Deep depth from focus with differential focus volume

F Yang, X Huang, Z Zhou - … of the IEEE/CVF conference on …, 2022 - openaccess.thecvf.com
Abstract Depth-from-focus (DFF) is a technique that infers depth using the focus change of a
camera. In this work, we propose a convolutional neural network (CNN) to find the best …

A novel algorithm for three-dimensional shape reconstruction for microscopic objects based on shape from focus

Y Wang, H Jia, P Jia, K Chen, X Zhang - Optics & Laser Technology, 2024 - Elsevier
Shape from focus (SFF) is a technique for reconstructing the 3D shape of a scene from a
sequence of multi-focus images. The quality of the shape reconstruction depends on the …

Shape from focus using fast discrete curvelet transform

R Minhas, AA Mohammed, QMJ Wu - Pattern Recognition, 2011 - Elsevier
A new method for focus measure computation is proposed to reconstruct 3D shape using
image sequence acquired under varying focus plane. Adaptive histogram equalization is …

Kinect-based obstacle detection for manipulator

P Rakprayoon, M Ruchanurucks… - 2011 IEEE/SICE …, 2011 - ieeexplore.ieee.org
This paper presents a method to distinguish between obstacles and manipulator when they
share the same workspace. Microsoft Kinect is used as a capturing device. A Kinect …

Reliability measure for shape-from-focus

S Pertuz, D Puig, MA Garcia - Image and Vision Computing, 2013 - Elsevier
Abstract Shape-from-focus (SFF) is a passive technique widely used in image processing for
obtaining depth-maps. This technique is attractive since it only requires a single monocular …

[PDF][PDF] Shape from Focus with Adaptive Focus Measure and High Order Derivatives.

Y Frommer, R Ben-Ari, N Kiryati - BMVC, 2015 - academia.edu
Abstract Shape From Focus (SFF) methods frequently use a single focus measure to obtain
a depth map. Common focus measures are fixed and spatially invariant. In this paper we …

Extracting depth and radiance from a defocused video pair

X Lin, J Suo, Q Dai - … Transactions on Circuits and Systems for …, 2014 - ieeexplore.ieee.org
We present a novel iterative feedback approach for the simultaneous estimation of depth
and all-in-focus (AIF) videos from a defocused video pair by joint spatiotemporal …

Iterative feedback estimation of depth and radiance from defocused images

X Lin, J Suo, X Cao, Q Dai - Computer Vision–ACCV 2012: 11th Asian …, 2013 - Springer
This paper presents a novel iterative feedback framework for simultaneous estimation of
depth map and All-In-Focus (AIF) image, which benefits each other in each stage to obtain …

Depth from image focus methods for micro-manufacturing

MT Mahmood, SO Shim, S Alshomrani… - The International Journal …, 2013 - Springer
The analysis of industrially important electronic components of micro dimensions such as
thin film transistor liquid crystal display color filter is of fundamental importance in consumer …

Obstacle modeling for manipulator using iterative least square (ils) and iterative closest point (icp) base on kinect

W Sukmanee, M Ruchanurucks… - … conference on robotics …, 2012 - ieeexplore.ieee.org
This paper presents a method to distinguish between a manipulator and its surroundings
using a depth sensor. The depth sensor used is Kinect. First Kinect calibration is addressed …