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Case Report

Anat Cell Biol 2022; 55(4): 512-519

Published online December 31, 2022

https://doi.org/10.5115/acb.22.094

Copyright © Korean Association of ANATOMISTS.

A portrait drawing of the 17th century Korean scholar based on craniofacial reconstruction

Joon Yeol Ryu1 , A Young Yoon2 , Yeon Kyung Park1 , Won Joon Lee3 , Mi Kyung Song4 , Jong Ha Hong5 , Eun Jin Park6 , Soon Chul Cha7 , Dongsoo Yoo8 , Myeung Ju Kim9 , Dong Hoon Shin10

1Department of Forensic Medicine, National Forensic Service, Wonju, 2Visual Communication Design, Sungkyunkwan University, Seoul, 3Department of Forensic Medicine, National Forensic Service Seoul Institute, Seoul, 4Department of Fashion Design & Marketing, Seoul Women’s University, Seoul, 5Institute of Korean Archaeology and Ancient History, Kyung Hee University, Seoul, 6Gumi City Hall, Gumi, 7Seorabeol Institute of Cultural Heritage, Gyeongju, 8Department of Diagnostic Radiology, Dankook University College of Medicine, Cheonan, 9Department of Anatomy, Dankook University College of Medicine, Cheonan, 10Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, Korea

Correspondence to:Won Joon Lee
Department of Forensic Medicine, National Forensic Service Seoul Institute, Seoul 08036, Korea
E-mail: ttolong2@gmail.com
Dong Hoon Shin
Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Korea
E-mail: cuteminjae@gmail.com

Received: May 9, 2022; Revised: June 16, 2022; Accepted: June 16, 2022

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

As a technique mainly hiring in forensic investigation field to identify the descents, craniofacial reconstruction (CFR) is also used in archaeology to create the faces from ancient or medieval human remains, when there is little information about his/her appearance. Eung-Cheok Ko (1531–1605) was a writer and scholar in the mid Joseon period. In January of 2019, His mummified body was found at Gumi, Kyeonsangbuk-do, Korea. The remains were anthropologically examined, and archaeological CFR was also requested for this case. This report reveals the case’s facial reconstruction process and his portrait that is drawn based on the 3-dimensional CFR result.

Keywords: Craniofacial reconstruction, Mummies, Korea, Portrait, Joseon period

Craniofacial reconstruction (CFR), a technique to rebuild the ante-mortem facial appearance of the individual, is employed in that very few scientific evidences are remaining to aid the identification of missing people’s remains [1, 2]. CFR becomes also very significant in archaeology of Korea. In brief, during Joseon dynasty period (1392–1897 CE), the facial appearance of respectful officials or scholars were plentifully drawn by contemporary painters. However, as for Korean mummies of Joseon period, there were many cases without any portraits or sculptures remained. When museum curators hoped to get mummified figures’ portrait for public occasions, little information could be available. In that case, portrait drawings must rely on simple imagination or vague reference materials. To overcome this shortcoming, the facial appearance of mummies can be re-created by CFR and the result becomes an ideal reference for drawing authentic portraits of them [3-5]. This idea has been very meaningful in mummy study; however, we admit that it is nothing short of just begun. Actually, authentic achievement cannot be obtained if more experience for drawing mummified people’s portraits based on CFR is not accumulated properly.

Recently, we had a chance to make a CFR-based portrait of Joseon period celebrity who was mummified inside the grave and recently discovered by archaeologists. In January 2019, the grave of Eung-Cheok Ko (1531–1605) was archaeologically investigated at Gumi City (Gyeongsangbuk-do, Korea). He was a famous writer and scholar of the Joseon Dynasty, having passed civil service examination in 1561, and then served as governor of Hoedeok county and Gyeongju city. In his grave, many clothes, cotton blankets, and pillows could be also found in a well-preserved state. The mummy was moved to Seoul National University College of Medicine. Computed tomography (CT) scan was performed with the cooperation of Dankook University Hospital (Cheonan, Korea). While removing the shrouds surrounding the mummy in the lab, the work was suspended due to concerns from descendants who feared damage to their ancestor’s body (Appendix 1). Although the mummy’s face was not exposed to us, the possibility of predicting his face based on the skull recovered from the CT data remains.

Repositioning of the skull

The whole CT scan data were uploaded to Geometric Freeform (3D Systems Inc., Rock Hill, SC, USA) for completing a three-dimensional skull model, and positioning the cranium and mandible in conjunction. In this case, the dislocated teeth during post-mortem decomposition (1st left premolar, 2nd left premolar, 1st left molar of mandible) were repositioned to their original positions.

Skull measurement and cranial indices

The skull was measured with Materialise Mimics 20.0 (Materialise, Leuven, Belgium), 3-dimensional imaging visualization and analysis program, following the method of Buikstra and Ubelaker [6]. The results are summarized in Appendix 2. In cranial indices, the mummy’s skull was dolichocranial (cranial index: 72.849 mm), orthocranial (length-height index: 73.87 mm), and acrocranial (breath-height index: 101.40 mm). Also, the skull is stenometopic (fronto-parietal index: 65.73 mm) and leptene (upper facial index: 57.98 mm). Nasal index of the skull is mesorrhine. Orbital index is mesoseme in both sides (Table 1, Appendix 3) [7].

Table 1 . The mummy skull indexes and their features

Skull indexFeature
Cranium
Cranial indexDolichocranial
Length-height indexOrthocranial
Breath-height indexAcrocranial
Fronto-parietal indexStenometopic
Upper facial indexLeptene
Nasal indexMesorrhine
Orbital index
LeftMesoeme
RightMesoeme


Application of the facial skin thickness and facial muscles

Tissue depth pegs (stick markers) were installed to reflect thickness of skin at different locations (n=31) of the skull based on the average skin thickness data of Korean population (Fig. 1) [8]. The fifteen major facial muscles were applied to the skull by their origins and insertions [9], giving an approximate outline of mummy’s face (Fig. 1).

Figure 1. Tissue depth pegs and facial muscles on the mummy skull. (A) Tissue depth pegs on the skull in the front view. (B) Tissue depth pegs on the skull in the side view. (C) Facial muscles and tissue depth pegs on the skull in the front view.

Construction of facial components

Eyes

The positions of the eyeballs were predicted using the proportion of the height or breadth of eye orbits. In short, 57.6% of the orbit breadth from the medial point (dacryon) is the center of eyeball in horizontal and 44.1% of the orbit height from the superior point (supraconchion) is the center of eyeball in vertical. 51.3% of orbit height from the deepest point of lateral orbit margin is the most anterior point of the eyeball in lateral. Orbit breadth was measured as between dacryon (medial point) and ectoconchion (lateral point) and orbit height was measured as between supraconchion (superior point) and orbitale (inferior point) (Fig. 2) [10]. The slopes of the eyes in the front view were determined by predicting the combined attachment positions of the medial and lateral palpebral ligaments to the orbits (Fig. 2).

Figure 2. Eyeball position in the orbit and eye-opening. (A) Eyeball positioning by the height and breadth of the orbit. (B) Imaginary line linked between medial and lateral palpebral ligament attaching site in the orbit. (C) Eye-opening on the imaginary line.

Eyebrows

Four sections of each orbit, supraorbitale to orbitale, medial orbit to supraorbitale, lateral orbit to supraobitale and supraorbitale 2 to orbitale, were measured to be used in correlation equations for eyebrow reconstruction. Twelve landmark positions for each side were produced as results predicting the outlines of eyebrows (Fig. 3).

Figure 3. Eyebrow position on the skull and face.

Nose

The shape and location of the nose were reconstructed using a study that analyzed the correlation between the nose and the nasal aperture of Koreans. Projection of the nose in side view was calculated by the distance between coronal plane and landmarks, nasion and acanthion. Position of the nasal alae were predicted by the distances between coronal plane and nasal aperture grooves for each side view and between orbitale planes and nasal aperture grooves and midsagittal plane and alares for front view (Fig. 4) [11].

Figure 4. Nose reconstruction by the guide of the landmarks. (A) Landmarks’ positions in front view. (B) Nose reconstruction and its’ landmarks in front view. (C) Landmarks’ position in side view. (D) Nose reconstruction and its’ landmarks in side view.

Lips

The lip thickness was predicted using the position of the upper and lower incisors [1]. For the width of the lip, several methods were tested using blended of interlimbus distances, the interpupillary distance and the plane method creating planes by both upper canines to find better expression and fit to the skull (Fig. 5).

Figure 5. Lips reconstruction. (A) Lips position in front view. Arrows: maxillary canine contacting planes. Dotted lines: interpupillary and interlimbus lines. (B) Lips position in side view. Solid line: positions of vermilion line and oral fissure.

Ears

The height of the ear was predicted by the position of the eyes and nose. The earlobe adherence was predicted using the direction of the mastoid processes [12].

Completion of skin layer

Skin layer was added to the face based on the tissue depth pegs on the skull. After combining the skin layer with each facial components (eyebrows, eyes, nose, lips, and ears), the detailed shape of the face was developed. Skin wrinkles were applied to complete the CFR of the mummy (Fig. 6, Appendix 4).

Figure 6. The final facial reconstruction of the mummy in panorama view. Front and oblique view in large size is also available in Appendix 4.

Drawing the portrait

To add skin texture, skin color, hair, and costume, clay sculpture was transferred to 3D digital software ZBrush (PixologicTM, Los Angeles, CA, USA). The model was painted by Adobe Photoshop (Adobe, San Jose, CA, USA) as in referring Joseon period panting style [13]. For the dress and ornaments in portrait, information on the relevant remains was provided by textile specialists. Eung-Cheok Ko was not wearing the cap or hat inside the grave. However, as the gentry of Joseon dynasty period, we decided to make him wear a common cap in the portrait. The final portrait of Eung-Cheok Ko was drawn in traditional painting style (Fig. 7).

Figure 7. Portrait of the mummy in Joseon era style.

It is of great significance in that creating reliable portraits of historically famous figures can be possible by CFR. In this report, we took a scientifically restored face shape with age and gender into account; and portrait drawing was finally carried out by an artist, referring to the latest historical research updates on Joseon period clothing. In our work, the facial appearance should reflect the fact that Eung-Cheok Ko survived to the age of 74 years. His ears and skin were expressed droopier as they got older, wrinkles were depicted around the eyes, and the age range of this person was expressed with eyebrows and whiskers that looked like a little thin. And we also reflected in the portrait that he was a prominent scholar and a celebrity respected by the people at the time. A headband of Eung-Cheok Ko in the portrait is expressed in a decent arrangement. The top he was wearing was depicted reflecting the style of the man’s coat worn by the scholars at the time. The hat Eung-Cheok Ko wore on his head was drawn by referring to the portrait of Kim Jin (1500–1580) and the existing hat of Seong-ryong Yu (1542–1607). According to the historical literatures, he was a great scholar who studied diligently in his hometown and received considerable respect from people at that time [14]. Therefore, we tried to reflect his admirable personality in historical records when we painted the portrait. In South Korea, since CFR becomes an ideal technique to make historical figures’ portraits or statues more reliable [5, 15], our report can be accepted as a part of continuing efforts to accumulate academic experience indispensable in this task.

The authors in this study are deeply grateful to the generous and courageous decision of the Andong Ko clan. They provided us with the opportunity to examine their respectful ancestor. Joon Yeol Ryu, Yeon Kyung Park, and Won Joon Lee were supported by a grant from National Forensic Service (NFS2020MED01), Ministry of the Interior and Safety, Republic of Korea. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1A2C1010708) and Ministry of Education of Korea (2020R1I1A1A01073501).

Conceptualization: WJL, DHS. Data acquisition: JYR, AYY, YKP, WJL, EJP, SCC, DY, MJK. Data analysis or interpretation: WJL, MKS, JHH, DHS. Drafting of the manuscript: WJL, JHH, DHS. Critical revision of the manuscript: WJL. Approval of the final version of the manuscript: all authors.

No potential conflict of interest relevant to this article was reported.

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