Open qchenclaire opened 5 years ago
The box index should be IntTensor but not int8
Qi (Claire) Chen notifications@github.com 于 2019年3月12日周二 上午6:53写道:
Hi I tried to test ROIAlign on images with rois = roi_align(detections, boxes, box_index) detections' shape is torch.Size([1, 3, 271, 271]) and boxes looks like tensor([[ 151.6779, 18.8237, 270.0000, 84.2876], [ 175.6971, 9.2199, 255.9987, 92.7847], [ 165.4188, 0.0000, 233.8400, 119.7061], [ 134.8676, 25.9375, 270.0000, 79.1737]], device='cuda:0') and box_index looks like tensor([ 0, 0, 0, 0], dtype=torch.int8, device='cuda:0') The output shape is (4, 50, 50, 3), which means 4 cropped images. But I got only the first image that looks correct and the rest 3 are all zeros. [image: 0] https://user-images.githubusercontent.com/24658370/54163296-e86aab80-442e-11e9-9750-1a52b7338a17.jpg [image: 1] https://user-images.githubusercontent.com/24658370/54163297-e86aab80-442e-11e9-9abf-36d74aab23fc.jpg [image: 2] https://user-images.githubusercontent.com/24658370/54163298-e86aab80-442e-11e9-8d01-bf3d05136816.jpg [image: 3] https://user-images.githubusercontent.com/24658370/54163299-e86aab80-442e-11e9-91a2-c23f3c540022.jpg
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The box index should be IntTensor but not int8 Qi (Claire) Chen notifications@github.com 于 2019年3月12日周二 上午6:53写道: … Hi I tried to test ROIAlign on images with rois = roi_align(detections, boxes, box_index) detections' shape is torch.Size([1, 3, 271, 271]) and boxes looks like tensor([[ 151.6779, 18.8237, 270.0000, 84.2876], [ 175.6971, 9.2199, 255.9987, 92.7847], [ 165.4188, 0.0000, 233.8400, 119.7061], [ 134.8676, 25.9375, 270.0000, 79.1737]], device='cuda:0') and box_index looks like tensor([ 0, 0, 0, 0], dtype=torch.int8, device='cuda:0') The output shape is (4, 50, 50, 3), which means 4 cropped images. But I got only the first image that looks correct and the rest 3 are all zeros. [image: 0] https://user-images.githubusercontent.com/24658370/54163296-e86aab80-442e-11e9-9750-1a52b7338a17.jpg [image: 1] https://user-images.githubusercontent.com/24658370/54163297-e86aab80-442e-11e9-9abf-36d74aab23fc.jpg [image: 2] https://user-images.githubusercontent.com/24658370/54163298-e86aab80-442e-11e9-8d01-bf3d05136816.jpg [image: 3] https://user-images.githubusercontent.com/24658370/54163299-e86aab80-442e-11e9-91a2-c23f3c540022.jpg — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#25>, or mute the thread https://github.com/notifications/unsubscribe-auth/AF6UgJr-CGb8Oaqx4q6-12nSPxDwuj9sks5vVt5lgaJpZM4bpuTJ .
After I changed to torch.int, that works! Thanks!
The box index should be IntTensor but not int8 Qi (Claire) Chen notifications@github.com 于 2019年3月12日周二 上午6:53写道: … Hi I tried to test ROIAlign on images with rois = roi_align(detections, boxes, box_index) detections' shape is torch.Size([1, 3, 271, 271]) and boxes looks like tensor([[ 151.6779, 18.8237, 270.0000, 84.2876], [ 175.6971, 9.2199, 255.9987, 92.7847], [ 165.4188, 0.0000, 233.8400, 119.7061], [ 134.8676, 25.9375, 270.0000, 79.1737]], device='cuda:0') and box_index looks like tensor([ 0, 0, 0, 0], dtype=torch.int8, device='cuda:0') The output shape is (4, 50, 50, 3), which means 4 cropped images. But I got only the first image that looks correct and the rest 3 are all zeros. [image: 0] https://user-images.githubusercontent.com/24658370/54163296-e86aab80-442e-11e9-9750-1a52b7338a17.jpg [image: 1] https://user-images.githubusercontent.com/24658370/54163297-e86aab80-442e-11e9-9abf-36d74aab23fc.jpg [image: 2] https://user-images.githubusercontent.com/24658370/54163298-e86aab80-442e-11e9-8d01-bf3d05136816.jpg [image: 3] https://user-images.githubusercontent.com/24658370/54163299-e86aab80-442e-11e9-91a2-c23f3c540022.jpg — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#25>, or mute the thread https://github.com/notifications/unsubscribe-auth/AF6UgJr-CGb8Oaqx4q6-12nSPxDwuj9sks5vVt5lgaJpZM4bpuTJ .
Hi :
hello, i am using roi_align to do some works, but i also meet the problem:
the code is below:
`
import torch
from torchvision.ops import RoIAlign, RoIPool, roi_align
import numpy as np
output_size = (7,7)
spatial_scale = 1/4
sampling_ratio = 2
x = torch.zeros((1,1,117,117), dtype=torch.float)
x[:,:,53:89,88:102]=100.0
rois = torch.tensor([
# [0,0.0,0.0,0.0,0.0],
[0.0, 53.0, 89.0, 88.0, 102.0],
])
count = torch.tensor(0).view(1)
ya = roi_align(x, rois, output_size, sampling_ratio=1)
print(ya)
`
the out put is: tensor([[[[0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.], [0., 0., 0., 0., 0., 0., 0.]]]])
can u help me?
I met the same problem, this happens when more than half of the video memory is used.
Hi I tried to test ROIAlign on images with
rois = roi_align(detections, boxes, box_index)
detections' shape istorch.Size([1, 3, 271, 271])
and boxes looks liketensor([[ 151.6779, 18.8237, 270.0000, 84.2876], [ 175.6971, 9.2199, 255.9987, 92.7847], [ 165.4188, 0.0000, 233.8400, 119.7061], [ 134.8676, 25.9375, 270.0000, 79.1737]], device='cuda:0')
and box_index looks liketensor([ 0, 0, 0, 0], dtype=torch.int8, device='cuda:0')
The output shape is (4, 50, 50, 3), which means 4 cropped images. But I got only the first image that looks correct and the rest 3 are all zeros.