Hwa-Sung Kim

Publications43
h-index7
Citations273
Highly Influential Citations17
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Factors affecting the burden on caregivers of stroke survivors in South Korea.
OBJECTIVE To elucidate the factors related to the caregiver burden in stroke survivors in Seoul, Korea. DESIGN Cross-sectional study. SETTING Outpatient clinic of a university hospital in Korea.… Expand
  • 131
  • 11
The problems in digital watermarking into intra-frames of H.264/AVC
TLDR
This paper intend to show the affect of the intra-prediction on the typical digital water marking method and the fact that the watermarking method has very low effectiveness when it is performed for intra-frames of H.264. Expand
  • 27
  • 1
Acute health effects of accidental chlorine gas exposure
ObjectivesThis study was conducted to report the course of an accidental release of chlorine gas that occurred in a factory in Gumi-si, South Korea, on March 5, 2013. We describe the analysis results… Expand
  • 16
  • 1
Ontology modeling for REST Open APIs and web service mash-up method
TLDR
We propose an automatic web service composition method, which makes it possible for general web service users to generate their own new mash-up web service automatically on their own comfort and purpose. Expand
  • 13
  • 1
Pricing credit spread options under a Markov chain model with stochastic default rate
This paper studies a Markov chain model that, unlike the existing models, has a stochastic default rate model so as to reflect real world phenomena. We extend the existing Markov chain models as… Expand
  • 2
  • 1
Ontology based location reasoning method using smart phone data
TLDR
In this paper, we construct the location reasoning ontology using the smart phone sensors, user's application execution logs and keyword search logs, we also proposed a location reasoning method based on the constructed ontology. Expand
  • 3
  • 1
Pricing basket and Asian options under the jump‐diffusion process
This study derives approximate valuation formulas for basket options and Asian options under the jump‐diffusion process. To obtain an approximation for options prices under the jump‐diffusion… Expand
  • 4
  • 1
Analysis of process margin in EUV mask repair with nano-machining
Reduced design rules demand higher sensitivity of inspection, and thus small defects which did not affect printability before require repair now. The trend is expected to be similar in extreme… Expand
  • 9
Ontology-based open API composition method for automatic mash-up service generation
  • S. Kim, Hwa-Sung Kim
  • Computer Science
  • International Conference on Information…
  • 13 January 2016
TLDR
We propose an ontology-based Open API composition method that can easily generate the mash-up services requested by users, based on ontology that can support semantic characteristics. Expand
  • 7
Stitching reliability for estimating camera focal length in panoramic image mosaicing
TLDR
This paper proposes a measurable criterion called "stitching reliability" which reflects the stitching quality of panoramic mosaics based on 3D camera rotation. Expand
  • 9
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