List of Articles Histogram Open Access Article Abstract Page Full-Text 1 - Determining the appropriate mixture of renewable energy sources in order to reduce uncertainty Amir Ghaedi Open Access Article Abstract Page Full-Text 2 - Detection of Blood Vessels in Retina Images using Gray Level Grouping Method Majid Eskandari Shahraki Mehran Emadi Open Access Article Abstract Page Full-Text 3 - Centroid Distance Shape Recognition for Real Time Low Complexity Traffic Sign Recognition Hamidreza Emami Ramin Shaghaghi Kandowan Seyyed Abolfazl Hosseini Open Access Article Abstract Page Full-Text 4 - Improving Image Quality Based on Feature Extraction and Gaussian Model Alireza Alirezaei Shahraki Mehran Emadi Open Access Article Abstract Page Full-Text 5 - Improving Face Recognition Rate Based on Histogram of Oriented Gradients and Difference of Gaussian Sahar Iranpour Mobarakeh Mehran Emadi Open Access Article Abstract Page Full-Text 6 - Visual Tracking using Learning Histogram of Oriented Gradients by SVM on Mobile Robot Iman Zabbah Shima Foolad Ali Maroosi Alireza Pourreza Open Access Article Abstract Page Full-Text 7 - Speech Separation Using Reduced Complexity DUET Algorithm in Real Environment Farinaz Ackochekian Mohsen Ashoreian Open Access Article Abstract Page Full-Text 8 - Facial Expression Recognition Using Texture and Edge Descriptors Davar Giveki Nastaran Mirzaei Open Access Article Abstract Page Full-Text 9 - License Plate Detection Using Sobel Operator Khosro Kamalatabar Malekshah Hossein Nematzadeh Homayun Motameni Open Access Article Abstract Page Full-Text 10 - Image Contrast Enhancement by using Histogram Clipping and 2-D Histogram Mahdis Golabian Azar Mahmoodzadeh Hamed Agahi 10.30495/SPRE.2024.1999407.1232