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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@gmail.com>
19  * Author: Wind Yuan <feng.yuan@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