You can use the Pillow library to convert a numpy array to a PNG image without using matplotlib. This approach provides a straightforward and efficient way to achieve the conversion.
The official Python documentation provides guidance on image conversion, including the use of libraries like Pillow for converting numpy arrays to PNG images.
This GitHub repository provides a collection of examples demonstrating how to convert numpy arrays to various image formats, including PNG, using different libraries.
The SciPy lecture notes cover the topic of saving numpy arrays as images, including the use of the Pillow library for converting arrays to PNG format.
This Real Python article provides a step-by-step guide on converting numpy arrays to PNG images using the Pillow library, including example code and explanations.
This YouTube tutorial provides a video guide on converting numpy arrays to PNG images using Python, covering the installation of required libraries and example code.
The OpenCV documentation provides information on converting numpy arrays to PNG images using the OpenCV library, which offers an alternative to using Pillow or matplotlib.
This Towards Data Science article discusses the conversion of numpy arrays to PNG images, including the use of different libraries and example code for achieving the conversion.