지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.10
- 수록면
- 514 - 523 (10page)
이용수
초록· 키워드
오류제보하기
Methods for absolute depth estimation have received lots of interest, and most algorithms are concerned about how to minimize the difference between an input defocused image and an estimated defocused image. These approaches may increase the complexity of the algorithms to calculate the defocused image from the estimation of the focused image. In this paper, we present a new method to recover depth of scene based on a sharpness-assessment algorithm. The proposed algorithm estimates the depth of scene by calculating the sharpness of deconvolved images with a specific point-spread function (PSF). While most depth estimation studies evaluate depth of the scene only behind a focal plane, the proposed method evaluates a broad depth range both nearer and farther than the focal plane. This is accomplished using an asymmetric aperture, so the PSF at a position nearer than the focal plane is different from that at a position farther than the focal plane. From the image taken with a focal plane of 160 cm, the depth of object over the broad range from 60 to 350 cm is estimated at 10 cm resolution. With an asymmetric aperture, we demonstrate the feasibility of the sharpness-assessment algorithm to recover absolute depth of scene from a single defocused image.
목차
Ⅰ. INTRODUCTION
Ⅱ. MODELING FOR A CAMERA WITH AN ASYMMETRIC APERTURE
Ⅲ. ABSOLUTE DEPTH ESTIMATION BASED ON THE SHARPNESS-ASSESSMENT ALGORITHM
Ⅳ. EXPERIMENTAL RESULTS
Ⅴ. CONCLUSION
REFERENCES
참고문헌 (16)
참고문헌 신청
J. H. Elder / 1998 / Local scale control for edge detection and blur estimation / IEEE Trans. Pattern Anal. Mach. Intell 20:699~716
M. Subbarao / 1995 / Focused image recovery from two defocused images recorded with different camera settings / IEEE Trans. Image Process 4:1613~1628
C. Swain / 1995 / Defocus-based image segmentation / Proc. International Conference on Acoustics, Speech, and Signal Processing-ICASSP :2403~2406
M. Subbarao / 1994 / Depth from defocus: a spatial domain approach / Int. J. Comput. Vis 13:271~294
Z. Djemel / 2001 / Depth from defocus estimation in spatial domain / Comput. Vis. Image Underst 81:143~165
M. Subbarao / 1995 / Focused image recovery from two defocused images recorded with different camera settings / IEEE Trans. Image Process 4:1613~1628
C. Swain / 1995 / Defocus-based image segmentation / Proc. International Conference on Acoustics, Speech, and Signal Processing-ICASSP :2403~2406
M. Subbarao / 1994 / Depth from defocus: a spatial domain approach / Int. J. Comput. Vis 13:271~294
Z. Djemel / 2001 / Depth from defocus estimation in spatial domain / Comput. Vis. Image Underst 81:143~165
함께 읽어보면 좋을 논문
논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!
-
Deep Learning-based Depth Map Estimation: A Review
대한원격탐사학회지
2023 .02
-
Fast Sub-aperture Stitching Algorithm Using Partial Derivatives
Current Optics and Photonics
2015 .02
-
MULTI-APERTURE IMAGE PROCESSING USING DEEP LEARNING
JOURNAL OF THE KOREAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
2023 .03
-
Analysis of Laser-protection Performance of Asymmetric-phase-mask Wavefront-coding Imaging Systems
Current Optics and Photonics
2023 .02
-
Aircraft Motion Identification Using Sub-Aperture SAR Image Analysis and Deep Learning
대한원격탐사학회지
2024 .04
-
Autofocus Tracking System Based on Digital Holographic Microscopy and Electrically Tunable Lens
Current Optics and Photonics
2019 .02
-
Terahertz Nondestructive Time-of-flight Imaging with a Large Depth Range
Current Optics and Photonics
2022 .12
-
Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System
Current Optics and Photonics
2022 .04
-
Design of an Asymmetric-custom-surface Imaging Optical System for Two-dimensional Temperature-field Measurement
Current Optics and Photonics
2024 .10
-
Effect of Partial Spatial Coherence on Image Sharpness
새물리
2019 .12
-
A Simple Method for Determining Focal Distances Using Talbot Self-Images
Current Optics and Photonics
2015 .12
-
Parameterized Modeling of Spatially Varying PSF for Lens Aberration and Defocus
Current Optics and Photonics
2015 .04
-
Numerical Study of a Novel Bi-focal Metallic Fresnel Zone Plate Having Shallow Depth-of-field Characteristics
Current Optics and Photonics
2018 .04
-
A study on the dependence of focal depth of the 2017 Pohang earthquake on crustal velocity models using moment tensor inversion
지질학회지
2019 .12
-
Depth-Based rank test for multivariate two-sample scale problem
CSAM(Communications for Statistical Applications and Methods)
2023 .05
-
Image Reconstruction Method for Photonic Integrated Interferometric Imaging Based on Deep Learning
Current Optics and Photonics
2024 .08
-
Experimental Study of Spacecraft Pose Estimation Algorithm Using Vision-based Sensor
Journal of Astronomy and Space Sciences
2018 .12
-
Simultaneous Estimation of Spatial Frequency and Phase Based on an Improved Component Cross-Correlation Algorithm for Structured Illumination Microscopy
Current Optics and Photonics
2020 .08
-
Depth-fused-type Three-dimensional Near-eye Display Using a Birefringent Lens Set
Current Optics and Photonics
2020 .12
-
Optimization of Wavefront Coding Phase Mask Applied to 5X-40X Micro-Objectives Simultaneously
Current Optics and Photonics
2015 .10
이 논문의 저자 정보
최근 본 자료
댓글(0)
0