Welcome to 4th Face Anti-spoofing Challenge@CVPR2024 Forum

Go back to competition Back to thread list Post in this thread

> Whether there is an annotation error in the training label?

When browsing the dataset, a small number of image labels are found to be abnormal.
For example:
train/G10_S29_C4_E02_T20220304114916210/id_28/890_97.jpg 1
train/G06_S25_C1_E05_T20220228163246541/id_0/140_0.jpg 0

Please confirm.

Posted by: SeaRecluse @ Feb. 8, 2023, 2:25 a.m.

same found

Posted by: burning233 @ Feb. 9, 2023, 6:19 a.m.

same problem,how to deal with it?

Posted by: CTEL_AI @ Feb. 10, 2023, 10:30 a.m.

Many labels are incorrect. Do test sets also have error labels? What should I do?

Posted by: wida @ Feb. 10, 2023, 11:25 a.m.

Where is the license agreement for the application data usage?

I can't find it on the homepage (https://codalab.lisn.upsaclay.fr/competitions/10080#participate). Can someone tell me?

Thanks!

Posted by: eempty @ Feb. 11, 2023, 11:58 a.m.

Where is the license agreement for the application data usage?

I can't find it on the homepage (https://codalab.lisn.upsaclay.fr/competitions/10080#participate). Can someone tell me?

Thanks!

Posted by: eempty @ Feb. 11, 2023, 11:58 a.m.

The labels of the dataset are manually marked. There are some wrong labels, but the number is very small.

Posted by: AjianLiu @ Feb. 14, 2023, 1:33 a.m.

HIRE THE TOP CRYPTO & BITCOIN RECOVERY EXPERTS — TREK Tech Corp

Are you unable to access your USDT or Bitcoin? Have you lost funds due to scams or theft? Need reliable assistance to recover your stolen or lost crypto assets? Look no further reach out to TREK Tech Corp, the trusted leader in cryptocurrency recovery.

Contact Us:

Email: trektechcorp1@gmail.com
Email: trektechcorp@consultant.com
Website: https://trektechcorp.net

My Personal Experience:

I was thrilled to discover TREK Tech Corp through a friend after falling victim to a cryptocurrency scam. Thanks to their expertise, I was able to recover a significant portion of my lost funds. If you’re feeling overwhelmed or frustrated by your crypto loss, don’t give up—contact TREK Tech Corp today and let their professionals work their magic to reclaim what’s rightfully yours.

With extensive experience in online security and data recovery, TREK Tech Corp is the most reliable and dependable crypto recovery service available online. Their proven track record of successful recoveries and dedicated approach make them the top choice for anyone in need of crypto asset recovery.

I am truly grateful for their outstanding support and highly recommend their services to anyone facing similar challenges.

Posted by: kathleenrobert381 @ Sept. 15, 2025, 12:43 p.m.

How To Recovery Lost or Stolen Cryptocurrency Visit TREK Tech Corp

The rise of digital currencies has reshaped global finance, offering new opportunities alongside new risks. Lost access, unauthorized transfers, and deceptive platforms continue to affect thousands of individuals and organizations, leaving many uncertain about where to turn.

TREK Tech Corp has become the trusted leader in digital asset recovery, known for its lawful, transparent, and results driven approach. With thousands of successful cases worldwide, TREK Tech Corp provides clients with more than recovery it offers justice, integrity, and peace of mind. Lawful Precision, Real Results

Unlike unverified operators that exploit victims with false promises, TREK Tech Corp is defined by legitimacy. The firm’s “no upfront fee” policy ensures clients only pay after a successful outcome, protecting them from secondary losses. Each case is evaluated carefully, with realistic expectations and tailored strategies.

TREK Tech Corp combines advanced blockchain forensics with proprietary tools like Cross-Chain Mapping Blockchain (CCMB) to trace assets across multiple blockchains, mixers, and offshore exchanges. This technology, paired with human expertise, makes it possible to solve complex cases often considered irretrievable. Backed by Law and Global Collaboration

What sets TREK Tech Corp apart is its active partnership with global authorities. By working with organizations such as the FBI, Interpol, and national cybersecurity agencies, TREK Tech Corp ensures that recoveries are lawful, enforceable, and credible. Comprehensive Services

TREK Tech Corp provides solutions for a wide range of challenges, including:
Digital asset recovery across major blockchains
Wallet access restoration (Ledger, Trezor, MetaMask, Trust Wallet)
Investment and platform-related losses
NFT restoration and exchange account support
Contact TREK Tech Corp

If you’ve experienced digital asset loss, time is critical. TREK Tech Corp is ready to help you act quickly and effectively.

Email: trektechcorp1@gmail.com
Email: trektechcorp@consultant.com

Website: (https://trektechcorp.net)

With TREK Tech Corp, recovery is built on lawful precision, proven results, and unwavering integrity.

Posted by: loysarovic @ Jan. 7, 2026, 12:53 p.m.

Digital Tech Guard Recovery: How Stolen Ethereum Can Be Traced and Recovered

The rise of cryptocurrency has created unprecedented financial freedom—but it has also opened the door to sophisticated cybercrime. Ethereum (ETH), one of the most widely used digital assets in the world, is a frequent target for hackers, phishing scams, fake investment platforms, and wallet exploits. When Ethereum is stolen, many victims assume it is gone forever.

This is where Digital Tech Guard Recovery positions itself as a specialized cryptocurrency recovery service, helping victims trace stolen Ethereum and pursue recovery using blockchain forensics, cyber-investigation techniques, and legal coordination.

The Growing Problem of Ethereum Theft

Ethereum theft occurs in many ways, including:
• Phishing emails and fake wallet interfaces
• Compromised private keys or seed phrases
• Malicious smart contracts and DeFi rug pulls
• Romance scams and fake investment platforms
• SIM-swap attacks and account takeovers

Because Ethereum transactions are irreversible, speed and technical expertise are critical. While transactions cannot be “reversed,” they can be traced, analyzed, and linked to identifiable endpoints such as centralized exchanges.

What Is Digital Tech Guard Recovery?

Digital Tech Guard Recovery is a digital asset recovery service focused on cryptocurrency theft investigations. Their approach combines blockchain analysis, cybersecurity expertise, and evidence documentation to help victims understand where their stolen Ethereum went and what recovery options may be available.

Rather than promising guaranteed results—a common red flag in this industry—Digital Tech Guard Recovery emphasizes traceability, transparency, and realistic outcomes.

How Digital Tech Guard Recovery Helped Trace and Recover Stolen Ethereum

According to client-reported cases, Digital Tech Guard Recovery follows a structured, multi-phase process when handling stolen Ethereum incidents.

1. Initial Case Assessment

The recovery process begins with a detailed review of the incident, including:
• Transaction hashes (TXIDs)
• Wallet addresses involved
• Timeline of the theft
• Type of scam or exploit used

This step helps determine whether the stolen Ethereum is traceable and whether recovery efforts are viable.

2. Blockchain Forensic Analysis

Using advanced blockchain analytics tools, Digital Tech Guard Recovery traces the movement of stolen ETH across the Ethereum network. Because Ethereum’s blockchain is public, every transaction leaves a permanent record.

Their analysts monitor:
• Wallet-to-wallet transfers
• Token swaps and bridging activity
• Movement to centralized or decentralized exchanges

This forensic tracking is often key to identifying exit points where recovery becomes possible.

3. Identifying Exchange and Custodial Endpoints

In many successful recovery scenarios, stolen Ethereum eventually reaches:
• Centralized exchanges (CEXs)
• Custodial wallets
• Payment processors

When this occurs, Digital Tech Guard Recovery compiles evidence that may be used to support account freezes, compliance requests, or legal reporting.

4. Evidence Documentation and Reporting

A critical part of the process is professional documentation. Digital Tech Guard Recovery prepares:
• Transaction flow reports
• Wallet attribution analysis
• Incident summaries suitable for law enforcement or exchanges

This documentation can significantly improve the chances of cooperation from exchanges and authorities.

5. Recovery Outcomes and Limitations

While not all stolen Ethereum can be recovered, cases involving identifiable exchanges or early intervention have shown positive outcomes. Digital Tech Guard Recovery stresses that results depend on timing, transaction behavior, and third-party cooperation.

This honest approach helps clients set realistic expectations while still pursuing every available option.

Why Victims Choose Digital Tech Guard Recovery

Victims often seek out Digital Tech Guard Recovery for several key reasons:
• Specialized focus on crypto and blockchain forensics
• Clear communication without false guarantees
• Experience handling Ethereum-based theft cases
• Emphasis on evidence-based recovery strategies

In an industry crowded with bad actors, credibility and technical transparency are essential.

What to Do If Your Ethereum Is Stolen

If you’ve lost Ethereum to a scam or hack, take action immediately:
1. Preserve all transaction data and communications
2. Do not engage with “guaranteed recovery” offers
3. Avoid sending additional funds to anyone claiming they can unlock wallets
4. Consult a professional crypto recovery service experienced in Ethereum tracing

Time is one of the most important factors in cryptocurrency recovery.

Final Thoughts

Ethereum theft is devastating, but it doesn’t always mean the end of the road. Services like Digital Tech Guard Recovery demonstrate how blockchain transparency, when paired with technical expertise, can create real recovery opportunities.

If you act quickly, document thoroughly, and work with professionals who understand the Ethereum ecosystem, recovery may be possible—even in situations that initially seem hopeless.

CONTACT INFORMATION.

WhatsApp: +14438592886

Telegram: +12092838915

Email: digitaltechguardrecovery@cyberdude.com

Posted by: samuelowen7760 @ Jan. 9, 2026, 10:41 p.m.

Digital Tech Guard Recovery: Experts in Recovering Stolen Ethereum

The growth of cryptocurrency has transformed digital finance, but it has also created new risks for investors. Ethereum users are increasingly targeted by hackers, phishing scams, fake exchanges, and wallet breaches. When funds disappear, many people assume recovery is impossible. Digital Tech Guard Recovery is changing that perception by helping victims trace and recover stolen Ethereum through advanced blockchain investigations.

Digital Tech Guard Recovery is a specialized cryptocurrency recovery service that focuses on Ethereum and other digital assets. Their team uses blockchain forensics to track stolen ETH across the network, even when scammers attempt to hide transactions by moving funds through multiple wallets. Every transaction on the Ethereum blockchain is recorded permanently, and Digital Tech Guard Recovery uses this transparency to follow the money trail.

In cases of wallet hacking, phishing attacks, or fraudulent investment platforms, Digital Tech Guard Recovery analyzes smart contracts, transaction hashes, and wallet histories to identify where the stolen Ethereum was sent. Once suspicious activity is confirmed, they prepare evidence and work with exchanges, compliance teams, and legal channels to increase the chances of recovery.

What makes Digital Tech Guard Recovery stand out is their ethical and transparent approach. Instead of making unrealistic promises, they provide clear assessments and explain the recovery process step by step. This professionalism has earned them trust among victims seeking legitimate crypto recovery solutions.

As crypto scams continue to rise, choosing a reputable recovery firm is critical. For anyone who has lost Ethereum to fraud or hacking, Digital Tech Guard Recovery offers a reliable and professional path toward financial recovery.

WhatsApp: +,1,4,4,3,8,5,9,2,8,8,6

Email: d,i,g,i,t,a,l,t,e,c,h,g,u,a,r,d,r,e,c,o,v,e,r,y,@,c,y,b,e,r,d,u,d,e,.,c,o,m

Posted by: isablegrace33 @ Feb. 9, 2026, 1:13 a.m.

GENUINE HACKER FOR HIRE CONSULT JAYWEB RECOVERY EXPERT

If you have lost your bitcoins and are feeling hopeless, I highly recommend Jayweb Bitcoin Recovery. I was in a tough situation after I had lost my bitcoin and thought my money was gone forever. I'm delighted that I decided to test Jayweb. They helped me get my bitcoins back. They kept me informed at every turn, and the procedure was straightforward. It is strongly advised that you get in touch with them if you are experiencing a similar issue.

CONTACT: JAYWEB RECOVERY EXPERT
WhatsApp: +1 (305) 452-9075
Email: jay.webb.hack@mail.com

Posted by: Vannesad @ Feb. 13, 2026, 3:10 p.m.

GENUINE HACKER FOR HIRE CONSULT JAYWEB RECOVERY EXPERT

If you have lost your bitcoins and are feeling hopeless, I highly recommend Jayweb Bitcoin Recovery. I was in a tough situation after I had lost my bitcoin and thought my money was gone forever. I'm delighted that I decided to test Jayweb. They helped me get my bitcoins back. They kept me informed at every turn, and the procedure was straightforward. It is strongly advised that you get in touch with them if you are experiencing a similar issue.

CONTACT: JAYWEB RECOVERY EXPERT
WhatsApp: +1 (305) 452-9075
Email: jay.webb.hack@mail.com

Posted by: Vannesad @ Feb. 13, 2026, 3:11 p.m.

GENUINE HACKER FOR HIRE CONSULT JAYWEB RECOVERY EXPERT

If you have lost your bitcoins and are feeling hopeless, I highly recommend Jayweb Bitcoin Recovery. I was in a tough situation after I had lost my bitcoin and thought my money was gone forever. I'm delighted that I decided to test Jayweb. They helped me get my bitcoins back. They kept me informed at every turn, and the procedure was straightforward. It is strongly advised that you get in touch with them if you are experiencing a similar issue.

CONTACT: JAYWEB RECOVERY EXPERT
WhatsApp: +1 (305) 452-9075
Email: jay.webb.hack @ mail.com

Posted by: Vannesad @ Feb. 13, 2026, 3:12 p.m.
Post in this thread