Prof. Jin Ho Chang Profile

Prof. Jin Ho Chang

Professor at Daegu Gyeongbuk Institute of Science & Technology

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Publications (9)

Proceedings Article | 13 March 2024 Presentation

Deep optical microscopy based on gas bubbles generated by combined ultrasound and optical energies

Jinwoo Kim, Haemin Kim, Jin Ho Chang

Proceedings Volume PC12842, PC128421J (2024) https://doi.org/10.1117/12.3002205

KEYWORDS: Bubbles, Clouds, Ultrasonography, Optical microscopy, Tissue optics, Ultrasound transducers, Optical clearing, Laser irradiation, CCD cameras, Biological imaging

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Proceedings Article | 27 March 2023 Poster

Increased laser penetration depth due to laser-induced microbubbles combined with ultrasound in scattering media

Jinwoo Kim, Haemin Kim, Jin Ho Chang

Proceedings Volume PC12379, PC1237935 (2023) https://doi.org/10.1117/12.2650300

KEYWORDS: Laser scattering, Ultrasonography, Scattering media, Scattering, Light scattering, Tissues, Confocal microscopy, Transmittance, Tissue optics, Photoacoustic microscopy

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Proceedings Article | 27 March 2023 Poster

Evaluation of light beam distribution according to concentration of ultrasound-induced gas bubbles

Haemin Kim, Jinwoo Kim, Jin Ho Chang

Proceedings Volume PC12379, PC1237925 (2023) https://doi.org/10.1117/12.2651064

KEYWORDS: Signal detection, Clouds, Tissue optics, Monte Carlo methods, Luminescence, Light scattering, Ultrasonography, Tissues, Spatial resolution, Signal generators

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Proceedings Article | 27 February 2019 Paper

A method of further increasing treatment depth in dual thermal therapy

Gyuwon Jo, Haemin Kim, Jin Ho Chang

Proceedings Volume 10878, 108786F (2019) https://doi.org/10.1117/12.2509639

KEYWORDS: Ultrasonography, Transducers, Tissue optics, Tissues, Scattering, Laser therapeutics, Light scattering, Chromophores, Absorption

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Proceedings Article | 29 March 2013 Paper

Real-time sound speed correction using golden section search to enhance ultrasound imaging quality

Chong Ook Yoon, Changhan Yoon, Yangmo Yoo, Tai-Kyong Song, Jin Ho Chang

Proceedings Volume 8675, 86751L (2013) https://doi.org/10.1117/12.2007195

KEYWORDS: Ultrasonography, Image quality, Tissues, Image resolution, Spatial resolution, Anisotropic diffusion, In vitro testing, Diffusion, Breast, Medical imaging

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Proceedings Article | 29 March 2013 Paper

A new high definition zoom method based on compounded direct pixel beamforming for medical ultrasound imaging: preliminary results

Sungsoo Yoon, Jongpil Lee, Jin Ho Chang, Tai-Kyong Song, Yangmo Yoo

Proceedings Volume 8675, 86751H (2013) https://doi.org/10.1117/12.2003452

KEYWORDS: Zoom lenses, Ultrasonography, Data conversion, Image transmission, In vivo imaging, Image quality, Transducers, Demodulation, Neodymium, Imaging systems

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Proceedings Article | 25 February 2012 Paper

Evaluation of a fractional filter-based receive beamforming method for low-cost ultrasound color Doppler imaging

Hana Yang, Jeeun Kang, Jin Ho Chang, Yangmo Yoo

Proceedings Volume 8320, 83201B (2012) https://doi.org/10.1117/12.912340

KEYWORDS: Ultrasonography, Doppler effect, Color imaging, Image filtering, Optical filters, Nonlinear filtering, Imaging systems, Distortion, Signal to noise ratio, Doppler tomography

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Proceedings Article | 23 February 2012 Paper

New adaptive beamforming with spatially-smoothed coherence factor: simulation and ex vivo experiment results

Jeeun Kang, Jin Ho Chang, Yangmo Yoo, Tai-Kyong Song

Proceedings Volume 8223, 82232X (2012) https://doi.org/10.1117/12.907716

KEYWORDS: Spatial resolution, Ultrasonography, Photoacoustic imaging, Photoacoustic spectroscopy, Breast, Computer simulations, Coherence (optics), Image quality, Signal to noise ratio, Optical parametric oscillators

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Proceedings Article | 26 March 2011 Paper

A new direct pixel-based focusing method for medical ultrasound imaging: preliminary results

YuHwa Lee, Chunsheng Piao, TaeWan Kim, Jin Ho Chang, Tai-Kyong Song, Yangmo Yoo

Proceedings Volume 7968, 796814 (2011) https://doi.org/10.1117/12.878958

KEYWORDS: Ultrasonography, Data conversion, Data acquisition, Raster graphics, Tissues, Medical imaging, Imaging systems, Signal processing, Transducers, Chemical elements

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Showing 5 of 9 publications

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