Gao Cheng gave the pictures provided by Gu Chen to Gan Wenfeng, and asked Gan Wenfeng to run errands in the dispatching room to launch a search based on the time and place where the girl last got off the bus.
Gu Chen, Lu Weiwei and Officer Wang were sitting in a row drinking milk tea.
Gao Cheng bought the milk tea because he wanted the three of them to sit down and let him take care of the rest.
In this way, it will not appear that the police in Jiangnan City are turning against customers.
After all, communication and learning are also an opportunity to understand each other's strengths.
In fact, Gao Cheng had already noticed that Lu Weiwei was a foodie in this exchange and study team.
As long as it's a foodie, it's easy to handle. If it can be done with a few cups of milk tea, don't be stingy.
Serve delicious food and drink, don't cause trouble to yourself, don't give yourself blind orders.
"Senior Brother Gao." He looked at his watch. It was almost noon, but there was still no news. Gu Chen couldn't help but ask one more question: "Can the surveillance be done?"
"It can be done, of course it can be done." Gao Cheng also patted his chest and assured: "Don't worry about the work efficiency of our Jiangbei City police. It's all right. As soon as we find the whereabouts of this girl, we will notify you immediately.
you."
"But." Gu Chen put down the empty milk tea and hesitated.
"What? Do you want me to buy you some more food and drink?" Gao Cheng asked weakly.
Gu Chen waved his hand and said: "Senior Brother Gao, that's not what I meant. What I want to say is, since there is a frontal picture of this woman, why not use facial recognition to search for it?"
"Face recognition? Just this picture?" Gao Cheng thought Gu Chen was joking.
After all, this screenshot of the car surveillance video can only take a frontal photo of the girl from a bird's eye view, which is a bit far-fetched.
Not to mention using high-definition photos of full faces to conduct massive screening, which seems difficult.
At this time, Gan Wenfeng just walked in lazily, picked up the thermos cup on the table, went to the water dispenser to get a glass of water, sat back in his seat and started drinking.
"Wenfeng, how is the situation?" Gao Cheng asked him quickly.
Gan Wenfeng waved his hand and said slowly: "I found some clues, but the surveillance video is incoherent. In some key places, the surveillance video is blocked by some obstacles and cannot be continuously uploaded."
"That means... there is no way to find the whereabouts of that woman?" Gu Chen said.
Gan Wenfeng turned to look at Gu Chen, and then nodded: "It's almost the same situation. Based on the on-board surveillance and the surveillance at the bus station, we found that the woman got off the bus at 7pm, and she happened to be sitting next to Liu Xun.
There was a No. 11 bus, but 15 minutes later, she lost contact in a surveillance blind spot in an alley."
"Of course, we also tried to investigate and search from several surrounding places with surveillance, but to no avail."
Gao Cheng also quickly explained: "I know that in those streets, some of the surveillance cameras have been broken long ago, and some are old equipment, and the pictures are not very clear."
Seeing a few people continuing to stare at him, Gao Cheng smiled and said: "Isn't this because of funding issues? Many old equipment have not been upgraded, and some of them are blind spots. Unexpectedly, this girl disappeared in the blind spot of surveillance.
Already."
"Then the next day, did she appear in the missing video?" Gu Chen also asked quickly: "After all, this is a route she often takes, there is no reason why she wouldn't appear."
"I have checked it." Gan Wenfeng crossed his arms and folded his chest, lying on the seat and said: "We have thoroughly checked that location, including the next day and today, and our eyes are almost swollen.
No trace of the girl was found."
Seeing everyone's disappointed faces, Gan Wenfeng said helplessly: "There is nothing we can do. After all, surveillance is not omnipotent."
"Then let's do facial recognition." Seeing that the surveillance investigation was not feasible, Gu Chen had no choice but to use facial recognition to determine the girl's identity.
It's okay not to say this, but once he said it, Gan Wenfeng, who was originally disappointed, suddenly felt incredible.
Gan Wenfeng and Gao Cheng had the same expression just now.
This kind of picture looking down on the front face will cause a lot of errors for face recognition.
Because of the different angles, it is difficult to position the picture accurately.
Therefore, the errors caused by computers in recognition may be further expanded.
Looking for a needle in a haystack in such a vast sea of people is simply useless. Therefore, Gan Wenfeng felt that Gu Chen was just talking nonsense. This kid didn't understand what facial recognition was at all.
"Senior Brother Gan." Seeing that Gan Wenfeng's expression was still dull, Gu Chen reminded him again.
"I can't do this." Gan Wenfeng crossed his legs with a non-negotiable tone.
Seeing that his partner Gan Wenfeng was a little emotional and was afraid of affecting unity, Gao Cheng also smiled and explained: "I'm sorry, it's not that we don't want to do it this way. It's actually very difficult to do it. Without a more accurate front face, the computer can't analyze each person's face."
The characters selected through precise calculation of angles will definitely be invalid."
"This is equivalent to asking you to count how many hairs the other person has and how many stars there are in the sky. In practice, it is very difficult to achieve the effect, don't you think?"
Officer Wang nodded frequently to express understanding, but Lu Weiwei and Gu Chen showed no reaction at all.
Therefore, Gao Cheng weakly asked the three of them: "Can you three master facial recognition?"
Officer Wang waved his hand: "I can't, I can't handle this thing."
"Haha, think about it. This thing is too high-end. It is said to be a machine, but in fact it has to be analyzed by people themselves. It is very troublesome." Seeing that Comrade Lao Wang couldn't operate it, Lu Weiwei and Gu Chen were even more inoperable.
.
So Gao Cheng asked Lu Weiwei again: "Officer Lu, how about you come?"
"I can't." Lu Weiwei waved her hand and refused directly, just as Gao Cheng expected.
Lu Weiwei could still clearly carry how many kilograms she had.
This chapter is not finished yet, please click on the next page to continue reading the exciting content! Seeing that neither of them can do it, Gao Cheng looked at Gu Chen and said without hope: "Since your two senior brothers and senior sisters can't do it, then you Gu Chen
…”
"I come."
Before Gao Cheng could finish speaking, Gu Chen had already stood up and asked weakly: "Which computer to use?"
Gao Cheng was confused.
Gan Wenfeng was also confused.
The two of them were stunned on the spot, unable to hold back their laughter.
I'm thinking that neither Officer Wang nor Lu Weiwei can do it, but you, a third-level superintendent who has just been in the police for more than a year, can do it?
That's not the case with bragging, right?
"Gu Chen, if it doesn't work, don't force it. By then, tens of thousands of files have been screened out. How long will it take for you to compare them one by one? Doesn't it hurt your eyes?"
Gan Wenfeng said to himself that he had never seen such a pushy policeman.
Old comrades all know how to be humble, but this guy is a showman. It’s time to let the facts slap him in the face and let him know the limitations of facial recognition.
As a result, Gu Chen took out his mobile phone and started using the picture editing software that came with the mobile phone to take a screenshot of the car surveillance video and started editing it with the software.
From the original top-down view, start to raise the image three-dimensionally until it is adjusted to the parallel direction.
Although at this time, the faces in the picture are somewhat distorted, at least the photo is straight-up and meets all the standards for face recognition.
"So this is still possible?" Gan Wenfeng, whose neck was stretched out like a giraffe, couldn't help but secretly wonder when he found that Gu Chen was looking straight at the picture after editing it.
However, after seeing that the photo was a little distorted, I felt a sense of joy in my heart. I thought that using this distorted picture for face recognition would be too exaggerated.
"Senior Brother Gan, are there any sketching paper and pens in the office?" Gu Chen quickly asked Gan Wenfeng after finishing editing the pictures.
Gan Wenfeng was stunned again and asked weakly: "You...what do you want?"
"Junior Brother Gu, I want some paper and pens for sketching." Lu Weiwei was afraid that Gan Wenfeng might not understand, so she quickly repeated Gu Chen's request loudly.
"What do you need that thing for? Now it's face recognition?" Gan Wenfeng suddenly began to hesitate, wondering how Gu Chen wanted to operate it?
"Just asking if you have any?" Lu Weiwei also urged again.
At this time, Gao Cheng reluctantly responded: "There seems to be some in the office. You guys wait for me here. I'll be back as soon as I go."
After finishing speaking, Gao Cheng walked to the bookcase in the corner of the office, fussed around inside for a while, and finally found a roll of sketch paper and a bundle of sketch pencils.
Gu Chen directly took out one, used the knife in the plastic box on the table to sharpen the sketch pencil, and sat directly on Gan Wenfeng's seat.
Gan Wenfeng was stunned and turned around to exchange a few words with Gao Cheng beside him, but Gao Cheng directly booed him and stopped him. Then he turned his attention to Gu Chen.
Gu Chen picked up his phone, took the edited photo, and blinked twice quickly.
"Crack!"
Immediately, the characters in the mobile phone photo were photographed directly by Gu Chen with his eyes.
"Face recognition skill has been activated (beginner)."
At the prompt of a pleasant mechanical female voice, Gu Chen activated the basic skill of face recognition.
"Image acquisition completed!"
The mechanical female voice prompted again.
At this moment, the originally somewhat distorted picture began to become clearer and three-dimensional in Gu Chen's mind.
The reason why he used mobile phone software to edit the angles of characters was actually Gu Chen's trick to make everyone believe that although the photos they saw so far were distorted, they were still full-face photos.
And then, in Gu Chen's mind, the three-dimensional pictures began to become clearer.
Gu Chen has completed the image collection work in an instant...
Afterwards, Gu Chen deliberately placed his cell phone directly in front of him, pretending to use it as a reference, and began to draw.
In fact, Gu Chen's reference objects for painting are completely three-dimensional pictures in his mind.
This kind of reference imprinted in the mind can make Gu Chen's paintings more confident.
After a while, the outline of the character becomes roughly clear.
After a while, the character's face shape and proportions began to become clearer.
A full 6 minutes passed before Gu Chen put down the pen: "Okay, this is basically what it looks like."
Elevation: "..."
Gan Wenfeng: "..."
Is this the fucking end?
Can you draw a sketch in 6 minutes?
Gao Cheng and Gan Wenfeng looked at each other, wondering what kind of treasure policeman this was? A sketch could be completed in 6 minutes?
Moreover, both of them checked it carefully and found that this kind of sketch seemed different than what they usually see.
The three-dimensional feeling presented by various shadow surfaces makes it seem that the opposite side is not a painting, but a person looking at you intuitively.
This is a bit scary.
Gan Wenfeng was stunned and asked weakly: "So...are you going to use this sketch for face recognition?"
"Otherwise?" Gu Chen asked him.
In fact, this sketch can be viewed as a black and white photo.
The characters drawn by Gu Chen are vivid and very lifelike.
Gao Cheng became a little uneasy and said quickly: "Then... let's try it. It won't take much effort anyway. Gu Chen, you can use this computer."
Gao Cheng pointed to a seat next to him.
"Okay." Gu Chen picked up the painting and walked directly to the computer without thinking too much.
After sitting down, Gu Chen first used his mobile phone to take a picture of the sketch, uploaded it to the computer, and then turned on the face recognition system.
Gao Cheng quickly bent down and tapped a few times. The unlocking was completed and Gu Chen could free his hands and feet to operate.
Others, on the other hand, held their breath and gathered around Gu Chen.
Gu Chen used the sketches uploaded to the computer as a basis to start systematic screening.
In an instant, a large number of photos began to flash on the right side of the sketch picture.
In less than ten seconds, a face picture appeared on the right side.
Everyone came forward and looked at the screening chart that popped up from the system.
"Oh my god!" Gao Cheng couldn't help but exclaimed: "This...isn't this too similar?"
"It's more than just a resemblance, it's exactly the same." Gan Wenfeng on the side couldn't help but sigh:
This chapter is not finished yet, please click on the next page to continue reading the exciting content! "This... what kind of magical skill is this? A distorted screenshot of a surveillance video can be drawn so three-dimensional, and it only takes 10 seconds."
Zhong, just screen out the characters with the highest matching degree. How is this done?"
Lu Weiwei and Officer Wang behind them also looked at each other in surprise and couldn't help but high-five in celebration when they found out that the person with the highest ranking was chosen.
Gu Chen ignored everyone's excitement and directly clicked on the profile of the character with the highest matching score.
Suddenly, a clear profile form appeared in front of him.
"Zhang Xiaoya, female, 23 years old."
"Height 165cm, weight 50kg."
"Occupation: Dance teacher at Xiangtian Dance Studio."
…
Gu Chen kept reading Zhang Xiaoya's basic information softly.
Lu Weiwei couldn't hold it any longer, and then scanned the information below, and said: "It turns out that Zhang Xiaoya is from the surrounding counties and cities in Jiangbei. She is currently renting in Unit 4, Building 16, Xinxing Community, Room 505. Everything is available here.
Register.”
"It will be easier if you have an address." Officer Wang also breathed a sigh of relief, feeling that Gu Chen's operation was OK and did not embarrass the Jiangnan City Police Force.
On the other hand, the hosts Gao Cheng and Gan Wenfeng were simply shocked.
If you can draw a three-dimensional sketch in 6 minutes, you can kill most police officers instantly.
Moreover, every stroke Gu Chen made was just right, not too much, not too little, just right.
In particular, the grasp of the shadows of the characters is simply superb.
It’s no wonder that people’s information can be quickly identified from a sketch.
Without certain painting skills and a strong ability to understand characters, this would probably be in vain.
Now even the other party's address has been found.
Gao Cheng felt that all the work he had done before was not as practical as Gu Chen's.
It feels like this is being dominated by anti-customers again?
"Senior Brother Gao." Seeing Gao Cheng looking up at the ceiling with a dumbfounded expression, Gu Chen kindly reminded him.
"Ah?" Gao Cheng came out of his fantasy in an instant and hurriedly asked Gu Chen: "What's wrong?"
"Now that the rental address of Zhang Xiaoya, the subject of the investigation, has been determined, shall we set off immediately?" Gu Chen said.
Gao Cheng rubbed his growling stomach.
He originally wanted to eat in the cafeteria, but based on experience, the search would definitely not go so smoothly.
As a result, it took Gu Chen 6 minutes to complete the sketch and 10 seconds to filter out the character information.
Seeing Gu Chen acting like a workaholic, Gao Cheng wanted to cry, thinking that he couldn't eat his lunch anymore.
"Okay, let's leave now."
What else can Gao Cheng say? He can only follow Gu Chen.
Is this the case again?
…
…
1 p.m.
The five people drove to Xinxing Community and soon found Unit 4, Building 16, Room 505.
At this moment, the five people were standing at the door. Gan Wenfeng turned on the law enforcement recorder, knocked on the door, and asked, "Is anyone at home?"
The house was quiet and motionless.
Then Gao Cheng stepped forward, grabbed the door handle, pushed the door, and said, "It seems to be locked from the inside. The door cannot be opened."
"Is it possible that Zhang Xiaoya has left the house in the past few days?" Lu Weiwei asked curiously.
Everyone looked at each other, unable to confirm.
After all, the circumstances of Zhang Xiaoya’s disappearance were only one-sided statements from Liu Xun, the driver of the No. 11 bus. He felt that Zhang Xiaoya’s sudden disappearance was a bit abnormal.
After all, during the days of daily contact with Zhang Xiaoya, Liu Xun felt that Zhang Xiaoya was a very self-disciplined girl. Even the time she took the bus was on time, and the error would not exceed half an hour.
It is precisely because Zhang Xiaoya has delivered milk to Liu Xun every day for the past three months that Liu Xun pays special attention to Zhang Xiaoya.
Therefore, Liu Xun, who seemed a little anxious, was actually not unreasonable in his worries.
"You can't just kick in the door, right? Who is this landlord? Can you contact him?" Gu Chen quickly asked Gao Cheng.
Gao Cheng is still undecided.
After all, he didn't want to follow Gu Chen and these three people around.
Now Gu Chen has investigated and found out that the woman who delivered milk to Liu Xun, the driver of the No. 11 bus for three consecutive months, can she just stop? Obviously not.
So Gao Cheng made another call to the branch office.
"I'm Gao Cheng. Remember, please help me find out who the landlord is in room 505, building 16, unit 4, in this emerging community. Yes, after you find out, please send me the landlord's phone number. That's right.
Immediately, what? Are you still eating? Stop eating. You will starve to death if you eat less. Hurry up."
After hanging up the phone, Gao Cheng turned his attention to Gu Chen, a treasured police officer from the Criminal Investigation Group Three of the Furong Branch of Jiangnan City.
The way Gao Cheng looked at him now changed. It felt like this guy was staring at the door. Was he thinking about something again?
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