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Existing approaches for watermarking AI-generated images often rely on post-hoc methods applied in pixel space, introducing computational overhead and potential visual artifacts. In this work, we explore latent space watermarking and…

In computer vision, image segmentation is always selected as a major research topic by researchers. Due to its vital rule in image processing, there always arises the need of a better image segmentation method. Clustering is an unsupervised…

计算机视觉与模式识别 · 计算机科学 2015-06-08 Dibya Jyoti Bora , Anil Kumar Gupta

Recent applications in computer vision have come to heavily rely on superpixel over-segmentation as a pre-processing step for higher level vision tasks, such as object recognition, image labelling or image segmentation. Here we present a…

计算机视觉与模式识别 · 计算机科学 2016-05-20 Imanol Luengo , Mark Basham , Andrew P. French

The ability to detect fragments of deleted image files and to reconstruct these image files from all available fragments on disk is a key activity in the field of digital forensics. Although reconstruction of image files from the file…

分布式、并行与集群计算 · 计算机科学 2009-01-12 Sylvain Collange , Yoginder Dandass , Marc Daumas , David Defour

Many well-known, real-world problems involve dynamic data which describe the relationship among the entities. Hypergraphs are powerful combinatorial structures that are frequently used to model such data. For many of today's data-centric…

数据结构与算法 · 计算机科学 2021-03-10 Fatih Taşyaran , Berkay Demireller , Kamer Kaya , Bora Uçar

Grid space partitioning is a technique to speed up queries to graphics databases. We present a parallel grid construction algorithm which can efficiently construct a structured grid on GPU hardware. Our approach is substantially faster than…

图形学 · 计算机科学 2024-03-19 Vasco Costa , João M. Pereira , Joaquim Jorge

Image segmentation is a key topic in image processing and computer vision with applications such as scene understanding, medical image analysis, robotic perception, video surveillance, augmented reality, and image compression, among many…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Shervin Minaee , Yuri Boykov , Fatih Porikli , Antonio Plaza , Nasser Kehtarnavaz , Demetri Terzopoulos

This paper presents PipeFusion, an innovative parallel methodology to tackle the high latency issues associated with generating high-resolution images using diffusion transformers (DiTs) models. PipeFusion partitions images into patches and…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jiarui Fang , Jinzhe Pan , Aoyu Li , Xibo Sun , Jiannan Wang

Learned boundary maps are known to outperform hand- crafted ones as a basis for the watershed algorithm. We show, for the first time, how to train watershed computation jointly with boundary map prediction. The estimator for the merging…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Steffen Wolf , Lukas Schott , Ullrich Köthe , Fred Hamprecht

Graph partitioning is an important preprocessing step to distributed graph processing. In edge partitioning, the edge set of a given graph is split into $k$ equally-sized partitions, such that the replication of vertices across partitions…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Ruben Mayer , Kamil Orujzade , Hans-Arno Jacobsen

Structural clustering is one of the most popular graph clustering methods, which has achieved great performance improvement by utilizing GPUs. Even though, the state-of-the-art GPU-based structural clustering algorithm, GPUSCAN, still…

数据库 · 计算机科学 2023-12-01 Long Yuan , Zeyu Zhou , Xuemin Lin , Zi Chen , Xiang Zhao , Fan Zhang

In the paper a piecewise constant image approximations of sequential number of pixel clusters or segments are treated. A majorizing of optimal approximation sequence by hierarchical sequence of image approximations is studied. Transition…

计算机视觉与模式识别 · 计算机科学 2014-06-03 M. Kharinov

Hypergraph partitioning is a pervasive NP-hard problem, and accelerating its computation on GPU can both slice time-to-solution and raise quality of results. In this work, we implement a multi-level hypergraph partitioning algorithm on GPU…

分布式、并行与集群计算 · 计算机科学 2026-04-17 Marco Ronzani , Cristina Silvano

Large-scale parallel numerical simulations are essential for a wide range of engineering problems that involve complex, coupled physical processes interacting across a broad range of spatial and temporal scales. The data structures involved…

Until now, all single level segmentation algorithms except CNN-based ones lead to over segmentation. And CNN-based segmentation algorithms have their own problems. To avoid over segmentation, multiple thresholds of criteria are adopted in…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Rui Tang , Wenlong Song , Xiaoping Guan , Huibin Ge , Deke Kong

Efficient and real time segmentation of color images has a variety of importance in many fields of computer vision such as image compression, medical imaging, mapping and autonomous navigation. Being one of the most computationally…

计算机视觉与模式识别 · 计算机科学 2017-10-09 Roopal Nahar , Akanksha Baranwal , K. Madhava Krishna

Vulnerability of watermarking schemes against intense signal processing attacks is generally a major concern, particularly when there are techniques to reproduce an acceptable copy of the original signal with no chance for detecting the…

多媒体 · 计算机科学 2015-01-09 Hossein Bakhshi Golestani , Shahrokh Ghaemmaghami

This paper introduces a fast Central Processing Unit (CPU) implementation of geodesic morphological operations using stream processing. In contrast to the current state-of-the-art, that focuses on achieving insensitivity to the filter sizes…

性能 · 计算机科学 2019-12-02 Danijel Žlaus , Domen Mongus

Establishing visual correspondences under large intra-class variations requires analyzing images at different levels, from features linked to semantics and context to local patterns, while being invariant to instance-specific details. To…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Juhong Min , Jongmin Lee , Jean Ponce , Minsu Cho

A novel and scalable geometric multi-level algorithm is presented for the numerical solution of elliptic partial differential equations, specially designed to run with high occupancy of streaming processors inside Graphics Processing…

数学软件 · 计算机科学 2017-03-22 J. T. Becerra-Sagredo , F. Mandujano , C. Malaga