The paper mainly deals with the basic concept,characteristics and methods of the color and shape based image retrieval.It gives several quantization algorithms for image retrieval.At the same time,Otsu method that sel...The paper mainly deals with the basic concept,characteristics and methods of the color and shape based image retrieval.It gives several quantization algorithms for image retrieval.At the same time,Otsu method that selects the image threshold automatically and a new method using information entropy are described.展开更多
Content based retrieval technology is widely used in multimedia databases Some image databases use the color of image as the main retrieving content feature Shape feature is also used to query image,such as moment var...Content based retrieval technology is widely used in multimedia databases Some image databases use the color of image as the main retrieving content feature Shape feature is also used to query image,such as moment variant,rotating angle,etc In this article,a new approach is presented to retrieve image using the color and shape histogram information The color/shape based retrieval technology has the advantages of accelerating the retrieving speed and resisting the image展开更多
文摘The paper mainly deals with the basic concept,characteristics and methods of the color and shape based image retrieval.It gives several quantization algorithms for image retrieval.At the same time,Otsu method that selects the image threshold automatically and a new method using information entropy are described.
文摘Content based retrieval technology is widely used in multimedia databases Some image databases use the color of image as the main retrieving content feature Shape feature is also used to query image,such as moment variant,rotating angle,etc In this article,a new approach is presented to retrieve image using the color and shape histogram information The color/shape based retrieval technology has the advantages of accelerating the retrieving speed and resisting the image