Related Experiment Video
Updated: Jul 25, 2026

10:35
A Protocol for Conducting Rainfall Simulation to Study Soil Runoff
Published on: April 3, 2014
SemiDDM-weather: A semi-supervised learning framework for all-in-one adverse weather removal
Fang Long1, Wenkang Su1, Zixuan Li2
1School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou, 510006, Guangdong, China.
Summary
This study introduces SemiDDM-Weather, a novel semi-supervised framework for removing adverse weather effects. It efficiently clears various weather conditions using limited labeled data, achieving superior visual quality.
Area of Science:
- Computer Vision
- Artificial Intelligence
- Image Processing
Background:
- Adverse weather conditions significantly degrade visual quality in images and videos.
- Current weather removal techniques often require extensive labeled data and are specific to certain weather types.
- Developing a versatile and data-efficient solution for all-in-one adverse weather removal is crucial.
Purpose of the Study:
- To present a pioneering semi-supervised framework for all-in-one adverse weather removal.
- To overcome the limitations of data dependency and weather-type specificity in existing methods.
- To enhance the efficiency and effectiveness of adverse weather removal using limited labeled data.
Main Methods:
- A teacher-student network architecture is employed with a Denoising Diffusion Model (DDM) as the backbone (SemiDDM-Weather).
- The Wavelet Diffusion Model (Wavelet-Diffusion) is adapted with customized inputs and loss functions for efficient many-to-one mapping.
- Quality assessment and content consistency constraints are introduced to refine pseudo-labels for robust semi-supervised learning.
Main Results:
- SemiDDM-Weather demonstrates high visual quality and superior performance in adverse weather removal across synthetic and real-world datasets.
- The framework effectively handles diverse weather conditions, outperforming fully supervised methods.
- The semi-supervised approach significantly reduces the need for extensive labeled data.
Conclusions:
- SemiDDM-Weather offers an effective and efficient solution for all-in-one adverse weather removal.
- The proposed quality assessment and content consistency mechanisms improve semi-supervised learning robustness.
- This framework advances the field by enabling high-quality image restoration under adverse conditions with reduced data requirements.
More Related Videos
Related Concept Videos
Precipitation Gravimetry
13.6K
Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
13.6K
Precipitation Processes
4.7K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
4.7K
Precipitation and Co-precipitation
4.0K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
4.0K
Extraction: Advanced Methods
1.1K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.1K
Multi-input and Multi-variable systems
383
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
In the absence of...
383
Survival Tree
379
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
379

