https://community.intel.com/t5/Intel-Integrated-Performance/How-to-calculate-valSqrSigma-and-posSqrSigma/m-p/1650395#M28944 <P><STRONG class="sub_section_element_selectors"><SPAN class="sub_section_element_selectors">valSqrSigma</SPAN></STRONG>: This parameter represents the variance of the function applied to the intensity differences. It controls the degree of smoothing based on the intensity differences between pixels. A higher value results in more smoothing.</P> <P><STRONG class="sub_section_element_selectors"><SPAN class="sub_section_element_selectors">posSqrSigma</SPAN></STRONG>: This parameter represents the variance of the&nbsp; function applied to the spatial distance between pixels. It controls the degree of smoothing based on the spatial distance. A higher value results in more spatial smoothing.</P> <P>&nbsp;</P> <P><SPAN>valSqrSigma = 400.0f and posSqrSigma = 100.0f aren't suitable for all types of images, to define the parameters, you need to set them according to the desired level of smoothing for your application</SPAN></P> Wed, 18 Dec 2024 07:27:11 GMT Ruqiu_C_Intel 2024-12-18T07:27:11Z https://community.intel.com/t5/Intel-Integrated-Performance/How-to-calculate-valSqrSigma-and-posSqrSigma/m-p/1650113#M28941 <P>I reviewed the "FilterBilateralBorder" example in the following link:<BR /><BR /><A href="http://I%20reviewed the &quot;FilterBilateralBorder&quot; example in the following link: https://www.intel.com/content/www/us/en/docs/ipp/developer-guide-reference/2021-12/filterbilateralborder.html In this example, the input image dimensions are 128 (width) x 64 (height), and the values for valSqrSigma and posSqrSigma are set to 400.0f and 100.0f, respectively. How are the values of valSqrSigma and posSqrSigma determined? Are they based on the image size or other factors? Alternatively, are the values valSqrSigma = 400.0f and posSqrSigma = 100.0f suitable for all types of images?" target="_self">https://www.intel.com/content/www/us/en/docs/ipp/developer-guide-reference/2021-12/filterbilateralborder.html</A><BR /><BR /></P><P>In this example, the input image dimensions are 128 (width) x 64 (height), and the values for <STRONG>valSqrSigma and posSqrSigma</STRONG> are set to 400.0f and 100.0f, respectively.<BR /><BR /></P><P>How are the values of <STRONG>valSqrSigma and posSqrSigma</STRONG> determined? Are they based on the image size or other factors?</P><P>Alternatively, are the values valSqrSigma = 400.0f and posSqrSigma = 100.0f suitable for all types of images?</P> Tue, 17 Dec 2024 09:39:16 GMT https://community.intel.com/t5/Intel-Integrated-Performance/How-to-calculate-valSqrSigma-and-posSqrSigma/m-p/1650113#M28941 vikiR 2024-12-17T09:39:16Z https://community.intel.com/t5/Intel-Integrated-Performance/How-to-calculate-valSqrSigma-and-posSqrSigma/m-p/1650395#M28944 <P><STRONG class="sub_section_element_selectors"><SPAN class="sub_section_element_selectors">valSqrSigma</SPAN></STRONG>: This parameter represents the variance of the function applied to the intensity differences. It controls the degree of smoothing based on the intensity differences between pixels. A higher value results in more smoothing.</P> <P><STRONG class="sub_section_element_selectors"><SPAN class="sub_section_element_selectors">posSqrSigma</SPAN></STRONG>: This parameter represents the variance of the&nbsp; function applied to the spatial distance between pixels. It controls the degree of smoothing based on the spatial distance. A higher value results in more spatial smoothing.</P> <P>&nbsp;</P> <P><SPAN>valSqrSigma = 400.0f and posSqrSigma = 100.0f aren't suitable for all types of images, to define the parameters, you need to set them according to the desired level of smoothing for your application</SPAN></P> Wed, 18 Dec 2024 07:27:11 GMT https://community.intel.com/t5/Intel-Integrated-Performance/How-to-calculate-valSqrSigma-and-posSqrSigma/m-p/1650395#M28944 Ruqiu_C_Intel 2024-12-18T07:27:11Z