![]() Examine your image beforehand to identify which regions you wish to dodge and burn, and use the controls on the masking tab to ensure that those areas are reasonably separated in tone within the final mask. This means that all of the pixels in each region will have their exposure adjusted similarly, without adversely affecting local contrast. It is important that the mask separates the image into regions of similar brightness, and that a suitable amount of blur is applied within those regions. For each pixel, the module looks up the brightness of the mask at that point, finds the matching brightness on the horizontal axis of the equalizer graph, and increases or decreases the exposure accordingly (using the vertical axis of the graph). The exposure of each pixel of the input image is adjusted using the mask and the equalizer graph. Similarly, in the equalizer tab, the horizontal axis of the graph corresponds to the brightness level of the mask, and the vertical axis specifies the required exposure adjustment to pixels where the mask matches that brightness level. In the simple tab, each slider corresponds to a single brightness zone (EV) in the mask, which can be raised or lowered to adjust the exposure of the image where the mask’s brightness lies in that zone. Exposure can also be adjusted by scrolling with the mouse while hovering the cursor over the preview image (see cursor indicator/control for details). The resulting mask should blur the fine details within the image so that pixels within each region are all treated similarly, preserving local contrast.Īdjust the sliders in the simple tab or the equalizer graph in the advanced tab to alter the brightness of the underlying image, based on the brightness of the mask. The following diagram describes how the tone equalizer works:Ĭreate a monochrome guided mask that divides the input image into regions of similar luminosity. ![]() It works in linear RGB space and utilizes a user-defined mask to guide the dodging and burning adjustments, helping to preserve local contrast within the image. When used together with filmic rgb, this module replaces the need for other tone-mapping modules such as the base curve, shadows and highlights, tone curve and zone system (deprecated) modules. Dodge and burn while preserving local contrast.
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