Semantic Guided Human Matting (default)
C++ (Windows, Linux, MacOS / CUDA and Metal accelerated) port of https://github.com/cxgincsu/SemanticGuidedHumanMatting.
Example Input & Outputs
Inputs | Outputs |
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Demo Code
1#include "blace_ai.h"
2#include <opencv2/opencv.hpp>
3
4// include the models you want to use
5#include "sghm_v7_default_v1_ALL_export_version_v17.h"
6
7int main() {
8 ::blace::workload_management::BlaceWorld blace;
9 // register model at server
10 blace::util::registerModel(sghm_v7_default_v1_ALL_export_version_v17,
11 blace::util::getPathToExe());
12
13 // load image into op
14 auto exe_path = blace::util::getPathToExe();
15 std::filesystem::path photo_path = exe_path / "person.jpg";
16 auto world_tensor_orig =
17 CONSTRUCT_OP(blace::ops::FromImageFileOp(photo_path.string()));
18
19 // interpolate to size consumable by model
20 auto interpolated = CONSTRUCT_OP(blace::ops::Interpolate2DOp(
21 world_tensor_orig, 512, 896, blace::ml_core::BICUBIC, false, true));
22
23 // construct model inference arguments
24 blace::ml_core::InferenceArgsCollection infer_args;
25 infer_args.inference_args.device = blace::util::get_accelerator().value();
26
27 // construct inference operation
28 auto infer_op = CONSTRUCT_OP(
29 blace::ops::InferenceOp(sghm_v7_default_v1_ALL_export_version_v17_IDENT,
30 {interpolated}, infer_args, 0));
31
32 // normalize matte to zero-one range
33 auto normalized_matte = CONSTRUCT_OP(
34 blace::ops::MapToRangeOp(infer_op, blace::ml_core::ZERO_TO_ONE));
35
36 // construct evaluator and evaluate to cv::Mat
37 blace::computation_graph::GraphEvaluator evaluator(normalized_matte);
38 auto cv_result = evaluator.evaluateToCVMat().value();
39
40 // multiply for plotting
41 cv_result *= 255.;
42
43 // save to disk and return
44 auto out_file = exe_path / "matte.png";
45 cv::imwrite(out_file.string(), cv_result);
46
47 return 0;
48}
Follow the 5 minute instructions to build and run the demo.
Tested on version v0.9.51 of blace.ai sdk. Might also work on newer or older releases (check if release notes of blace.ai state breaking changes).
Artifacts
Payload | Demo Project | Header |