I. Ahn

Most-cited papers

1. Motion-compensated PET image reconstruction with respiratory-matched attenuation correction using two low-dose inhale and exhale CT images

   W. H. Nam, I. Ahn, Kyeong-Min Kim, Byung Il Kim +1 more

   2013Physics in Medicine and Biology17 citations

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2. An Effective Post-Filtering Framework for 3-D PET Image Denoising Based on Noise and Sensitivity Characteristics

   Jihye Kim, I. Ahn, W. H. Nam, J. Ra

   2015IEEE Transactions on Nuclear Science15 citations

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3. Super-Resolution Reconstruction of 3D PET Images Using Two Respiratory-Phase Low-Dose CT Images

   I. Ahn, Jihye Kim, Yongjin Chang, W. H. Nam +1 more

   2017IEEE Transactions on Radiation and Plasma Medical Sciences10 citations

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4. Texture Enhancement via High-Resolution Style Transfer for Single-Image Super-Resolution

   I. Ahn, W. H. Nam

   2016Photography, Mobile, and Immersive Imaging5 citations Open access

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5. LOR-Based Reconstruction for Super-Resolved 3D PET Image on GPU

   I. Ahn, Jihye Kim, Yongjin Chang, K. Jeong +1 more

   2015IEEE Transactions on Nuclear Science5 citations

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6. Post-filtering of PET image based on noise characteristic and spatial sensitivity distribution

   Jihye Kim, I. Ahn, W. H. Nam, Yongjin Chang +1 more

   2013Nuclear Science Symposium and Medical Imaging Conference4 citations

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7. GPU-based fast projection-backprojection algorithm for 3-D PET image reconstruction

   I. Ahn, K. Jeong, W. H. Nam, Jihye Kim +1 more

   2011IEEE Nuclear Science Symposium Conference Record4 citations

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8. Design of Omok AI using Genetic Algorithm and Game Trees and Their Parallel Processing on the GPU

   I. Ahn, Inkyu Park

   20102 citations

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9. LOR-based reconstruction for super-resolved 3D PET image

   I. Ahn, Jihye Kim, W. H. Nam, Yongjin Chang +1 more

   2013Nuclear Science Symposium and Medical Imaging Conference1 citations

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10. Phased attenuation correction and respiratory motion compensation of pet image by using a ct images and multiple respiratory-phase mr images

    W. H. Nam, Duhgoon Lee, I. Ahn, K. Jeong +2 more

    2011IEEE Nuclear Science Symposium Conference Record1 citations

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11. Super-resolved PET image reconstruction with phase-matched attenuation correction using two respiratory-phase low-dose CT images

    I. Ahn, Jihye Kim, Yongjin Chang, J. Ra

    20140 citations

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12. Detector alignment error estimation and correction for a convertible PET

    Yongjin Chang, Jihye Kim, I. Ahn, Y. Son +2 more

    20140 citations

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13. Motion compensated 4D PET-CT-MR image generation for respiratory synchronized multi-modal image display

    W. H. Nam, Jihye Kim, I. Ahn, Yongjin Chang +1 more

    2013Nuclear Science Symposium and Medical Imaging Conference0 citations

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14. Block matching based denoising framework considering the noise characteristics in reconstructed PET images

    Jihye Kim, W. H. Nam, Kyuha Choi, I. Ahn +1 more

    2013IEEE International Symposium on Biomedical Imaging0 citations

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15. Fast cone-beam-based LOR reconstruction for 3-D PET

    I. Ahn, K. Jeong, Woo Ryun Nam, J. H. Kim +1 more

    2012Nuclear Science Symposium and Medical Imaging Conference0 citations

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16. Image-based super-resolution using real PET data

    K. Jeong, Jihye Kim, W. H. Nam, I. Ahn +2 more

    20120 citations

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17. PET image reconstruction based on several respiratory-phase low-dose CT images

    Woo Ryun Nam, I. Ahn, J. H. Kim, K. Jeong +3 more

    2012Nuclear Science Symposium and Medical Imaging Conference0 citations

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18. Super-resolution in PET images using space variant kernels

    Jihye Kim, K. Jeong, W. H. Nam, I. Ahn +1 more

    20110 citations

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19. Sinogram super-resolution based on system response function of PET scanner

    K. Jeong, W. H. Nam, Jihye Kim, I. Ahn +1 more

    20110 citations

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