Information retrieval systems facilitate the search for annotated audiovisual documents from different corpora. One of the main problems is to determine domain-specific vocabulary like names, brands, technical terms etc. by using general language models (LM) especially in broadcast news. Our approach consists of two steps to overcome the out-of-vocabulary (OOV) problem to improve the spoken doc...

We review recent advances in image retrieval. The two fundamental components of a retrieval system, representation and learning, are analyzed. Each component is decomposed into its constituent building blocks: features, feature representation, and similarity function for the representation; shortand long-term procedures for learning. We identify a series of requirements for each of the sub-area...

In fractal compression technique, an image is partitioned into sub blocks called range blocks, each of which is encoded by matching it (after an appropriate affine transformation) with a block chosen from a large pool of domain blocks, which is constructed from the image itself. The problem is that the encoding is very time consuming because of the need to search in a very large domain pool. Ou...

In medical images, Content-based image retrieval (CBIR) is a primary technique for computer-aided diagnosis. Many research works were developed in content based medical image retrieval, but the techniques have the drawback of low efficiency and high computation cost. To avoid such negative aspects a new enhanced Content Based Medical Image Retrieval (CBMIR) based on MFCM clustering technique is...

Campbell and Phenix (2009) observed retrieval-induced forgetting (slower response time) for simple addition facts (e.g., 3 + 4) immediately following 40 retrieval-practice blocks of their multiplication counterparts (3 × 4 = ?). A subsequent single retrieval of the previously unpracticed multiplication problems, however, produced an retrieval-induced forgetting (RIF) effect about twice as large...

A structural motif is a compact 3D block of a few secondary structural elements (SSs) − each one with an average of approximately 5 and 10 residues for sheets and helices respectively − which appears in a variety of macromolecules. Several motifs pack together and form compact, semiindependent units called domains. The domain size varies from about 25 up to 500 amino acids, with an average of a...