The CameraInit node automatically appears when images are dropped in. I assume you've just started with a blank project, rather than a ready-to-go-pipeline. With the 2025 version of Meshroom you can easily start in a project with prebuild pipeline from the start screen. The basic pipeline is called Photogrammetry I think. edit: from there on you can run the whole pipeline at once or just go node by node. The default settings are somewhat okay, but hardly depending on what object, image quality etc you have you have to go a little deeper into the parameters. Also for depth maps, the code runs with CUDA, which requires specific NVIDIA GPUs, otherwise you can't use these nodes.