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This research explores the application of the Problem-Based Learning (PBL) model to improve the quality of digital image processing learning in the Informatics Engineering Study Program. Through in-depth interviews, observations, and document analysis, this research shows that PBL has a positive impact on students' conceptual understanding, technical skills, and involvement in the learning process. Nevertheless, challenges such as planning relevant learning problems and evaluating the learning process were also identified. Support and training are needed for lecturers to overcome these challenges. These findings provide valuable insights for the development of problem-based teaching practices in the context of digital image processing.  

The aim of this research is to determine the improvement in learning outcomes of students in classes X.3 and X.7 at UPT SMA Negeri 3 Maros in biology lessons by applying the Problem Based Learning learning model. The research method used is Classroom Action Research (PTK) which has been carried out in 2 cycles. The subjects taken in this research were classes X.3 and X.7 at UPT SMA Negeri 3 Maros for the 2023/2024 academic year. The data collection techniques in this research are (1) Observation, (2) Documentation, (3) Test. Based on the research results, it can be concluded that Problem Based Learning is relevant and effective for use in student and teacher activities in the teaching process in the classroom.