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Naresh M L 99a8d4b762 Merge pull request #27592 from Naresh-19:dnn-sample-seemore-sr
Added image super-resolution samples using seemoredetails model #27592

Based on "See More Details: Efficient Image Super-Resolution by Experts Mining" (ICML 2024)

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake

This pull request adds a new sample named seemore_superres under samples/dnn/, implemented in both Python and C++.  
The sample demonstrates image super-resolution using the Seemoredetails model with OpenCV’s DNN module.

### Files Added:
- samples/dnn/seemore_superres.cpp
- samples/dnn/seemore_superres.py
- Updated samples/dnn/models.yml

### Functionality:
- Performs image upscaling(4x) using a specified Seemoredetails ONNX model.
- Accepts image path and ONNX model path as command-line arguments.
- Outputs the original and super-resolved images side by side for visual comparison.

### Sample Usage:
*C++*

./seemore_superres --input=path/to/image.jpg
`

*Python*

python seemore_superres.py --input=path/to/image.jpg
`
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