The development of accurate machine translation systems requires detailed analyses of the recurring translation mistakes. However, the manual inspection of the decoder log files is a daunting task because of their sheer size and their uncomfortable format, in which the relevant data is widely spread. For all major platforms, DIMwid offers a graphical user interface that allows the quick inspect...

To meet the requirement of distributed video coding (DVC) in resource-limited sensor networks, Wyner-Ziv theorem-based source coding with side information only available at the decoder states that an intraframe encoder with interframe decoder system can achieve comparable coding efficiency of a conventional interframe encoder and interframe decoder system. In this paper, firstly, a block discre...

An approach to joint equalization and decoding for vector quantization over a Gaussian channel with intersymbol interference is presented. The decoder is based on a Hadamard transform representation of the vector quantizer. This gives the decoder a structure that allows the decoding to be based on estimates of the transmitted bits in an efficient manner. The decoder is soft in the sense that so...

In this paper, we study and analyze the computational complexity of a software-based H.264/AVC baseline profile decoder. Our analysis is based on determining the number of basic computational operations required by a decoder to perform the key decoding subfunctions. The frequency of use of each of the required decoding subfunctions is empirically derived using bitstreams generated from two diff...

This paper tackles the reduction of redundant repeating generation that is often observed in RNN-based encoder-decoder models. Our basic idea is to jointly estimate the upper-bound frequency of each target vocabulary in the encoder and control the output words based on the estimation in the decoder. Our method shows significant improvement over a strong RNN-based encoder-decoder baseline and ac...

The use of block codes is a well known error-control technique for reliable transmission of digital information over noisy communication channels. However, a practically implementable softinput soft-output (SISO) decoding algorithm for block codes is still a challenging problem. This thesis examines a new decoding scheme based on the soft-output Viterbi algorithm (SOVA) applied to a sectionaliz...