Journal of Real-Time Image Processing
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A framework for accelerating local feature extraction with OpenCL on multi-core CPUs and co-processors
Journal of Real-Time Image Processing - Tập 16 - Trang 901-918 - 2016
In this paper, we examined heterogeneous architectures, for their suitability to run the scale invariant feature transformation (SIFT) algorithm in real time. The SIFT is one of the most robust as well as one of the most computational intensive algorithms to extract local features in many machine-vision applications. Many ongoing researches presented methods on improving the SIFT execution time. H...... hiện toàn bộ
Hierarchical prediction-based motion vector refinement for video frame-rate up-conversion
Journal of Real-Time Image Processing - Tập 17 Số 2 - Trang 259-273 - 2020
Complexity reduction of test zonal search for fast motion estimation in uni-prediction of High Efficiency Video Coding
Journal of Real-Time Image Processing - Tập 18 - Trang 511-524 - 2020
The complexity of motion estimation in the High Efficiency Video Coding (HEVC) standard is very high as it uses a number of prediction block sizes. The test zonal search (TZS) mechanism is used as motion estimation algorithm in the fast search mode of HM encoder, the reference software for HEVC. In this paper, we present schemes for reducing the complexity of the TZS algorithm for uni-prediction i...... hiện toàn bộ
Smoke vehicle detection based on multi-feature fusion and hidden Markov model
Journal of Real-Time Image Processing - Tập 17 - Trang 745-758 - 2019
Existing smoke vehicle detection methods and vision-based smoke detection methods are vulnerable to false alarms. This paper presents an automatic smoke vehicle detection method based on multi-feature fusion and hidden Markov model (HMM). In this method, we first detect moving objects using an improved visual background extractor (ViBe) algorithm and obtain smoke-colored blocks using color histogr...... hiện toàn bộ
Non-linear diffusion of image noise with minimal iterativity
Journal of Real-Time Image Processing - Tập 11 Số 3 - Trang 445-455 - 2016
Live cell imaging: a computational perspective
Journal of Real-Time Image Processing - Tập 1 - Trang 195-212 - 2007
One of the primary challenges in understanding complex living systems requires a good understanding of the interactions between cellular and molecular functional units. Live cell imaging is the process of non-invasively analyzing dynamic processes in living cells using state-of-the-art microscopy and computer vision techniques. Live cell imaging research provides exciting and novel insights into c...... hiện toàn bộ
Research and implementation of adaptive stereo matching algorithm based on ZYNQ
Journal of Real-Time Image Processing - - 2024
Stereo matching is an important method in computer vision for simulating human binocular vision to acquire spatial distance information. Implementing high-precision and real-time stereo-matching algorithms on hardware platforms with limited resources remains a significant challenge. Although the semi-global stereo-matching algorithm strikes a good balance between obtaining accuracy in the disparit...... hiện toàn bộ
Parallel approaches to improve the speed of chaotic-maps-based encryption using GPU
Journal of Real-Time Image Processing - Tập 18 - Trang 1897-1906 - 2021
Chaos-based cryptography has become a major interest for providing effective, fast and secure encryption in the recent few years. Chaos-based encryption applies basically repetitive steps of more than one chaotic map to increase the strength of the security. However, this repetition unfortunately increases the processing time especially for videos. With the advent of the graphical processing units...... hiện toàn bộ
Exploiting error control in matrix coding-based data hiding over lossy channel
Journal of Real-Time Image Processing - Tập 16 - Trang 577-588 - 2018
A steganographic scheme, matrix coding-based data hiding (MCDH), is constructed from covering function to enhance embedding efficiency, and, meanwhile, decrease the required changed bits. However, the MCDH may be compromised when using it as steganography over lossy channel. In this paper, we consider the so-called error spreading problem that one-bit error in MCDH may give rise to multi-bit error...... hiện toàn bộ
Real-time video denoising on multicores and GPUs with Kalman-based and Bilateral filters fusion
Journal of Real-Time Image Processing - Tập 16 - Trang 1629-1642 - 2017
In the context of video processing, image noise caused by acquisition, transfer and image compression can be attenuated by video denoising algorithms. However, their computational cost must be as low as possible to allow them to be applied to real-time applications. In this paper, we propose stmkf, a real-time video denoising algorithm based on Kalman and Bilateral filters. We evaluate the effecti...... hiện toàn bộ
Tổng số: 964
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