Regularization strategies for discontinuity-preserving optical flow methods
The aim of this paper is to study several strategies for the preservation of flow discontinuities
in variational optical flow methods. We analyze the combination of robust functionals and …
in variational optical flow methods. We analyze the combination of robust functionals and …
Computing inverse optical flow
We propose four algorithms for computing the inverse optical flow between two images. We
assume that the forward optical flow has already been obtained. The forward and backward …
assume that the forward optical flow has already been obtained. The forward and backward …
[PDF][PDF] Variational Temporal Optical Flow for Multi-exposure Video.
O Martorell, A Buades - VISIGRAPP (4: VISAPP), 2022 - pdfs.semanticscholar.org
High Dynamic Range (HDR) reconstruction for multi-exposure video sequences is a very
challenging task. One of its main steps is registration of input frames. We propose a novel …
challenging task. One of its main steps is registration of input frames. We propose a novel …
Direct estimation of the backward flow
The aim of this work is to propose a new method for estimating the backward flow directly
from the optical flow. We assume that the optical flow has already been computed and we …
from the optical flow. We assume that the optical flow has already been computed and we …
[PDF][PDF] Comparison of the optical flow quality for video denoising
NM Monzón López, J Sánchez - 2020 - accedacris.ulpgc.es
Video denoising techniques need to understand the motion present in the scenes. In the
literature, many strategies guide their temporal filters according to trajectories controlled by …
literature, many strategies guide their temporal filters according to trajectories controlled by …
Accurate estimation of the objetct motion in image sequences
N Monzón López - 2017 - accedacris.ulpgc.es
The aim of this thesis is to contribute in the calculation of variational optical flow methods. Tis
is a basic topic in the field of computer vision that pursues the accurate estimation of the …
is a basic topic in the field of computer vision that pursues the accurate estimation of the …
[HTML][HTML] Download source code
J Sánchez, A Salgado, N Monzón - webctim.ulpgc.es
Let I 1 (x) and I 2 (x) be two color images in a sequence, with x=(x, y), and h (x)=(u (x), v (x))
the vector field that establishes the correspondences between the pixels of the images. h (x) …
the vector field that establishes the correspondences between the pixels of the images. h (x) …
Discontinuity preserving in TV-L1 optical flow methods
NM Monzón López… - CTIM Technical …, 2014 - accedacris.ulpgc.es
We analyze the discontinuity preserving problem in TV-L1 optical flow methods. This type of
methods typically creates rounded effects at flow boundaries, which usually do not coincide …
methods typically creates rounded effects at flow boundaries, which usually do not coincide …
Estimación del movimiento de objetos en secuencias de imágenes de intensidad y profundidad
NM Monzón López - 2013 - accedacris.ulpgc.es
The aim of this research work is to perform a system that uses optical flow for detecting and
monitoring one or more objects in a sequence of images, including depth ones, to design an …
monitoring one or more objects in a sequence of images, including depth ones, to design an …