[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Gaganov et al., 2009 - Google Patents

Robust shape from focus via Markov random fields

Gaganov et al., 2009

View PDF
Document ID
14959950108835307635
Author
Gaganov V
Ignatenko A
Publication year
Publication venue
Proceedings of graphicon conference

External Links

Snippet

In this paper we study a problem of 3D scene reconstruction from a set of differently focused images, also known as the shape from focus (SFF) problem. Existing shape from focus methods are known to produce unstable depth estimates in areas with poor texture and in …
Continue reading at www.graphicon.ru (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20112—Image segmentation details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10012—Stereo images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/001—Image restoration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/0068—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image for image registration, e.g. elastic snapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/62—Methods or arrangements for recognition using electronic means
    • G06K9/6201—Matching; Proximity measures
    • G06K9/6202—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/10—Geometric effects
    • G06T15/20—Perspective computation

Similar Documents

Publication Publication Date Title
US10334168B2 (en) Threshold determination in a RANSAC algorithm
Strecke et al. Accurate depth and normal maps from occlusion-aware focal stack symmetry
Mishiba Fast depth estimation for light field cameras
Gaganov et al. Robust shape from focus via Markov random fields
Mahmood et al. Optimal depth estimation by combining focus measures using genetic programming
Wei Converting 2d to 3d: A survey
Fu et al. Shape from focus using gradient of focus measure curve
Jang et al. Removal of non-gaussian jitter noise for shape from focus through improved maximum correntropy criterion kalman filter
Xie et al. Integration of optical flow and Multi-Path-Viterbi algorithm for stereo vision
Chan et al. Depth estimation from a single image using defocus cues
Jang et al. Optimizing image focus for shape from focus through locally weighted non-parametric regression
Kuhn et al. A TV prior for high-quality local multi-view stereo reconstruction
Li et al. Perspective-consistent multifocus multiview 3D reconstruction of small objects
He et al. Improved shape-from-focus reconstruction for high dynamic range freedom surface
Anisimov et al. Rapid light field depth estimation with semi-global matching
Sahay et al. Dealing with parallax in shape-from-focus
Shang et al. Monocular microscopic image 3D reconstruction algorithm based on depth from defocus with adaptive window selection
Sahay et al. Shape extraction of low‐textured objects in video microscopy
Gheta et al. Fusion of combined stereo and focus series for depth estimation
Fujimura et al. Dehazing cost volume for deep multi-view stereo in scattering media
Chen et al. A fast adaptive guided filtering algorithm for light field depth interpolation
Muhammad et al. Recovering 3D shape of weak textured surfaces
Ahmed et al. Enhancement of depth map through weighted combination of guided image filters in shape-from-focus
Mo et al. Toward real-world light field depth estimation: A noise-aware paradigm using multi-stereo disparity integration
Azali et al. Stereo matching algorithm using census transform and segment tree for depth estimation