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Active learning (AL) has found wide applications in medical image segmentation, aiming to alleviate the annotation workload and enhance performance. Conventional uncertainty-based AL methods, such as entropy and Bayesian, often rely on an…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Siteng Ma , Haochang Wu , Aonghus Lawlor , Ruihai Dong

Deep learning training involves a large number of operations, which are dominated by high dimensionality Matrix-Vector Multiplies (MVMs). This has motivated hardware accelerators to enhance compute efficiency, but where data movement and…

Systems and Control · Electrical Eng. & Systems 2022-07-07 Christopher Grimm , Naveen Verma

In neuromorphic photonic systems, device operations are typically governed by analog signals, necessitating digital-to-analog converters (DAC) and analog-to-digital converters (ADC). However, data movement between memory and these…

Emerging Technologies · Computer Science 2026-01-13 Sean Lam , Ahmed Khaled , Simon Bilodeau , Bicky A. Marquez , Paul R. Prucnal , Lukas Chrostowski , Bhavin J. Shastri , Sudip Shekhar

The implementation of Hyperdimensional Computing (HDC) on In-Memory Computing (IMC) architectures faces significant challenges due to the mismatch between highdimensional vectors and IMC array sizes, leading to inefficient memory…

Hardware Architecture · Computer Science 2025-02-13 Do Yeong Kang , Yeong Hwan Oh , Chanwook Hwang , Jinhee Kim , Kang Eun Jeon , Jong Hwan Ko

Automation of brain tumors in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task. However, high…

Image and Video Processing · Electrical Eng. & Systems 2020-09-28 Laura Mora Ballestar , Veronica Vilaplana

Resistive crossbars enabling analog In-Memory Computing (IMC) have emerged as a promising architecture for Deep Neural Network (DNN) acceleration, offering high memory bandwidth and in-situ computation. However, the manual,…

Hardware Architecture · Computer Science 2025-03-18 Deepak Vungarala , Md Hasibul Amin , Pietro Mercati , Arnob Ghosh , Arman Roohi , Ramtin Zand , Shaahin Angizi

The conventional approach of moving data to the CPU for computation has become a significant performance bottleneck for emerging scale-out data-intensive applications due to their limited data reuse. At the same time, the advancement in 3D…

Comparative diagnostic in brain tumor evaluation makes possible to use the available information of a medical center to compare similar cases when a new patient is evaluated. By leveraging Artificial Intelligence models, the proposed system…

Image and Video Processing · Electrical Eng. & Systems 2024-05-31 Guillermo Iglesias , Edgar Talavera , Jesús Troya Garcìa , Alberto Díaz-Álvarez , Miguel Gracía-Remesal

We explore encoding brain symmetry into a neural network for a brain tumor segmentation task. A healthy human brain is symmetric at a high level of abstraction, and the high-level asymmetric parts are more likely to be tumor regions. Paying…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Hejia Zhang , Xia Zhu , Theodore L. Willke

Second-order optimization methods, which leverage curvature information, offer faster and more stable convergence than first-order methods such as stochastic gradient descent (SGD) and Adam. However, their practical adoption is hindered by…

Emerging Technologies · Computer Science 2025-12-08 Saitao Zhang , Yubiao Luo , Shiqing Wang , Pushen Zuo , Yongxiang Li , Lunshuai Pan , Zheng Miao , Zhong Sun

The exponential growth of artificial intelligence (AI) applications has exposed the inefficiency of conventional von Neumann architectures, where frequent data transfers between compute units and memory create significant energy and latency…

Hardware Architecture · Computer Science 2026-03-18 James Read , Ming-Yen Lee , Wei-Hsing Huang , Yuan-Chun Luo , Anni Lu , Shimeng Yu

As CMOS scaling reaches its technological limits, a radical departure from traditional von Neumann systems, which involve separate processing and memory units, is needed in order to significantly extend the performance of today's computers.…

Modern edge devices increasingly rely on neural networks for intelligent applications. However, conventional digital computing-based edge inference requires substantial memory and energy consumption. In analog radio frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Wentao Yu , Vincent W. S. Wong

In-memory computing is a promising alternative to traditional computer designs, as it helps overcome performance limits caused by the separation of memory and processing units. However, many current approaches struggle with unreliable…

The ability to dynamically extend a model to new data and classes is critical for multiple organ and tumor segmentation. However, due to privacy regulations, accessing previous data and annotations can be problematic in the medical domain.…

Image and Video Processing · Electrical Eng. & Systems 2023-07-24 Yixiao Zhang , Xinyi Li , Huimiao Chen , Alan Yuille , Yaoyao Liu , Zongwei Zhou

This paper presents a tutorial and review of SRAM-based Compute-in-Memory (CIM) circuits, with a focus on both Digital CIM (DCIM) and Analog CIM (ACIM) implementations. We explore the fundamental concepts, architectures, and operational…

Hardware Architecture · Computer Science 2024-11-25 Kentaro Yoshioka , Shimpei Ando , Satomi Miyagi , Yung-Chin Chen , Wenlun Zhang

Integrating multi-modal data to promote medical image analysis has recently gained great attention. This paper presents a novel scheme to learn the mutual benefits of different modalities to achieve better segmentation results for unpaired…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Jie Yang , Ye Zhu , Chaoqun Wang , Zhen Li , Ruimao Zhang

AI is revolutionizing MRI along the acquisition and processing chain. Advanced AI frameworks have been developed to apply AI in various successive tasks, such as image reconstruction, quantitative parameter map estimation, and image…

Medical Physics · Physics 2024-05-02 Dimitrios Karkalousos , Ivana Išgum , Henk A. Marquering , Matthan W. A. Caan

Medical imaging plays a vital role in modern diagnostics; however, interpreting high-resolution radiological data remains time-consuming and susceptible to variability among clinicians. Traditional image processing techniques often lack the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Melika Filvantorkaman , Maral Filvan Torkaman

Mass spectrometry (MS) is essential for proteomics and metabolomics but faces impending challenges in efficiently processing the vast volumes of data. This paper introduces SpecPCM, an in-memory computing (IMC) accelerator designed to…

Hardware Architecture · Computer Science 2024-11-18 Keming Fan , Ashkan Moradifirouzabadi , Xiangjin Wu , Zheyu Li , Flavio Ponzina , Anton Persson , Eric Pop , Tajana Rosing , Mingu Kang