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      1 /*
      2  * cv_image_deblurring.h - iterative blind deblurring
      3  *
      4  *  Copyright (c) 2016-2017 Intel Corporation
      5  *
      6  * Licensed under the Apache License, Version 2.0 (the "License");
      7  * you may not use this file except in compliance with the License.
      8  * You may obtain a copy of the License at
      9  *
     10  *   http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software
     13  * distributed under the License is distributed on an "AS IS" BASIS,
     14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  * See the License for the specific language governing permissions and
     16  * limitations under the License.
     17  *
     18  * Author: Andrey Parfenov <a1994ndrey (at) gmail.com>
     19  * Author: Wind Yuan <feng.yuan (at) intel.com>
     20  */
     21 
     22 #ifndef XCAM_CV_FEATURE_DEBLURRING_H
     23 #define XCAM_CV_FEATURE_DEBLURRING_H
     24 
     25 #include <xcam_std.h>
     26 #include <video_buffer.h>
     27 #include <ocl/cv_base_class.h>
     28 #include <ocl/cv_image_process_helper.h>
     29 #include <ocl/cv_image_sharp.h>
     30 #include <ocl/cv_edgetaper.h>
     31 #include <ocl/cv_wiener_filter.h>
     32 
     33 namespace XCam {
     34 
     35 struct CVIDConfig {
     36     int iterations;            // number of iterations for IBD algorithm
     37 
     38     CVIDConfig (unsigned int _iterations = 50)
     39     {
     40         iterations = _iterations;
     41     }
     42 };
     43 
     44 class CVImageDeblurring : public CVBaseClass
     45 {
     46 
     47 public:
     48     explicit CVImageDeblurring ();
     49     void set_config (CVIDConfig config);
     50     CVIDConfig get_config ();
     51     void blind_deblurring (const cv::Mat &blurred, cv::Mat &deblurred, cv::Mat &kernel, int kernel_size = -1, float noise_power = -1.0f, bool use_edgetaper = true);
     52 
     53 private:
     54     void blind_deblurring_one_channel (const cv::Mat &blurred, cv::Mat &kernel, int kernel_size, float noise_power);
     55     int estimate_kernel_size (const cv::Mat &blurred);
     56     void crop_border (cv::Mat &image);
     57 
     58     XCAM_DEAD_COPY (CVImageDeblurring);
     59 
     60     CVIDConfig                          _config;
     61     SmartPtr<CVImageProcessHelper>      _helper;
     62     SmartPtr<CVImageSharp>              _sharp;
     63     SmartPtr<CVEdgetaper>               _edgetaper;
     64     SmartPtr<CVWienerFilter>            _wiener;
     65 };
     66 
     67 }
     68 
     69 #endif // XCAM_CV_IMAGE_DEBLURRING_H
     70