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Deformable image registration is a fundamental task in medical imaging. Due to the large computational complexity of deformable registration of volumetric images, conventional iterative methods usually face the tradeoff between the…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kaicong Sun , Sven Simon

Rotary Position Embedding (RoPE) has become a core component of modern Transformer architectures across language, vision, and 3D domains. However, existing implementations rely on vector-level split and merge operations that introduce…

机器学习 · 计算机科学 2026-04-14 Chen Minqi , Zhongqi Yue , Shihao Zhang , Yun Xu , Peng Wu , kaixiang Xu , Zeyi Huang , Hanwang Zhang

The widely adopted sequential variant of Non Maximum Suppression (or Greedy-NMS) is a crucial module for object-detection pipelines. Unfortunately, for the region proposal stage of two/multi-stage detectors, NMS is turning out to be a…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Rohun Tripathi , Vasu Singla , Mahyar Najibi , Bharat Singh , Abhishek Sharma , Larry Davis

This paper presents new mappings of 2D and 3D geometrical transformation on the MorphoSys (M1) reconfigurable computing (RC) prototype [2]. This improves the system performance as a graphics accelerator [1-5]. Three algorithms are mapped…

分布式、并行与集群计算 · 计算机科学 2019-04-30 Issam Damaj , Suhaib Majzoub , Hassan Diab

Region proposal is critical for object detection while it usually poses a bottleneck in improving the computation efficiency on traditional control-flow architectures. We have observed region proposal tasks are potentially suitable for…

分布式、并行与集群计算 · 计算机科学 2018-10-30 Wenzhi Fu , Jianlei Yang , Pengcheng Dai , Yiran Chen , Weisheng Zhao

The purpose of this paper is to introduce a very efficient algorithm for signal extrapolation. It can widely be used in many applications in image and video communication, e. g. for concealment of block errors caused by transmission errors…

图像与视频处理 · 电气工程与系统科学 2022-07-05 Jürgen Seiler , André Kaup

The shapes and morphology of the organs and tissues are important prior knowledge in medical imaging recognition and segmentation. The morphological operation is a well-known method for morphological feature extraction. As the morphological…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Chentian Li , Chi Ma , William W. Lu

We develop a multiresolution approach to the problem of polygonal curve approximation. We show theoretically and experimentally that, if the simplification algorithm A used between any two successive levels of resolution satisfies some…

计算几何 · 计算机科学 2008-07-22 Pierre-François Marteau , Gildas G. Ménier

Surface integral equation (SIE) methods are of great interest for the efficient electromagnetic modeling of various devices, from integrated circuits to antenna arrays. Existing acceleration algorithms for SIEs, such as the adaptive…

计算工程、金融与科学 · 计算机科学 2021-07-13 Shashwat Sharma , Piero Triverio

In Transformer models, non-GEMM (non-General Matrix Multiplication) operations -- especially Softmax and Layer Normalization (LayerNorm) -- often dominate hardware cost due to their nonlinear nature. To address this, previous approximation…

硬件体系结构 · 计算机科学 2026-04-28 Dawon Choi , Hana Kim , Ji-Hoon Kim

Computing on encrypted data is a promising approach to reduce data security and privacy risks, with homomorphic encryption serving as a facilitator in achieving this goal. In this work, we accelerate homomorphic operations using the…

密码学与安全 · 计算机科学 2023-10-04 Harshita Gupta , Mayank Kabra , Juan Gómez-Luna , Konstantinos Kanellopoulos , Onur Mutlu

Convolutional Neural Networks (CNNs) have been utilised in many image and video processing applications. The convolution operator, also known as a spatial filter, is usually a linear operation, but this linearity compromises essential…

硬件体系结构 · 计算机科学 2024-09-10 Nelson Campos , Eran Edirisinghe , Salva Chesnokov , Daniel Larkin

The increasing complexity of AI models requires flexible hardware capable of supporting diverse precision formats, particularly for energy-constrained edge platforms. This work presents PARV-CE, a SIMD-enabled, multi-precision MAC engine…

硬件体系结构 · 计算机科学 2025-06-11 Mukul Lokhande , Santosh Kumar Vishvakarma

Hybrid vision transformers combine the elements of conventional neural networks (NN) and vision transformers (ViT) to enable lightweight and accurate detection. However, several challenges remain for their efficient deployment on…

硬件体系结构 · 计算机科学 2025-07-22 Joren Dumoulin , Pouya Houshmand , Vikram Jain , Marian Verhelst

The current state of the art of Simultaneous Localisation and Mapping, or SLAM, on low power embedded systems is about sparse localisation and mapping with low resolution results in the name of efficiency. Meanwhile, research in this field…

机器人学 · 计算机科学 2019-02-14 Konstantinos Boikos , Christos-Savvas Bouganis

An optical neural network is proposed and demonstrated with programmable matrix transformation and nonlinear activation function of photodetection (square-law detection). Based on discrete phase-coherent spatial modes, the dimensionality of…

光学 · 物理学 2021-08-20 Shikang Li , Baohua Ni , Xue Feng , Kaiyu Cui , Fang Liu , Wei Zhang , Yidong Huang

Mathematical morphology (MM) is a theory of non-linear operators used for the processing and analysis of images. Morphological neural networks (MNNs) are neural networks whose neurons compute morphological operators. Dilations and erosions…

机器学习 · 计算机科学 2020-11-13 Angelica Lourenço Oliveira , Marcos Eduardo Valle

Dilated Convolutions have been shown to be highly useful for the task of image segmentation. By introducing gaps into convolutional filters, they enable the use of larger receptive fields without increasing the original kernel size. Even…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Thomas Ziegler , Manuel Fritsche , Lorenz Kuhn , Konstantin Donhauser

Depthwise convolutions are widely used in lightweight convolutional neural networks (CNNs). The performance of depthwise convolutions is mainly bounded by the memory access rather than the arithmetic operations for classic convolutions so…

分布式、并行与集群计算 · 计算机科学 2022-06-27 Ruochen Hao , Qinglin Wang , Shangfei Yin , Tianyang Zhou , Siqi Shen , Songzhu Mei , Jie Liu

Mathematical morphology (MM) helps to describe and analyze shapes using set theory. MM can be effectively applied to binary images which are treated as sets. Basic morphological operators defined can be used as an effective tool in image…

计算机视觉与模式识别 · 计算机科学 2015-07-28 Keerthana S. Prakash , R. P. Prakash , V. P. Binu