Integrated Region-Based Image Retrieval
The need for efficient content-based image retrieval has increased tremendously in areas such as biomedicine, military, commerce, education, and Web image classification and searching. In the biomedical domain, content-based image retrieval can be used in patient digital libraries, clinical diagnosis, searching of 2-D electrophoresis gels, and pathology slides.
Integrated Region-Based Image Retrieval presents a wavelet-based approach for feature extraction, combined with integrated region matching. An image in the database, or a portion of an image, is represented by a set of regions, roughly corresponding to objects, which are characterized by color, texture, shape, and location. A measure for the overall similarity between images is developed as a region-matching scheme that integrates properties of all the regions in the images. The advantage of using this "soft matching" is that it makes the metric robust to poor segmentation, an important property that previous research has not solved. Integrated Region-Based Image Retrieval demonstrates an experimental image retrieval system called SIMPLIcity (Semantics-sensitive Integrated Matching for Picture LIbraries). This system validates these methods on various image databases, proving that such methods perform much better and much faster than existing ones. The system is exceptionally robust to image alterations such as intensity variation, sharpness variation, intentional distortions, cropping, shifting, and rotation. These features are extremely important to biomedical image databases since visual features in the query image are not exactly the same as the visual features in the images in the database.
Integrated Region-Based Image Retrieval is an excellent reference for researchers in the fields of image retrieval, multimedia, computer vision and image processing.
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applied average benign images benign websites biomedical image databases block CBIR system centroid Chapter classification methods classify images color histogram color space component computed content-based image retrieval COREL Daubechies defined denotes developed domain edge Euclidean distance evaluation example fast wavelet transform feature extraction feature space feature vector filter frequency bands function general-purpose image graph Haar wavelet image classification image indexing image semantics integrated region matching IRM distance k-means algorithm matched images medical image metric multiresolution node object objectionable images objectionable websites original image partition pathology images performance photograph picture libraries pixels query image query interfaces query results ranks of matched region matching IRM region-based related images rescaled retrieval system RGB color space robustness scheme Section segmentation semantic classification similarity measure SIMPLIcity retrieved SIMPLIcity system sketch queries standard deviation statistical clustering supervised learning textured images threshold TSVQ variations vector quantization wavelet coefficients wavelet transform wavelet-based WBIIS WIPE system
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