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Disabled conversion to float of model's input #25555 In dnn 4.x usually any model's input is converted to float32 or float16 (except quantized models). Also mean and scale can be applied. In current dnn 5.x there is the same conversion except int32 and int64 types. I removed this conversion. Here is how the pipeline works now: - if input Mat type is float32, the pipeline applies mean and scale and may convert it to float16. - if input Mat type is not float32, the pipeline preserves the input type and doesn't apply mean and scale There was a conflict in protobuf parser between ONNX importer and tests. In ONNX importer any uint8 weight was handled as quantized weight and x = int8(x_uint8 - 128) conversion was used inside the protobuf parser. ONNX conformance tests used the same protobuf reader, so tests with uint8 inputs couldn't read the input values properly. I've made this conversion optional. These ONNX conformance tests are enabled: - test_add_uint8 - test_div_uint8 - test_mul_uint8 - test_sub_uint8 - test_max_int8 - test_max_uint8 - test_min_int8 - test_min_uint8 - test_mod_mixed_sign_int8 - test_mod_uint8 These tests were removed: - Test_two_inputs.basic (when input is uint8) - setInput.normalization (when input is uint8) ### 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 - [ ] 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 |
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