1. A method for capturing data of a predetermined volume portion of an object under examination by an x-ray system, the x-ray system comprising an x-ray source and a detector, the method comprising: generating x-rays that emerge from the x-ray source, radiate through the predetermined volume portion, and after radiating through, impinge on the detector, the generating comprising activating the x-ray source; and capturing the data of the predetermined volume, the capturing of the data comprising capturing pixel by pixel the x-rays impinging on the detector, wherein with the pixel-by-pixel capture, only a subset of all of the pixels of the detector are evaluated.