A5002070034- Advanced Vision and Imaging
- Computer Graphics and Visualization Techniques
- Advanced Image Processing Techniques
- Simulation and Modeling Applications
- 3D Shape Modeling and Analysis
- Traditional Chinese Medicine Studies
- Diabetic Foot Ulcer Assessment and Management
- AI and Big Data Applications
- Video Coding and Compression Technologies
- Image Processing Techniques and Applications
Electronics and Telecommunications Research Institute
2009-2024
We present a cache-oblivious ray reordering method for tracing. Many global illumination methods such as path tracing and photon mapping use generate lots of rays to simulate various realistic visual effects. However, these tend be very incoherent show lower cache utilizations during models. In order address this problem improve the coherence, we propose novel Hit Point Heuristic (HPH) compute coherent ordering rays. The HPH uses hit points between scene measure. reorder by using...
당뇨성 족부궤양 질환의 자동 진단을 위해 딥러닝 전이학습을 이용한 질환 분류 모델을 개발하였다. 본 연구에서는 족부궤양의 공개된 이미지 데이터셋(DFU challenge 2021)을 활용하여 족부궤양을 정상과 질환을 분류할 수 있는 모델과 감염 및 허혈, 복합성 궤양 기타 궤양과 자동화된 의료 진단 구현하였다. 이를 6가지 심층 신경망 사용하여 학습하였고 모델의 정확도, 민감도, 정밀도, f1-score 성능을 모델별로 비교 평가하여 분류에 적합한 성능의 제시하였다. 개선하기 데이터 증강 불균형 처리를 활용하였고, 그 중 EfficientNetB3 데이터에 대해 정확도 89%, 민감도 89%를 달성하였다.
This paper presents new hole-filling methods for generating multiview images by using depth image based rendering (DIBR). Holes appear in a captured from 3D sensors and the rendered DIBR. The holes are often found around background regions of because is prone to occlusions foreground objects. Background-oriented priority gradient-oriented also introduced find order after DIBR process. In addition, obtain sample fill hole region, we propose fusing color information weighted sum two patches...
Abstract When reconstructing extensive terrain, it is essential to partition into smaller tiles for individual processing. This paper introduces a texture reconstruction approach that ensures seamless and consistent final outputs, even when processed tile by tile. Among the stages of multi‐view image‐based reconstruction, presents significant challenges during tile‐based Relying solely on local tile‐level data complicates achieving precise mapping. The absence occlusion details between can...
Depth-image-based rendering is generally used in real-time 2D-to-3D conversion for 3DTV. However, inaccurate depth maps cause flickering issues between image frames a video sequence, resulting eye fatigue while viewing To resolve this issue, we propose new scheme based on fast and robust depth-map generation from 2D sequence. The proposed algorithm divides an input sequence into several cuts using color histogram. initial of each cut assigned hypothesized depth-gradient model. map the...
2D to 3D conversion technologies had been researching with developing of display. Existing movies can be converted stereoscopic easily low cost using technology. Depth image-based rendering (DIBR) technique is applied generating a new viewpoint image. After converting there are holes the view point. Filling in these determined total quality stereo movie. There several methods fill out holes. [Criminisi 2004] proposed exemplar-based inpainting which copies texture highest priority. This...