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All Journal J@TI (TEKNIK INDUSTRI) JURNAL SAINS PERTANIAN EQUATOR Bioeksperimen: Jurnal Penelitian Biologi Jurnal Ilmu Keluarga dan Konsumen Jurnal Penelitian Pendidikan IPA (JPPIPA) Tarbawi: Jurnal Keilmuan Manajemen Pendidikan LINGUISTIK : Jurnal Bahasa dan Sastra JURNAL PENDIDIKAN TAMBUSAI Psychology, Evaluation, and Technology in Educational Research Cakrawala Management Business Journal Journal of Electronics, Electromedical Engineering, and Medical Informatics Akuntoteknologi : Jurnal Ilmiah Akuntansi dan Teknologi Journal of Language, Literature, and Teaching Jurnal Ilmiah Akuntansi Kesatuan EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi Jurnal Riset Biologi dan Aplikasinya Jurnal Health Sains Poltekita: Jurnal Pengabdian Masyarakat Engineering, Mathematics and Computer Science Journal (EMACS) Nuances of Indonesian Language Jurnal Penelitian Sains dan Pendidikan (JPSP) Healthy Tadulako Journal (Jurnal Kesehatan Tadulako) Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Berdikari : Jurnal Pengabdian kepada Masyarakat Indonesian Journal of Community Empowerment Ekalaya: Jurnal Pengabdian Kepada Masyarakat Indonesia Biocaster : Jurnal Kajian Biologi Innovative: Journal Of Social Science Research Sublim: Jurnal Pendidikan Paradoks : Jurnal Ilmu Ekonomi International Journal of Application on Economics and Business Cendikia: Jurnal Pendidikan dan Pengajaran Jurnal Penelitian Pendidikan Islam Polyscopia Jurnal Wicara Desa Tarim : Jurnal Islamic Education
Karina Karina
Departemen Ilmu Keluarga dan Konsumen Fakultas Ekologi Manusia Institut Pertanian Bogor
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Combination Of Gamma Correction and Vision Transformer In Lung Infection Classification On CT-Scan Images Kesuma, Lucky Indra; Octavia , Pipin; Sari , Purwita; Batubara, Gracia Mianda Caroline; Karina, Karina
Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol 7 No 3 (2025): July
Publisher : Department of Electromedical Engineering, POLTEKKES KEMENKES SURABAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/jeeemi.v7i3.588

Abstract

Lung infection is an inflammatory condition of the lungs with a high mortality rate. Lung infections can be identified using CT-Scan images, where the affected areas are analyzed to determine the infection type. However, manual interpretation of CT-Scan results by medical specialists is often time-consuming, subjective, and requires a high level of accuracy. To address these challenges, this study proposes an automated classification method for lung infections using deep learning techniques. Convolutional Neural Networks (CNNs) are widely used for image classification tasks. However, CNN operates locally with limited receptive fields, making capturing global patterns in complex lung CT images challenging. CNN also struggles to model long-range pixel dependencies, which is crucial for analyzing visually similar regions in lung CT-Scans. This study uses a Vision Transformer (ViT) to overcome CNN limitations. ViT employs self-attention mechanisms to capture global dependencies across the entire image. The main contribution of this study is the implementation of ViT to enhance classification performance in lung CT-Scan images by capturing complex and global image patterns that CNN fails to model. However, ViT requires a large dataset to perform optimally. To overcome these challenges, augmentation techniques such as flipping, rotation, and gamma correction are applied to increase the amount of data without altering the important features. The dataset comprises lung CT-scan images sourced from Kaggle and is divided into Covid and Non-Covid classes. The proposed method demonstrated excellent classification performance, achieving accuracy, sensitivity, specificity, precision, and F1-Score above 90%. Additionally, the Cohen’s kappa coefficient reached 89%. These results show that the proposed method effectively classifies lung infections using CT-Scan images and has strong potential as a clinical decision-support tool, particularly in reducing diagnostic time and improving consistency in medical evaluations.
The Effectiveness of Pregnancy Exercise Education Using Squatting Pose and Pelvic Rocking to Improve Maternal Knowledge and Prevent Perineal Rupture Rahmadhena, Melissa Princess; Ambarwati, Mega Suci; Marsely, Anisa; Rinandha, Cindy Meiliani; Rahayu, Ethics of Styo; Karina, Karina; Masliah, Maghfira Izani; Lela, Siti; Lailah, Susi
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.10579

Abstract

One of the efforts to reduce the incidence of perineal rupture during labor is through specific techniques that can enhance the elasticity and flexibility of the perineal tissue and strengthen the pelvic floor muscles. Two commonly recommended techniques are the Squatting Pose and Pelvic Rocking. These techniques can help reposition the fetus, facilitate the delivery process, and minimize the risk of perineal injury by relaxing the pelvic muscles and strengthening the muscles involved in childbirth. This study aims to investigate the effect of Squatting Pose and Pelvic Rocking on the incidence of perineal rupture in laboring women. This research employed a quasi-experimental design with an intervention and control approach. The independent variable in this study was pregnancy exercise, specifically the squatting pose, while the dependent variable was the incidence of perineal rupture. A total of 160 respondents were included in this study, consisting of pregnant mothers aged 37-39 weeks, divided into two groups: 80 respondents in the intervention group (who performed Squatting Pose and Pelvic Rocking) and 80 respondents in the control group (who did not perform these exercises), selected through purposive sampling. A Mann-Whitney test was conducted, and the results showed no significant difference in the incidence of perineal rupture between the intervention and control groups (p-value 0.079). However, when examining the degree of perineal rupture, the control group had a higher degree of rupture compared to the intervention group. This suggests that although Squatting Pose and Pelvic Rocking may not significantly reduce the incidence of perineal rupture, they may help reduce the severity of the tear, which is beneficial for postpartum recovery. It is recommended that these exercises be incorporated into childbirth preparation programs in clinics and homes, as they may aid in the recovery process after delivery.
Improving Elderly Knowledge on Hypertension through Health Education in Parakan Village, Garut Sadino, Asman; Lubis, Novriyanti; Suryana, Shendi; Prasetiawati, Riska; Hermawan, Belya Anindia; Cahyati, Effan; Apriani, Riza; Karina, Karina; Rena, Rena
Indonesian Journal of Community Empowerment (IJCE) Vol 6 No 2 (2025): Indonesian Journal of Community Empowerment (May)
Publisher : Fakultas Kewirausahaan Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35899/ijce.v6i2.1034

Abstract

Hypertension is a non-communicable disease often referred to as a "silent killer" because it may develop without noticeable symptoms and can lead to serious complications if left untreated. Elderly individuals are among the high-risk groups who require special attention in efforts to prevent and control hypertension. This community service activity aimed to improve the knowledge of elderly residents regarding hypertension through health education as a preventive measure against further complications. The program was conducted in Parakan Village, Garut Regency, involving 30 elderly participants. The method used was health education combined with pre-test and post-test assessments to evaluate knowledge improvement. The results showed a significant increase in understanding after the session, particularly regarding the symptoms and prevention of hypertension. Another notable finding was that most participants had only elementary-level education, which influenced their receptiveness to health information. In conclusion, health education proved effective in enhancing the elderly's knowledge of hypertension and its potential complications. Periodic follow-up education and collaboration with local health services are recommended to sustain the impact.
A Study of Machine Learning Approach to Predict the Out performance Market of Japan’s Stock Price Amadea, Charissa; Karina, Karina; Addina, Kanisha; Adara, Keisha; Pasaribu, Asysta
Engineering, MAthematics and Computer Science Journal (EMACS) Vol. 7 No. 2 (2025): EMACS
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/emacsjournal.v7i2.12905

Abstract

This study employs machine learning algorithms to estimate the stock performance of Japanese companies in 2022, with a focus on examining the relationship between significant financial factors—Market Capitalization (Market Cap), Price-to-Earnings Ratio (PER), Price-to-Book Value (PBV), Return on Equity (ROE), and Debt-to-Equity Ratio (DER)—and stock performance, classified as either high-performing or low-performing. These factors are designated as independent variables. The dataset comprises 1,000 publicly listed companies in Japan and is analyzed using a logistic regression model. The dependent variable in this study is stock performance. The Akaike Information Criterion (AIC) guided model selection to optimize predictive accuracy and model complexity. The dataset was split into 70% for training and 30% for testing to ensure robust model validation. The best-performing model achieved a prediction accuracy of 62.67%, demonstrating strong sensitivity (88.83%) but weak specificity (18.75%). An AUC value of 0.6226 indicates moderate discriminatory power. The model shows good capability in detecting underperforming stocks, while its limitation lies in classifying well-performing stocks. The study suggests enhancing prediction accuracy by incorporating additional relevant variables such as macroeconomic indicators or market trends, as well as employing more complex machine learning algorithms like Random Forest or Gradient Boosting. These findings not only contribute to the literature on stock market prediction but also offer practical insights for investors in making investment decisions.
Perbandingan Makna Kata “Tangan” pada Peribahasa Indonesia dan Mandarin Nurvalentin, Nurvalentin; Karina, Karina; Andriani, Finna
Linguistik : Jurnal Bahasa dan Sastra Vol 10, No 2 (2025): LINGUISTIK: Jurnal Bahasa dan Sastra
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/linguistik.v10i2.214-227

Abstract

This thesis is to show and to describe the similarity and difference of the meaning “Tangan” and “ ” between Mandarin and Indonesian language sentences. Using qualitative descriptive research method to describe and analysis the word between Mandarin and Indonesian languages. While research, using documentation technical to collect data in Mandarin and Indonesian both language. Primary data outcome from both language idiom dictionary and books contain those words. While obtaining and summerizing data that is quoted and written from the data in Indonesian and Mandarin, there are 8 types of pragmatic similar meanings in indonesian word “Tangan” and mandarin “ ? ”in two languages, such as brother sisters or family; doing things/job/to shop; to recieve or get; available or expertise in/good in; have a power to do. There are five meanings in indonesian but not available in mandarin, such as to describe me mysel; to take; income; to obey; to influence. There are 5 meanings also in Mandarin but not available in Indonesian, such as to describe easiness, to attack, chance, body and authority.
Jenis-jenis Gulma yang Ditemukan di Perkebunan Kelapa Sawit PT. Incasi Raya Pangian sebagai Buku Ilmiah Populer Karina, Karina; Nursyahra, Nursyahra; Sari, Liza Yulia
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.628

Abstract

PT. Incasi Raya Pangian is a company engaged in oil palm plantations with a land area of 6,890 hectares, located in Nagari Sinamar, Asam Jujuhan District, Dharmasraya Regency, West Sumatra Province. One of the main problems in oil palm cultivation is the presence of weeds that can reduce productivity by up to 20% through competition in the absorption of water, light, and nutrients. This research aims to identify the types of weeds that grow in oil palm plantations and compile them in the form of popular scientific books as an educational medium for the community and educators. The research was carried out in two stages. The first stage was carried out to obtain research weed data using the 10-meter transect method with five plots measuring 1 m x 1 m which were arranged alternately in the plantation area of PT. Incasi Raya Pangian, Nagari Sinamar, Dharmasraya Regency. The second stage is the preparation of popular scientific books, where weed samples are collected, preserved, and identified using botanical literature at the Botanical Laboratory of the University of PGRI West Sumatra. The results showed that there were 33 species of weeds from 27 families, consisting of 28 species of the Spermatophyta Division and 5 species of the Pteridophyta Division. Some common species include Ageratum conyzoides, Clidemia hirta, and Cyperus rotundus. The popular scientific books produced have the potential to be a source of practical information for the community, as well as support sustainable weed management in oil palm plantations.
PENGARUH FAKTOR-FAKTOR PRODUKSI PERIKANAN TANGKAP TERHADAP HASIL TANGKAPAN NELAYAN DENGAN ALAT TANGKAP GILLNET DI KAWASAN PERAIRAN PPN PEMANGKAT, KALIMANTAN BARAT Karina, Karina; Maswadi, Maswadi; Suharyani, Anita
Jurnal Sains Pertanian Equator Vol 15, No 1
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v15i1.90689

Abstract

Perikanan tangkap merupakan salah satu sektor penting dalam industri perikanan global. Setiap usaha penangkapan mengharapkan hasil tangkapan yang ideal dengan penggunaan input yang efisien. Penentuan efisiensi teknis dan produktivitas dapat dijadikan indikator pengukuran kinerja alat penangkapan ikan. Tujuan penelitian ini adalah untuk mengetahui faktor-faktor yang mempengaruhi hasil tangkapan perikanan tangkap jaring insang hanyut (gillnet) di perairan Pelabuhan Perikanan Nusantara Pemangkat. Populasi dalam penelitian ini sebanyak 32 nelayan kapal yang beroperasi di Pelabuhan Perikanan Nusantara (PPN) Pemangkat dengan metode yang digunakan adalah survei. Teknik pengumpulan data yang digunakan adalah data primer dan sekunder. Analisis data yang digunakan adalah analisis regresi linear berganda dengan menggunakan SPSS versi 25. Hasil dari analisis adalah panjang jaring, tinggi jaring, jumlah setting/penurunan jaring, dan jarak tempuh penangkapan ikan berpengaruh terhadap peningkatan hasil tangkapan ikan.
ANALISIS TUMBUH KEMBANG ANAK PADA PERIODE EMAS USIA 0-2 TAHUN BERSAMA IBU ENY DIAN Lubis, Ramadhan; Karina, Karina; Fauziah, Nayla Nazwa; Hasibuan, Najwa Naumira; Hasibuan, Salsa Bila; Hasibuan, Najwah; Rambe, Mila Sapitri
Cendikia: Jurnal Pendidikan dan Pengajaran Vol. 2 No. 5 (2024): Cendikia: Jurnal Pendidikan dan Pengajaran
Publisher : Cendikia: Jurnal Pendidikan dan Pengajaran

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini menguraikan analisis tumbuh kembang anak selama periode kritis 0-2 tahun, yang dikenal sebagai "periode emas" dalam perkembangan manusia. kami menggunakan pendekatan multidisiplin yang mencakup psikologi perkembangan, nutrisi, lingkungan, dan faktor genetik untuk memahami faktor-faktor yang memengaruhi pertumbuhan dan perkembangan anak. metode observasional dan analisis data longitudinal digunakan untuk melacak kemajuan fisik, kognitif, bahasa, dan sosial anak selama periode tersebut. temuan menunjukkan bahwa stimulasi yang kaya dan nutrisi yang memadai berperan penting dalam mendukung perkembangan optimal pada anak usia ini. implikasi praktis dan saran untuk intervensi diberikan untuk membantu orang tua dan penjaga dalam mendukung perkembangan anak mereka selama periode emas ini.
PEMBERDAYAAN MASYARAKAT MELALUI PENGEMBANGAN DAN OPTIMALISASI LAHAN KOSONG DENGAN PENANAMAN BIBIT SERTA PENERAPAN ZERO WASTE DI DESA WAJAGESENG Cahyani, Ismira Dwi; Aliya, Zafirah; Susanti, Yunita Widya; Oktapiandi, Dinda Maelani; Wardana, Budi; Karina, Karina; Ramadhan, Fardiansyah; Puspita, Kharisma Chandra; Pratama, Sam Adya Diva; Hadi, Yusron
Jurnal Wicara Vol 2 No 5 (2024): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/wicara.v2i5.5560

Abstract

Kuliah Kerja Nyata (KKN) is a form of service of higher education institutions to the community carried out by the University of Mataram (Unram). This activity is carried out by providing opportunities for students and lecturers to be directly in the field as a team in a village or a certain location. The general purpose of this KKN activity is to answer the various issues that have been raised above and realize the Peseng Preparatory Village (Wajageseng) into an economically and environmentally sustainable village through the application of green economy principles and community empowerment. Community empowerment through the development and optimization of vacant land is one of the important strategies in increasing the independence and welfare of village communities. Unused vacant land is often ignored and not used effectively, even though the potential is very large to be developed into useful resources. Wajageseng Village, located in Kopang District, Central Lombok Regency, is an example of a village that has great potential in community empowerment through the development of vacant land. In this context, planting seedlings and implementing zero waste are very relevant strategies to improve the welfare of the community and the environment. Planting seedlings can not only increase fruit production, but it can also increase public awareness about the importance of effective and efficient land use. In addition, the implementation of zero waste can help reduce waste and improve environmental quality, so that people can live more balanced and sustainable. The purpose of this activity is to increase public awareness of the importance of environmental management, improve the quality of life of the community through the development and optimization of vacant land, as well as reduce the volume of waste produced by the community. This activity lasted for 52 days, from July 2nd to August 22nd. Involving students and the local community so that this program runs smoothly. Planting 300 seedlings on vacant land and making 5 garbage bins with location placement, namely 3 at the village office, 1 at the head of the hamlet, and 1 at the health center.
Pengaruh Harga Dan Kepercayaan Terhadap Keputusan Pembelian Pada Marketplace Tokopedia Rizky Andriyanto, Muhammad; Siregar, Salim; Karina, Karina
Innovative: Journal Of Social Science Research Vol. 4 No. 1 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i1.8185

Abstract

Penelitian ini memiliki tujuan guna mengetahui apakah variabel Harga dan variabel Kepercayaan memiliki pengaruh positif dan signifikan terhadap variabel Keputusan Pembelian pada marketplace Tokopedia. Metode yang digunakan pada penelitian ini menggunakan metode kuantitatif. Data dikumpulkn melalui survey dengan mengirimkan kuesioner secara online kepada pengguna aktif Tokopedia, dan sampel sebanyk 100 responden yang dipilih dengan teknik purposive sampling yang dimana mereka merupakan pengguna aktif Tokopedia. Variabel bebas yang digunakan pada penelitian ini adalah Harga (X1), Kepercayaan (X2) dan variabel terikatnya yaitu Keputusan Pembelian (Y). Analisis data dilakukan dengan analisis linier dalam perangkat lunak SPSS, dan hasil dari analisis linier berganda menghasilkan persamaan yaitu Y= 0,413X1 + 0,053X2. Hasil penelitian secara uji parsial yaitu menunjukan variabel Harga (X1) Berpengaruh signifikan terhadap Keputusan Pembelian (Y), sementara variabel Kepercayaan (X2) tidak berpengaruh secara signifikan terhadap Keputusan Pembelian (Y). Menurut uji simultan variabel Harga (X1) dan Kepercayaan (X2) secara bersamaan memiliki pengaruh yang signifikan terhadap  Keputusan Pembelian (Y) di marketplace Tokopedia.
Co-Authors Adara, Keisha Addina, Kanisha Afini, Irsyah Alfiasari Alfinur, Muhammad Aliya, Zafirah Amadea, Charissa Ambarwati, Mega Suci Andriani, Finna Anita Suharyani Apriani, Riza Arofiani, Fifi Artianta, Wenny Asbi, Asbi Asha, Asha Asifa, Siti Nur ASMAN SADINO, ASMAN Aulia Ulmillah Aulia, Atiqa Bangsawan, Muhammad Ali Barokah, Nadya Batubara, Gracia Mianda Caroline Cahyani, Ismira Dwi Cahyati, Effan Ceskakusumadewi Darliana Sormin Dra. NURSYAHRA M.Si Dra. NURSYAHRA M.Si Dwi Hastuti Dwijowati Asih Saputri Dyah Ika Rinawati Ecca, Suleha Ekawati , Sanny Eko Pramudya Laksana Fadilah, Muhammad Ilham Fauziah, Nayla Nazwa Febriyana, Kailah Feronica, Shinta Guna, Shubhan Tri Habibah, Azizatul Hadi, Yusron Hamdani Hamdani Harahap, Desmidar Hasibuan, Najwa Naumira Hasibuan, Najwah Hasibuan, Salsa Bila Henny Helmi Hermawan, Belya Anindia Hilda Zulkifli Ika Listiana Imam Rosadi Isfani, Delia Jannah, Sri Naimatul Juliani, Intan Julianti, Umi Fania Jumaita Nopriani Lubis Junita Junita Kasman, Rosmini Kesuma, Lucky Indra Lailah, Susi Lanta, Jumiati Lela, Siti Liza Yulia Sari Lubis, Ramadhan M. Fahrul Husni Marsely, Anisa Masliah, Maghfira Izani Maswadi - Moh. Irtadji Muna, Afifah Najdatul Muslihati Nababan, Jeremia Nababan, Sarah Amelia Novrikasari Novrikasari, Novrikasari Novriyanti Lubis, Novriyanti Nurvalentin, Nurvalentin Octavia , Pipin Oktapiandi, Dinda Maelani Pasaribu, Asysta Pratama, Sam Adya Diva Puspita, Kharisma Chandra Rahayu, Ethics of Styo Rahmadhena, Melissa Princess Ramadhan, Fardiansyah Rambe, Mila Sapitri Rasyid, Rustam Efendy Rena Rena Riko Gesmani Rinandha, Cindy Meiliani Riska Prasetiawati, Riska Rizky Andriyanto, Muhammad Rosliana, Iis Rosliana, Iis Sabil, Ridho Safitri, Wulan Eka Saifullah Saifullah Salsabillah, Maya Sandha, Dhiya Putri Aqilah Sandy Tjang, Yanto Sari , Purwita Sianturi, Natalia Fronika Silvia Silvia Silvia Wijaya Simbolon, Lundu Wijaya siregar, salim Sitorus, Oktavia Sobariah, Siti Sri Wahyuni Sukma, Dessy Tya Melati Suryadi Suryadi Suryana, Shendi Susanti, Yunita Widya Sutandi, Sutandi Sutarti Sutarti Theodorus Rexa Handoyo Tri Faranita, Tri U. Evi Nasla Vebriani, Helly Verawaty Verawaty Victoria, Brigita Wahyuningsih, Komang A Wardana, Budi Widya Ningsih Widyastuti, Tias Wulan, Ananda Ayu Yusnaldi , Eka Zaelani, Ahmad