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Journal : International Journal Of Computer, Network Security and Information System (IJCONSIST)

Classification of color features in butterflies using the Support Vector Machine (SVM) Dhian Satria Yudha Kartika; Hendra Maulana
IJCONSIST JOURNALS Vol 2 No 02 (2021): March
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (381.57 KB) | DOI: 10.33005/ijconsist.v2i02.50

Abstract

Research in digital images is expanding widely and includes several sectors. One sector currently being carried out research is in insects; specifically, butterflies are used as a dataset. A total of 890 types of butterflies divided into ten classes were used as a dataset and classified based on color. Ten types of butterflies include Danaus plexippus, Heliconius charitonius, Heliconius erato, Junonia coenia, Lycaena phlaeas, Nymphalis antiopa, Papilio cresphontes, Pieris rapae, Vanessa atalanta, Vanessa cardui. The process of extracting color features on butterfly wings uses the RGB method to become HSV color space with color quantization (CQ). The purpose of adding CQ is that the computation process is carried out faster without reducing the image's information. In the color feature extraction process, the image is converted into 3-pixel sizes and normalized. The process of normalizing the dataset has the aim that the value ranges in the dataset have the same value. The 890 butterfly dataset was classified using the Support Vector Machine (SVM) method. Based on this research process, the accuracy of the 256x160 pixel size is 72%, the 420x315 pixel is 75%, and the 768x576 pixel is 75%. The test results on a system with a 768x576 pixel get the highest results with a precision value of 74.6%, a recall of 72%, and an f-measure of 73.2% Keywords—image processing; classification; butterflies; color features; features extraction
Traffic Sign Detection Using Region And Corner Feature Extraction Method Hendra Maulana; Yudha Kartika, Dhian Satria; Riski, Agung Mustika; Nurlaili, Afina Lina
IJCONSIST JOURNALS Vol 3 No 1 (2021): September
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3139.835 KB) | DOI: 10.33005/ijconsist.v3i1.54

Abstract

Traffic signs are an important feature in providing safety information for drivers about road conditions. Recognition of traffic signs can reduce the burden on drivers remembering signs and improve safety. One solution that can reduce these violations is by building a system that can recognize traffic signs as reminders to motorists. The process applied to traffic sign detection is image processing. Image processing is an image processing and analysis process that involves a lot of visual perception. Traffic signs can be detected and recognized visually by using a camera as a medium for retrieving information from a traffic sign. The layout of different traffic signs can affect the identification process. Several studies related to the detection and recognition of traffic signs have been carried out before, one of the problems that arises is the difficulty in knowing the kinds of traffic signs. This study proposes a combination of region and corner point feature extraction methods. Based on the test results obtained an accuracy value of 76.2%, a precision of 67.3 and a recall value of 78.6.
Digital Image Segmentation Resulting from X-Rays of Covid Patients using K-Means and Extraction Features Method Dhian Satria Yudha Kartika; Anita Wulansari; Hendra Maulana; Eristya Maya Safitri; Faisal Muttaqin
IJCONSIST JOURNALS Vol 3 No 1 (2021): September
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (970.953 KB) | DOI: 10.33005/ijconsist.v3i1.55

Abstract

The COVID-19 pandemic has significant impact on people's lives such as economic, social, psychological and health conditions. The health sector, which is spearheading the handling of the outbreak, has conducted a lot of research and trials related to COVID-19. Coughing is a common symptoms among humans affected by COVID-19 in earlier stage. The first step when a patient shows symptoms of COVID-19 was to conduct a chest x-ray imaging. The chest x-rayss can be used as a digital image dataset for analysing the spread of the virus that enters the lungs or respiratory tract. In this study, 864 x-rays were used as datasets. The images were still raw, taken directly from Covid-19 patients, so there were still a lot of noise. The process to remove unnecessary images would be carried out in the pre-processing stage. The images used as datasets were not mixed with the background which can reduce the value at the next stage. All datasets were made to have a uniform size and pixels to obtain a standard quality and size in order to support the next stage, namely segmentation. The segmentation stage of the x-ray datasets of Covid-19 patients was carried out using the k-means method and feature extraction. The Confusion Matrix method used as testing process. The accuracy value was 78.5%. The results of this testing process were 78.5% of precision value, 78% of recall and 79% for f-measure
Performance of Contrast Adjustment Techniques on The Face Recognition Method with Test Data Under Varying Lighting Conditions Nugroho, Budi; Maulana, Hendra; Yuniarti, Anny
IJCONSIST JOURNALS Vol 6 No 2 (2025): March
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijconsist.v6i2.130

Abstract

In the face recognition process influenced by lighting, the application of the image enhancement process at the preprocessing stage plays an important role in normalizing image contrast so that the quality of the input image becomes better. This step is expected to improve face recognition performance. In this study, we implement a lighting-influenced face recognition method, namely Robust Regression, and test several image enhancement techniques in the preprocessing phase to determine their effects on face recognition performance under different image lighting conditions, including Contrast-limited Adaptive Histogram Equalization (CLAHE), Histogram Equalization (Histeq), and Image Intensity Adjustment (Imadjust). HE uses a global technique that adjusts the overall intensity of the image. CLAHE uses a local technique that adjusts the intensity of pixels based on their surrounding areas. Meanwhile, the Imadjust function adjusts the intensity of image pixels based on the specified minimum and maximum values. The experiment is conducted using the AR Face Database which contains images affected by lighting factors. Lighting conditions include several categories, namely low, medium, high, and very high (extreme) lighting conditions. The experimental scenario is carried out by comparing the results of face recognition using several preprocessing techniques on each test data. The experimental results show that image enhancement techniques improve the performance of face recognition. The face recognition approach that adds the CLAHE technique to the preprocessing shows the highest performance of 95.87%. Meanwhile, the face recognition approach that adds the Imadjust technique to the preprocessing shows the lowest performance of 84.38%.
Co-Authors A. Malik Haramain Abd. Ghofar Abd. Ghofar Abdurrahman Al Hakim Abyansyah Hayyu Sarwono Abyansyah Hayyu Sarwono Achmad Dhany Adam Mu'arif Achmad F, Kemas Achmad Junaidi Achmad Syaifulloh Adelia Agatha Futti Adham Roy Bhafiel Adisty Nadyra Kristianti Adithya Daffa Rabbani Ady F, Rahmad Afandy Yosediputra Afif A, Dana Afitra Azzahra Agus Zainal Arifin Agussalim Agussalim, Agussalim Agustin, Risda Rosdiana Ahmad Haikal Nuqqy Zahhar Ahmad Muhajir, Ahmad Ajeng Arum Isfania Ajeng Arum Isfania Aji Bimantoro Aji Prayoga Akbar, Fawwaz Ali Alfiani, Fina Ali Fikri, Yudistia Teguh Alif Syahda Adji Masyuri Alifiah Wulansari Mustofa Alit, Ronggo Althafiansyah, Rafif Althafiansyah, Rafif Zaidan Alvina Widya Oktaviani Alviro, Muhammad Rafli Amanda Amelia S Ananda Asa Firstha Affandi Anandah Amirah Andhika Yudha Fachriza Andhika Yudha Fachriza Andi M. A. K. Parewe Andini Rahmawati Andreas Nugroho Sihananto Angga, Angga Rahmad Purnama Anggit Suryan Rohyan Anggraini Puspita Sari Ani Dijah Rahajoe Aniisah Eka Rahmawati Anita Wulansari Annis Oktaviani Anny Yuniarti Anugrah Prasetya, Rajawali Shatika Aprilia Verlianti Aprilia, Erica Aprilia, Salma Ardela Putri Amalia Ardhelia Damayanti Wirawan Ariansyah, Fery Almas Aris Sutejo Arnandhia Fatimah Azzahra Arya Dharma Syahputra Aziz, Muhammad Hilmy Azizah, Ratih Nuur Azizullah, Dana Afif Badriah, Lailatul Baehaqi Bagus Sutikno Putra Basuki Rahmat Masdi Siduppa Bisyrul Kafi I. A. Budi Nugroho Cahya Rafiyoga Harnan Chiristian K Chulaisy Meidianto Citra, Delia Darlis Herumurti Davina Azalia Erson Dewanti, Felicitas Deru Dewi Puji Arofah Dharmawan, Tsalis Rahmad Dhian Satria Yudha Dhian Satria Yudha K. Dhian Satria Yudha Kartika Dian Anisa Raya Diana Aqidatun Nisa Dianto, Alfian Rachmad Dimas Arif Setyawan Dimas Arif Setyawan Dini Adni Navastara, Dini Adni Dita Atasa Diva Faridathul Ilmi Diva Rihhadatul ‘Aisy Divana Hikmala Salsabila Puteri Dr. Basuki Rahmat DWI LESTARI, WAHYU Dwi Rahma Putri, Septiani Dwi Yanti Margareta Dwiki Aditama Supangkat Eka Prakarsa Mandyartha Eka Prakarsa Mandyartha, Eka Eristya Maya Safitri Ernik Ernawati Eva Yulia Puspaningrum Evan Saka Akhfan Fadhilah Labibah Nurjanah Fahmi Anugrah Danendra Fairuz Sany Faisal Muttaqin Faisal Muttaqin Fakhiroh, Luqy Aizzatul Farrel Tiuraka Vierino Fatchur Rozci Fatimah Azzahra Fatinena Candra Tribuana Fatma Endah Cahyaningrum Febriansyah, Rahmad Ady Fetty Tri Anggraeny Figo Afriansyah Fikri, Kemas Achmad Firya Nadhira Firza Prima Aditiawan Fitri, Anivea Fachmi Nur Fitrianata, Muhammad Ikhsan Galan Ahmad Defanka Ghea Lintang Samputri Girycki Sana Aleffin Gusti Eka Yuliastuti Hafid Akmal Alamsah Hakim Bima Ardimas Alam Hakim Bima Ardimas Alam Hamida Seftilutfiana Hana Safira Hidayat Handayani, Alfia Indah Handika, I Putu Susila Hannah Emmanuella Delia Hannah Emmanuella Delia Hapsari Wiji Utami Hayu Desthia Hena Elizabet Herawati, Yoshi Inne Herlin Dwi Dita Tamtamalia I Gusti Agung Socrates Adi Guna I Kadek Susila Satwika I Kadek Susila Satwika I Putu Susila Handika idhom, Mohammad Ignatius Bramantya Prasetyo Dewa Ignatius Bramantya Prasetyo Dewa Ilham Rahmatullah Ilham Rahmatullah Indra Rasendriya Pratama Indra Rasendriya Pratama Intan Mitayani Irawati Irawati Ismiatul Ilmiah Ivan Ardiansyah J.A. Jelita Srikandi Pertiwi Jonathan Christianto Wibowo Karina, Febrian Agung Dwi Kartika, Dhian Satri Yudha Kartini Kartini Kenneth Ephram Singarimbun KEZIA, KEZIA Khofiatul Rosdiana Windiarti Kowi Akbar Prasetya Kurnia Rafif Shanika Kurniawan, Satria Fajar Dwi KY Margiati, KY Laksamana Zulfikar Satria Decca Harits Latif Ahmad Fauzan Laycha Nazila Supoyo Putri Leli Lestari Lestari, Mufida Diah Lina Nurlaili , Afina Listiasari, Rani Lizard Sambawo Dimara, Denis Ma'ruf, Hafidz Mabruri, Kemal Al Kautsar Made Hanindia Prami Swari Mandyartha, Eka Prakarsa Mannan, Abd Margarita, Devina Mastar Asran Maulana Hassan Sechuti Maulana, M. Abizzar Maulidia Zalsa Wicahyo Putri Meimy Ratnakanyaka Merlina Aris Miftah Nur Miftakhul Jannah Moch. Rafie Pratama Mochammad Rayhan Faujan Mohamad Fikri Azam Mohamad Fikri Azam Mohamad Ilham Prasetyo Raharjo Mohammad Faisal Riftiarrasyid Moy Yustiwa Muhammad Bagas Ikmal Rifki Muhammad Fabbian Rachmansyah Muhammad Imam Haramain Muhammad Muharrom Al Haromainy Muhammad Rizki Firmansyah Muhammad Rizki Firmansyah Muttaqin, Faisal Muttaqin, Faisal Myrilla, Nadiyah Nadya Putri Najwa Belvana Nakrowiyah, Finda Rohmatin Narendra Pasha Maulana Naufal Hilmy Fauzan Nazhmi Fadhil Neri Gareta Bintang Armevia Nidya Arum Niken Hefa Zakkiya Nina Zenitha Sekar Sari Nira Fitryani Nirwana Septania Galih Perwira Moekti Nirwana Septania Galih Perwira Moekti Nisa', Choirun Nor Anisa Nugroho Sihananto, Andreas Nur Indah Fatmala Nur Mila Eka Zaliyanty Nur Vita Dewan Tari Nurdianto, Muhammad Akbar Nurhaliza, Risma Nurlaili, Afina Lina Nurmanida Azizah Nuha Nurul Wasiela Nuryananda, Praja Firdaus Octaviani, Vincentia Indri Pradana, Jauhari Achmad Pratama Diko Marindo Pratama, Gede Ardi Pratiwi, Iramandha Putri Priza Pandunata Putra, Chrystia Aji Putri, Desya Ristya Rafael Octava Brilliante Rafli Aprilian Firmansyah Rahmadewi, Cynthia Dwi Ratna Yulistiani Reygita Arintya Ayu Pramesti Reynaldi Rizky Utomo Richul Munawaroh Rinda Purwati Rindyi Putri Lestari Riski, Agung Mustika Rizka Fadhillah, Irnanda Rizki, Agung Mustika Rizqy Ahsana Putri Rohyan, Anggit Suryan Rolando Limantara, Kristian Ronggo Alit Rozy, Achmad Safana, Tsabita Safira Kusmindasari, Anggun Safira Salma Azzahra Salsabila Firdaus Saputra, Alvin Rama Sari, Lintang Satria Fajar Dwi Kurniawan Satria Yudha Kartika , Dhian Satwika, I Kadek Susila Sefiko Putra, Benedictus Renee Shabirina Laila Azka Shafa Diva Syaharani Shafira Rahmawati Sharla Putri Aisha Sheidy Yudhiasta Sijabat, Riris Oktauli BR Siti Mi’Danur Rahmah Sri Trisnaningsih Sri Utami Bina Wijayanti Sufi Miftakhoneki Sufi Miftakhoneki Sugiarto, Mercy Aulia Sugiarto, Sugiarto Sugiyanto, Edi Sulastri Sulastri Syaifullah Jauharis Saputra, Wahyu Syarifuddin Aryasatya Nugraha Tarissa Satya Laksmi Triyana, Dimas Tsabita Safana Mustofa Utami, Hapsari Wiji Vita Via, Yisti Vivi Aprilliya Ningsih Vynka Zahira Sausan Wahyu Dwi Lestari Wardhani, Lintang Sari Putri Wicaksa Putra Pribadi, Achareeya Widyana Dini Maylinda Widyana Dini Maylinda Wiji Utami, Hapsari Wilda Cahyani Sukma Wirya Atmaja, Pratama Wisnu Wardana, Mahendra Yemima Dya Novitasari Yisti Vita Via Yisti Vita Via Yisti Vita Via Yisti Vita Via Yolanda Irfania Yolanda Irfania Yudha K., Dhian Satria Yudiasta, Sheidy Yurisa Wianuari Zacky Yaser Malik Gumiwang Zein, Isynariyah Zumrotul Liana Putri Zumrotul Liana Putri