Real-time efficient fpga implementation of the multi-scale lucas-kanade and horn-schunck optical flow algorithms for a 4k video stream
K Blachut, T Kryjak - Sensors, 2022 - mdpi.com
The information about optical flow, ie, the movement of pixels between two consecutive
images from a video sequence, is used in many vision systems, both classical and those …
images from a video sequence, is used in many vision systems, both classical and those …
Three realizations and comparison of hardware for piezoresistive tactile sensors
Tactile sensors are basically arrays of force sensors that are intended to emulate the skin in
applications such as assistive robotics. Local electronics are usually implemented to reduce …
applications such as assistive robotics. Local electronics are usually implemented to reduce …
Parallel architecture for hierarchical optical flow estimation based on FPGA
The proposed work presents a highly parallel architecture for motion estimation. Our system
implements the well-known Lucas and Kanade algorithm with the multi-scale extension for …
implements the well-known Lucas and Kanade algorithm with the multi-scale extension for …
Sparse camera network for visual surveillance--a comprehensive survey
M Song, D Tao, SJ Maybank - arXiv preprint arXiv:1302.0446, 2013 - arxiv.org
Technological advances in sensor manufacture, communication, and computing are
stimulating the development of new applications that are transforming traditional vision …
stimulating the development of new applications that are transforming traditional vision …
A real-time and efficient optical flow tracking accelerator on fpga platform
Y Gong, J Zhang, X Liu, J Li, Y Lei… - … on Circuits and …, 2023 - ieeexplore.ieee.org
Optical flow is a highly efficient visual tracking algorithm, which is commonly used to
estimate pixel movement between two consecutive images in a video sequence. However …
estimate pixel movement between two consecutive images in a video sequence. However …
FPGA-based hardware implementation of real-time optical flow calculation
Optical flow calculation algorithms are hard to implement on the hardware level in real-time,
due to their complexity and high computational load. Therefore, presented works in the …
due to their complexity and high computational load. Therefore, presented works in the …
A novel hardware architecture of the Lucas–Kanade optical flow for reduced frame memory access
The Lucas-Kanade (LK) algorithm is a cost-efficient gradient-based algorithm for real-time
optical flow generation. An excessive external memory access limits the LK algorithm from …
optical flow generation. An excessive external memory access limits the LK algorithm from …
Outdoor field performances of insect‐based visual motion sensors
Considerable attention has been paid during the past decade to navigation systems based
on the use of visual optic flow cues. Optic flow‐‐based visuomotor control systems have …
on the use of visual optic flow cues. Optic flow‐‐based visuomotor control systems have …
Efficient hardware implementation of the Horn-Schunck algorithm for high-resolution real-time dense optical flow sensor
M Komorkiewicz, T Kryjak, M Gorgon - Sensors, 2014 - mdpi.com
This article presents an efficient hardware implementation of the Horn-Schunck algorithm
that can be used in an embedded optical flow sensor. An architecture is proposed, that …
that can be used in an embedded optical flow sensor. An architecture is proposed, that …
Comparing optical flow algorithms using 6-dof motion of real-world rigid objects
M Mammarella, G Campa, ML Fravolini… - … on Systems, Man …, 2012 - ieeexplore.ieee.org
The application of optical flow algorithms to guidance and navigation problems has gained
considerable interest in recent years. This paper summarizes the results of a comparative …
considerable interest in recent years. This paper summarizes the results of a comparative …