Dr. Chir-Weei Chang Profile

Dr. Chir-Weei Chang

Manager at Industrial Technology Research Institute

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Author

Publications (16)

Proceedings Article | 2 January 2018 Paper

Optical coherence tomography for the structural changes detection in aging skin

Chih-Ming Cheng, Yu-Fen Chang, Hung-Chih Chiang, Chir-Weei Chang

Proceedings Volume 10456, 104565B (2018) https://doi.org/10.1117/12.2282448

KEYWORDS: Skin, Optical coherence tomography, Collagen

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Proceedings Article | 21 June 2015 Paper

Miniaturized 3D microscope imaging system

Yung-Sung Lan, Chir-Weei Chang, Hsin-Yueh Sung, Yen-Chang Wang, Cheng-Yi Chang

Proceedings Volume 9528, 952814 (2015) https://doi.org/10.1117/12.2184701

KEYWORDS: Microscopes, 3D image processing, Particles, Luminescence, Glasses, 3D image reconstruction, MATLAB, Microlens array, Image quality, Zemax

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Proceedings Article | 19 October 2012 Paper

Novel approach for merit function optimization in hybrid imaging system through finite impulse response method

Chuan-Chung Chang, Yung-Lin Chen, Kuang-Vu Chen, Hsiao-Yue Tsao, Chir-Weei Chang

Proceedings Volume 8487, 84870E (2012) https://doi.org/10.1117/12.927393

KEYWORDS: Modulation transfer functions, Point spread functions, Imaging systems, Signal to noise ratio, Image restoration, Source mask optimization, Lens design, Optical transfer functions, Image processing, Fourier transforms

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Proceedings Article | 27 September 2011 Paper

Manufacturing process optimization of phase plates for depth extension microscopy systems

Chih-Cheng Hsu, Hsin-Yueh Sung, Yung-Lin Chen, Chuan-Chung Chang, Chir-Weei Chang, Wen-Hung Cheng, Chin-Tsia Liang

Proceedings Volume 8126, 81261A (2011) https://doi.org/10.1117/12.892464

KEYWORDS: Microscopes, Image filtering, Manufacturing, Objectives, Imaging systems, Digital signal processing, Optics manufacturing, Digital filtering, Microscopy, Single point diamond turning

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Proceedings Article | 24 January 2011 Paper

Fidelity tolerance analysis for computational imaging system

Chuan-Chung Chang, Yung-Lin Chen, Kuang-Vu Chen, Hsiao-Yue Tsao, Hsin-Yueh Sung, Chir-Weei Chang, Po-Chang Chen, Horng Chang

Proceedings Volume 7876, 78760R (2011) https://doi.org/10.1117/12.871054

KEYWORDS: Tolerancing, Point spread functions, Imaging systems, Image restoration, Computational imaging, Computing systems, Image filtering, Lens design, Modulation transfer functions, Optics manufacturing

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Proceedings Article | 24 January 2011 Paper

Mobile phone imaging module with extended depth of focus based on axial irradiance equalization phase coding

Hsin-Yueh Sung, Po-Chang Chen, Chuan-Chung Chang, Chir-Weei Chang, Sidney Yang, Horng Chang

Proceedings Volume 7876, 787606 (2011) https://doi.org/10.1117/12.872260

KEYWORDS: Cell phones, Monochromatic aberrations, Modulation transfer functions, Optical filters, Image filtering, Lens design, Cameras, Optics manufacturing, Imaging systems, Image processing

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Proceedings Article | 26 August 2010 Paper

Single-shot depth camera lens design optimization based on a blur metric

Yung-Lin Chen, Chuan-Chung Chang, Ludovic Angot, Chir-Weei Chang, Chung-Hao Tien

Proceedings Volume 7787, 77870A (2010) https://doi.org/10.1117/12.860343

KEYWORDS: Point spread functions, Diffraction, Image processing, Lens design, Zemax, Cameras, Sensors, Image compression, Photography, MATLAB

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Proceedings Article | 6 May 2010 Paper

Phase coded optics for computational imaging systems

Chir-Weei Chang, Yung-Lin Chen, Chuan-Chung Chang, Po-Chang Chen

Proceedings Volume 7723, 772317 (2010) https://doi.org/10.1117/12.854104

KEYWORDS: Imaging systems, Cameras, Computational imaging, Lens design, Image restoration, Image processing, Digital imaging, Photography, Zoom lenses, Focus stacking

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Proceedings Article | 6 May 2010 Paper

Digital image restoration for phase-coded imaging systems

Chen-Yu Tseng, Sheng-Jyh Wang, Chir-Weei Chang, Po-Chang Chen, Chuan-Chung Chang, Yi-An Chen

Proceedings Volume 7723, 77231N (2010) https://doi.org/10.1117/12.854288

KEYWORDS: Image restoration, Imaging systems, Image filtering, Point spread functions, Interference (communication), Cameras, Image processing, Lens design, Optical filters, Image quality

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Proceedings Article | 2 September 2009 Paper

Digital decoding design for phase coded imaging system

Po-Chang Chen, Chih-Hao Liu, Chir-Weei Chang, Chuan-Chung Chang, Ludovic Angot

Proceedings Volume 7443, 74431A (2009) https://doi.org/10.1117/12.825459

KEYWORDS: Imaging systems, Point spread functions, Image filtering, Image processing, Image restoration, Filtering (signal processing), Modulation transfer functions, System integration, Optical filters, Digital image processing

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Proceedings Article | 22 August 2009 Paper

Depth perception with a rotationally symmetric coded camera

Chuan-Chung Chang, Yung-Lin Chen, Chir-Weei Chang, Cheng-Chung Lee

Proceedings Volume 7429, 742905 (2009) https://doi.org/10.1117/12.824886

KEYWORDS: Point spread functions, Image restoration, Lens design, Cameras, Imaging systems, Image processing, Image sensors, Sensors, Computing systems, Wavefronts

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Proceedings Article | 11 September 2008 Paper

Using liquid lens in wavefront coded imaging system

Chir-Weei Chang, Yung-Lin Chen

Proceedings Volume 7061, 70610O (2008) https://doi.org/10.1117/12.794930

KEYWORDS: Liquids, Liquid lenses, Imaging systems, Wavefronts, Point spread functions, Cameras, Image restoration, Lens design, Image quality, Focus stacking

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Proceedings Article | 18 September 2007 Paper

A compact and cost effective design for cell phone zoom lens

Chir-Weei Chang, Ching-Chin Wu

Proceedings Volume 6667, 66670P (2007) https://doi.org/10.1117/12.736342

KEYWORDS: Zoom lenses, Cell phones, Lens design, Distortion, Cameras, Modulation transfer functions, Aspheric lenses, Glasses, Imaging systems, Optical components

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Proceedings Article | 14 September 2007 Paper

An analytical method for measuring the decentration of lens module

Chir-Weei Chang

Proceedings Volume 6671, 667116 (2007) https://doi.org/10.1117/12.730598

KEYWORDS: Modulation transfer functions, Monochromatic aberrations, Tolerancing, Assembly tolerances, Optics manufacturing, Image sensors, Error analysis, Failure analysis, Manufacturing, Testing and analysis

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Proceedings Article | 17 July 2006 Paper

Systematic design processes to improve the manufacturability of zoom lenses

Chir-Weei Chang, Chy-Lin Wang, Chuan-Chung Chang, Yi-Ling Wu, Chen-Chin Cheng, Wei-Chung Chao

Proceedings Volume 6342, 634228 (2006) https://doi.org/10.1117/12.692249

KEYWORDS: Zoom lenses, Modulation transfer functions, Optics manufacturing, Manufacturing, Design for manufacturability, Lens design, Monochromatic aberrations, Tolerancing, Failure analysis, Diffraction

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Proceedings Article | 1 February 2006 Paper

Tolerance analysis of lenses with high zoom ratio

Chir-Weei Chang, Gung-Hsuan Ho, Chy-Lin Wang, Wei-Chung Chao, John Griffith

Proceedings Volume 6034, 60341P (2006) https://doi.org/10.1117/12.668163

KEYWORDS: Tolerancing, Zoom lenses, Optics manufacturing, Assembly tolerances, Modulation transfer functions, Lenses, Manufacturing, Aspheric lenses, Optical components, Digital cameras

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Showing 5 of 16 publications

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