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– In recent years, research and presentation of cultural heritage have an important ally: technology. The " Ark of Refugee Heirloom " is a project of high cultural importance, since it aims at the recording and documentation of unknown heirlooms, kept mainly in private collections. The objective is the classification and publication of primary data, in(More)
In this paper we present the behavior of JPEG2000 coding scheme over noisy or congested communication channels and highlight the cost analysis aspect. Two error schemes are considered including bit errors and packet dropping effects. Two bit error methods are used, consisting of flipping or dropping the bits, and various packet sizes are put to the test of(More)
In this paper, we examine the behavior of the JPEG2000 coding scheme over noisy or congested communication channels and highlight a cost policy aspect. Two error schemes are considered, involving bit errors (noisy channel) and packet-dropping (congested channel) effects. Two bit error methods are used, consisting of flipping or eliminating the bits, and(More)
Recent developments in three-dimensional technologies and measurement instrumentation combined with multimedia databases offer today new possibilities for the integrated and complete description of Cultural Heritage Objects (CHO). In this work, we present an attempt to develop a database for archaeological ceramic and glass artifacts, where in addition to(More)
The advent of new technologies and their applications revolutionized the way information is stored, archived, retrieved and presented. Recent developments in 3D technologies and measurement instrumentation, combined with multimedia databases offer today new possibilities for the integrated and complete description of Cultural Heritage objects. A first(More)
Vector quantization (VQ) has been used extensively in the past for image compression. The quantized image can be further compressed via a standard entropy coder (such as the arithmetic coder). In this paper, we present a simple equivalent to VQ, where unsupervised neural nets (NN) are used to find the appropriate codevectors. Furthermore, by imposing(More)
Recent developments in 3D technologies and measurement instrumentation combined with multimedia databases offer today new possibilities for the integrated and complete description of Cultural Heritage objects. A first attempt is made to develop a database for archaeological ceramic and glass artifacts where in addition to the digitized 2D and 3D images,(More)
In this paper, we present a multi-segment image coding scheme suitable for lossless progressive transmission over noisy or congested networks. The method is a block-wise forward-adaptive context selection technique that employs a low-complexity classification process to separate an image into multiple segments according to local statistics, so that(More)
In this paper, we present a multi-segment coding scheme applicable to the compression of residual images for lossless progressive transmission over noisy or congested telecommunication networks. The technique assumes that at a previous stage an encoder and a decoder produced the residual image from a gray-level original and its encoded lossy counterpart. We(More)
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