GIMPSHOP REMOVE BACKGROUND WINDOWS
You can do this by: 1) selecting the move tool, and 2) in the menu bar, navigating to Windows → Dockable Dialogs → Tool Options. Then select the layer you want from the Layers dialog and move it around as you like. The general solution (besides practicing finer mouse control) is to select "Move the active layer" in the move tool options (or just hold down the Shift key when clicking), which will cause it to move the currently selected layer no matter where you click.
My idea is: for each blob I take its area and its perimeter and then make a relation between both parameters as follows: area/perimeter. The noise is usually round while the animals are elongated. With the background removed, you should see transparency around the foreground. Press the Delete key to remove the background. Now, find and select Invert to select all of the area outside of your foreground. I am trying to extract some nematodes from an image, but there is background noise. To delete the background of the current image, choose the Select menu. Since a text layer is typically mostly transparent, with only narrow opaque lines making up the text, this can sometimes make them tricky to move. Remove background noise from the shapes I want to see. To remove these pixels, click the Image > Trim option in Photoshop’s menu bar. After the background is removed, there will be empty pixels around your photo. Wait a few seconds, and Photoshop will automatically remove the background from your photo. The Eraser is used to remove areas of color from the current layer or from a selection of this layer. What this means is that, using the "Pick a layer or guide" mode of the move tool, you can only drag a layer around by its opaque parts. On the Properties panel under Quick Actions, click Remove Background. Are you sure you're clicking on the actual letters in the text? When selecting a layer to move, GIMP will pick the uppermost layer which is non-transparent 1 at the point you clicked, ignoring any transparent layers that might be on top of it.
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