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Fix torch hub load error for cotracker v2 and v2.1 #128

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Fix torch hub load error for cotracker v2 and v2.1 #128

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12 changes: 6 additions & 6 deletions cotracker/models/build_cotracker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,13 +24,13 @@ def build_cotracker(


def build_cotracker(checkpoint=None, offline=True, window_len=16, v2=False):
if offline:
cotracker = CoTrackerThreeOffline(
stride=4, corr_radius=3, window_len=window_len
)
if v2:
cotracker = CoTracker2(stride=4, window_len=window_len)
else:
if v2:
cotracker = CoTracker2(stride=4, window_len=window_len)
if offline:
cotracker = CoTrackerThreeOffline(
stride=4, corr_radius=3, window_len=window_len
)
else:
cotracker = CoTrackerThreeOnline(
stride=4, corr_radius=3, window_len=window_len
Expand Down
40 changes: 29 additions & 11 deletions cotracker/predictor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ def __init__(
):
super().__init__()
self.support_grid_size = 6
self.v2 = v2
model = build_cotracker(
checkpoint,
v2=v2,
Expand Down Expand Up @@ -153,9 +154,14 @@ def _compute_sparse_tracks(
grid_pts = grid_pts.repeat(B, 1, 1)
queries = torch.cat([queries, grid_pts], dim=1)

tracks, visibilities, __, __ = self.model.forward(
video=video, queries=queries, iters=6
)
if self.v2:
tracks, visibilities, __ = self.model.forward(
video=video, queries=queries, iters=6
)
else:
tracks, visibilities, __, __ = self.model.forward(
video=video, queries=queries, iters=6
)

if backward_tracking:
tracks, visibilities = self._compute_backward_tracks(
Expand Down Expand Up @@ -193,9 +199,14 @@ def _compute_backward_tracks(self, video, queries, tracks, visibilities):
inv_queries = queries.clone()
inv_queries[:, :, 0] = inv_video.shape[1] - inv_queries[:, :, 0] - 1

inv_tracks, inv_visibilities, _, _ = self.model(
video=inv_video, queries=inv_queries, iters=6
)
if self.v2:
inv_tracks, inv_visibilities, _ = self.model(
video=inv_video, queries=inv_queries, iters=6
)
else:
inv_tracks, inv_visibilities, _, _ = self.model(
video=inv_video, queries=inv_queries, iters=6
)

inv_tracks = inv_tracks.flip(1)
inv_visibilities = inv_visibilities.flip(1)
Expand Down Expand Up @@ -279,15 +290,22 @@ def forward(
B, T, 3, self.interp_shape[0], self.interp_shape[1]
)

tracks, visibilities, confidence, __ = self.model(
video=video_chunk, queries=self.queries, iters=6, is_online=True
)
if self.v2:
tracks, visibilities, __ = self.model(
video=video_chunk, queries=self.queries, iters=6, is_online=True
)
else:
tracks, visibilities, confidence, __ = self.model(
video=video_chunk, queries=self.queries, iters=6, is_online=True
)
if add_support_grid:
tracks = tracks[:,:,:self.N]
visibilities = visibilities[:,:,:self.N]
confidence = confidence[:,:,:self.N]
if not self.v2:
confidence = confidence[:,:,:self.N]

visibilities = visibilities * confidence
if not self.v2:
visibilities = visibilities * confidence
thr = 0.6
return (
tracks
Expand Down