A New Singular Vector Sparse Representation Technique for Crop Image Compression
Bibliographic record
Abstract
Nowadays, the application of crop images for sharing crop information is perpetually increasing. As a result, image datasets need more storage space and channel bandwidth, leading to higher costs. Therefore, reducing image data size is essential. This article, therefore, introduces a compression method based on the discrete wavelet transform (DWT) and the modified singular vector sparse reconstruction (MSVSR) approaches. It gives good reconstruction quality and compression characteristics. In the first stage, input images are decomposed using DWT into frequency subbands. In addition, a modified sparse representation of singular vectors based on the singular value decomposition (SVD) approach is applied in detailed subbands to improve the compression efficiency. At the reconstruction stage, piecewise linear interpolation (PLI) and inverse DWT are used to retrieve a good-quality image. The performance of the proposed method has been evaluated based on various fidelity parameters, including bit-per-pixel (BPP), peak signal-to-noise ratio (PSNR), mean square error, and structural-similarity index. Moreover, the experimental results illustrate that the proposed DWT-MSVSR technique with Daubechies 4 wavelet has achieved significantly higher compression (67.27%), and structural similarity index measure (SSIM) (36.27%), as compared with SVSR with similar image quality, as well as other SVD-based existing methods. From the evaluated results, it is observed that this method has proven to be efficient in compressing different types of crop images with acceptable reconstruction quality.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".