Lienhart, 2003 - Google Patents
Video OCR: A survey and practitioner's guideLienhart, 2003
View PDF- Document ID
- 7598095055262487598
- Author
- Lienhart R
- Publication year
- Publication venue
- Video mining
External Links
Snippet
This survey strives to present the core concepts underlying the different texture-based approaches to automatie detection, segment at ion and recognition of visual text occurrences in complex images and videos. It emphasizes the different approaches to attack …
- 238000001514 detection method 0 abstract description 31
Classifications
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- G06K9/20—Image acquisition
- G06K9/32—Aligning or centering of the image pick-up or image-field
- G06K9/3233—Determination of region of interest
- G06K9/325—Detection of text region in scene imagery, real life image or Web pages, e.g. licenses plates, captions on TV images
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- G06K9/00624—Recognising scenes, i.e. recognition of a whole field of perception; recognising scene-specific objects
- G06K9/00711—Recognising video content, e.g. extracting audiovisual features from movies, extracting representative key-frames, discriminating news vs. sport content
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- G06K9/46—Extraction of features or characteristics of the image
- G06K9/4671—Extracting features based on salient regional features, e.g. Scale Invariant Feature Transform [SIFT] keypoints
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