#summary Resize Filters. #labels Documentation == Introduction == This page demonstrates the results of resampling different images using various resize filters. Images used for the test: || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3.jpg] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5.jpg] || The width of the filters are: || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || 0.5 || 1.0 || 1.5 || 3.0 || 5.0 || The parameters used for the Kaiser filter are: {{{ alpha = 4 stretch = 1 }}} == Test 1 == Downsampling without gamma correction. === 0.7 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_07_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_07_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_07_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_07_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_07_kaiser.png] || === 0.5 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_05_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_05_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_05_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_05_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_05_kaiser.png] || === 0.3 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_03_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_03_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_03_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_03_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test1_03_kaiser.png] || == Test 2 == Downsampling with gamma correction. Gamma is set to 2.2. === 0.7 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_07_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_07_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_07_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_07_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_07_kaiser.png] || === 0.5 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_05_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_05_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_05_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_05_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_05_kaiser.png] || === 0.3 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_03_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_03_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_03_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_03_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test2_03_kaiser.png] || == Test 3 == Downsampling without gamma correction. === 0.7 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_07_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_07_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_07_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_07_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_07_kaiser.png] || === 0.5 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_05_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_05_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_05_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_05_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_05_kaiser.png] || === 0.3 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_03_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_03_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_03_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_03_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test3_03_kaiser.png] || == Test 4 == Downsampling with gamma correction. Gamma is set to 2.2. === 0.7 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_07_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_07_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_07_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_07_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_07_kaiser.png] || === 0.5 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_05_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_05_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_05_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_05_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_05_kaiser.png] || === 0.3 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_03_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_03_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_03_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_03_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test4_03_kaiser.png] || == Test 5 == Downsampling with gamma correction. Gamma is set to 2.2. === 0.7 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_07_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_07_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_07_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_07_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_07_kaiser.png] || === 0.5 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_05_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_05_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_05_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_05_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_05_kaiser.png] || === 0.3 scale factor === || *Box* || *Triangle* || *Quadratic* || *Lanczos* || *Kaiser* || || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_03_box.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_03_triangle.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_03_quadratic.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_03_lanczos.png] || [http://nvidia-texture-tools.googlecode.com/svn/wiki/imgs/test5_03_kaiser.png] ||