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Journal : Jurnal Teknik Informatika (JUTIF)

Enhancing MPEG-1 Video Quality Using Discrete Wavelet Transform (DWT) with Coefficient Factor and Gamma Adjustment Krismawan, Andi Danang; Susanto, Ajib; Rachmawanto, Eko Hari; Muslih, Muslih; Sari, Christy Atika; Ali, Rabei Raad
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 2 (2025): JUTIF Volume 6, Number 2, April 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.2.4422

Abstract

Low-quality video caused by compression artifacts, noise, and loss of detail remains a significant challenge in video processing, affecting applications in streaming, surveillance, and medical imaging. Existing enhancement techniques often struggle with excessive noise amplification or high computational complexity, making them inefficient for real-time applications. This study proposes an improved video enhancement method using Discrete Wavelet Transform (DWT) with optimized coefficient factor and gamma adjustment. DWT is a mathematical approach that decomposes video frames into frequency subbands, enabling selective enhancement of important details. To analyze the impact of different wavelets, this study evaluates Coif5, db1, sym4, and sym8 wavelets. The sym8 wavelet, known for its high symmetry and ability to minimize artifacts, achieves the best results in preserving fine details and structural integrity. The coefficient factor is dynamically adjusted to sharpen details while preventing noise amplification, and gamma adjustment is applied to optimize brightness and contrast. The proposed method was evaluated using Mean Squared Error (MSE), Peak Signal-to-Noise Ratio (PSNR), and Structural Similarity Index (SSIM). Experimental results show that sym8 wavelet with gamma 0.7 and coefficient factor 0.3 provides the best balance, achieving an MSE of 0.062, a PSNR of 12.050 dB, and an SSIM of 0.674, outperforming Coif5, db1, and sym4 wavelets. The results indicate that wavelet selection significantly impacts video enhancement performance, with sym8 providing superior contrast enhancement and noise suppression. This study contributes to real-time video processing and AI-based applications, ensuring enhanced visual quality with minimal computational overhead.
Co-Authors Abdullah Firdaus Abdullah, Rizal Rahman Abdussalam Abdussalam Abi Senoprabowo Abu Hapsin Adha, Adinda Febriana Adinda Kurnia Putri Aditia Arief Firmanto Afida Nadzirotul Ummah Aghnia Meilana Putri Agus Winarno, Agus Agustin, Bustanil Ilmi Ahmad Sudirman Abbas Ahmad, Nur Cholis Ahyar Ahyar Ajib Susanto Akbar Habib, Akbar Akbarizan Akbarizan Akel Fernando Akhmad Sobarna Akmal Abdul Munir ALI MUQODDAS Ali, Irfdan Muiz Ali, Rabei Raad Alvian Ideastari, Nukat Alzami, Farrikh Anas Anas, Anas Andi Marwan Andi Setiawan Angga Erlando Ani Haryati Arief Soeleman, M Arif Mahdiana, Arif Asih Rohmani, Asih Atika Amelia Putri Aulya, Aisyah Safna Aziza, Azmirda Fatma Azoya, Azoya Budi, Setyo Cahyo, Tri Nur Candra Irawan Charisma, Muhammad Ryan Christy Atika Sari Danang Krismawan, Andi Darmawan, Andre Dedi Supriadi Dewi Nugrayani Dwi Puji Prabowo Dwi Puji Prabowo, Dwi Puji Dyahruri Sanjayasari Edi Faisal Edi Sugiarto Efendi, Nurlis Ekasanti, Anandita Eko Hari Rachmawanto Elkaf Rahmawan Pramudya Emyliana Listiowati Emyliana Listiowati, Emyliana Endang Hilmi Esa, Yuzine Fahmi Amiq Fahrudin Fahrudin Faqih, Achmad Faridi Faridi Fauziah, Arum Fikri Budiman Fikrian Syauqi Santoso Fikriyya, Nabela Firmansyah, Moch. Fahmi Fitriadi, Ren Gultom, Noris Hamdun, Kamal Hamidah, Amirotun Haqq, Muhammad Valiyyul Hastuti, Dewi Wisudyanti Budi Hawari , Abidzar Hermanto Hermanto Hisbullah Huda Ibrahim, Mohd Hairy Ifan Rizqa Ihya Ulumuddin, Dimas Irawan Imawan, Iswanda Irwan Hidayatullah, Irwan Isnandane , Laura Firda Jaenudin , Amran Jera, Almi Jufrizen Junaidi, Teuku Junilia, Elsy Kamalin, Muhammad Karis Widyatmoko Kasprijo, Kasprijo Khairil Anwar Khamadi Khamadi Khamadi Kiky Mentari Kinanty, Septyana Retno Krismansyah, Krismanyah Krismawan, Andi Danang Kurnia, Adinda L. Budi Handoko Lalang Erawan Lesmana, Muhammad Taufik Lilik Kartika Sari Lilik Kartika Sari, Lilik Kartika Luthfan, M. Aqil Maemunah , Maemunah Mardliyah, Muna Karimatal Martinouva, Rissa Afni Maya Sari Megantara, Rama Aria Milla Ahmadia Apologia Mirasari, Titi Muchamad Ishak Muhamad Baedowi Muhammad Irfan Nasution Muhammad Kadafi Muliawan, Chandra Mulyani, Nisa utri Muthohharoh, Niswatun Nabela Fikriyya Nafsha Atika Putri Nisa', Khoirotin Noor Hasyim Norman Arie Prayogo, Norman Arie Novebri, Rizky Astri Novi Hendriyanto, Novi Nugraini, Siti Hadiati Nugrayani, Dewi Nuning Vita Hidayati Nurhindarto, Aris Nurjihan, Haniah Istiqomah Nurul Islamiyah PBL, Ashiva Jingga Perdana, Andre Pebrian Pernando, Akel Prawoto, Imam Putra, Firman Surya Putra, Rifky Raihady Danu Putri, Ananda Mutiara Putri, Atika Amelia Putri, Desta Fatma Putri, Nafsha Atika Qudsiyah, Nadhifatul Qurrotaa'yun, Nur Radiman Radiman Rafidah, Farah Raharja, Ferry Cahya Rahman Rahman Rahmawan P, Elkaf Raihan, Muhamad Ratnasari, Iis Rico Rian Alvian Rifqi, Arina Fadlilatar Rini Anggraeni Rismansa, Alya Tsabitah Riviani Riviani, Riviani Rizqy, Aditya Rochmawati, Lulur Romelah Romelah S.A.P., Rangga Sa’adillah Sanjaya, Riko Rahmadany Santoso, Fikrian Syauqi Saragih, Ivan Alghifari Sari, Fitra Amalia Sejati, Priska Trisna Septiyaningsih, Rina Sesilia Rani Samudra Setyawan, Rahmad Shofiyuddin, Ahmad Siraj, Taufik soedibya, petrus Soedibya, Petrus Hary Tjahja Soeleman, Arief Sri Marnani Suhaemin, Amin Suharnawi Suharnawi Sunarya, Fitri Rachmiati Supriyono Asfawi Surbakti, Dona Doni Syah, Moch. Fahmi Firman Syakuri, Hamdan Tohir Tohir, Tohir Tri Nur Cahyo Ubaidillah, Ibnu Ummah, Afida Nadzirotul Wibowo, Mahbub Fuad Widayanto, Imanuel Eka Widyatmoko Karis Wiyarsih, Nani Wulansari, Novia Wahyu Yahya, Reza Yasrin Musthafa Bachri Yogi Atma Satria Yundari, Yundari Zaenal Arifin Zam Ani, Ahmad Faisal