Heidi Christensen

Integrating pitch and localisation cues at a speech fragment level (2008)

Heidi Christensen, Ning Ma, Stuart N. Wrigley, Jon Barker

This paper proposes a novel speech-fragment based approach for processing binaural data to improve the estimation of speech source locations in reverberant, multi-speaker recordings. The technique...

Introducing Phonetically Motivated Information into ASR (2008)

Heidi Christensen, Børge Lindberg, Ove Andersen

In this paper we present an approach to introducing more phonetically motivated information into automatic speech recognition in the form of a phonetic ‘expert’. To avoid the curse of...

A Cascaded Broadcast News Highlighter (2008)

Heidi Christensen, Yoshihiko Gotoh, Steve Renals

Abstract — This paper presents a fully automatic news skimming system which takes a broadcast news audio stream and provides the user with the segmented, structured and highlighted transcript. This...

A Cascaded Broadcast News Highlighter (2008)

Heidi Christensen, Yoshihiko Gotoh, Steve Renals

Abstract — This paper presents a fully automatic news skimming system which takes a broadcast news audio stream and provides the user with the segmented, structured and highlighted transcript. This...

The CAVA corpus: synchronised stereoscopic and binaural datasets with head movements (2008)

Arnaud, Elise, Christensen, Heidi, Lu, Yan-Chen, Barker, Jon, Khalidov, Vasil, Hansard, Miles, ...

This paper describes the acquisition and content of a new multi-modal database. Some tools for making use of the data streams are also presented. The Computational Audio- Visual Analysis (CAVA)...

The CAVA corpus: synchronised stereoscopic and binaural datasets with head movements (2008)

Arnaud, Elise, Christensen, Heidi, Lu, Yan-Chen, Barker, Jon, Khalidov, Vasil, Hansard, Miles, ...

This paper describes the acquisition and content of a new multi-modal database. Some tools for making use of the data streams are also presented. The Computational Audio- Visual Analysis (CAVA)...

Active binaural distance estimation for dynamic sources," Interspeech (2007)

Yan-chen Lu, Martin Cooke, Heidi Christensen

A method for estimating sound source distance in dynamic auditory „scenes ‟ using binaural data is presented. The technique requires little prior knowledge of the acoustic environment. It...

Maximum entropy segmentation of broadcast news (2005)

Christensen, Heidi, Kolluru, BalaKrishna, Gotoh, Yoshihiko, Renals, Steve

This paper presents an automatic system for structuring and preparing a news broadcast for applications such as speech summarization, browsing, archiving and information retrieval. This process...

Maximum entropy segmentation of broadcast news (2005)

Christensen, Heidi, Kolluru, BalaKrishna, Gotoh, Yoshihiko, Renals, Steve

This paper presents an automatic system for structuring and preparing a news broadcast for applications such as speech summarization, browsing, archiving and information retrieval. This process...

Multi-stage compaction approach to broadcast news summarisation (2005)

Balakrishna Kolluru, Heidi Christensen, Yoshihiko Gotoh

This paper presents a fully automatic, multi-stage compaction approach to broadcast news summarisation, targeting transcripts from automatic speech recognition (ASR) systems. It employs a network of...

Maximum Entropy Segmentation of Broadcast News (2005)

Heidi Christensen, Balakrishna Kolluru, Yoshihiko Gotoh, Steve Renals

This paper presents an automatic system for structuring and preparing a news broadcast for applications such as speech summarization, browsing, archiving and information retrieval. This process...

Maximum entropy segmentation of broadcast news (2005)

Heidi Christensen, Balakrishna Kolluru, Yoshihiko Gotoh, Steve Renals

This paper presents an automatic system for structuring and preparing a news broadcast for applications such as speech summarization, browsing, archiving and information retrieval. This process...

From text summarisation to style-specific summarisation for broadcast news (2004)

Christensen, Heidi, Kolluru, BalaKrishna, Gotoh, Yoshihiko, Renals, Steve

In this paper we report on a series of experiments investigating the path from text summarisation to style-specific summarisation of spoken news stories. We show that the portability of traditional...

From text summarisation to style-specific summarisation for broadcast news (2004)

Christensen, Heidi, Kolluru, BalaKrishna, Gotoh, Yoshihiko, Renals, Steve

In this paper we report on a series of experiments investigating the path from text summarisation to style-specific summarisation of spoken news stories. We show that the portability of traditional...

Decremental Feature-based Compaction (2004)

Balakrishna Kolluru, Heidi Christensen, Yoshihiko Gotoh

In this paper we present the results of repeated feature-based compaction applied as a part of DUC 2004 task 1 – 75-byte short summary, on a set of printed news stories. We report the performance...

From Text Summarisation to Style-Specific Summarisation for Broadcast News (2004)

Heidi Christensen, Balakrishna Kolluru, Yoshihiko Gotoh, Steve Renals

In this paper we report on a series of experiments investigating the path from text summarisation to style-specific summarisation of spoken news stories. We show that the portability of traditional...

Are extractive text summarisation techniques portable to broadcast news? (2003)

Christensen, Heidi, Gotoh, Yoshihiko, Kolluru, BalaKrishna, Renals, Steve

In this paper we report on a series of experiments which compare the effect of individual features on both text and speech summarisation, the effect of basing the speech summaries on automatic speech...

Exploring the style-technique interaction in extractive summarization of broadcast news. (2003)

Kolluru, BalaKrishna, Christensen, Heidi, Gotoh, Yoshihiko, Renals, Steve

In this paper we seek to explore the interaction between the style of a broadcast news story and its summarization technique. We report the performance of three different summarization techniques on...

Are extractive text summarisation techniques portable to broadcast news? (2003)

Christensen, Heidi, Gotoh, Yoshihiko, Kolluru, BalaKrishna, Renals, Steve

In this paper we report on a series of experiments which compare the effect of individual features on both text and speech summarisation, the effect of basing the speech summaries on automatic speech...

Exploring the style-technique interaction in extractive summarization of broadcast news. (2003)

Kolluru, BalaKrishna, Christensen, Heidi, Gotoh, Yoshihiko, Renals, Steve

In this paper we seek to explore the interaction between the style of a broadcast news story and its summarization technique. We report the performance of three different summarization techniques on...

Are extractive text summarisation techniques portable to broadcast news (2003)

Heidi Christensen, Yoshihiko Gotoh, Balakrishna Kolluru, Steve Renals

In this paper we report on a series of experiments which compare the effect of individual features on both text and speech summarisation, the effect of basing the speech summaries on automatic speech...

Exploring the styletechnique interaction in extractive summarization of broadcast news (2003)

Balakrishna Kolluru, Heidi Christensen, Yoshihiko Gotoh, Steve Renals

In this paper we seek to explore the interaction between the style of a broadcast news story and its summarization technique. We report the performance of three different summarization techniques on...

Are Extractive Text Summarisation Techniques Portable to Broadcast News? (2003)

Heidi Christensen, Yoshihiko Gotoh, Balakrishna Kolluru, Steve Renals

In this paper we report on a series of experiments which compare the effect of individual features on both text and speech summarisation, the effect of basing the speech summaries on automatic speech...

Exploring the Style-Technique Interaction in Extractive Summarization of Broadcast News (2003)

Balakrishna Kolluru, Heidi Christensen, Yoshihiko Gotoh, Steve Renals

In this paper we seek to explore the interaction between the style of a broadcast news story and its summarization technique. We report the performance of three different summarization techniques on...

Exploring the styletechnique interaction in extractive summarization of broadcast news (2003)

Balakrishna Kolluru, Heidi Christensen, Yoshihiko Gotoh, Steve Renals

In this paper we seek to explore the interaction between the style of a broadcast news story and its summarization technique. We report the performance of three different summarization techniques on...

Are extractive text summarisation techniques portable to broadcast news (2003)

Heidi Christensen, Yoshihiko Gotoh, Balakrishna Kolluru, Steve Renals

In this paper we report on a series of experiments which compare the effect of individual features on both text and speech summarisation, the effect of basing the speech summaries on automatic speech...

Punctuation annotation using statistical prosody models. (2001)

Christensen, Heidi, Gotoh, Yoshihiko, Renals, Steve

This paper is about the development of statistical models of prosodic features to generate linguistic meta-data for spoken language. In particular, we are concerned with automatically punctuating the...

Punctuation annotation using statistical prosody models. (2001)

Christensen, Heidi, Gotoh, Yoshihiko, Renals, Steve

This paper is about the development of statistical models of prosodic features to generate linguistic meta-data for spoken language. In particular, we are concerned with automatically punctuating the...

Punctuation annotation using statistical prosody models (2001)

Heidi Christensen, Yoshihiko Gotoh, Steve Renals

This paper is about the development of statistical models of prosodic features to generate linguistic meta-data for spoken language. In particular, we are concerned with automatically punctuating the...

Punctuation annotation using statistical prosody models (2001)

Heidi Christensen, Yoshihiko Gotoh, Steve Renals

This paper is about the development of statistical models of prosodic features to generate linguistic meta-data for spoken language. In particular, we are concerned with automatically punctuating the...

Punctuation annotation using statistical prosody models (2001)

Heidi Christensen, Yoshihiko Gotoh, Steve Renals

This paper is about the development of statistical models of prosodic features to generate linguistic meta-data for spoken language. In particular, we are concerned with automatically punctuating the...

Speaker Adaptation of Hidden Markov Models using Maximum Likelihood Linear Regression. (1996)

Heidi Christensen, Ove Andersen

The work presented in this report focuses on an essential problem when doing speaker adaptation; namely how effectively the speaker specific information in the adaptation data is used. In the project...

Aggression in abused children /--by Heidi Christensen. (1984)

Christensen, Heidi.

Thesis (M.A. in psychology)--University of Illinois at Chicago, 1984.