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<p>Select the blurring effect to apply to image.</p><p><b>Zoom Blur</b>: blurs the image along radial lines starting from a specified center point. This simulates the blur of a zooming camera.</p><p><b>Radial Blur</b>: blurs the image by rotating the pixels around the specified center point. This simulates the blur of a rotating camera.</p><p><b>Far Blur</b>: blurs the image by using far pixels. This simulates the blur of an unfocalized camera lens.</p><p><b>Motion Blur</b>: blurs the image by moving the pixels horizontally. This simulates the blur of a linear moving camera.</p><p><b>Softener Blur</b>: blurs the image softly in dark tones and hardly in light tones. This gives images a dreamy and glossy soft focus effect. It is ideal for creating romantic portraits, glamour photographs, or giving images a warm and subtle glow.</p><p><b>Shake Blur</b>: blurs the image by shaking randomly the pixels. This simulates the blur of a random moving camera.</p><p><b>Focus Blur</b>: blurs the image corners to reproduce the astigmatism distortion of a lens.</p><p><b>Smart Blur</b>: finds the edges of color in your image and blurs them without muddying the rest of the image.</p><p><b>Frost Glass</b>: blurs the image by randomly disperse light coming through a frosted glass.</p><p><b>Mosaic</b>: divides the photograph into rectangular cells and then recreates it by filling those cells with average pixel value.</p>
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Located in
imageplugins/filters/blurfxtool.cpp:136
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355.
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Draw a preservation mask
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Located in
imageplugins/transform/contentawareresizetool.cpp:304
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364.
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Norm of luma gradient
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Located in
imageplugins/transform/contentawareresizetool.cpp:348
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369.
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Enable this option to preserve pixels whose color is close to a skin tone.
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Located in
imageplugins/transform/contentawareresizetool.cpp:357
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Use this value to give a negative bias to the seams which are not straight. May be useful to prevent distortions in some situations, or to avoid artifacts from pixel skipping (it is better to use low values in such case). This setting applies to the whole selected layer if no rigidity mask is used. Note: the bias is proportional to the difference in the transversal coordinate between each two successive points, elevated to the power of 1.5, and summed up for the whole seam.
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Located in
imageplugins/transform/contentawareresizetool.cpp:375
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373.
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This option lets you choose the maximum transversal step that the pixels in the seams can take. In the standard algorithm, corresponding to the default value step = 1, each pixel in a seam can be shifted by at most one pixel with respect to its neighbors. This implies that the seams can form an angle of at most 45 degrees with respect to their base line. Increasing the step value lets you overcome this limit, but may lead to the introduction of artifacts. In order to balance the situation, you can use the rigidity setting.
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Located in
imageplugins/transform/contentawareresizetool.cpp:389
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375.
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During the carving process, at each step the optimal seam to be carved is chosen based on the relevance value for each pixel. However, in the case where two seams are equivalent (which may happen, for instance, when large portions of the image have the same color), the algorithm always chooses the seams from one side. In some cases, this can pose problems, e.g. an object centered in the original image might not be centered in the resulting image. In order to overcome this effect, this setting allows the favored side to be switched automatically during rescaling, at the cost of slightly worse performance.
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Located in
imageplugins/transform/contentawareresizetool.cpp:404
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616.
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<p>The quality value for PGF images:</p><p><b>1</b>: high quality (no compression and large file size)<br/><b>3</b>: good quality (default)<br/><b>6</b>: medium quality<br/><b>9</b>: low quality (high compression and small file size)</p><p><b>Note: PGF is not a lossless image compression format when you use this setting.</b></p>
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Located in
libs/dimg/loaders/pgfsettings.cpp:82
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623.
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<b>Threshold</b>: Adjusts the threshold for denoising of the image in a range from 0.0 (none) to 10.0. The threshold is the value below which everything is considered noise.
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Located in
libs/dimg/filters/nr/nrsettings.cpp:110
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624.
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<b>Softness</b>: This adjusts the softness of the thresholding (soft as opposed to hard thresholding). The higher the softness the more noise remains in the image.
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Located in
libs/dimg/filters/nr/nrsettings.cpp:114
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