Yes, use the Image panel to adjust gamma, black point and white point.
To work with a single channel on a multichannel image:
- Open the multichannel image and go to Image>Tool panels>Adjust (outside of the 3D visualization window).
- In the Image Adjustment window, select a channel.
- In the 3D Visualization window, click Image to view the Image panel:
- Click the Image Sync with 2D button (located at the bottom of the panel) to apply the changes made in Image Adjustment.
- Use the sliders to adjust gamma, black point and white point.