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Updated PerFrame convertor #598

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Merged
VaghinakDev merged 1 commit into from
Apr 7, 2023
Merged

Updated PerFrame convertor #598

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24 changes: 16 additions & 8 deletions src/superannotate/lib/core/video_convertor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -74,8 +74,12 @@ def _interpolate(
"x": round(data["x"] + steps["x"] * idx, 2),
"y": round(data["y"] + steps["y"] * idx, 2),
}
elif annotation_type != AnnotationTypes.EVENT:
tmp_data["points"] = data["points"]
elif (
annotation_type != AnnotationTypes.EVENT
): # AnnotationTypes.POLYGON, AnnotationTypes.POLYLINE
tmp_data["points"] = []
for i in range(len(data["points"])):
tmp_data["points"].append(data["points"][i] + idx * steps[i])

annotations[frame_idx] = Annotation(
instanceId=instance_id,
Expand Down Expand Up @@ -157,12 +161,16 @@ def _interpolate_frames(
"y": (to_frame["y"] - from_frame["y"]) / frames_diff,
}
elif annotation_type in (AnnotationTypes.POLYGON, AnnotationTypes.POLYLINE):
steps = [
(to_point - from_point) / frames_diff
for from_point, to_point in zip(
from_frame["points"], to_frame["points"]
)
]
if len(from_frame["points"]) == len(to_frame["points"]):
steps = [
(to_point - from_point) / frames_diff
for from_point, to_point in zip(
from_frame["points"], to_frame["points"]
)
]
else:
steps = [0] * len(from_frame["points"])

return self._interpolate(
class_name=class_name,
class_id=class_id,
Expand Down
90 changes: 90 additions & 0 deletions tests/data_set/unit/one_frame_video_annotation.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,90 @@
{
"metadata": {
"width": 992,
"height": 568,
"duration": 6.5,
"name": null,
"lastAction": {
"timestamp": 1680778235176,
"email": "karen@superannotate.com"
}
},
"instances": [
{
"id": "MzE4NzcuODYwMzQ2Nzc5NTg=",
"type": "bbox",
"classId": -1,
"createdBy": {
"email": "karen@superannotate.com",
"role": "Admin"
},
"createdAt": "2023-04-06T10:49:58.410Z",
"updatedBy": {
"email": "karen@superannotate.com",
"role": "Admin"
},
"updatedAt": "2023-04-06T10:49:59.799Z",
"locked": false,
"timeline": {
"0": {
"active": true,
"points": {
"x1": 161.52,
"y1": 82,
"x2": 372.8,
"y2": 318.92
}
},
"0.100000": {
"active": false,
"points": {
"x1": 161.52,
"y1": 82,
"x2": 372.8,
"y2": 318.92
}
}
},
"pointLabels": {}
},
{
"id": "NDEyMDguNzUwNzYwMDc4MjU2",
"type": "bbox",
"classId": -1,
"createdBy": {
"email": "karen@superannotate.com",
"role": "Admin"
},
"createdAt": "2023-04-06T10:50:07.741Z",
"updatedBy": {
"email": "karen@superannotate.com",
"role": "Admin"
},
"updatedAt": "2023-04-06T10:50:09.264Z",
"locked": false,
"timeline": {
"0.900001": {
"active": true,
"points": {
"x1": 186.35,
"y1": 164.85,
"x2": 375.17,
"y2": 366.01
}
},
"1.000000": {
"active": false,
"points": {
"x1": 186.35,
"y1": 164.85,
"x2": 375.17,
"y2": 366.01
}
}
},
"pointLabels": {}
}
],
"tags": [],
"name": "ernest mtom 10 fps"
}
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