Jeong-Kwon Kim

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In this paper, we propose a novel post-processing techinque to reduce blocking artifacts for block-based image coding schemes. Our approach focuses mainly on the reconstruction of the surface continuity, including the continuity of edges and textures in the image objects. To do this, we introduce a set of continuous functions suitable for characterizing(More)
Ectopic sebaceous glands in the esophagus have rarely been reported and, thus, represent an obscure medical condition. The aim of this study is to identify the prevalence rate and clinical characteristics of this lesion in an asymptomatic population. We prospectively enrolled health screen examinees who underwent esophagogastroduodenoscopy for gastric(More)
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