中文
相关论文

相关论文: A Discrete Tchebichef Transform Approximation for …

200 篇论文

Biological soft tissues encountered in clinical and pre-clinical imaging mainly consist of light element atoms, and their composition is nearly uniform with little density variation. Thus, x-ray attenuation imaging suffers from low image…

医学物理 · 物理学 2011-06-28 Wenxiang Cong , Atsushi Momose , Ge Wang

This paper proposes a high-speed transceiver-based method for implementing a digital-to-time converter (DTC). A real-time decoding technique is introduced to inject time information into high-speed pattern data. The stability of the…

信号处理 · 电气工程与系统科学 2024-12-11 Dexuan Kong , Zaiming Fu , Yujie Deng , Ruiqi Wang

In order to improve bitrates of lossless JPEG 2000, we propose to modify the discrete wavelet transform (DWT) by skipping selected steps of its computation. We employ a heuristic to construct the skipped steps DWT (SS-DWT) in an…

多媒体 · 计算机科学 2017-01-03 Roman Starosolski

Over-fitting-based image compression requires weights compactness for compression and fast convergence for practical use, posing challenges for deep convolutional neural networks (CNNs) based methods. This paper presents a simple…

图像与视频处理 · 电气工程与系统科学 2023-10-13 Yun Ye , Yanjie Pan , Qually Jiang , Ming Lu , Xiaoran Fang , Beryl Xu

Multimodal transformer exhibits high capacity and flexibility to align image and text for visual grounding. However, the existing encoder-only grounding framework (e.g., TransVG) suffers from heavy computation due to the self-attention…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Fengyuan Shi , Ruopeng Gao , Weilin Huang , Limin Wang

While zero-shot diffusion-based compression methods have seen significant progress in recent years, they remain notoriously slow and computationally demanding. This paper presents an efficient zero-shot diffusion-based compression method…

图像与视频处理 · 电气工程与系统科学 2026-04-15 Amit Vaisman , Guy Ohayon , Hila Manor , Michael Elad , Tomer Michaeli

Low-light image enhancement restores the colors and details of a single image and improves high-level visual tasks. However, restoring the lost details in the dark area is still a challenge relying only on the RGB domain. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Xiangchen Yin , Zhenda Yu , Xin Gao , Xiao Sun

DPICT is the first learning-based image codec supporting fine granular scalability. In this paper, we describe how to implement two key components of DPICT efficiently: trit-plane slicing and rate-distortion-optimized (RD-optimized) coding.…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Seungmin Jeon , Jae-Han Lee , Chang-Su Kim

Text-to-image generation has important implications for generation of diverse and controllable images. Several attempts have been made to adapt Stable Diffusion (SD) to the medical domain. However, the large distribution difference between…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Peng Huang , Xue Gao , Lihong Huang , Jing Jiao , Xiaokang Li , Yuanyuan Wang , Yi Guo

We show how transformers can be used to vastly simplify neural video compression. Previous methods have been relying on an increasing number of architectural biases and priors, including motion prediction and warping operations, resulting…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Fabian Mentzer , George Toderici , David Minnen , Sung-Jin Hwang , Sergi Caelles , Mario Lucic , Eirikur Agustsson

The article presents a computationally effective algorithm for calculating the multiresolution discrete Fourier transform (MrDFT). The algorithm is based on the idea of reducing the computational complexity which was introduced by Wen and…

数据结构与算法 · 计算机科学 2015-07-10 Bartosz Andreatto , Aleksandr Cariow

The two-dimensional discrete wavelet transform has a huge number of applications in image-processing techniques. Until now, several papers compared the performance of such transform on graphics processing units (GPUs). However, all of them…

计算机视觉与模式识别 · 计算机科学 2017-05-24 David Barina , Michal Kula , Michal Matysek , Pavel Zemcik

We propose a novel method for privacy-preserving deep neural networks (DNNs) with the Vision Transformer (ViT). The method allows us not only to train models and test with visually protected images but to also avoid the performance…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Teru Nagamori , Sayaka Shiota , Hitoshi Kiya

The discrete prolate spheroidal sequences (DPSS's) provide an efficient representation for discrete signals that are perfectly timelimited and nearly bandlimited. Due to the high computational complexity of projecting onto the DPSS basis -…

数值分析 · 数学 2017-08-14 Santhosh Karnik , Zhihui Zhu , Michael B. Wakin , Justin Romberg , Mark A. Davenport

This paper presents a novel intrinsic image transfer (IIT) algorithm for illumination manipulation, which creates a local image translation between two illumination surfaces. This model is built on an optimization-based framework consisting…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Junqing Huang , Michael Ruzhansky , Qianying Zhang , Haihui Wang

A huge advantage of the wavelet transform in image and video compression is its scalability. Wavelet-based coding of medical computed tomography (CT) data becomes more and more popular. While much effort has been spent on encoding of the…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Wolfgang Schnurrer , Jürgen Seiler , Eugen Wige , André Kaup

Generating temporally-consistent high-fidelity videos can be computationally expensive, especially over longer temporal spans. More-recent Diffusion Transformers (DiTs) -- despite making significant headway in this context -- have only…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Kumara Kahatapitiya , Haozhe Liu , Sen He , Ding Liu , Menglin Jia , Chenyang Zhang , Michael S. Ryoo , Tian Xie

Density Functional Tight Binding (DFTB) is an attractive method for accelerated quantum simulations of condensed matter due to its enhanced computational efficiency over standard Density Functional Theory approaches. However, DFTB models…

The large pre-trained vision transformers (ViTs) have demonstrated remarkable performance on various visual tasks, but suffer from expensive computational and memory cost problems when deployed on resource-constrained devices. Among the…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Yanjing Li , Sheng Xu , Baochang Zhang , Xianbin Cao , Peng Gao , Guodong Guo

Recent advancements in deep learning-based image compression are notable. However, prevalent schemes that employ a serial context-adaptive entropy model to enhance rate-distortion (R-D) performance are markedly slow. Furthermore, the…

应用统计 · 统计学 2024-03-25 Haisheng Fu , Feng Liang , Jie Liang , Zhenman Fang , Guohe Zhang , Jingning Han
‹ 上一页 1 8 9 10 下一页 ›