# PS-Dataset

**Repository Path**: GardenLu/PS-Dataset

## Basic Information

- **Project Name**: PS-Dataset
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-03-24
- **Last Updated**: 2021-03-24

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# PS-Dataset
# A Large Dataset for improving Patch Matching

### [Using Pre-Trained Model](https://github.com/rmitra/PS-Dataset/blob/master/PreTrainedModel.md)

### [Using Our Dataset](https://github.com/rmitra/PS-Dataset/blob/master/DownloadDataset.md)
### [Added Full Resolution RGB Images]

### Link to paper -
https://arxiv.org/abs/1801.01466

### Contributors - 
Rahul Mitra, Nehal Doiphode, Utkarsh Gautam, Sanath Narayan, Shuaib Ahmed, Sharat Chandran, Arjun Jain


Sample image pairs from dataset
### Image pair showing illumination variation
![alt text](https://github.com/rmitra/PS-Dataset/blob/master/PS-illum.jpg)
 <br /> 
### Image pair showing scale variation
![alt text](https://github.com/rmitra/PS-Dataset/blob/master/PS-scale.jpg)
 <br /> 
### Image pair showing viewpoint variation
![alt text](https://github.com/rmitra/PS-Dataset/blob/master/PS-view.jpg)
 <br /> 


### Results -
### Performance comparison for patch retrieval task on HPatches dataset.

| Method\Noise  | Easy  |  Hard | Tough  | Mean  |
| ----- | ----- | ---- | ----- | ----- |
|SIFT| 64.6 |37.4 | 22.7 | 41.7|
|DeepDesc| 67.2 | 52.2 |37.8 |  52.4 |
|Tfeat| 68.4 | 50.8 |34.7  |51.3|
|Hardnet+| 79.7 | 68.7 | 52.6| 66.7|
|Hardnet-PS|82.5 | 78.0 |69.1 |76.5|


### Performance comparison for image matching task on Fountain-P11 scene

| Method\Baseline  | Narrow  |  Wide | Very-wide  | Mean  |
| ----- | ----- | ---- | ----- | ----- |
|DeepDesc| 76.3  | 40.8 |9.2  | 40.0|
|Tfeat| 86.6  |62.8 | 21.9 | 57.1|
|Hardnet+| 92.4  | 83.2 | 35.0 | 70.2|
|Hardnet-PS|92.8|85.3|47.0 |75.0|

### Performance comparison for image matching task on Herzjesu-P8 scene

| Method\Baseline  | Narrow  |  Wide  | Mean  |
| ----- | ----- | ---- | ----- | 
|DeepDesc|64.4 | 13.1 | 35.1|
|Tfeat| 76.6 |  27.4 | 48.5|
|Hardnet+| 85.1 | 44.5 | 61.9|
|Hardnet-PS| 85.1| 50.6 | 65.4|


### Scene statistics-
### Statistics and parameters for each scene in the training set

|Scene Id | No. images | No. points | No. Patches | MIN_V_TH | MAX_V_TH | No. Pairs |
| ----- | ----- | ---- | ----- | ----- | ----- | ----- |
|11 | 155 | 5724 | 31174 | 10° | 50°  | 59098 |
|13 | 436 | 143150 | 788401 | 5° | 45°  | 1447833 |
|14 | 315 | 115183 | 728302 | 10° | 50° | 1257142 |
|15 | 239 | 69725 | 395021 | 10° | 50°  | 733752 |
|16 | 214 | 14634 | 94585 | 10° | 50°  | 161737 |
|20 | 381 | 41524 | 329980 | 10° | 50°  | 702957 |
|24 | 274 | 121992 | 788657 | 10° | 50°  | 1713912 |
|30 | 345 | 150087 | 760203 | 10° | 50°  | 603327 |
|34 | 142 | 7353 | 32198 | 10° | 50°  | 52460 |
|36 | 278 | 68656 | 395547 | 2° |45°  | 361799 |
|41 | 268 | 29308 | 181515 | 10° | 50° | 372813 |
|49 | 219 | 69301 | 346042 | 10° | 70° | 325492 |
|50 | 302 | 61846 | 235538 | 10° | 50° | 294323 |
|51 | 251 | 97293 | 620192 | 10° | 50°  | 692386 |
|53 | 269 | 80025 | 532245 | 10° | 50°  | 1399146 |
|65 | 153 | 86016 | 227226 | 4°| 72°  | 202294 |
|66 | 232 | 142459 | 426105 | 10° | 72°  | 411762 |
|67 | 98 |37412 | 279194 | 3° | 50°  | 1372920|
|71 | 309 | 65116 | 457196 | 10° | 50°  | 1111475 |
|74 | 207 | 51107 | 320927 | 10° | 50°  | 662981|
|76 | 254 | 93127 | 535378 | 10° | 50°  | 1172380|
|89 | 214 | 63498 | 641700 | 15° | 50°  | 1503677 |
|90 | 388 | 92334 | 731818 | 15° | 50°  | 811130 |
|91 | 182 | 78961 | 750676 | 12° | 50°  | 1664135|
|95 | 201 | 21677 | 106001 | 10° | 72°  | 110641|


### Statistics and parameters for each scene in the validation set

|Scene Id | No. images | No. points | No. Patches | MIN_V_TH | MAX_V_TH  | No. Pairs |
| ----- | ----- | ---- | ----- | ----- | ----- | ---- |
|4 | 264 | 107549 | 602331 | 10° | 50°  | 965990 |
|23 | 249 | 66492 | 328555 | 10° | 50° |576180 |
|31 | 262 | 25451 | 164984 | 10° | 50°  | 147734|
|44 | 87 | 57944 | 157953 | 3° | 72°  | 98134 |
|88 | 99 | 4850 |54781 | 5° |50°  | 235524 |