• Title/Summary/Keyword: Skin image

Search Result 696, Processing Time 0.027 seconds

Image-Based Skin Cancer Classification System Using Attention Layer (Attention layer를 활용한 이미지 기반 피부암 분류 시스템)

  • GyuWon Lee;SungHee Woo
    • Journal of Practical Engineering Education
    • /
    • v.16 no.1_spc
    • /
    • pp.59-64
    • /
    • 2024
  • As the aging population grows, the incidence of cancer is increasing. Skin cancer appears externally, but people often don't notice it or simply overlook it. As a result, if the early detection period is missed, the survival rate in the case of late stage cancer is only 7.5-11%. However, the disadvantage of diagnosing, serious skin cancer is that it requires a lot of time and money, such as a detailed examination and cell tests, rather than simple visual diagnosis. To overcome these challenges, we propose an Attention-based CNN model skin cancer classification system. If skin cancer can be detected early, it can be treated quickly, and the proposed system can greatly help the work of a specialist. To mitigate the problem of image data imbalance according to skin cancer type, this skin cancer classification model applies the Over Sampling, technique to data with a high distribution ratio, and adds a pre-learning model without an Attention layer. This model is then compared to the model without the Attention layer. We also plan to solve the data imbalance problem by strengthening data augmentation techniques for specific classes.

Face Detection Algorithm for Video Conference Camera Control (화상회의 카메라 제어를 위한 안면 검출 알고리듬)

  • 온승엽;박재현;박규식;이준희
    • Proceedings of the IEEK Conference
    • /
    • 2000.06d
    • /
    • pp.218-221
    • /
    • 2000
  • In this paper, we propose a new algorithm to detect human faces for controling a camera used in video conference. We model the distribution of skin color and set up the standard skin color in YIQ color space. An input video frame image is segmented into skin and non-skin segments by comparing the standard skin color and each pixels in the input video frame. Then, shape filler is applied to select face segments from skin segments. Our algorithm detects human faces in real time to control a camera to capture a human face with a proper size and position.

  • PDF

Development of Maya Shader Plug in Based on Subsurface Scattering for Realistic Skin Rendering (사실적인 피부 렌더링을 위해 표면하 산란 모델을 적용한 마야 쉐이더 플러그인 개발)

  • Yoo Tae Kyung;Lee Won Hyung;Jahng Sung Ghab
    • Journal of Korea Multimedia Society
    • /
    • v.8 no.1
    • /
    • pp.88-100
    • /
    • 2005
  • In computer graphics, realistic skin rendering has been regarded as difficult tasks and remains as an important research subject. Translucent materials like skin have some complicated optical properties including subsurface scattering. In this paper, we proposes a skin shader based on subsurface scattering to render realistic skin and it has been implemented as a plug-in for Maya, 3D Package. The rendered image using this proposed skin shader appears more realistic than the rendered image using classical shading techniques. Furthermore, we could model sebum, epidermis, dermis using specular reflection, multiple scattering, single scattering respectively.

  • PDF

Effects of Kami-bangpungtongseong-san Extracts on the Mouse Skin Toxicated by Mercury (가미방풍통성산(加味防風通聖散)이 수은 중독된 마우스의 피부 손상에 미치는 영향)

  • Yang, Joon-Hyoung;Hong, Seong-Ug
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
    • /
    • v.23 no.1
    • /
    • pp.1-7
    • /
    • 2010
  • Objective : Mercuric chloride is excreted in the urine and stool. Bangpungtongseong-san(BT) has been used commonly skin disease and has diuresis and excretion effect. This study is aimed to find out effects of Kami- bangpungtongseong-san(KBT) on the skin disease toxicated by mercury. Method : Experiment was conducted with No treated group(Normal group), Mercuric chloride subcutaneous injection group(Control group) and Kami-bangpungtongseong-san-treated group (Sample group). KBT Extracts were delivered orally in 7 days in sample group. We observed epithelial cell hyperplastic, angiogenesis, inflammatory cell infiltration of skin. For the charting the results, image analysis was taken. The result of image analysis was verified significance by Sigmaplot 2000(P<0.05). Result : This study shows an relieving epithelial cell hyperplastic, angiogenesis, inflammatory cell infiltration of exposure skin on mercuric chloride. Conclusion : According to the result of study, we can expect to the effect of KBT extracts' therapeutic action to tissue injuries of the mice' skin on acute mercurial toxication.

Visualization of Acupoint by Image Overlapping of Skin Current (피부전류량의 화상중첩에 의한 경혈의 시각화)

  • 이용흠;김용진;고수복;정동명
    • Proceedings of the IEEK Conference
    • /
    • 1999.06a
    • /
    • pp.563-566
    • /
    • 1999
  • The functional diagnosis instrument should be preceded first to both the accurate selection of exact acupoint and discrimination. so the measuring and stimulating method are improved to SPAC pattern to evaluate impedance existed in the body. As a result, the resistance factor between skin and probe, the dipolization of cell was reduced so that the judgement of acupoint is advanced. After extraction of optimization parameter of SPAC pattern which the high discrimination efficiency and the lowest affection on the human body is controlled by using microprocessor to enhance conviction. The discrimination efficiency was confirmed by meridian visualization system. Also mechanism of probe was improved to increase efficiency of image recognition processing. The image of discriminated acupoint with probe is obtained by using a camera, the location on the tip of probe is recognized and processed. And then these are converted to virtual color by proportional to measuring current level of scan point on skin.

  • PDF

Skin Color Based Facial Features Extraction

  • Alom, Md. Zahangir;Lee, Hyo Jong
    • Proceedings of the Korea Information Processing Society Conference
    • /
    • 2011.11a
    • /
    • pp.351-354
    • /
    • 2011
  • This paper discusses on facial features extraction based on proposed skin color model. Different parts of face from input image are segmented based on skin color model. Moreover, this paper also discusses on concept to detect the eye and mouth position on face. A height and width ratio (${\delta}=1.1618$) based technique is also proposed to accurate detection of face region from the segmented image. Finally, we have cropped the desired part of the face. This exactly exacted face part is useful for face recognition and detection, facial feature analysis and expression analysis. Experimental results of propose method shows that the proposed method is robust and accurate.

A block-based face detection algorithm for the efficient video coding of a videophone (효율적인 화상회의 동영상 압축을 위한 블록기반 얼굴 검출 방식)

  • Kim, Ki-Ju;Bang, Kyoung-Gu;Moon, Jeong-Mee;Kim, Jae-Ho
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.29 no.9C
    • /
    • pp.1258-1268
    • /
    • 2004
  • We propose a new fast, algorithm which is used for detecting frontal face in the frequency domain based on human skin-color using OCT coefficient of dynamic image compression and skin color information. The region where each pixel has a value of skin-color were extracted from U and V value based on DCT coefficient obtained in the process of Image compression using skin-color map in the Y, U, V color space A morphological filter and labeling method are used to eliminate noise in the resulting image We propose the algorithm to detect fastly human face that estimate the directional feature and variance of luminance block of human skin-color Then Extraction of face was completed adaptively on both background have the object analogous to skin-color and background is simple in the proposed algorithm The performance of face detection algorithm is illustrated by some simulation results earned out on various races We confined that a success rate of 94 % was achieved from the experimental results.

Correlation between Personal Aggression and Skin Conductance Level during Watching Attack Image (폭력영상 시청 시 개인의 공격성과 피부전도 수준의 상관관계)

  • Choi, Mi-Hyun;Choi, Mi-Ryung;Lee, Su-Jeong;Yang, Jae-Woong;Kim, Ji-Hye;Choi, Jin-Seung;Tack, Gye-Rae;Min, Byung-Chan;Chung, Soon-Cheol
    • Journal of Korean Society of Industrial and Systems Engineering
    • /
    • v.33 no.2
    • /
    • pp.18-22
    • /
    • 2010
  • The purpose of this study was to investigated correlation between personal aggression and skin conductance level during watching attack image. Twenty three male ($21.4\pm1.8$ years) college students participated in this experiment. A personal aggression of each subject measured by questionnaire. The experimental procedure consisted of four phases, i.e., rest state (15 min), control image 1 (2 min. 14 sec), aggression image (50 sec), and control image 2 (2 min. 14 sec). Control image 1 and 2 consisted of sea, mountain, and valley scenary. Aggression image used scenes of the violence movie. Skin Conductance Level (SCL) of electrothermal activity was measured during watching the images. The SCL was greater during aggression image than during control image 1 and 2. A negative correlation was found between aggressive personality and change rate of SCL during watching aggression image compared to control image 1. This results suggests that aggression image was accompanied by the higher activation of Sympathetic Nervous System (SNS). Also, the higher aggression scores, an increasing rate of SNS activation was become smaller during watching aggression image.

A Study on the Multiplicity of Architectural Skin in Contemporary Architecture (현대건축의 표피에서 나타나는 다질성의 특성 연구)

  • Kim, Do-Woon;Kim, Dong-Jin
    • Korean Institute of Interior Design Journal
    • /
    • v.23 no.6
    • /
    • pp.22-32
    • /
    • 2014
  • Development of digital technology, which is individualizing and differentiating the world, makes time and space facilitate multi-layering in the contemporary society. It gives a large influence on the contemporary architecture that inducing the visual and spatial experience. Also, It generates new images through the skin of architecture, which implies the contingent and fluid characteristics. These phenomenon show that various parameters are working on the architectural skin simultaneously. Such complexity make the structure of open space and diversity that are homogenized and synchronized. Like this, the architectural skin implies 'multiplicity': qualitative difference which is enable to change and create new images. This characteristic generates instant images changing variously and semantics constantly by the function of skin as a filter. Also, the architectural skin integrates or relocates of relationships between the various information and elements appearing in contemporary society in order to escape the customary relationship between internal and external. Furthermore, the inside and outside of the mixture as a collection of sense has been recognized as one image. This image of mixture consists of one unified continuous integration and extend the meaning of a fluid interface not just surface of the building. The skin of the contemporary architecture is very technical, so its meaning and role is expanded as a complex that exchange interaction. This means that the skin itself has functional elements of the integrated multiple skin to assist. Also it can form a multi-layered relationship and act as a wide range of interfaces depending on the perception of the observer. Therefore the multiplicity of the architectural skin indicates the importance as a boundary that generate images of new life through the sensory perception and implicit force. And it shows potential as the intermediary to try to communicate.