http://ee.sharif.edu/~miap/Files/A%20Survey%20of%20Medical%20Image%20Registration.pdf

A survey of medical image registration.

Digital watermarking is a key ingredient to copyright protection. It provides a solution to illegal copying of digital material and has many other useful applications such as broadcast monitoring and the recording of electronic transactions. Now, for the first time, there is a book that focuses exclusively on this exciting technology. Digital Watermarking covers the crucial research findings in the field: it explains the principles underlying digital watermarking technologies, describes the requirements that have given rise to them, and discusses the diverse ends to which these technologies are being applied. As a result, additional groundwork is laid for future developments in this field, helping the reader understand and anticipate new approaches and applications.

Digital Watermarking

A system for utilizing metadata created either at a central location for shared use by connected users, or at each individual user's location, to enhance user's enjoyment of available broadcast programming content. A variety of mechanisms are employed for automatically and manually identifying and designating programming segments, associating descriptive metadata which the identified segments, distributing the metadata for use at client locations, and using the supplied metadata to selectively record and playback desired programming.

Audio and video program recording, editing and playback systems using metadata

Cell phones and other portable devices are equipped with a variety of technologies by which existing functionality can be improved, and new functionality can be provided. Some relate to visual search capabilities, and determining appropriate actions responsive to different image inputs. Others relate to processing of image data. Still others concern metadata generation, processing, and representation. Yet others relate to coping with fixed focus limitations of cell phone cameras, e.g., in reading digital watermark data. Still others concern user interface improvements. A great number of other features and arrangements are also detailed.

Methods and Systems for Content Processing

We present a novel image operator that seeks to find the value of stroke width for each image pixel, and demonstrate its use on the task of text detection in natural images. The suggested operator is local and data dependent, which makes it fast and robust enough to eliminate the need for multi-scale computation or scanning windows. Extensive testing shows that the suggested scheme outperforms the latest published algorithms. Its simplicity allows the algorithm to detect texts in many fonts and languages.

/pdf/detecting-text-in-natural-scenes-with-stroke-width-transform-1p4jkf3lrz.pdf

Detecting text in natural scenes with stroke width transform

Set-Theoretic Approach to Video Key Frame Extraction

PURPOSE: A device and method for generating an image for extracting a characteristic area are provided to generate an image which exactly extracts the background without losing a boundary part of the character by selecting and reversing the background of the character in a binary map for extracting the character CONSTITUTION: A binary map generator(200) generates a binary maps per similar color form the letter candidate image and generates a letter candidate image from an original image if an original image is inputted A background area determining unit(210) selects a binary map including background among the binary maps The characteristic area extracting unit(220) expands and reverses a background area of selected binary map to generate an image including the characteristic area

Apparatus and method for generating image for text region extraction

Most discrete cosine transform (DCT) based video coding suffers from blocking artifacts, where boundaries of 8/spl times/8 DCT blocks become visible on decoded images. The blocking artifacts become more prominent as the bit rate is lowered. In this paper, we present a new dequantization technique for DCT-based encoding to sharply reduce the blocking artifacts. Our proposed dequantization scheme, through regularization, sharply reduces blocking artifacts in decoded images. The performance the proposed algorithm is compared to that of the currently specified H.263+ Annex J deblocking filter. The comparison shows visual improvements as well as numerical improvements in terms of the peak signal-to-noise ratio (PSNR) and of a blockiness measure (BM) that is defined.

Reduction of blocking artifacts for low bit-rate video coding using regularized dequantization

PURPOSE: A system and a method for virtually editing multimedia bookmarks and video on the Internet are provided to enable any device connected to the network to conveniently generate/store/index/search/render multimedia information by using bookmark information recorded to the multimedia bookmark or contents information of a segment including a bookmark position. CONSTITUTION: A network controller(2820) controls access to the input video(2814) and a corresponding metafile(2812) stored in computers connected through the network. A file controller(2822) controls the access to the input video and the corresponding metafile transmitted through the network controller or stored in the local computer. An XML(eXtensible Markup Language) parser(2824) checks contents of the metafile provided from the file controller. A structure manager(2828) provides an editing function needed for the virtual edit to the user. An XML generator(2834) stores the edited metadata(2842) to a permanent storage by a preset format. A play list generator(2836) dynamically generates a play list for the segment using the segment data provided from the structure manager.

System and method for virtually editing multimedia bookmarks and video on internet

PROBLEM TO BE SOLVED: To provide a method for generating a tree-structured moving picture index descriptor with which a user can speedily retrieve desired moving picture information SOLUTION: The disclosed method includes the steps of: extracting a feature vector from frames of moving picture materials; performing sample extraction work using said feature vector to extract a key frame so that a node of a sample layer can be representative of nodes of a subtree with the present node as an apex; accepting and accumulating the extracted key frame by layers to generate tree-structured indexes; and using the tree-structured indexes to generate a moving picture index descriptor COPYRIGHT: (C)2007,JPO&INPIT

Method for generating tree-structured moving picture index descriptor

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