Poulmi Banerjee , Satadal Saha

Skin cancer is a major public health problem that could benefit from computer-aided diagnosis to reduce the burden of this common disease. Skin lesion segmentation from images is an important step toward achieving this goal. However, the…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Zahra Mirikharaji , Kumar Abhishek , Alceu Bissoto , Catarina Barata , Sandra Avila , Eduardo Valle , M. Emre Celebi , Ghassan Hamarneh

This study describes a new approach for material decomposition in x-ray imaging, utilising phase contrast to both increase sensitivity to weakly-attenuating samples and to act as a complementary measurement to attenuation, therefore…

This study presents a deep learning system for breast cancer detection in mammography, developed using a modified EfficientNetV2 architecture with enhanced attention mechanisms. The model was trained on mammograms from a major Thai medical…

One of the most common methods for inferring galaxy attenuation curves is via spectral energy distribution (SED) modeling, where the dust attenuation properties are modeled simultaneously with other galaxy physical properties. In this…

星系天体物理 · 物理学 2022-05-25 Sidney Lower , Desika Narayanan , Joel Leja , Benjamin D. Johnson , Charlie Conroy , Romeel Dave

Predicting the risk of developing breast cancer is an important clinical tool to guide early intervention and tailoring personalized screening strategies. Early risk models have limited performance and recently machine learning-based…

图像与视频处理 · 电气工程与系统科学 2025-05-29 Zhengbo Zhou , Dooman Arefan , Margarita Zuley , Jules Sumkin , Shandong Wu

Wavelet transform of polarized fluorescence spectroscopic data of human breast tissues is found to reliably differentiate normal and malignant tissue types and isolate characteristic biochemical signatures of cancerous tissues, which can…

医学物理 · 物理学 2007-05-23 Nrusingh C. Biswal , Sharad Gupta , Asima Pradhan , Prasanta K. Panigrahi

To take advantage of high-resolution optics sensitive to a broad energy range, future X-ray imaging instruments will require thick detectors with small pixels. This pixel aspect ratio affects spectral response in the soft X-ray band, vital…

Detecting and classifying lesions in breast ultrasound images is a promising application of artificial intelligence (AI) for reducing the burden of cancer in regions with limited access to mammography. Such AI systems are more likely to be…

Breast cancer is the most common cancer among women worldwide. Early-stage diagnosis of breast cancer can significantly improve the efficiency of treatment. Computer-aided diagnosis (CAD) systems are widely adopted in this issue due to…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Mohammad Reza Abbasniya , Sayed Ali Sheikholeslamzadeh , Hamid Nasiri , Samaneh Emami

The analysis of the ultrasonic frequency-dependent backscatter coefficient of aggregating red blood cells reveals information about blood structural properties. The difficulty to apply this technique in vivo is due to the…

生物物理 · 物理学 2009-11-13 Emilie Franceschini , François T. H. Yu , Guy Cloutier