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A novel approach to extract the depth data of 3D objects in space by using the computational integral imaging reconstruction (CIIR) technique is proposed. With elemental images of 3D objects captured by the CCD camera through a pinhole array, depth-dependent object images can be reconstructed on the output plane by the CIIR technique. Only the images reconstructed on the output planes where 3D objects were located are clearly focused; so the depth data of 3D objects in space can be extracted by discriminating these focused output images from the others by using an image separation technique. A feasibility test of the proposed CIIR-based depth extraction method is carried out, and its results are discussed as well.

Epidermolysis bullosa acquisita (EBA) is rarely reported in childhood, but we now describe a 6-year-old Korean girl with the condition. She presented with multiple tense bullae annularly distributed on the perioral, periorbital and genital areas, and was successfully treated with dapsone. The clinical and histological features were similar to those of chronic bullous dermatosis of childhood. We review seven previously reported childhood EBA cases and contrast their features with those of adult EBA. We suggest that some childhood EBA is different from the adult form and shares features with chronic bullous dermatosis of childhood.

In light of previous research on spine, bone and obesity, the study results seem to suggest that severely obese individuals are likely at an increased risk of lifting-related low back pain compared with normal weight individuals.