[go: up one dir, main page]

Nunnagoppula et al., 2013 - Google Patents

Automatic blur detection in mobile captured document images: Towards quality check in mobile based document imaging applications

Nunnagoppula et al., 2013

Document ID
6900788255370646257
Author
Nunnagoppula G
Deepak K
Harikrishna G
Rai N
Krishna P
Vesdapunt N
Publication year
Publication venue
2013 IEEE Second International Conference on Image Information Processing (ICIIP-2013)

External Links

Snippet

Optical Character Recognition is widely used for automated processing of document images. While character recognition technology is mature, its application to mobile captured document image is still at its nascent stage. Capturing images from a mobile camera poses …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20048Transform domain processing
    • G06T2207/20056Discrete and fast Fourier transform, [DFT, FFT]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/20Image acquisition
    • G06K9/32Aligning or centering of the image pick-up or image-field
    • G06K9/3233Determination of region of interest
    • G06K9/325Detection of text region in scene imagery, real life image or Web pages, e.g. licenses plates, captions on TV images
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46Extraction of features or characteristics of the image
    • G06K9/52Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
    • G06K9/527Scale-space domain transformation, e.g. with wavelet analysis
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10024Color image
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20172Image enhancement details
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30108Industrial image inspection
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20016Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/001Image restoration
    • G06T5/003Deblurring; Sharpening
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20212Image combination
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00597Acquiring or recognising eyes, e.g. iris verification
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/62Methods or arrangements for recognition using electronic means
    • G06K9/6201Matching; Proximity measures
    • G06K9/6202Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns

Similar Documents

Publication Publication Date Title
Shi et al. Just noticeable defocus blur detection and estimation
Xu et al. Source camera identification from image texture features
CN104540445B (en) Image processing device, image processing method and image processing system
Gou et al. Intrinsic sensor noise features for forensic analysis on scanners and scanned images
Gourrame et al. A zero-bit Fourier image watermarking for print-cam process
Liu et al. Blind image restoration with sparse priori regularization for passive millimeter-wave images
Visentini-Scarzanella et al. Video jitter analysis for automatic bootleg detection
Liu et al. Infrared and visible image fusion based on region of interest detection and nonsubsampled contourlet transform
Chen et al. Directional high-pass filter for blurry image analysis
Li et al. Atmospheric turbulence degraded-image restoration by kurtosis minimization
Liu et al. On the use of phase congruency to evaluate image similarity
Nunnagoppula et al. Automatic blur detection in mobile captured document images: Towards quality check in mobile based document imaging applications
Wang et al. A new method estimating linear gaussian filter kernel by image PRNU noise
Tadicć et al. License Plate Detection using Gabor filter banks and texture analysis
Iuliani et al. A hybrid approach to video source identification
Matsushita et al. An improved camera identification method based on the texture complexity and the image restoration
Ezekiel et al. No-reference objective blur metric based on the notion of wavelet gradient, magnitude edge width
Kamenetsky et al. Interactive atmospheric turbulence mitigation
Ezekiel et al. No-reference blur metric using double-density and dual-tree two-dimensional wavelet transformation
Kaur et al. Hand gesture image enhancement for improved recognition and subsequent analysis
Liu et al. Linear filter kernel estimation based on digital camera sensor noise
Harrity et al. No-reference multi-scale blur metric
Zhou et al. Optik-International Journal for Light and Electron Optics
Mohsenzadegan et al. A patch-based convolutional neural network model for blind blur enhancement of document-images
Gupta et al. Exploiting noise and textural features for passive image forensics