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| import copy | |
| import os | |
| os.system("pip uninstall -y gradio") | |
| os.system("pip install gradio==3.16.0") | |
| import torch | |
| import numpy as np | |
| import gradio as gr | |
| from spoter_mod.skeleton_extractor import obtain_pose_data | |
| from spoter_mod.normalization.body_normalization import normalize_single_dict as normalize_single_body_dict, BODY_IDENTIFIERS | |
| from spoter_mod.normalization.hand_normalization import normalize_single_dict as normalize_single_hand_dict, HAND_IDENTIFIERS | |
| model = torch.load("spoter-checkpoint.pth", map_location=torch.device('cpu')) | |
| model.train(False) | |
| HAND_IDENTIFIERS = [id + "_Left" for id in HAND_IDENTIFIERS] + [id + "_Right" for id in HAND_IDENTIFIERS] | |
| GLOSS = ['book', 'drink', 'computer', 'before', 'chair', 'go', 'clothes', 'who', 'candy', 'cousin', 'deaf', 'fine', | |
| 'help', 'no', 'thin', 'walk', 'year', 'yes', 'all', 'black', 'cool', 'finish', 'hot', 'like', 'many', 'mother', | |
| 'now', 'orange', 'table', 'thanksgiving', 'what', 'woman', 'bed', 'blue', 'bowling', 'can', 'dog', 'family', | |
| 'fish', 'graduate', 'hat', 'hearing', 'kiss', 'language', 'later', 'man', 'shirt', 'study', 'tall', 'white', | |
| 'wrong', 'accident', 'apple', 'bird', 'change', 'color', 'corn', 'cow', 'dance', 'dark', 'doctor', 'eat', | |
| 'enjoy', 'forget', 'give', 'last', 'meet', 'pink', 'pizza', 'play', 'school', 'secretary', 'short', 'time', | |
| 'want', 'work', 'africa', 'basketball', 'birthday', 'brown', 'but', 'cheat', 'city', 'cook', 'decide', 'full', | |
| 'how', 'jacket', 'letter', 'medicine', 'need', 'paint', 'paper', 'pull', 'purple', 'right', 'same', 'son', | |
| 'tell', 'thursday'] | |
| device = torch.device("cpu") | |
| if torch.cuda.is_available(): | |
| device = torch.device("cuda") | |
| def tensor_to_dictionary(landmarks_tensor: torch.Tensor) -> dict: | |
| data_array = landmarks_tensor.numpy() | |
| output = {} | |
| for landmark_index, identifier in enumerate(BODY_IDENTIFIERS + HAND_IDENTIFIERS): | |
| output[identifier] = data_array[:, landmark_index] | |
| return output | |
| def dictionary_to_tensor(landmarks_dict: dict) -> torch.Tensor: | |
| output = np.empty(shape=(len(landmarks_dict["leftEar"]), len(BODY_IDENTIFIERS + HAND_IDENTIFIERS), 2)) | |
| for landmark_index, identifier in enumerate(BODY_IDENTIFIERS + HAND_IDENTIFIERS): | |
| output[:, landmark_index, 0] = [frame[0] for frame in landmarks_dict[identifier]] | |
| output[:, landmark_index, 1] = [frame[1] for frame in landmarks_dict[identifier]] | |
| return torch.from_numpy(output) | |
| def greet(label, video0, video1): | |
| if label == "Webcam": | |
| video = video0 | |
| elif label == "Video": | |
| video = video1 | |
| elif label == "X": | |
| return {"A": 0.8, "B": 0.1, "C": 0.1} | |
| else: | |
| return {} | |
| data = obtain_pose_data(video) | |
| depth_map = np.empty(shape=(len(data.data_hub["nose_X"]), len(BODY_IDENTIFIERS + HAND_IDENTIFIERS), 2)) | |
| for index, identifier in enumerate(BODY_IDENTIFIERS + HAND_IDENTIFIERS): | |
| depth_map[:, index, 0] = data.data_hub[identifier + "_X"] | |
| depth_map[:, index, 1] = data.data_hub[identifier + "_Y"] | |
| depth_map = torch.from_numpy(np.copy(depth_map)) | |
| depth_map = tensor_to_dictionary(depth_map) | |
| keys = copy.copy(list(depth_map.keys())) | |
| for key in keys: | |
| data = depth_map[key] | |
| del depth_map[key] | |
| depth_map[key.replace("_Left", "_0").replace("_Right", "_1")] = data | |
| depth_map = normalize_single_body_dict(depth_map) | |
| depth_map = normalize_single_hand_dict(depth_map) | |
| keys = copy.copy(list(depth_map.keys())) | |
| for key in keys: | |
| data = depth_map[key] | |
| del depth_map[key] | |
| depth_map[key.replace("_0", "_Left").replace("_1", "_Right")] = data | |
| depth_map = dictionary_to_tensor(depth_map) | |
| depth_map = depth_map - 0.5 | |
| inputs = depth_map.squeeze(0).to(device) | |
| outputs = model(inputs).expand(1, -1, -1) | |
| results = torch.nn.functional.softmax(outputs, dim=2).detach().numpy()[0, 0] | |
| results = {GLOSS[i]: float(results[i]) for i in range(100)} | |
| return results | |
| label = gr.outputs.Label(num_top_classes=3, label="Top class probabilities") | |
| demo = gr.Interface(fn=greet, inputs=[gr.Dropdown(["Webcam", "Video"], label="Input source", type="value"), gr.Video(source="webcam", label="Webcam recording", type="mp4"), gr.Video(source="upload", label="Video upload", type="mp4")], outputs=label, | |
| title="", | |
| description=""" | |
| <img src="https://www.signlanguagerecognition.com/spoter-logo.png" style="width: 120px; margin-left: -5px;"> | |
| <h1 style="margin-top: -20px; color: #F7B832;">ASL Recognition Demo</h1> | |
| <details> | |
| <summary style="font-family: MonumentExpanded; font-size: 1em !important;" class="unselectable"> | |
| Instructions | |
| </summary> | |
| <ol> | |
| <li> Upload or record a video. | |
| <ul> | |
| <li> Ensure that there is only a single person in the shot. | |
| <li> The signer should be front-facing and have a calm background. | |
| </ul> | |
| <li> Click "Submit". | |
| <li> Results will appear in "Results" panel on the right shortly. | |
| </ol> | |
| </details> | |
| <details> | |
| <summary style="font-family: MonumentExpanded;font-size: 1em !important;" class="unselectable"> | |
| Privacy | |
| </summary> | |
| We do not collect any user information. The videos are deleted from our servers after the inference is completed, unless you flag any of them for further inspection. | |
| </details> | |
| """, | |
| article="by [Matyáš Boháček](https://www.matyasbohacek.com)", | |
| css="""styles.css""", | |
| cache_examples=True, | |
| examples=[ | |
| ["Video", None, "examples/chair.mp4"], | |
| ["Video", None, "examples/computer.mp4"], | |
| ["Video", None, "examples/work.mp4"] | |
| ] | |
| ) | |
| demo.launch(debug=True) | |