Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Hernsoo Hahn"'
Publikováno v:
International Journal of Advanced Robotic Systems, Vol 10 (2013)
The guidance system proposed in this paper aims to complement the white cane by monitoring road conditions in a medium range for blind pedestrians in real time. The system prototype employs only one webcam fixed at the waist of user. One of the main
Externí odkaz:
https://doaj.org/article/6955f7abbef442e7a7f4f2e5fd7f9675
Publikováno v:
Multimedia Tools and Applications. 80:34121-34135
Minutiae used in most fingerprint recognition devices is robust to presentation attack, but generates a high false match rate. Thus, it is applied along with orientation map or skeleton images. There has been plenty of research on security vulnerabil
Publikováno v:
Journal of the Institute of Electronics and Information Engineers. 55:55-64
Autor:
Dongjin Han, Hernsoo Hahn
Publikováno v:
Pattern Recognition. 47:296-312
This paper proposes a new method for estimating the symmetric axis of a pottery from its small fragment using surface geometry. Also, it provides a scheme for grouping such fragments into shape categories using distribution of surface curvature. For
Autor:
Hernsoo Hahn, Youngjun Han
Publikováno v:
Journal of the Korea Society of Computer and Information. 17:155-166
This paper proposes a new method of estimating the hand pose through the Mean-Shift tracking algorithm using the fusion of color and depth information for marker-less augmented reality. On marker-less augmented reality, the most of previous studies d
Publikováno v:
Journal of the Korea Society of Computer and Information. 17:71-80
This paper proposes vehicle detection and tracking algorithm using a CCD camera. The proposed algorithm uses Haar-like wavelet edge detector to detect features of vehicle and estimates vehicle`s location using calibration information of an image. Aft
Publikováno v:
Journal of the Korea Society of Computer and Information. 16:93-102
This paper presents a walking guidance system for blind pedestrians in an outdoor environment using just one single camera. Unlike many existing travel-aid systems that rely on stereo-vision, the proposed system aims to get necessary information of t
Autor:
Hernsoo Hahn
Publikováno v:
Journal of the Korea Society of Computer and Information. 16:61-69
This paper proposes a new algorithm that improve color component of compensated image using Retinex method for back-light image. A back-light image has two regions, one of the region is too bright and the other one is too dark. If an back-light image
Publikováno v:
Journal of the Korea Society of Computer and Information. 15:37-45
This paper proposes a novel contrast enhancement method which determines the stretching ranges based on the distribution densities of segmented sub-histogram. In order to enhance the quality of image effectively, the contrast histogram is segmented i
Publikováno v:
Journal of Korean Institute of Intelligent Systems. 20:748-754
깨어진 항아리 조각들을 가상 공간에서 조립하기 위하여 조각 표면을 이용한 빠른 3차원 회전축 추정 방법을 제안한다. 물체의 원형성과 표면의 국지적 평면성을 이용하여 대칭축을 찾는