Fix max_disp (integer subpixel accuracy)

components/rgbd-sources/src/algorithms/fixstars_sgm.cpp

@@ -12,7 +12,7 @@ using cv::Mat;
 FixstarsSGM::FixstarsSGM(nlohmann::json &config) : Disparity(config) {
 	ssgm_ = nullptr;
 	use_filter_ = config.value("use_filter", false);
-	filter_ = cv::cuda::createDisparityBilateralFilter(max_disp_, config.value("filter_radius", 25), config.value("filter_iter", 1));
+	filter_ = cv::cuda::createDisparityBilateralFilter(max_disp_ << 4, config.value("filter_radius", 25), config.value("filter_iter", 1));
 }
 
 void FixstarsSGM::compute(const cv::Mat &l, const cv::Mat &r, cv::Mat &disp) {