ValueError: not enough values to unpack (expected 7, got 6)

PalakHarwani commented 3 years ago

Hi, thank you for your work. I was trying to run the following :

import cv2
from SimpleHRNet import SimpleHRNet

model = SimpleHRNet(48, 17, "./weights/pose_hrnet_w48_384x288.pth")
img_file = <path to image > 
image = cv2.imread(img_file, cv2.IMREAD_COLOR)
joints = model.predict(image)

However, I get the following error:

device: 'cpu'
Traceback (most recent call last):

  File "....\simple-HRNet\scripts\hrnet_to_openpose.py", line 19, in <module>
    joints = model.predict(image)

  File "....\simple-HRNet\SimpleHRNet.py", line 176, in predict
    return self._predict_single(image)

  File "....\simple-HRNet\SimpleHRNet.py", line 207, in _predict_single
    for i, (x1, y1, x2, y2, conf, cls_conf, cls_pred) in enumerate(detections):

ValueError: not enough values to unpack (expected 7, got 6)

My image consists of only one person but I wanted to use multi-person support as the person is not in the exact center in some of the images. Any help would be appreciated. Thank you!

stefanopini commented 3 years ago

Hi!

I tried to reproduce the issue, but your code works on my machine. Could you please provide some additional context? I think the issue may be related to the version of yolo, could you report the version and the weights you're currently using? Have you installed yolov3 using git submodule update --init --recursive?

Using multi-person even with only one person is definitely fine! Indeed, it often yields to better results.

PalakHarwani commented 3 years ago

Hi, I am using yolo version 3. I didn't install it using git submodule update --init --recursive but I cloned the repository from here and changed its name as mentioned in the README file. I downloaded the weights using the bash script but I'm not sure about the version. The names of the files are yolov3.weights , yolov3-tiny.weights and darknet53.conv.74.

stefanopini commented 3 years ago

Ok, that's correct.

Unfortunately, I still can't reproduce the issue. As you can see here, the output of yolo contains 7 values for each detection, but the detections you get contain only 6 values. Have you made any changes to the YOLOv3 class?

Could you please also provide the output of the command pip freeze?

moritos commented 3 years ago

hello, I have the same problem. I haven't made any changes to the YOLOv3 class.

PalakHarwani commented 3 years ago

I didn't make any changes to the YOLOv3 class. Here's the output of pip freeze :

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AmanGoyal99 commented 3 years ago

I am also getting the same issue while running for multiple person pose esimtation. When, I am doing without making any changes in code, I am getting this error:

device: 'cpu' Traceback (most recent call last): File "live-demo.py", line 185, in main(**args.dict) File "live-demo.py", line 55, in main model = SimpleHRNet( File "/home/aman/Documents/College_Major_Project/majorproject-env/simple-HRNet/scripts/SimpleHRNet.py", line 130, in init self.detector = YOLOv3(model_def=yolo_model_def, File "/home/aman/Documents/College_Major_Project/majorproject-env/simple-HRNet/scripts/models/detectors/YOLOv3.py", line 101, in init self.model = Darknet(model_def,img_size = img_size).to(self.device) TypeError: init() got an unexpected keyword argument 'img_size'

When I remove, 'img_size' parameter, I get the same error which you get which is :

ValueError: not enough values to unpack (expected 7, got 6)

@stefanopini

stefanopini commented 3 years ago

Thank you all for the feedback.

I will investigate the issue and let you know as soon as I have an update.

stefanopini commented 3 years ago

I think the issue is caused by having the wrong version of PyTorch-YOLOv3. You should have this specific version otherwise it won't work: 47b7c912877ca69db35b8af3a38d6522681b3bb3

@PalakHarwani @moritos @AmanGoyal99

Could you please try downloading yolov3 manually from the previous link and replacing your current yolo? (i.e. delete the old folder models/detectors/yolo and replace it with the downloaded one)
Have you got this repository using git clone or with the github download button? I'm worried that the git submodule command won't work properly when this repo is downloaded instead of being cloned using git clone.

PalakHarwani commented 3 years ago

Hi @stefanopini , I had cloned the repository, I didn't download it manually. Also, I had cloned the yolov3 repo, I didn't use the git submodule command, so I don't think that is causing the issue here. Also, I downloaded the yolov3 repository again using the download button, and it is working, I did not get the same error again.

stefanopini commented 3 years ago

Hi @PalakHarwani

If you cloned the yolov3 repo instead of using the git submodule command, I think that was the problem. I set up git to download a specific version of yolov3 (the one I used when working on this repo) instead of the last one but it works only using git submodule.

Anyway, I'm glad you have this repo working now! Feel free to open another issue if you encounter any other problem.

stefanopini / simple-HRNet

ValueError: not enough values to unpack (expected 7, got 6) #83