[go: up one dir, main page]

Javidnia et al., 2018 - Google Patents

Application of preconditioned alternating direction method of multipliers in depth from focal stack

Javidnia et al., 2018

View PDF
Document ID
4619216325900189833
Author
Javidnia H
Corcoran P
Publication year
Publication venue
Journal of Electronic Imaging

External Links

Snippet

Postcapture refocusing effect in smartphone cameras is achievable using focal stacks. However, the accuracy of this effect is totally dependent on the combination of the depth layers in the stack. The accuracy of the extended depth of field effect in this application can …
Continue reading at arxiv.org (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
    • G06T2207/10—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
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • 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
    • 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
    • G06K9/6217—Design or setup of recognition systems and techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B3/00—Simple or compound lenses

Similar Documents

Publication Publication Date Title
Javidnia et al. Application of preconditioned alternating direction method of multipliers in depth from focal stack
Ruchay et al. Accuracy analysis of 3D object shape recovery using depth filtering algorithms
Yin et al. Efficient active depth sensing by laser speckle projection system
Farhood et al. 3D point cloud reconstruction from a single 4D light field image
Fu et al. Scene distance measurement method based on light field imaging
Shim et al. Noise reduction using mean shift algorithm for estimating 3D shape
Voronin et al. A vision system using depth inpainting for virtual content reconstruction in Augmented Reality
Mahmood et al. 3D shape recovery from image focus using Gabor features
Aydin et al. An occlusion insensitive adaptive focus measurement method
Mahmood et al. Shape from focus using principal component analysis in discrete wavelet transform
Wu et al. Image noise level estimation via kurtosis test
Quan et al. A depth enhancement strategy for kinect depth image
Liu et al. A new stereo matching method for RAW image data based on improved SGBM
Mahmood et al. 3D shape recovery from image focus using gray level co-occurrence matrix
Tan et al. EDoF-ToF: extended depth of field time-of-flight imaging
Chang et al. Robust ghost-free multiexposure fusion for dynamic scenes
Buat et al. Single image depth-from-defocus with a learned covariance: algorithm and performance model for co-design
Zhang et al. Fractional-order iterative regularization method for total variation based image denoising
Chan et al. Modeling phase shift data of phase-detection autofocus by skew-normal distribution
Dosselmann et al. Improved method of finding the illuminant direction of a sphere
Mahmood et al. Image focus volume enhancement in shape from focus systems
Kaneda et al. CNN-based realization of Depth from Defocus technique
Tang et al. Motion deblurring based on local temporal compressive sensing for remote sensing image
Hernández-Beltrán et al. Stereo vision parallelization for three-dimensional reconstruction
Javidnia et al. Total variation-based dense depth from multicamera array